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  • Ext如何动态添加一行组件

    用的column布局,点击一个按钮能添加一行组件,如文本框,有下拉框等。

    如:

    效果:

    实现方法如下:

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    /*!
     * Ext JS Library 3.4.0
     * Copyright(c) 2006-2011 Sencha Inc.
     * licensing@sencha.com
     */
    Ext.onReady(function(){
                          // 添加按钮
        var newDept_action = new Ext.Action({
            cls: 'x-btn-text-icon bmenu',
            icon: 'icon-add',
            text: '添加新的部门(新的一行)',
            handler: function(){
                id = id + 1;
                 
                //添加新的fieldSet
                var org_fieldSet = new Ext.Panel({           
                    //column布局控件开始               
                    id: 'org_fieldSet_' + id,
                    layout: 'column',
                    border: false,
                    items: [//组件开始
                    {
                        columnWidth: .2,
                        layout: 'form',
                        border: false,
                        items: [{
                            //为空
                            blankText: '组织名称不能为空',
                            emptyText: '',
                            editable: false,
                            triggerAction: 'all',
                            allowBlank: false,
                            //为空                       
                            xtype: 'textfield',
                            fieldLabel: '组织名称',
                            id: 'org_field_orgName_' + id,
                            name: 'org_field_orgName_' + id,
                            anchor: '90%'
                         
                        }]
                    } //组件结束
    , //组件开始
                    {
                        columnWidth: .2,
                        layout: 'form',
                        border: false,
                        items: [{
                            //为空
                            blankText: '上级部门不能为空',
                            emptyText: '',
                             
                             
                            editable: false,
                            triggerAction: 'all',
                            allowBlank: false,
                            //为空
                             
                            xtype: 'textfield',
                            fieldLabel: '上级部门',
                            id: 'org_field_orgParent_' + id,
                             
                            anchor: '90%'
                         
                         
                        }]
                    } //组件结束
    , //按钮开始
                    {
                        columnWidth: .2,
                        layout: 'form',
                        border: false,
                        items: [{
                         
                            xtype: 'button',
                            text: '选择上级部门',
                            scope: this,
                            handler: function(){
                             
                             
                             
                             
                            }
                        }]
                    } //按钮结束
    , //组件开始
                    {
                     
                     
                        columnWidth: .2,
                        layout: 'form',
                        border: false,
                        items: [{
                            //为空
                            blankText: '上级部门不能为空',
                            emptyText: '',
                             
                             
                            editable: false,
                            triggerAction: 'all',
                            allowBlank: false,
                            //为空
                            //xtype: 'hidden',
                            xtype: 'textfield',
                            fieldLabel: '本部门ID',
                             
                            value: 'org_field_orgId_' + id,
                            anchor: '90%'
                         
                         
                        }]
                    } //组件结束
    , //按钮开始
                    {
                        columnWidth: .2,
                        layout: 'form',
                        border: false,
                        items: [{
                         
                            xtype: 'button',
                            text: '删除',
                            value: id,
                            scope: this,
                             
                             
                            handler: function(obj){
                                var del_id = obj.value;
                                //var field_1 = Ext.getCmp('org_field_orgName_' + del_id);
                                var fieldSet_1 = Ext.getCmp('org_fieldSet_' + del_id);
                                //删除一行
                                simple.remove(fieldSet_1, true);
                                 
                            }
                        }]
                    } //按钮结束
    ]
                 
                    //column布局控件结束
                });
                //添加fieldSet
                simple.add(org_fieldSet);
                //重新剧新
                simple.doLayout();
                 
            },
            iconCls: 'blist'
        });
      var first_Org_fieldSet = new Ext.Panel({
         
            //column布局控件开始
             
            id: 'org_fieldSet_' + id,
            layout: 'column',
            border: false,
            items: [//组件开始
            {
                columnWidth: .2,
                layout: 'form',
                border: false,
                items: [{
                    //为空
                    blankText: '组织名称不能为空',
                    emptyText: '',
                     
                     
                    editable: false,
                    triggerAction: 'all',
                    allowBlank: false,
                    //为空
                     
                    xtype: 'textfield',
                    fieldLabel: '组织名称',
                    id: 'org_field_orgName_' + id,
                    name: 'org_field_orgName_' + id,
                    anchor: '90%'
                 
                }]
            } //组件结束
    , //组件开始
            {
                columnWidth: .2,
                layout: 'form',
                border: false,
                items: [{
                    //为空
                    blankText: '上级部门不能为空',
                    emptyText: '',
                     
                     
                    editable: false,
                    triggerAction: 'all',
                    allowBlank: false,
                    //为空
                     
                    xtype: 'textfield',
                    fieldLabel: '上级部门',
                    id: 'org_field_orgParent_' + id,
                     
                    anchor: '90%'
                 
                 
                }]
            } //组件结束
    , //按钮开始
            {
                columnWidth: .2,
                layout: 'form',
                border: false,
                items: [{
                 
                    xtype: 'button',
                    text: '选择上级部门',
                    scope: this,
                    handler: function(){
                     
                     
                     
                     
                    }
                }]
            } //按钮结束
    , //组件开始
            {
             
             
                columnWidth: .2,
                layout: 'form',
                border: false,
                items: [{
                    //为空
                    blankText: '上级部门不能为空',
                    emptyText: '',
                     
                     
                    editable: false,
                    triggerAction: 'all',
                    allowBlank: false,
                    //为空
                    //xtype: 'hidden',
                    xtype: 'textfield',
                    fieldLabel: '本部门ID',
                     
                    value: 'org_field_orgId_' + id,
                    anchor: '90%'
                 
                 
                }]
            } //组件结束
    , //按钮开始
            {
                columnWidth: .2,
                layout: 'form',
                border: false,
                items: [{
                 
                    xtype: 'button',
                    text: '删除',
                    value: id,
                    scope: this,
                     
                     
                    handler: function(obj){
                        var del_id = obj.value;
                        //var field_1 = Ext.getCmp('org_field_orgName_' + del_id);
                        var fieldSet_1 = Ext.getCmp('org_fieldSet_' + del_id);
                         
                         
                         
                        simple.remove(fieldSet_1, true);
                         
                         
                         
                    }
                }]
            } //按钮结束
    ]
         
            //column布局控件结束
        });
      //定义表单
        var simple = new Ext.FormPanel({
            labelAlign: 'left',
            title: '添加子部门',
            buttonAlign: 'right',
            bodyStyle: 'padding:5px',
            // 600,
            autoHeight: true,
            autoWidth: true,
            //
            frame: true,
            labelWidth: 80,
            // items: [ ]        ,
            buttons: [{
                text: '保存',
                type: 'submit',
                //定义表单提交事件
                handler: function(){
                 
                 
                    if (simple.form.isValid()) {//验证合法后使用加载进度条
                        Ext.MessageBox.show({
                            title: '请稍等',
                            msg: '正在加载...',
                            progressText: '',
                             300,
                            progress: true,
                            closable: false,
                            animEl: 'loding'
                        });
                        //控制进度速度
                        var f = function(v){
                            return function(){
                                var i = v / 11;
                                Ext.MessageBox.updateProgress(i, '');
                            };
                        };
                         
                        for (var i = 1; i < 13; i++) {
                            setTimeout(f(i), i * 150);
                        }
                         
                        //提交到服务器操作
                        simple.form.doAction('submit', {
                            url: newSaveOrgFrameUrl,//文件路径
                            method: 'post',//提交方法post或get
                            params: '',
                            //提交成功的回调函数
                            success: function(form, action){
                                if (action.result.msg == 'ok') {
                                 
                                 
                                 
                                    Ext.MessageBox.show({
                                        title: '系统提示信息',
                                        msg: '添加成功!',
                                        buttons: Ext.MessageBox.OK,
                                        icon: Ext.MessageBox.INFO,
                                        fn: function(btn, text){
                                         
                                         
                                         
                                        }
                                    });
                                }
                                else {
                                    Ext.Msg.alert('添加错误', action.result.msg);
                                }
                            },
                            //提交失败的回调函数
                            failure: function(){
                                Ext.Msg.alert('错误', '服务器出现错误请稍后再试!');
                            }
                        });
                    }
                }
            }, {
                text: '重置',
                handler: function(){
                    simple.form.reset();
                }//重置表单
            }, {
                text: '取消',
                handler: function(){
                    win.close();
                }//重置表单
            }]
        });
        //添加第一个fieldSet
        simple.add(first_Org_fieldSet);
       //菜单面板
        var panel = new Ext.Panel({
            bodyStyle: '100%',
            autoWidth: true,
            autoHeight: true,
            //autoScroll: true,
            renderTo: Ext.getBody(),
            //
             
            title: '',
            bodyStyle: 'padding:10px;',
            tbar: [{
                xtype: 'tbseparator'
            }, newDept_action, { // <-- Add the action directly to a toolbar
                xtype: 'tbseparator'
            }],
            items: [simple]
         
        });
         
       // return panel;
         simple.render(document.body);
      
    });

      最后要感谢熊熊之家的博客:http://hi.baidu.com/freshman0502/blog/item/dba3a1d3742d13d8a9ec9ae7.html

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  • 原文地址:https://www.cnblogs.com/zhwl/p/3839953.html
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