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  • 关于jq+devexpress基础知识总结(随便的基础)

    //获取某行某列的值
            onSelectionChanged: function (selectedItems) {
                var data = selectedItems.selectedRowsData[0];
                if (data != null)
                    postionno = data.POSTIONNO; //货位号
                    
    
            },
    
    
    
    
    //获取月份的下拉列表dxSelectBox
    
    <div data-bind="dxSelectBox: SCYselectbox" class="dx-lookup-invalid" style="50%"></div>
        
        
        SCYselectbox: {
            items: ko.observable([]),
            value: ko.observable(""),
            onValueChanged: function (data) {
                getlist(data.value);
            }
        }
    
    
    //绑定月份
    function getlist2() {
        
        var myDate = new Date()
        var s_yeay = myDate.getFullYear();
        var yearitem = [
            s_yeay + "-01",
            s_yeay + "-02",
            s_yeay + "-03",
            s_yeay + "-04",
            s_yeay + "-05",
            s_yeay + "-06",
            s_yeay + "-07",
            s_yeay + "-08",
            s_yeay + "-09",
            s_yeay + "-10",
            s_yeay + "-11",
            s_yeay + "-12"
        ];
        viewStockCount.SCYselectbox.items(yearitem);   //将值填充到selectbox控件中
        viewStockCount.SCYselectbox.value(yearitem[0]);   //默认选择第一个
        getlist(viewStockCount.SCYselectbox.value());   //取值
    };
    
    
    //给grid中的列绑定下拉列表
    var depData = ko.observable([]);  //获取仓库下拉列表
    {
                     dataField: 'GENSTORAGEID',
                     caption: '仓库名称',
                     allowSearch: true,
                     dataType: 'string',
                     visible: false,
                     allowEditing: true,
                     alignment: 'center',
                     editCellTemplate: function ($cell, cellData) {
                         var $selectBox = $("<div>").dxLookup({
                             dataSource: depData(),
                             displayExpr: 'GENSTORAGENAME',
                             valueExpr: 'GENSTORAGEID',
                             searchPlaceholder: '请输入...',
                             cancelButtonText: '取消',
                             value: cellData.data.GENSTORAGEID,
                             onValueChanged: function (e) {
                                 //console.log(e.value);
                                 GENSTORAGEID(e.value);
                             }
                         });
                         $cell.append($selectBox);
                     }
    
                 }
    
    //----------获取仓库列表
    function getgenername() {
        var _peoid = decrypt(localStorage.getItem("_ur"));
        DBRequest("Api/Func.asmx/Getgenernamelist", "{ peoid:" + _peoid + "}",passfunc3, failfunc);
    };
    
    //查询成功后异步事件    ------入库复核
    function passfunc3(data) {
        depData(data);
        console.log(depData());
    };
    
    
    
    //给grid列的单价、金额加美元符号
    {
                    dataField: 'AMONEY',
                    caption: '金额',
                    allowSearch: true,
                    allowEditing: false,
                    dataType: 'string',
                    alignment: 'center',
                    format: { type: 'currency', precision: 2 }   //给grid列的单价、金额加美元符号
                },
    
    
    //
     {
                    dataField: 'ISVALID',
                    dataType: 'number',
                    caption: '是否有效',
                    alignment: 'center',
                     'auto',
                    lookup: {
                        dataSource: [
                          { value: 1, content: '' },
                          { value: 0, content: '' }
                        ], valueExpr: 'value', displayExpr: 'content'
                    }
                }
    
    //类型
    dataType    alignment
    'number'    'right'
    'boolean'    'center'
    'string'    'left'
    'date'           'left'
    'guid'       'left'
    
    
    
    //初始化grid宽度
    customizeColumns: function (columns) {
            columns[0].width = 100;
            columns[1].width = 210;
        }
    
    //grid验证 
    {
                dataField: "Phone",
                validationRules: [{ type: "required" }, {
                    type: "pattern",
                    message: 'Your phone must have "(555) 555-5555" format!',
                    pattern: /^(d{3}) d{3}-d{4}$/i 
                }]
            },
    
    {
                dataField: "Email",
                validationRules: [{ type: "required" }, { type: "email" }]
            }
    
    
    //自定义列  拼接成列(由几个字段组成)
    {
            caption: "Employee",
             230,
            fixed: true,
            calculateCellValue: function(data) {
                return [data.Title,
                   data.FirstName, data.LastName]
                   .join(" ");
           }
        },
    
    
    
    //grid绑定列图片
    {
                dataField: "Picture",
                 100,
                allowFiltering: false,
                allowSorting: false,
                cellTemplate: function (container, options) {
                    container.addClass("img-container");
                    $("<img />")
                        .attr("src", options.value)
                        .appendTo(container);
                }
            },
    
    
    //grid刷新
    $("#applyCustomFilter").dxButton({
        text: "Calculate summary for selected rows", 
        onClick: function() {
            dataGrid.refresh();
        }
    });
    
    //grid滚动条属性(水平和垂直的都有)
     fieldChooser: {
            enabled: false 
        },
        scrolling: {
            mode: "virtual"
        },
    
    
    
    
    //只允许输入数字的texbox
     <div class="dx-field">
                <div class="dx-field-label">Default mode</div>
                <div class="dx-field-value">
                    <div data-bind="dxNumberBox"></div>    //这个就是的(没有上下的箭头)只能输入数字的
                </div>
            </div>
    
    
    <div class="dx-field">
                <div class="dx-field-label">With spin and clear buttons</div>
                <div class="dx-field-value">
                    <div data-bind="dxNumberBox: withButtons"></div>  //有上下箭头的,且输入的文本还可以关闭的  withButtons是自定义的名字,用来写js的
                </div>
            </div>
    
    //js
     withButtons: {
            value: 20.5,
            min:0,
            max:3,
            showSpinButtons: true,
            showClearButton: true,
        },
    
    
    //----------------------动态设置最大值,最小值----------------------
    
     <div class="dx-field-label">This month sales</div>
                <div class="dx-field-value">
                    <div data-bind="dxNumberBox: salesOptions"></div>
                </div>
    
    
    var totalproductQuantity = 30,
        salesValue = ko.observable(16),
        stockValue = ko.observable(14);
    
     salesOptions: {
            max: totalproductQuantity,
            min: 0,
            value: salesValue,
            showSpinButtons: true,
            onValueChanged: function() {
                stockValue(totalproductQuantity - salesValue());
            }
        },
    
    
    //----------------------文本框的属性----------------------
        readOnly: true,            //只读
            hoverStateEnabled: false       //鼠标移上去的状态(false 无)
            mode: "password",           //密码类型
            showClearButton: true          //文本是否可有清除按钮
        placeholder: "请输入文字"        //文本提示
        valueChangeEvent: "keyup",
        disabled: true        //整个文本框不可用,且无鼠标移上去的样式
    
    
    
    //----------------------下拉文本框----------------------
    <div class="dx-field-value">
          <div data-bind="dxSelectBox: simple"></div>
    </div>
    
    属性:
        displayExpr: "Name",
            valueExpr: "ID",
        value: products[3].ID,  //products 为datatsouse的名字
        openOnFieldClick: true,   //点击文本框出现下拉列表
            showDropButton: false,   //是否显示下拉列表的那个三角形的箭头(false  不出现)
    
    //此下拉列表可搜索,但下拉列表中没有的值,不会被查出,文本框也不会保留该不存在的值
     searchOptions: {
            items: products,
            displayExpr: "Name",
            valueExpr: "ID",
            searchEnabled: true
        },
    //同上相反
        fieldEditingOptions: {
            items: simpleProducts,
            value: currentProduct,
            acceptCustomValue: true,
        }
    
    
    
    //-----------------------2016年12月12----------------------------------
    
    1、html页面中div写了data-bind=“文本类型:取的名字”的话,在js中就要定义初始化   --->取的名字:ko.observable(0)/ko.observable(“”)/ko.observable([])
    
    2、有时html页面中可直接绑定数据源中的字段,直接显示(例:采购录入中的添加采购计划显示的库存数量及价格等等)格式: data-bind="text: $data.GOODSNAME"
    
    3、按钮的另一种写法: <div data-bind="dxButton: {
                                                     text: '加入预选计划',
                                                     type:'success',
                                                     onClick: $parent.addplane,
                                                     disabled:!$parent.BuyNumber.value(),
                                                     },
                             visible:$data.GENQTY">
                   </div>
                           <div data-bind="dxButton: {
                                                       text: '关闭商品详情',
                                                       type:'normal',
                                                       onClick: $parent.colsegoodsinfo,
                                                       }">
                    </div>
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  • 原文地址:https://www.cnblogs.com/dfxyw/p/6178250.html
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