zoukankan html css js c++ java

ExtJS Form扩展组件[ColorFiled, DateTimeFiled, IconCombo, MultiComboBox, DynamicTreeCombox]

支持Form颜色选择组件、日期时间选择组件、带图标的下拉列表、多选下来列表、动态下拉列表树等组件

开发环境：

System：Windows

WebBrowser：IE6+、Firefox3+

JavaEE Server：tomcat5.0.2.8、tomcat6

IDE：eclipse、MyEclipse 8

开发依赖库：

JavaEE5、ext 2.2.2

Email：hoojo_@126.com

Blog：http://blog.csdn.net/IBM_hoojo

http://hoojo.cnblogs.com/

一、ColoFieldr组件

可以选择一些常用的颜色

需要用到的文件

ColorField组件文件：Ext.form.ColorField.js

ColorField运行示例文件：Ext.hoo.for.ColorField.js

代码如下

Color.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

    <head>

        <title>form Component -- DateTimeField</title>

        <meta http-equiv="pragma" content="no-cache"/>

        <meta http-equiv="cache-control" content="no-cache"/>

        <meta http-equiv="expires" content="0"/>

        <meta http-equiv="content-Type" content="text/html; charset=utf-8"/>

        <meta http-equiv="author" content="hoojo"/>

        <meta http-equiv="email" content="hoojo_@126.com"/>

        <meta http-equiv="ext-lib" content="version 2.2"/>

        <meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>

        <link rel="stylesheet" type="text/css" href="../ext2/resources/css/ext-all.css"/>

        <script type="text/javascript" src="../ext2/adapter/ext/ext-base.js"></script>

        <script type="text/javascript" src="../ext2/ext-all.js"></script>

        <script type="text/javascript" src="../ext2/build/locale/ext-lang-zh_CN-min.js"></script>

        <script type="text/javascript" src="Ext.form.ColorField.js"></script>

        <script type="text/javascript" src="Ext.hoo.for.ColorField.js"></script>

  </head>

  <body>

      <div id="show" style="float: left; margin: 100px 0 0 100px;"></div>

  </body>

</html>

Ext.form.ColorField.js

/**

 * @class Ext.form.ColorField

 * @extends Ext.form.TriggerField

 * Provides a very simple color form field with a ColorMenu dropdown.

 * Values are stored as a six-character hex value without the '#'.

 * I.e. 'ffffff'

 * @constructor

 * Create a new ColorField

 * <br />Example:

 * <pre><code>

var cf = new Ext.form.ColorField({

    fieldLabel: 'Color',

    hiddenName:'pref_sales',

    showHexValue:true

});

</code></pre>

 * @param {Object} config

*/

Ext.form.ColorField = function(config){

    Ext.form.ColorField.superclass.constructor.call(this, config);

    //this.on('render', this.handleRender);

};

Ext.extend(Ext.form.ColorField, Ext.form.TriggerField,  {

/**

     * @cfg {Boolean} showHexValue

     * True to display the HTML Hexidecimal Color Value in the field

     * so it is manually editable.

*/

    showHexValue : false,

/**

     * @cfg {String} triggerClass

     * An additional CSS class used to style the trigger button.  The trigger will always get the

     * class 'x-form-trigger' and triggerClass will be <b>appended</b> if specified (defaults to 'x-form-color-trigger'

     * which displays a calendar icon).

*/

    triggerClass : 'x-form-color-trigger',

/**

     * @cfg {String/Object} autoCreate

     * A DomHelper element spec, or true for a default element spec (defaults to

     * {tag: "input", type: "text", size: "10", autocomplete: "off"})

*/

    // private

    defaultAutoCreate : {tag: "input", type: "text", size: "10",

                         autocomplete: "off", maxlength:"6"},

/**

     * @cfg {String} lengthText

     * A string to be displayed when the length of the input field is

     * not 3 or 6, i.e. 'fff' or 'ffccff'.

*/

    lengthText: "Color hex values must be either 3 or 6 characters.",

    //text to use if blank and allowBlank is false

    blankText: "Must have a hexidecimal value in the format ABCDEF.",

/**

     * @cfg {String} color

     * A string hex value to be used as the default color.  Defaults

     * to 'FFFFFF' (white).

*/

    defaultColor: 'FFFFFF',

    maskRe: /[a-f0-9]/i,

    // These regexes limit input and validation to hex values

    regex: /[a-f0-9]/i,

    //private

    curColor: 'ffffff',

    initComponent:function(){

        Ext.form.ColorField.superclass.initComponent.call(this);

        this.addEvents('click','change', 'select');

},

    onChange: function (field, newVal, oldVal) {

        alert(newVal);

},

    onRender : function(ct, position){

        Ext.form.ColorField.superclass.onRender.call(this, ct, position);

        this.handleRender();

},

    // private

    validateValue : function(value){

        if(!this.showHexValue) {

            return true;

        if(value.length<1) {

            this.el.setStyle({

                'background-color':'#' + this.defaultColor

});

            if(!this.allowBlank) {

                this.markInvalid(String.format(this.blankText, value));

                return false

            return true;

        if(value.length!=3 && value.length!=6 ) {

            this.markInvalid(String.format(this.lengthText, value));

            return false;

        this.setColor(value);

        return true;

},

    // private

    validateBlur : function(){

        return !this.menu || !this.menu.isVisible();

},

    // Manually apply the invalid line image since the background

    // was previously cleared so the color would show through.

    markInvalid : function( msg ) {

        Ext.form.ColorField.superclass.markInvalid.call(this, msg);

        this.el.setStyle({

            'background-image': 'url(../lib/resources/images/default/grid/invalid_line.gif)'

});

},

/**

     * Returns the current color value of the color field

     * @return {String} value The hexidecimal color value

*/

    getValue : function(){

        return this.curValue || this.defaultValue || "FFFFFF";

},

/**

     * Sets the value of the color field.  Format as hex value 'FFFFFF'

     * without the '#'.

     * @param {String} hex The color value

*/

    setValue : function(hex){

        Ext.form.ColorField.superclass.setValue.call(this, hex);

        this.setColor(hex);

},

/**

     * Sets the current color and changes the background.

     * Does *not* change the value of the field.

     * @param {String} hex The color value.

*/

    setColor : function(hex) {

        this.curColor = hex;

        this.el.setStyle( {

            'background-color': '#' + hex,

            'background-image': 'none'

});

        if(!this.showHexValue) {

            this.el.setStyle({

                'text-indent': '-100px'

});

            if(Ext.isIE) {

                this.el.setStyle({

                    'margin-left': '100px'

});

},

    handleRender: function() {

        this.setDefaultColor();

},

    setDefaultColor : function() {

        this.setValue(this.defaultColor);

},

    // private

    menuListeners : {

        select: function(m, d){

            this.setValue(d);

},

        show : function(){ // retain focus styling

            this.onFocus();

},

        hide : function(){

            this.focus();

            var ml = this.menuListeners;

            this.menu.un("select", ml.select,  this);

            this.menu.un("show", ml.show,  this);

            this.menu.un("hide", ml.hide,  this);

},

    //private

    handleSelect : function(palette, selColor) {

        this.setValue(selColor);

        this.fireEvent("click", this, selColor);

        this.fireEvent("change", this, selColor);

        this.fireEvent("select", this, selColor);

},

    // private

    // Implements the default empty TriggerField.onTriggerClick function to display the ColorPicker

    onTriggerClick : function(){

        if(this.disabled){

            return;

        if(this.menu == null){

            this.menu = new Ext.menu.ColorMenu();

            this.menu.palette.on('select', this.handleSelect, this );

        this.menu.on(Ext.apply({}, this.menuListeners, {

            scope:this

        }));

        this.menu.show(this.el, "tl-bl?");

});

Ext.hoo.for.ColorField.js

/**

 * @function 颜色选择器

 * @auhor: hoojo

 * @createDate: Sep 11, 2010 10:35:15 PM

 * @blog: blog.csdn.net/IBM_hoojo

 * @email: hoojo_@126.com

 * @class Ext.hoo.form.ColorField

 * @extends Ext.form.ColorField

*/

Ext.ns("Ext.hoo.form");

Ext.hoo.form.ColorField = Ext.extend(Ext.form.ColorField, {

    constructor: function () {

        Ext.hoo.form.ColorField.superclass.constructor.call(this, {

            //fieldLabel: "plase selected",

            renderTo: "show",

             160,

            defaultColor: "00FF00",

            curColor: "00FF00",

            showHexValue: true,

            listeners: {

                "select": function (f, v) {

                    alert(this.getValue() + "##" + v);

});

});

Ext.onReady(function () {

    Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";

    Ext.QuickTips.init();

    Ext.form.Field.prototype.msgTarget = "qtip";

    new Ext.hoo.form.ColorField();

});

二、日期时间选择控件

可以选择日期、时间

需要用到的文件

Spinner.js

Spinner.css

SpinnerField.js

日期时间组件：Ext.ux.form.DateTimeField.js

示例：Ext.hoo.form.DateTimeField.js

代码如下

dateTimeFieldExample.htm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

    <head>

        <title>form Component -- MultiComboBox</title>

        <meta http-equiv="pragma" content="no-cache"/>

        <meta http-equiv="cache-control" content="no-cache"/>

        <meta http-equiv="expires" content="0"/>

        <meta http-equiv="content-Type" content="text/html; charset=utf-8"/>

        <meta http-equiv="author" content="hoojo"/>

        <meta http-equiv="email" content="hoojo_@126.com"/>

        <meta http-equiv="ext-lib" content="version 3.2"/>

        <meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>

        <link rel="stylesheet" type="text/css" href="../ext/resources/css/ext-all.css"/>

        <link rel="stylesheet" type="text/css" href="../css/Spinner.css"/>

        <script type="text/javascript" src="../ext/adapter/ext/ext-base.js"></script>

        <script type="text/javascript" src="../ext/ext-all.js"></script>

        <script type="text/javascript" src="../ext/build/locale/ext-lang-zh_CN-min.js"></script>

        <script type="text/javascript" src="Spinner.js"></script>

        <script type="text/javascript" src="SpinnerField.js"></script>

        <script type="text/javascript" src="Ext.ux.form.DateTimeField.js"></script>

        <script type="text/javascript" src="Ext.hoo.form.DateTimeField.js"></script>

  </head>

  <body>

      <div id="show" style="float: left; margin: 100px 0 0 100px;"></div>

  </body>

</html>

Spinner.css

/*!

 * Ext JS Library 3.1.1

 * Copyright(c) 2006-2010 Ext JS, LLC

 * licensing@extjs.com

 * http://www.extjs.com/license

*/

.x-form-spinner-proxy{

    /*background-color:#ff00cc;*/

.x-form-field-wrap .x-form-spinner-trigger {

    background:transparent url('../images/spinner.gif') no-repeat 0 0;

.x-form-field-wrap .x-form-spinner-overup{

    background-position:-17px 0;

.x-form-field-wrap .x-form-spinner-clickup{

    background-position:-34px 0;

.x-form-field-wrap .x-form-spinner-overdown{

    background-position:-51px 0;

.x-form-field-wrap .x-form-spinner-clickdown{

    background-position:-68px 0;

.x-trigger-wrap-focus .x-form-spinner-trigger{

    background-position:-85px 0;

.x-trigger-wrap-focus .x-form-spinner-overup{

    background-position:-102px 0;

.x-trigger-wrap-focus .x-form-spinner-clickup{

    background-position:-119px 0;

.x-trigger-wrap-focus .x-form-spinner-overdown{

    background-position:-136px 0;

.x-trigger-wrap-focus .x-form-spinner-clickdown{

    background-position:-153px 0;

.x-trigger-wrap-focus .x-form-trigger{

    border-bottom: 1px solid #7eadd9;

.x-form-field-wrap .x-form-spinner-splitter {

    line-height:1px;

    font-size:1px;

    background:transparent url('../images/spinner-split.gif') no-repeat 0 0;

    position:absolute;

    cursor: n-resize;

.x-trigger-wrap-focus .x-form-spinner-splitter{

    background-position:-14px 0;

.x-date-bottom {

    font-size: 12px;

.x-date-menu {

    height: 200px;

图片

spinner.gif

spinner-split.gif

Spinner.js

/*!

 * Ext JS Library 3.1.1

 * Copyright(c) 2006-2010 Ext JS, LLC

 * licensing@extjs.com

 * http://www.extjs.com/license

*/

/**

 * @class Ext.ux.Spinner

 * @extends Ext.util.Observable

 * Creates a Spinner control utilized by Ext.ux.form.SpinnerField

*/

Ext.ux.Spinner = Ext.extend(Ext.util.Observable, {

    incrementValue: 1,

    alternateIncrementValue: 5,

    triggerClass: 'x-form-spinner-trigger',

    splitterClass: 'x-form-spinner-splitter',

    alternateKey: Ext.EventObject.shiftKey,

    defaultValue: 0,

    accelerate: false,

    constructor: function(config){

        Ext.ux.Spinner.superclass.constructor.call(this, config);

        Ext.apply(this, config);

        this.mimicing = false;

},

    init: function(field){

        this.field = field;

        field.afterMethod('onRender', this.doRender, this);

        field.afterMethod('onEnable', this.doEnable, this);

        field.afterMethod('onDisable', this.doDisable, this);

        field.afterMethod('afterRender', this.doAfterRender, this);

        field.afterMethod('onResize', this.doResize, this);

        field.afterMethod('onFocus', this.doFocus, this);

        field.beforeMethod('onDestroy', this.doDestroy, this);

},

    doRender: function(ct, position){

        var el = this.el = this.field.getEl();

        var f = this.field;

        if (!f.wrap) {

            f.wrap = this.wrap = el.wrap({

                cls: "x-form-field-wrap"

});

        else {

            this.wrap = f.wrap.addClass('x-form-field-wrap');

        this.trigger = this.wrap.createChild({

            tag: "img",

            src: Ext.BLANK_IMAGE_URL,

            cls: "x-form-trigger " + this.triggerClass

});

        if (!f.width) {

            this.wrap.setWidth(el.getWidth() + this.trigger.getWidth());

        this.splitter = this.wrap.createChild({

            tag: 'div',

            cls: this.splitterClass,

            style: '13px; height:2px;'

});

        this.splitter.setRight((Ext.isIE) ? 1 : 2).setTop(10).show();

        this.proxy = this.trigger.createProxy('', this.splitter, true);

        this.proxy.addClass("x-form-spinner-proxy");

        this.proxy.setStyle('left', '0px');

        this.proxy.setSize(14, 1);

        this.proxy.hide();

        this.dd = new Ext.dd.DDProxy(this.splitter.dom.id, "SpinnerDrag", {

            dragElId: this.proxy.id

});

        this.initTrigger();

        this.initSpinner();

},

    doAfterRender: function(){

        var y;

        if (Ext.isIE && this.el.getY() != (y = this.trigger.getY())) {

            this.el.position();

            this.el.setY(y);

},

    doEnable: function(){

        if (this.wrap) {

            this.wrap.removeClass(this.field.disabledClass);

},

    doDisable: function(){

        if (this.wrap) {

            this.wrap.addClass(this.field.disabledClass);

            this.el.removeClass(this.field.disabledClass);

},

    doResize: function(w, h){

        if (typeof w == 'number') {

            this.el.setWidth(w - this.trigger.getWidth());

        this.wrap.setWidth(this.el.getWidth() + this.trigger.getWidth());

},

    doFocus: function(){

        if (!this.mimicing) {

            this.wrap.addClass('x-trigger-wrap-focus');

            this.mimicing = true;

            Ext.get(Ext.isIE ? document.body : document).on("mousedown", this.mimicBlur, this, {

                delay: 10

});

            this.el.on('keydown', this.checkTab, this);

},

    // private

    checkTab: function(e){

        if (e.getKey() == e.TAB) {

            this.triggerBlur();

},

    // private

    mimicBlur: function(e){

        if (!this.wrap.contains(e.target) && this.field.validateBlur(e)) {

            this.triggerBlur();

},

    // private

    triggerBlur: function(){

        this.mimicing = false;

        Ext.get(Ext.isIE ? document.body : document).un("mousedown", this.mimicBlur, this);

        this.el.un("keydown", this.checkTab, this);

        this.field.beforeBlur();

        this.wrap.removeClass('x-trigger-wrap-focus');

        this.field.onBlur.call(this.field);

},

    initTrigger: function(){

        this.trigger.addClassOnOver('x-form-trigger-over');

        this.trigger.addClassOnClick('x-form-trigger-click');

},

    initSpinner: function(){

        this.field.addEvents({

            'spin': true,

            'spinup': true,

            'spindown': true

});

        this.keyNav = new Ext.KeyNav(this.el, {

            "up": function(e){

                e.preventDefault();

                this.onSpinUp();

},

            "down": function(e){

                e.preventDefault();

                this.onSpinDown();

},

            "pageUp": function(e){

                e.preventDefault();

                this.onSpinUpAlternate();

},

            "pageDown": function(e){

                e.preventDefault();

                this.onSpinDownAlternate();

},

            scope: this

});

        this.repeater = new Ext.util.ClickRepeater(this.trigger, {

            accelerate: this.accelerate

});

        this.field.mon(this.repeater, "click", this.onTriggerClick, this, {

            preventDefault: true

});

        this.field.mon(this.trigger, {

            mouseover: this.onMouseOver,

            mouseout: this.onMouseOut,

            mousemove: this.onMouseMove,

            mousedown: this.onMouseDown,

            mouseup: this.onMouseUp,

            scope: this,

            preventDefault: true

});

        this.field.mon(this.wrap, "mousewheel", this.handleMouseWheel, this);

        this.dd.setXConstraint(0, 0, 10)

        this.dd.setYConstraint(1500, 1500, 10);

        this.dd.endDrag = this.endDrag.createDelegate(this);

        this.dd.startDrag = this.startDrag.createDelegate(this);

        this.dd.onDrag = this.onDrag.createDelegate(this);

},

    onMouseOver: function(){

        if (this.disabled) {

            return;

        var middle = this.getMiddle();

        this.tmpHoverClass = (Ext.EventObject.getPageY() < middle) ? 'x-form-spinner-overup' : 'x-form-spinner-overdown';

        this.trigger.addClass(this.tmpHoverClass);

},

    //private

    onMouseOut: function(){

        this.trigger.removeClass(this.tmpHoverClass);

},

    //private

    onMouseMove: function(){

        if (this.disabled) {

            return;

        var middle = this.getMiddle();

        if (((Ext.EventObject.getPageY() > middle) && this.tmpHoverClass == "x-form-spinner-overup") ||

        ((Ext.EventObject.getPageY() < middle) && this.tmpHoverClass == "x-form-spinner-overdown")) {

},

    //private

    onMouseDown: function(){

        if (this.disabled) {

            return;

        var middle = this.getMiddle();

        this.tmpClickClass = (Ext.EventObject.getPageY() < middle) ? 'x-form-spinner-clickup' : 'x-form-spinner-clickdown';

        this.trigger.addClass(this.tmpClickClass);

},

    //private

    onMouseUp: function(){

        this.trigger.removeClass(this.tmpClickClass);

},

    //private

    onTriggerClick: function(){

        if (this.disabled || this.el.dom.readOnly) {

            return;

        var middle = this.getMiddle();

        var ud = (Ext.EventObject.getPageY() < middle) ? 'Up' : 'Down';

        this['onSpin' + ud]();

},

    //private

    getMiddle: function(){

        var t = this.trigger.getTop();

        var h = this.trigger.getHeight();

        var middle = t + (h / 2);

        return middle;

},

    //private

    //checks if control is allowed to spin

    isSpinnable: function(){

        if (this.disabled || this.el.dom.readOnly) {

            Ext.EventObject.preventDefault(); //prevent scrolling when disabled/readonly

            return false;

        return true;

},

    handleMouseWheel: function(e){

        //disable scrolling when not focused

        if (this.wrap.hasClass('x-trigger-wrap-focus') == false) {

            return;

        var delta = e.getWheelDelta();

        if (delta > 0) {

            this.onSpinUp();

            e.stopEvent();

        else

            if (delta < 0) {

                this.onSpinDown();

                e.stopEvent();

},

    //private

    startDrag: function(){

        this.proxy.show();

        this._previousY = Ext.fly(this.dd.getDragEl()).getTop();

},

    //private

    endDrag: function(){

        this.proxy.hide();

},

    //private

    onDrag: function(){

        if (this.disabled) {

            return;

        var y = Ext.fly(this.dd.getDragEl()).getTop();

        var ud = '';

        if (this._previousY > y) {

            ud = 'Up';

        } //up

        if (this._previousY < y) {

            ud = 'Down';

        } //down

        if (ud != '') {

            this['onSpin' + ud]();

        this._previousY = y;

},

    //private

    onSpinUp: function(){

        if (this.isSpinnable() == false) {

            return;

        if (Ext.EventObject.shiftKey == true) {

            this.onSpinUpAlternate();

            return;

        else {

            this.spin(false, false);

        this.field.fireEvent("spin", this);

        this.field.fireEvent("spinup", this);

},

    //private

    onSpinDown: function(){

        if (this.isSpinnable() == false) {

            return;

        if (Ext.EventObject.shiftKey == true) {

            this.onSpinDownAlternate();

            return;

        else {

            this.spin(true, false);

        this.field.fireEvent("spin", this);

        this.field.fireEvent("spindown", this);

},

    //private

    onSpinUpAlternate: function(){

        if (this.isSpinnable() == false) {

            return;

        this.spin(false, true);

        this.field.fireEvent("spin", this);

        this.field.fireEvent("spinup", this);

},

    //private

    onSpinDownAlternate: function(){

        if (this.isSpinnable() == false) {

            return;

        this.spin(true, true);

        this.field.fireEvent("spin", this);

        this.field.fireEvent("spindown", this);

},

    spin: function(down, alternate){

        var v = parseFloat(this.field.getValue());

        var incr = (alternate == true) ? this.alternateIncrementValue : this.incrementValue;

        (down == true) ? v -= incr : v += incr;

        v = (isNaN(v)) ? this.defaultValue : v;

        v = this.fixBoundries(v);

        this.field.setRawValue(v);

},

    fixBoundries: function(value){

        var v = value;

        if (this.field.minValue != undefined && v < this.field.minValue) {

            v = this.field.minValue;

        if (this.field.maxValue != undefined && v > this.field.maxValue) {

            v = this.field.maxValue;

        return this.fixPrecision(v);

},

    // private

    fixPrecision: function(value){

        var nan = isNaN(value);

        if (!this.field.allowDecimals || this.field.decimalPrecision == -1 || nan || !value) {

            return nan ? '' : value;

        return parseFloat(parseFloat(value).toFixed(this.field.decimalPrecision));

},

    doDestroy: function(){

        if (this.trigger) {

            this.trigger.remove();

        if (this.wrap) {

            this.wrap.remove();

            delete this.field.wrap;

        if (this.splitter) {

            this.splitter.remove();

        if (this.dd) {

            this.dd.unreg();

            this.dd = null;

        if (this.proxy) {

            this.proxy.remove();

        if (this.repeater) {

            this.repeater.purgeListeners();

});

//backwards compat

Ext.form.Spinner = Ext.ux.Spinner;

SpinnerField.js

/*!

 * Ext JS Library 3.1.1

 * Copyright(c) 2006-2010 Ext JS, LLC

 * licensing@extjs.com

 * http://www.extjs.com/license

*/

Ext.ns('Ext.ux.form');

/**

 * @class Ext.ux.form.SpinnerField

 * @extends Ext.form.NumberField

 * Creates a field utilizing Ext.ux.Spinner

 * @xtype spinnerfield

*/

Ext.ux.form.SpinnerField = Ext.extend(Ext.form.NumberField, {

    actionMode: 'wrap',

    deferHeight: true,

    autoSize: Ext.emptyFn,

    onBlur: Ext.emptyFn,

    adjustSize: Ext.BoxComponent.prototype.adjustSize,

    constructor: function(config) {

        var spinnerConfig = Ext.copyTo({}, config, 'incrementValue,alternateIncrementValue,accelerate,defaultValue,triggerClass,splitterClass');

        var spl = this.spinner = new Ext.ux.Spinner(spinnerConfig);

        var plugins = config.plugins

            ? (Ext.isArray(config.plugins)

                ? config.plugins.push(spl)

                : [config.plugins, spl])

            : spl;

        Ext.ux.form.SpinnerField.superclass.constructor.call(this, Ext.apply(config, {plugins: plugins}));

},

    // private

    getResizeEl: function(){

        return this.wrap;

},

    // private

    getPositionEl: function(){

        return this.wrap;

},

    // private

    alignErrorIcon: function(){

        if (this.wrap) {

            this.errorIcon.alignTo(this.wrap, 'tl-tr', [2, 0]);

},

    validateBlur: function(){

        return true;

});

Ext.reg('spinnerfield', Ext.ux.form.SpinnerField);

//backwards compat

Ext.form.SpinnerField = Ext.ux.form.SpinnerField;

Ext.ux.form.DateTimeField.js

Ext.ns('Ext.ux.form');

Ext.ux.form.TimePickerField = function(config){

    Ext.ux.form.TimePickerField.superclass.constructor.call(this, config);

Ext.extend(Ext.ux.form.TimePickerField, Ext.form.Field, {

    defaultAutoCreate: {

        tag: 'div'

},

    cls: 'x-form-timepickerfield',

    hoursSpinner: null,

    minutesSpinner: null,

    secondsSpinner: null,

    spinnerCfg: {

},

    spinnerFixBoundries: function(value){

        if (value < this.field.minValue) {

            value = this.field.maxValue;

        if (value > this.field.maxValue) {

            value = this.field.minValue;

        return this.fixPrecision(value);

},

    onRender: function(ct, position){

        Ext.ux.form.TimePickerField.superclass.onRender.call(this, ct, position);

        this.rendered = false;

        this.date = new Date();

        var values = {};

        if (this.value) {

            values = this._valueSplit(this.value);

            this.date.setHours(values.h);

            this.date.setMinutes(values.m);

            this.date.setSeconds(values.s);

            delete this.value;

        else {

            values = {

                h: this.date.getHours(),

                m: this.date.getMinutes(),

                s: this.date.getSeconds()

};

        var spinnerWrap = Ext.DomHelper.append(this.el, {

            tag: 'div'

});

        var cfg = Ext.apply({}, this.spinnerCfg, {

            renderTo: spinnerWrap,

            readOnly: this.readOnly,

            disabled: this.disabled,

            listeners: {

                spin: {

                    fn: this.onSpinnerChange,

                    scope: this

},

                valid: {

                    fn: this.onSpinnerChange,

                    scope: this

},

                afterrender: {

                    fn: function(spinner){

                        spinner.wrap.applyStyles('float: left');

},

                    single: true

});

        this.hoursSpinner = new Ext.ux.form.SpinnerField(Ext.apply({}, cfg, {

            minValue: 0,

            maxValue: 23,

            cls: 'first',

            value: values.h

        }));

        this.minutesSpinner = new Ext.ux.form.SpinnerField(Ext.apply({}, cfg, {

            minValue: 0,

            maxValue: 59,

            value: values.m

        }));

        this.secondsSpinner = new Ext.ux.form.SpinnerField(Ext.apply({}, cfg, {

            minValue: 0,

            maxValue: 59,

            value: values.s

        }));

        Ext.DomHelper.append(spinnerWrap, {

            tag: 'div',

            cls: 'x-form-clear-left'

});

        this.rendered = true;

},

    _valueSplit: function(v){

        var split = v.split(':');

        return {

            h: split.length > 0 ? split[0] : 0,

            m: split.length > 1 ? split[1] : 0,

            s: split.length > 2 ? split[2] : 0

};

},

    onSpinnerChange: function(){

        if (!this.rendered) {

            return;

        this.fireEvent('change', this, this.getRawValue());

},

    disable: function(){

        Ext.ux.form.TimePickerField.superclass.disable.call(this);

        this.hoursSpinner.disable();

        this.minutesSpinner.disable();

        this.secondsSpinner.disable();

},

    enable: function(){

        Ext.ux.form.TimePickerField.superclass.enable.call(this);

        this.hoursSpinner.enable();

        this.minutesSpinner.enable();

        this.secondsSpinner.enable();

},

    setReadOnly: function(r){

        Ext.ux.form.TimePickerField.superclass.setReadOnly.call(this, r);

        this.hoursSpinner.setReadOnly(r);

        this.minutesSpinner.setReadOnly(r);

        this.secondsSpinner.setReadOnly(r);

},

    clearInvalid: function(){

        Ext.ux.form.TimePickerField.superclass.clearInvalid.call(this);

        this.hoursSpinner.clearInvalid();

        this.minutesSpinner.clearInvalid();

        this.secondsSpinner.clearInvalid();

},

    getRawValue: function(){

        if (!this.hoursSpinner) {

            this.date = new Date();

            return {

                h: this.date.getHours(),

                m: this.date.getMinutes(),

                s: this.date.getSeconds()

};

        else {

            return {

                h: this.hoursSpinner.getValue(),

                m: this.minutesSpinner.getValue(),

                s: this.secondsSpinner.getValue()

};

},

    setRawValue: function(v){

        this.hoursSpinner.setValue(v.h);

        this.minutesSpinner.setValue(v.m);

        this.secondsSpinner.setValue(v.s);

},

    isValid: function(preventMark){

        return this.hoursSpinner.isValid(preventMark) &&

        this.minutesSpinner.isValid(preventMark) &&

        this.secondsSpinner.isValid(preventMark);

},

    validate: function(){

        return this.hoursSpinner.validate() &&

        this.minutesSpinner.validate() &&

        this.secondsSpinner.validate();

},

    getValue: function(){

        var v = this.getRawValue();

        return String.leftPad(v.h, 2, '0') + ':' +

        String.leftPad(v.m, 2, '0') +

        ':' +

        String.leftPad(v.s, 2, '0');

},

    setValue: function(value){

        if (!this.rendered) {

            this.value = value;

            return;

        value = this._valueSplit(value);

        this.setRawValue(value);

        this.validate();

});

Ext.form.TimePickerField = Ext.ux.form.TimePickerField;

Ext.reg('timepickerfield', Ext.form.TimePickerField);

Ext.ns('Ext.ux.form');

Ext.DateTimePicker = Ext.extend(Ext.DatePicker, {

    timeFormat: 'g:i:s A',

    timeLabel: '时间',

    timeWidth: 100,

    initComponent: function(){

        Ext.DateTimePicker.superclass.initComponent.call(this);

        this.id = Ext.id();

},

    onRender: function(container, position){

        Ext.DateTimePicker.superclass.onRender.apply(this, arguments);

        var table = Ext.get(Ext.DomQuery.selectNode('table tbody', container.dom));

        var tfEl = Ext.DomHelper.insertBefore(table.last(), {

            tag: 'tr',

            children: [{

                tag: 'td',

                cls: 'x-date-bottom',

                html: this.timeLabel,

                style: '30;'

            }, {

                tag: 'td',

                cls: 'x-date-bottom ux-timefield',

                style: "height: 20px;",

                colspan: '2'

}]

        }, true);

        this.tf.render(table.child('td.ux-timefield'));

        var p = this.getEl().parent('div.x-layer');

        if (p) {

            p.setStyle("height", p.getHeight() + 31);

},

    setValue: function(value){

        var old = this.value;

        if (!this.tf) {

            this.tf = new Ext.ux.form.TimePickerField();

            this.tf.ownerCt = this;

        this.value = this.getDateTime(value);

},

    getDateTime: function(value){

        if (this.tf) {

            var dt = new Date();

            var timeval = this.tf.getValue();

            value = Date.parseDate(value.format(this.dateFormat) + ' ' + this.tf.getValue(), this.format);

        return value;

},

    selectToday: function(){

        if (this.todayBtn && !this.todayBtn.disabled) {

            this.value = this.getDateTime(new Date());

            this.fireEvent("select", this, this.value);

});

Ext.reg('datetimepickerfield', Ext.DateTimePicker);

if (parseInt(Ext.version.substr(0, 1), 10) > 2) {

    Ext.menu.DateTimeItem = Ext.DateTimePicker;

    Ext.override(Ext.menu.DateMenu, {

        initComponent: function(){

            this.on('beforeshow', this.onBeforeShow, this);

            if (this.strict = (Ext.isIE7 && Ext.isStrict)) {

                this.on('show', this.onShow, this, {

                    single: true,

                    delay: 20

});

            Ext.apply(this, {

                plain: true,

                showSeparator: false,

                items: this.picker = new Ext.DatePicker(Ext.apply({

                    internalRender: this.strict || !Ext.isIE,

                    ctCls: 'x-menu-date-item'

                }, this.initialConfig))

});

            Ext.menu.DateMenu.superclass.initComponent.call(this);

            this.relayEvents(this.picker, ["select"]);

            this.on('select', this.menuHide, this);

            if (this.handler) {

                this.on('select', this.handler, this.scope || this);

});

else {

    Ext.menu.DateTimeItem = function(config){

        Ext.menu.DateTimeItem.superclass.constructor.call(this, new Ext.DateTimePicker(config), config);

        this.picker = this.component;

        alert(this.picker);

        this.addEvents('select');

        this.picker.on("render", function(picker){

            picker.getEl().swallowEvent("click");

            picker.container.addClass("x-menu-date-item");

});

        this.picker.on("select", this.onSelect, this);

};

    Ext.extend(Ext.menu.DateTimeItem, Ext.menu.DateMenu, {

        onSelect: function(picker, date){

            this.fireEvent("select", this, date, picker);

            Ext.menu.DateTimeItem.superclass.handleClick.call(this);

});

Ext.menu.DateTimeMenu = function(config){

    Ext.menu.DateTimeMenu.superclass.constructor.call(this, config);

    this.plain = true;

    var di = new Ext.menu.DateTimeItem(config);

    this.add(di);

    this.picker = di;

    this.relayEvents(di, ["select"]);

    this.on('beforeshow', function(){

        if (this.picker) {

            this.picker.hideMonthPicker(true);

    }, this);

};

Ext.extend(Ext.menu.DateTimeMenu, Ext.menu.Menu, {

    cls: 'x-date-menu',

    beforeDestroy: function(){

        this.picker.destroy();

},

    hide: function(deep){

        if (this.picker.tf.innerList) {

            if ((Ext.EventObject.within(this.picker.tf.innerList)) || (Ext.get(Ext.EventObject.getTarget()) == this.picker.tf.innerList))

                return false;

        if (this.el && this.isVisible()) {

            this.fireEvent("beforehide", this);

            if (this.activeItem) {

                this.activeItem.deactivate();

                this.activeItem = null;

            this.el.hide();

            this.hidden = true;

            this.fireEvent("hide", this);

        if (deep === true && this.parentMenu) {

            this.parentMenu.hide(true);

});

Ext.ux.form.DateTimeField = Ext.extend(Ext.form.DateField, {

    dateFormat: 'Y-m-d',

    timeFormat: 'H:i:s',

    defaultAutoCreate: {

        tag: "input",

        type: "text",

        size: "20",

        autocomplete: "off"

},

    initComponent: function(){

        Ext.ux.form.DateTimeField.superclass.initComponent.call(this);

        this.format = this.dateFormat + ' ' + this.timeFormat;

        this.afterMethod('afterRender', function(){

            this.getEl().applyStyles('top:0');

});

},

    getValue: function(){

        return this.parseDate(Ext.form.DateField.superclass.getValue.call(this)) || '';

},

    onTriggerClick: function(){

        if (this.disabled) {

            return;

        if (this.menu == null) {

            this.menu = new Ext.menu.DateTimeMenu();

        Ext.apply(this.menu.picker, {

            minDate: this.minValue,

            maxDate: this.maxValue,

            disabledDatesRE: this.ddMatch,

            disabledDatesText: this.disabledDatesText,

            disabledDays: this.disabledDays,

            disabledDaysText: this.disabledDaysText,

            format: this.format,

            timeFormat: this.timeFormat,

            dateFormat: this.dateFormat,

            showToday: this.showToday,

            minText: String.format(this.minText, this.formatDate(this.minValue)),

            maxText: String.format(this.maxText, this.formatDate(this.maxValue))

});

        if (this.menuEvents) {

            this.menuEvents('on');

        else {

            this.menu.on(Ext.apply({}, this.menuListeners, {

                scope: this

            }));

        this.menu.picker.setValue(this.getValue() || new Date());

        this.menu.show(this.el, "tl-bl?");

});

Ext.reg('datetimefield', Ext.ux.form.DateTimeField);

Ext.hoo.form.DateTimeField.js

/**

 * @function 可以选择日期的DateTimeField

 * @auhor: hoojo

 * @createDate: Sep 16, 2010 9:25:12 PM

 * @blog: blog.csdn.net/IBM_hoojo

 * @email: hoojo_@126.com

 * @class Ext.hoo.form.DateTimeField

 * @extends Ext.ux.form.DateTimeField

*/

Ext.ns("Ext.hoo.form");

Ext.hoo.form.DateTimeField = Ext.extend(Ext.ux.form.DateTimeField, {

    constructor: function () {

        Ext.hoo.form.DateTimeField.superclass.constructor.call(this, {

            renderTo: "show",

            height: 222,

            dateFormat: 'Y-m-d',

            timeFormat: 'H:i:s',

            listeners: {

                select: function () {

                    alert(this.getValue() + "##" + this.getRawValue());

});

});

Ext.onReady(function () {

    Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";

    Ext.QuickTips.init();

    Ext.form.Field.prototype.msgTarget = "qtip";

    new Ext.hoo.form.DateTimeField();

});

三、带图标的下列列表

效果图如下

需要的文件

combo_icon.gif

iconCombobox 插件文件： Ext.ux.IconCombo.js

示例文件： Ext.hoo.form.WebBroserIconComboBox.js

代码如下

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

    <head>

        <title>form Component -- iconCombo</title>

        <meta http-equiv="pragma" content="no-cache"/>

        <meta http-equiv="cache-control" content="no-cache"/>

        <meta http-equiv="expires" content="0"/>

        <meta http-equiv="content-Type" content="text/html; charset=utf-8"/>

        <meta http-equiv="author" content="hoojo"/>

        <meta http-equiv="email" content="hoojo_@126.com"/>

        <meta http-equiv="ext-lib" content="version 2.2"/>

        <meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>

        <link rel="stylesheet" type="text/css" href="../ext2/resources/css/ext-all.css"/>

        <link rel="stylesheet" type="text/css" href="../css/iconCombo.css"/>

        <style type="text/css">

            .ffCls {

                background: url(../images/combo_icon.gif) no-repeat 1px -15px;

            .ieCls {

                background: url(../images/combo_icon.gif) no-repeat 1px 2px;

            .operaCls {

                background: url(../images/combo_icon.gif) no-repeat 1px -68px;

            .chromeCls {

                background: url(../images/combo_icon.gif) no-repeat 1px -85px;

            .maxCls {

                background: url(../images/combo_icon.gif) no-repeat 1px -32px;

            .ttCls {

                background: url(../images/combo_icon.gif) no-repeat 1px -50px;

            .sfCls {

                background: url(../images/combo_icon.gif) no-repeat 1px -103px;

            .twCls {

                background: url(../images/combo_icon.gif) no-repeat 1px -121px;

            .flockCls {

                background: url(../images/combo_icon.gif) no-repeat 1px -139px;

        </style>

        <script type="text/javascript" src="../ext2/adapter/ext/ext-base.js"></script>

        <script type="text/javascript" src="../ext2/ext-all.js"></script>

        <script type="text/javascript" src="../ext2/build/locale/ext-lang-zh_CN-min.js"></script>

        <script type="text/javascript" src="Ext.ux.IconCombo.js"></script>

        <script type="text/javascript" src="Ext.hoo.form.WebBroserIconComboBox.js"></script>

  </head>

  <body>

      <div id="show" style="padding: 100px 0 0 300px;"></div>

  </body>

</html>

Ext.ux.IconCombo.js 文件代码

/**

 * @class Ext.ux.IconCombo

 * @extends Ext.form.ComboBox

 * @param {Object} config Configuration options

*/

Ext.ux.IconCombo = function(config) {

    // call parent constructor

    Ext.ux.IconCombo.superclass.constructor.call(this, config);

    this.tpl = config.tpl || '<tpl for="."><div class="x-combo-list-item">'

            + '<table><tbody><tr>' + '<td>' + '<div class="{'

            + this.iconClsField + '}"></div></td>' + '<td>{'

            + this.displayField + '}</td>' + '</tr></tbody></table>'

            + '</div></tpl>';

};

Ext.extend(Ext.ux.IconCombo, Ext.form.ComboBox, {

    defaultIconCls: "ux-icon-combo-icon",

    emptyText: "plase selected",

    setIconCls : function() {

        var record = this.store.query(this.valueField, this.getValue()).itemAt(0);

        if (record) {

            this.flag.className = record.get(this.iconClsField) || defaultIconCls || "ux-icon-combo-icon";

            //this.flag.style.backgroundImage = rec.get(this.iconClsField);

},

    setValue : function(value) {

        Ext.ux.IconCombo.superclass.setValue.call(this, value);

        this.setIconCls();

},

    onRender: function(ct, position) {

            Ext.ux.IconCombo.superclass.onRender.call(this, ct, position);

            var wrap = this.el.up("div.x-form-field-wrap");

            this.wrap.applyStyles({

                position : "relative"

});

            this.el.addClass("ux-icon-combo-input");

            //textfield中显示的图片div

            this.flag = Ext.DomHelper.append(wrap, {

                tag : "div",

                style : "position:absolute; left: 5px; top: 1px;"

});

            //默认图片样式

            this.flag.className = this.defaultIconCls;

});

Ext.hoo.form.WebBroserIconComboBox.js

/**

 * @function 带图片的combobox

 * @auhor: hoojo

 * @createDate: Sep 10, 2010 11:16:12 PM

 * @blog: blog.csdn.net/IBM_hoojo

 * @email: hoojo_@126.com

 * @class Ext.hoo.form.WebBroserIconComboBox

 * @extends Ext.ux.IconCombo

*/

Ext.ns("Ext.hoo.form");

Ext.hoo.form.WebBroserIconComboBox = Ext.extend(Ext.ux.IconCombo, {

    constructor: function () {

        Ext.hoo.form.WebBroserIconComboBox.superclass.constructor.call(this, {

            /*fieldLabel: "web broser type",

            labelWidth: 73,*/

            renderTo: /*Ext.getBody(),*/"show",

             200,

            store: new Ext.data.SimpleStore({

                fields: ["shortName", "name", "iconCls"],

                data: [

                    ["ff", "Mozilla Firefox" , "ffCls"],

                    ["IE", "Internet Explorer" , "IECls"],

                    ["opera", "Opera" , "operaCls"],

                    ["chrome", "Google Chrome" , "chromeCls"],

                    ["max", "Maxthon" , "maxCls"],

                    ["tt", "TecentTraveler" , "ttCls"],

                    ["sf", "Safari" , "sfCls"],

                    ["tw", "TheWorld" , "twCls"],

                    ["flock", "Flock" , "flockCls"]

}),

            valueField: "shortName",

            displayField: "name",

            iconClsField: "iconCls",

            triggerAction: "all",

            editable: false,

            mode: "local"

});

        this.on("select", function (field, e) {

            alert(field.getValue() + "###" + field.getRawValue());

        }, this);

});

Ext.onReady(function () {

    Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";

    Ext.QuickTips.init();

    Ext.form.Field.prototype.msgTarget = "qtip";

    new Ext.hoo.form.WebBroserIconComboBox();

});

四、多选下列列表组件

可以同时选择多个选项

核心文件

多选下拉列表组件：Ext.form.MultiComboBox.js

示例文件：Ext.hoo.form.InterestMultiComboBox.js

代码如下

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

    <head>

        <title>form Component -- MultiComboBox</title>

        <meta http-equiv="pragma" content="no-cache"/>

        <meta http-equiv="cache-control" content="no-cache"/>

        <meta http-equiv="expires" content="0"/>

        <meta http-equiv="content-Type" content="text/html; charset=utf-8"/>

        <meta http-equiv="author" content="hoojo"/>

        <meta http-equiv="email" content="hoojo_@126.com"/>

        <meta http-equiv="ext-lib" content="version 2.2"/>

        <meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>

        <link rel="stylesheet" type="text/css" href="../ext2/resources/css/ext-all.css"/>

        <style type="text/css">

            .checked{

                background-image: url("../ext2/resources/images/default/menu/checked.gif");

            .unchecked{

                background-image: url("../ext2/resources/images/default/menu/unchecked.gif");

            .x-combo-list-item {

                line-height: 18px;

        </style>

        <script type="text/javascript" src="../ext2/adapter/ext/ext-base.js"></script>

        <script type="text/javascript" src="../ext2/ext-all.js"></script>

        <script type="text/javascript" src="../ext2/build/locale/ext-lang-zh_CN-min.js"></script>

        <script type="text/javascript" src="Ext.form.MultiComboBox.js"></script>

        <script type="text/javascript" src="Ext.hoo.form.InterestMultiComboBox.js"></script>

  </head>

  <body>

  <center>

      <div id="show" style="padding-top: 200px;"></div>

  </center>

  </body>

</html>

Ext.form.MultiComboBox.js

Ext.form.MultiComboBox = Ext.extend(Ext.form.TriggerField, {

    defaultAutoCreate : {tag: "input", type: "text", size: "24", autocomplete: "off"},

    listClass: '',

    selectedClass: 'x-combo-selected',

    triggerClass : 'x-form-arrow-trigger',

    shadow:'sides',

    listAlign: 'tl-bl?',

    maxHeight: 300,

    triggerAction: 'query',

    minChars : 4,

    typeAhead: false,

    queryDelay: 500,

    pageSize: 0,

    selectOnFocus: false,

    queryParam: 'query',

    loadingText: 'Loading...',

    resizable: false,

    handleHeight : 8,

    editable: true,

    allQuery: '',

    mode: 'remote',

    minListWidth : 70,

    forceSelection:false,

    typeAheadDelay : 250,

    displaySeparator:';',

    valueSeparator:',',

    lazyInit : true,

    initComponent : function(){

        Ext.form.ComboBox.superclass.initComponent.call(this);

        this.addEvents(

            'expand',

            'collapse',

            'beforeselect',

            'select',

            'beforequery'

);

        if(this.transform){

            this.allowDomMove = false;

            var s = Ext.getDom(this.transform);

            if(!this.hiddenName){

                this.hiddenName = s.name;

            if(!this.store){

                this.mode = 'local';

                var d = [], opts = s.options;

                for(var i = 0, len = opts.length;i < len; i++){

                    var o = opts[i];

                    var value = (Ext.isIE ? o.getAttributeNode('value').specified : o.hasAttribute('value')) ? o.value : o.text;

                    if(o.selected) {

                        this.value = value;

                    d.push([value, o.text]);

                this.store = new Ext.data.SimpleStore({

                    'id': 0,

                    fields: ['value', 'text'],

                    data : d

});

                this.valueField = 'value';

                this.displayField = 'text';

            s.name = Ext.id(); // wipe out the name in case somewhere else they have a reference

            if(!this.lazyRender){

                this.target = true;

                this.el = Ext.DomHelper.insertBefore(s, this.autoCreate || this.defaultAutoCreate);

                Ext.removeNode(s); // remove it

                this.render(this.el.parentNode);

            }else{

                Ext.removeNode(s); // remove it

        this.selectedIndex = -1;

        if(this.mode == 'local'){

            if(this.initialConfig.queryDelay === undefined){

                this.queryDelay = 10;

            if(this.initialConfig.minChars === undefined){

                this.minChars = 0;

},

    // private

    onRender : function(ct, position){

        Ext.form.ComboBox.superclass.onRender.call(this, ct, position);

        var disValue="";

        if(this.hiddenName){

            this.hiddenField = this.el.insertSibling({tag:'input', type:'hidden', name: this.hiddenName, id: (this.hiddenId||this.hiddenName)},

                    'before', true);

          var hvalue=this.hiddenValue !== undefined ? this.hiddenValue :

                this.value !== undefined ? this.value : '';

          var hvalueArray=hvalue.split(this.valueSeparator);

          for(var i=0;i<this.store.data.length;i++){

                 var r = this.store.getAt(i);

                 var newValue = r.data[this.displayField];

                  var v=r.data[this.valueField];

                  for(var j=0;j<hvalueArray.length;j++){

                      if(hvalueArray[j]==v){

                          disValue+=newValue+this.displaySeparator;

            this.hiddenField.value =this.hiddenValue !== undefined ? this.hiddenValue :

                this.value !== undefined ? this.value : '';

            this.el.dom.removeAttribute('name');

        if(Ext.isGecko){

            this.el.dom.setAttribute('autocomplete', 'off');

        if(!this.lazyInit){

            this.initList();

        }else{

            this.on('focus', this.initList, this, {single: true});

        if(!this.editable){

            this.editable = true;

            this.setEditable(false);

        this.setValue(disValue);

},

    initList : function(){

        if(!this.list){

            var cls = 'x-combo-list';

            this.list = new Ext.Layer({

                shadow: this.shadow, cls: [cls, this.listClass].join(' '), constrain:false

});

            var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);

            this.list.setWidth(lw);

            this.list.swallowEvent('mousewheel');

            this.assetHeight = 0;

            if(this.title){

                this.header = this.list.createChild({cls:cls+'-hd', html: this.title});

                this.assetHeight += this.header.getHeight();

            this.innerList = this.list.createChild({cls:cls+'-inner'});

            this.innerList.on('mouseover', this.onViewOver, this);

            this.innerList.on('mousemove', this.onViewMove, this);

            this.innerList.setWidth(lw - this.list.getFrameWidth('lr'))

            if(this.pageSize){

                this.footer = this.list.createChild({cls:cls+'-ft'});

                this.pageTb = new Ext.PagingToolbar({

                    store:this.store,

                    pageSize: this.pageSize,

                    renderTo:this.footer

});

                this.assetHeight += this.footer.getHeight();

            if(!this.tpl){

                //alert(cls);

                //x-combo-list-item

                this.tpl = '<tpl for="."><div class="'+cls+'-item"><span class="unchecked" style="padding-bottom: 1px;" id="checkBox_{' + this.displayField + '}">&nbsp;&nbsp;&nbsp;&nbsp;</span>{' + this.displayField + '}</div></tpl>';

            this.view = new Ext.DataView({

                applyTo: this.innerList,

                tpl: this.tpl,

                singleSelect: true,

                selectedClass: this.selectedClass,

                itemSelector: this.itemSelector || '.' + cls + '-item'

});

            this.view.on('click', this.onViewClick, this);

            this.bindStore(this.store, true);

            if(this.resizable){

                this.resizer = new Ext.Resizable(this.list,  {

                   pinned:true, handles:'se'

});

                this.resizer.on('resize', function(r, w, h){

                    this.maxHeight = h-this.handleHeight-this.list.getFrameWidth('tb')-this.assetHeight;

                    this.listWidth = w;

                    this.innerList.setWidth(w - this.list.getFrameWidth('lr'));

                    this.restrictHeight();

                }, this);

                this[this.pageSize?'footer':'innerList'].setStyle('margin-bottom', this.handleHeight+'px');

},

    bindStore : function(store, initial){

        if(this.store && !initial){

            this.store.un('beforeload', this.onBeforeLoad, this);

            this.store.un('load', this.onLoad, this);

            this.store.un('loadexception', this.collapse, this);

            if(!store){

                this.store = null;

                if(this.view){

                    this.view.setStore(null);

        if(store){

            this.store = Ext.StoreMgr.lookup(store);

            this.store.on('beforeload', this.onBeforeLoad, this);

            this.store.on('load', this.onLoad, this);

            this.store.on('loadexception', this.collapse, this);

            if(this.view){

                this.view.setStore(store);

},

    // private

    initEvents : function(){

        Ext.form.ComboBox.superclass.initEvents.call(this);

        this.keyNav = new Ext.KeyNav(this.el, {

            "up" : function(e){

                this.inKeyMode = true;

                this.selectPrev();

},

            "down" : function(e){

                if(!this.isExpanded()){

                    this.onTriggerClick();

                }else{

                    this.inKeyMode = true;

                    this.selectNext();

},

            "enter" : function(e){

                this.onViewClick();

                //return true;

},

            "esc" : function(e){

                this.collapse();

},

            "tab" : function(e){

                this.onViewClick(false);

                return true;

},

            scope : this,

            doRelay : function(foo, bar, hname){

                if(hname == 'down' || this.scope.isExpanded()){

                   return Ext.KeyNav.prototype.doRelay.apply(this, arguments);

                return true;

},

            forceKeyDown : true

});

        this.queryDelay = Math.max(this.queryDelay || 10,

                this.mode == 'local' ? 10 : 250);

        this.dqTask = new Ext.util.DelayedTask(this.initQuery, this);

        if(this.typeAhead){

            this.taTask = new Ext.util.DelayedTask(this.onTypeAhead, this);

        if(this.editable !== false){

            this.el.on("keyup", this.onKeyUp, this);

        if(this.forceSelection){

            this.on('blur', this.doForce, this);

},

    onDestroy : function(){

        if(this.view){

            this.view.el.removeAllListeners();

            this.view.el.remove();

            this.view.purgeListeners();

        if(this.list){

            this.list.destroy();

        this.bindStore(null);

        Ext.form.ComboBox.superclass.onDestroy.call(this);

},

    // private

    fireKey : function(e){

        if(e.isNavKeyPress() && !this.list.isVisible()){

            this.fireEvent("specialkey", this, e);

},

    // private

    onResize: function(w, h){

        Ext.form.ComboBox.superclass.onResize.apply(this, arguments);

        if(this.list && this.listWidth === undefined){

            var lw = Math.max(w, this.minListWidth);

            this.list.setWidth(lw);

            this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));

},

    // private

    onDisable: function(){

        Ext.form.ComboBox.superclass.onDisable.apply(this, arguments);

        if(this.hiddenField){

            this.hiddenField.disabled = this.disabled;

},

    setEditable : function(value){

        if(value == this.editable){

            return;

        this.editable = value;

        if(!value){

            this.el.dom.setAttribute('readOnly', true);

            this.el.on('mousedown', this.onTriggerClick,  this);

            this.el.addClass('x-combo-noedit');

        }else{

            this.el.dom.setAttribute('readOnly', false);

            this.el.un('mousedown', this.onTriggerClick,  this);

            this.el.removeClass('x-combo-noedit');

},

    // private

    onBeforeLoad : function(){

        if(!this.hasFocus){

            return;

        this.innerList.update(this.loadingText ?

               '<div class="loading-indicator">'+this.loadingText+'</div>' : '');

        this.restrictHeight();

        this.selectedIndex = -1;

},

    // private

    onLoad : function(){

        if(!this.hasFocus){

            return;

        if(this.store.getCount() > 0){

            this.expand();

            this.restrictHeight();

            if(this.lastQuery == this.allQuery){

                if(this.editable){

                    this.el.dom.select();

                if(!this.selectByValue(this.value, true)){

                    this.select(0, true);

            }else{

                this.selectNext();

                if(this.typeAhead && this.lastKey != Ext.EventObject.BACKSPACE && this.lastKey != Ext.EventObject.DELETE){

                    this.taTask.delay(this.typeAheadDelay);

        }else{

            this.onEmptyResults();

},

    // private

    onTypeAhead : function(){

        if(this.store.getCount() > 0){

            var r = this.store.getAt(0);

            var newValue = r.data[this.displayField];

            var len = newValue.length;

            var selStart = this.getRawValue().length;

            if(selStart != len){

                this.setRawValue(newValue);

                this.selectText(selStart, newValue.length);

},

    // private

    onSelect : function(record, index){

        if(this.fireEvent('beforeselect', this, record, index) !== false){

            var r = this.store.getAt(index);

            var newValue = r.data[this.displayField];

            var check=document.getElementById("checkBox_"+newValue);

            if(check.className=="checked"){

                check.className="unchecked"

            }else{

                check.className="checked"

            var value="";

            var hiddenValue="";

            for(var i=0;i<this.store.data.length;i++){

                 var r = this.store.getAt(i);

                 newValue = r.data[this.displayField];

                 check=document.getElementById("checkBox_"+newValue);

                 if(check.className=="checked"){

                     value+= r.data[this.displayField]+this.displaySeparator;

                     hiddenValue+= r.data[this.valueField]+this.valueSeparator;

            if(value.length>1){

                value=value.substring(0,value.length-this.displaySeparator.length);

            if(hiddenValue.length>1){

                hiddenValue=hiddenValue.substring(0,value.length-this.valueSeparator.length);

            this.setValue(value);

            this.hiddenField.value=hiddenValue;

            this.fireEvent('select', this, record, index);

},

    getValue : function(){

        if(this.valueField){

            return typeof this.value != 'undefined' ? this.value : '';

        }else{

            return Ext.form.ComboBox.superclass.getValue.call(this);

},

/**

     * Clears any text/value currently set in the field

*/

    clearValue : function(){

        if(this.hiddenField){

            this.hiddenField.value = '';

        this.setRawValue('');

        this.lastSelectionText = '';

        this.applyEmptyText();

},

    setValue : function(v){

        var text = v;

        if(this.valueField){

            var r = this.findRecord(this.valueField, v);

            if(r){

                text = r.data[this.displayField];

            }else if(this.valueNotFoundText !== undefined){

                text = this.valueNotFoundText;

        this.lastSelectionText = text;

        Ext.form.ComboBox.superclass.setValue.call(this, text);

        this.value = v;

},

    // private

    findRecord : function(prop, value){

        var record;

        if(this.store.getCount() > 0){

            this.store.each(function(r){

                if(r.data[prop] == value){

                    record = r;

                    return false;

});

        return record;

},

    // private

    onViewMove : function(e, t){

        this.inKeyMode = false;

},

    // private

    onViewOver : function(e, t){

        if(this.inKeyMode){ // prevent key nav and mouse over conflicts

            return;

        var item = this.view.findItemFromChild(t);

        if(item){

            var index = this.view.indexOf(item);

            this.select(index, false);

},

    // private

    onViewClick : function(doFocus){

        var index = this.view.getSelectedIndexes()[0];

        var r = this.store.getAt(index);

        if(r){

            this.onSelect(r, index);

        if(doFocus !== false){

            this.el.focus();

},

    // private

    restrictHeight : function(){

        this.innerList.dom.style.height = '';

        var inner = this.innerList.dom;

        var fw = this.list.getFrameWidth('tb');

        var h = Math.max(inner.clientHeight, inner.offsetHeight, inner.scrollHeight);

        this.innerList.setHeight(h < this.maxHeight ? 'auto' : this.maxHeight);

        this.list.beginUpdate();

        this.list.setHeight(this.innerList.getHeight()+fw+(this.resizable?this.handleHeight:0)+this.assetHeight);

        this.list.alignTo(this.el, this.listAlign);

        this.list.endUpdate();

},

    // private

    onEmptyResults : function(){

        this.collapse();

},

/**

     * Returns true if the dropdown list is expanded, else false.

*/

    isExpanded : function(){

        return this.list && this.list.isVisible();

},

    selectByValue : function(v, scrollIntoView){

        if(v !== undefined && v !== null){

            var r = this.findRecord(this.valueField || this.displayField, v);

            if(r){

                this.select(this.store.indexOf(r), scrollIntoView);

                return true;

        return false;

},

    select : function(index, scrollIntoView){

        this.selectedIndex = index;

        this.view.select(index);

        if(scrollIntoView !== false){

            var el = this.view.getNode(index);

            if(el){

                this.innerList.scrollChildIntoView(el, false);

},

    // private

    selectNext : function(){

        var ct = this.store.getCount();

        if(ct > 0){

            if(this.selectedIndex == -1){

                this.select(0);

            }else if(this.selectedIndex < ct-1){

                this.select(this.selectedIndex+1);

},

    // private

    selectPrev : function(){

        var ct = this.store.getCount();

        if(ct > 0){

            if(this.selectedIndex == -1){

                this.select(0);

            }else if(this.selectedIndex != 0){

                this.select(this.selectedIndex-1);

},

    // private

    onKeyUp : function(e){

        if(this.editable !== false && !e.isSpecialKey()){

            this.lastKey = e.getKey();

            this.dqTask.delay(this.queryDelay);

},

    // private

    validateBlur : function(){

        return !this.list || !this.list.isVisible();

},

    // private

    initQuery : function(){

        this.doQuery(this.getRawValue());

},

    // private

    doForce : function(){

        if(this.el.dom.value.length > 0){

            this.el.dom.value =

                this.lastSelectionText === undefined ? '' : this.lastSelectionText;

            this.applyEmptyText();

},

    doQuery : function(q, forceAll){

        if(q === undefined || q === null){

            q = '';

        var qe = {

            query: q,

            forceAll: forceAll,

            combo: this,

            cancel:false

};

        if(this.fireEvent('beforequery', qe)===false || qe.cancel){

            return false;

        q = qe.query;

        forceAll = qe.forceAll;

        if(forceAll === true || (q.length >= this.minChars)){

            if(this.lastQuery !== q){

                this.lastQuery = q;

                if(this.mode == 'local'){

                    this.selectedIndex = -1;

                    if(forceAll){

                        this.store.clearFilter();

                    }else{

                        this.store.filter(this.displayField, q);

                    this.onLoad();

                }else{

                    this.store.baseParams[this.queryParam] = q;

                    this.store.load({

                        params: this.getParams(q)

});

                    this.expand();

            }else{

                this.selectedIndex = -1;

                this.onLoad();

},

    // private

    getParams : function(q){

        var p = {};

        //p[this.queryParam] = q;

        if(this.pageSize){

            p.start = 0;

            p.limit = this.pageSize;

        return p;

},

/**

     * Hides the dropdown list if it is currently expanded. Fires the 'collapse' event on completion.

*/

    collapse : function(){

        if(!this.isExpanded()){

            return;

        this.list.hide();

        Ext.getDoc().un('mousewheel', this.collapseIf, this);

        Ext.getDoc().un('mousedown', this.collapseIf, this);

        this.fireEvent('collapse', this);

},

    // private

    collapseIf : function(e){

        if(!e.within(this.wrap) && !e.within(this.list)){

            this.collapse();

},

/**

     * Expands the dropdown list if it is currently hidden. Fires the 'expand' event on completion.

*/

    expand : function(){

        if(this.isExpanded() || !this.hasFocus){

            return;

        this.list.alignTo(this.wrap, this.listAlign);

        var hvalueArray=this.hiddenField.value.split(this.valueSeparator);

        for(var i=0;i<this.store.data.length;i++){

             var r = this.store.getAt(i);

             var newValue = r.data[this.displayField];

              var v=r.data[this.valueField];

              for(var j=0;j<hvalueArray.length;j++){

                  if(hvalueArray[j]==v){

                      document.getElementById("checkBox_"+newValue).className="checked";

        this.list.show();

        Ext.getDoc().on('mousewheel', this.collapseIf, this);

        Ext.getDoc().on('mousedown', this.collapseIf, this);

        this.fireEvent('expand', this);

},

    // private

    // Implements the default empty TriggerField.onTriggerClick function

    onTriggerClick : function(){

        if(this.disabled){

            return;

        if(this.isExpanded()){

            this.collapse();

            this.el.focus();

        }else {

            this.onFocus({});

            if(this.triggerAction == 'all') {

                this.doQuery(this.allQuery, true);

            } else {

                this.doQuery(this.getRawValue());

            this.el.focus();

});

Ext.reg('multicombo', Ext.form.MultiComboBox);

Ext.hoo.form.InterestMultiComboBox.js

/**

 * @function 支持多选的combox

 * @auhor: hoojo

 * @createDate: Sep 10, 2010 10:32:00 PM

 * @blog: blog.csdn.net/IBM_hoojo

 * @email: hoojo_@126.com

 * @class Ext.hoo.form.InterestMultiComboBox

 * @extends Ext.form.MultiComboBox

*/

Ext.ns("Ext.hoo.form");

Ext.hoo.form.InterestMultiComboBox = Ext.extend(Ext.form.MultiComboBox, {

     constructor: function () {

         Ext.hoo.form.InterestMultiComboBox.superclass.constructor.call(this, {

             renderTo: "show",

              250,

            mode: "local",

            fieldLabel: "多选下拉框",

            store: new Ext.data.SimpleStore({

                fields: ["textAttr", "valueAttr"],

                data: [

                    ["打球", "batting"],

                    ["看书", "lookbook"],

                    ["睡觉", "sleeping"],

                    ["购物", "shopping"],

                    ["打游戏", "games"],

                    ["唱歌", "sing"]

}),

            editable: true,

            emptyText:"请选择",

            //allowBlank: false,

            valueField: "textAttr",

            displayField: "valueAttr",

            labelSeparator: "：",

            valueSeparator: "#",

            displaySeparator: ",",

            //value:"batting,sleeping",

            hiddenName: "interest",

            forceSelection: true,

            triggerAction: "all"

});

         this.on("select", function (field, record, index) {

             alert(field.getValue() + "%%%%" + field.getRawValue() + Ext.fly("interest").dom.value);

         }, this);

});

Ext.onReady(function () {

    Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";

    Ext.QuickTips.init();

    Ext.form.Field.prototype.msgTarget = "qtip";

    new Ext.hoo.form.InterestMultiComboBox();

});

五、动态Combobox Tree（下拉列表树）组件

可以多选、单选、checkbox

需要的文件

动态下列列表树插件：Ext.ux.form.DynamicTreeCombox.js

示例文件：Ext.hoo.form.DynaTreeCombo.js

代码如下：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

    <head>

        <title>form Component -- MultiComboBox</title>

        <meta http-equiv="pragma" content="no-cache"/>

        <meta http-equiv="cache-control" content="no-cache"/>

        <meta http-equiv="expires" content="0"/>

        <meta http-equiv="content-Type" content="text/html; charset=utf-8"/>

        <meta http-equiv="author" content="hoojo"/>

        <meta http-equiv="email" content="hoojo_@126.com"/>

        <meta http-equiv="ext-lib" content="version 2.2"/>

        <meta http-equiv="blog" content="http://blog.csdn.net/IBM_hoojo"/>

        <link rel="stylesheet" type="text/css" href="../ext2/resources/css/ext-all.css"/>

        <script type="text/javascript" src="../ext2/adapter/ext/ext-base.js"></script>

        <script type="text/javascript" src="../ext2/ext-all.js"></script>

        <script type="text/javascript" src="../ext2/build/locale/ext-lang-zh_CN-min.js"></script>

        <script type="text/javascript" src="Ext.ux.form.DynamicTreeCombox.js"></script>

        <script type="text/javascript" src="Ext.hoo.form.DynaTreeCombo.js"></script>

  </head>

  <body>

      <div id="show" style="float: left; margin: 100px 0 0 100px;"></div>

      <div id="showBasic" style="float: left; margin: 100px 0 0 100px;"></div>

      <div id="showConstom" style="float: left; margin: 100px 0 0 100px;"></div>

  </body>

</html>

Ext.ux.form.DynamicTreeCombox.js

Ext.ns("Ext.ux.form");

Ext.ux.form.DynamicTreeCombox = Ext.extend(Ext.form.ComboBox, {

    initComponent:function(){

        Ext.ux.form.DynamicTreeCombox.superclass.initComponent.call(this);

        this.addEvents('beforeClickNode','afterClickNode', 'select');

        if(!this.tree){

            var root = this.root || new Ext.tree.AsyncTreeNode();

            this.tree = new Ext.tree.TreePanel({

                containerScroll: true,

                rootVisible: false,

                border: false,

                root: root

});

            this.tree.loader = new Ext.tree.TreeLoader(this.loaderConfig||{dataUrl:"",baseAttrs:{}});

            this.tree.loader.addListener("beforeload",this.beforeLoad,this);

            this.tree.loader.addListener("load",this.onLoad,this);

            this.tree.addListener('collapsenode',this.onNodeCollapse,this);

            this.tree.addListener('expandnode',this.onNodeExpand,this);

        var fieldMp = {

            text: "text",

            qtip: "qtip",

            parentFuncId: "id",

            icon: "icon"

};

        if(!this.fieldMapping){

            this.fieldMapping = fieldMp;

        }else{

            Ext.applyIf(this.fieldMapping, fieldMp);

},

    initList:function(){

        if(!this.list){

            var cls = 'x-combo-list';

            this.list = new Ext.Layer({

                shadow: this.shadow, cls: [cls, this.listClass].join(' '), constrain:false

});

            var lw = this.listWidth || Math.max(this.wrap.getWidth(), this.minListWidth);

            this.list.setWidth(lw);

            this.list.swallowEvent('mousewheel');

            this.innerList = this.list.createChild({cls:cls+'-inner'});

            this.innerList.setWidth(lw - this.list.getFrameWidth('lr'));

            this.innerList.setHeight("100%");

},

    doQuery:function(){

        if(this.expandAll){

            var loader=this.tree.loader;

            if(loader.baseAttrs){

                Ext.apply(loader.baseAttrs,{expanded:this.expandAll});

            }else{

                loader.baseAttrs={expanded:this.expandAll};

        if(!this.tree.rendered){

            this.tree.render(this.innerList);

            this.tree.addListener("click",this.clickNode,this);

        this.expand();

},

    beforeLoad:function(loader,node){

        if(node!=node.getOwnerTree().root){

            loader.baseParams.parentFuncId=node.attributes[this.fieldMapping.parentFuncId];

},

    onLoad:function(loader,node,res){

        var nodeArr=node.childNodes;

        for(var i=0,j=nodeArr.length;i<j;i++){

            if(nodeArr[i].attributes[this.fieldMapping.icon]){

                nodeArr[i].getUI().getIconEl().src=nodeArr[i].attributes[this.fieldMapping.icon];

            nodeArr[i].setText(nodeArr[i].attributes[this.fieldMapping.text]);

            nodeArr[i].ui.textNode.setAttribute("qtip", nodeArr[i].attributes[this.fieldMapping.qtip]);

},

    clickNode:function(node){

        if(this.fireEvent('beforeClickNode',this,node)){

            this.setValue(node.attributes[this.displayField]);

            this.value = node.attributes[this.valField || "id"];

        this.fireEvent("afterClickNode",this,node);

        this.fireEvent("select",this,node);

        this.collapse();

},

    onNodeCollapse:function(node){

        this.list.setHeight(this.tree.getEl().getHeight()+2);

},

    getValue: function () {

        return this.value;

},

    onNodeExpand:function(node){

        this.list.setHeight(this.tree.getEl().getHeight()+2);

},

    onDestroy:function(){

        if(this.view){

            this.view.el.removeAllListeners();

            this.view.el.remove();

            this.view.purgeListeners();

        if(this.tree.loader){

            this.tree.loader.purgeListeners();

        if(this.tree){

            this.tree.el.removeAllListerers();

            this.tree.el.remove();

            this.tree.purgeListeners();

        if(this.innerList){

            this.innerList.destroy();

        if(this.list){

            this.list.destroy();

        Ext.form.ComboBox.superclass.onDestroy.call(this);

});

Ext.reg("treecombox",Ext.ux.form.DynamicTreeCombox);

Ext.hoo.form.DynaTreeCombo.js

/**

 * @function 动态tree的combobox,本地数据

 * @auhor: hoojo

 * @createDate: Sep 11, 2010 6:33:13 PM

 * @blog: blog.csdn.net/IBM_hoojo

 * @email: hoojo_@126.com

 * @class Ext.hoo.form.DynaTreeCombo

 * @extends Ext.ux.form.DynamicTreeCombox

*/

Ext.ns("Ext.hoo.form");

Ext.hoo.form.DynaTreeCombo = Ext.extend(Ext.ux.form.DynamicTreeCombox, {

    constructor: function () {

        Ext.hoo.form.DynaTreeCombo.superclass.constructor.call(this, {

            renderTo: "show",

            expandAll: false,

            readOnly: true,

             200,

            displayField: "text",

            valField: "id",

            root: new Ext.tree.AsyncTreeNode({

                text: "ExtJS",

                id: "0",

                children: [{

                    text: "adpter",

                    qtip: "这是一个adpter的tip",

                    children: [{

                        text: "ext",

                        leaf: true,

                        qtip: "这是一个ext的tip",

                        checked: true

},{

                        text: "yui",

                        leaf: true

},{

                        text: "jquery",

                        leaf: true

},{

                        text: "prototype",

                        leaf: true,

                        checked: false

}]

},{

                    text: "air",

                    checked: false,

                    children: [{

                        text: "air.jsb",

                        leaf: true

},{

                        text: "ext-air.js",

                        leaf: true

}]

},{

                    text: "docs"

}]

})

});

        this.on("select", function (field, node) {

            alert(field.getValue() + "###" + field.getRawValue() + "##" + node.text);

        }, this);

        this.on("check", function (field, node) {

            alert(field.getValue() + "###" + field.getRawValue() + "##" + node.text);

        }, this);

});

/**

 * @function DynamicTreeCombox 后台数据

 * @auhor: hoojo

 * @createDate: Sep 11, 2010 10:30:27 PM

 * @blog: blog.csdn.net/IBM_hoojo

 * @email: hoojo_@126.com

*/

Ext.hoo.form.AsyncBasicDynaTreeCombo = Ext.extend(Ext.ux.form.DynamicTreeCombox, {

    constructor: function () {

        Ext.hoo.form.AsyncBasicDynaTreeCombo.superclass.constructor.call(this, {

            renderTo: "showBasic",

            expandAll: false,

            readOnly: true,

             200,

            displayField: "text",

            valField: "id",

            loaderConfig:{

                dataUrl: "../ServiceDataServlet?method=basic"//加载树的URL

});

        this.on("select", function (field, node) {

            alert(field.getValue() + "###" + field.getRawValue() + "##" + node.text);

        }, this);

});

/**

 * @function 后台数据

 * @auhor: hoojo

 * @createDate: Sep 11, 2010 10:30:59 PM

 * @blog: blog.csdn.net/IBM_hoojo

 * @email: hoojo_@126.com

*/

Ext.hoo.form.AsyncConstomDynaTreeCombo = Ext.extend(Ext.ux.form.DynamicTreeCombox, {

    constructor: function () {

        Ext.hoo.form.AsyncConstomDynaTreeCombo.superclass.constructor.call(this, {

            renderTo: "showConstom",

            expandAll: false,

            readOnly: true,

             200,

            displayField: "text",

            valField: "id",

            loaderConfig:{

                dataUrl: "../ServiceDataServlet?method=constom",

                baseParams:{parentFuncId:""}//如果传递parentFuncId就会查询当前id下的节点

},

            //后台数据中没有text、qtip、icon、parentFuncId属性，需加上fieldMapping进行属性映射，如果后台返回数据中有此属性可省略

            fieldMapping: {

                text: "text",//映射node的text字段

                qtip: "tip",//映射node的qtip字段

                parentFuncId: "text"//映射动态请求后台的text属性作为请求参数

                //icon: "img"

});

        this.on("select", function (field, node) {

            alert(field.getValue() + "###" + field.getRawValue() + "##" + node.text);

        }, this);

});

Ext.onReady(function () {

    Ext.BLANK_IMAGE_URL = "../ext2/resources/images/default/s.gif";

    Ext.QuickTips.init();

    Ext.form.Field.prototype.msgTarget = "qtip";

    new Ext.hoo.form.DynaTreeCombo();

    new Ext.hoo.form.AsyncBasicDynaTreeCombo();

    new Ext.hoo.form.AsyncConstomDynaTreeCombo();

});

ServiceDataServlet.java

package com.hoo.servlet;

import java.io.IOException;

import java.io.PrintWriter;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class ServiceDataServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;

    public void doGet(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        response.setContentType("text/json");

        response.setCharacterEncoding("utf-8");

        PrintWriter out = response.getWriter();

        String method = request.getParameter("method");

        StringBuilder sb = new StringBuilder();

        if ("basic".equals(method)) {

            sb.append("[")

                .append("{").append("text:\"").append("adpter").append("\", qtip: \"").append("qtip提示：ADPTER").append("\",");

                sb.append("children: [")

                    .append("{").append("text:\"").append("ext").append("\", qtip: \"").append("qtip提示：ext").append("\",")

                    .append("leaf: true").append("},")

                    .append("{").append("text:\"").append("jquery")

                    .append("\",").append("leaf: true").append("}]").append("},")

                    .append("{").append("text:\"").append("air").append("\",");

                    sb.append("children: [")

                        .append("{").append("text:\"").append("air.jsb")

                        .append("\",").append("leaf: true").append("},")

                        .append("{").append("text:\"").append("ext-air.js")

                        .append("\",").append("leaf: true").append("}]").append("},")

                        .append("{").append("text:\"").append("readMe.text").append("\",")

                        .append("leaf: true}");

            sb.append("]");

        if ("constom".equals(method)) {

            sb.append("[")

                .append("{").append("text:\"").append("adpter").append("\", tip: \"").append("ADPTER").append("\",");

                sb.append("children:[")

                    .append("{").append("text:\"").append("ext").append("\", tip: \"").append("EXT").append("\",")

                    .append("leaf: true").append("},")

                    .append("{").append("text:\"").append("jquery").append("\", tip: \"").append("JQUERY").append("\",")

                    .append("leaf: true").append("}]},")

                    .append("{").append("text:\"").append("air").append("\", tip: \"").append("AIR").append("\",");

                    sb.append("children:[")

                        .append("{").append("text:\"").append("air.jsb").append("\", tip: \"").append("AIR.JSB").append("\",")

                        .append("leaf: true").append("},")

                        .append("{").append("text:\"").append("ext-air.js").append("\", tip: \"").append("EXT-AIR.JS").append("\",")

                        .append("leaf: true").append("}]").append("},")

                        .append("{").append("text:\"").append("readMe.text").append("\", tip: \"").append("README.TEXT").append("\",")

                        .append("leaf: true}");

            sb.append("]");

        out.print(sb.toString());

        out.flush();

        out.close();

    public void doPost(HttpServletRequest request, HttpServletResponse response)

            throws ServletException, IOException {

        this.doGet(request, response);

作者：hoojo
出处：
blog：http://blog.csdn.net/IBM_hoojo
本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。

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原文地址：https://www.cnblogs.com/hoojo/p/2369769.html