效果图：

html

<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <title>Merge Cells for DataGrid - jQuery EasyUI Demo</title>

    <link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">

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

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

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

    <script type="text/javascript" src="../../jquery.easyui.min.js"></script>

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

</head>

<body>

    <h2>Merge Cells for DataGrid</h2>

    <p>Cells in DataGrid body can be merged.</p>

    <div style="margin:20px 0;"></div>

    <table class="easyui-datagrid" id="dg" title="Merge Cells for DataGrid" style="width:700px;height:250px"

            data-options="

                rownumbers: true,

                singleSelect: true,

                iconCls: 'icon-save',

                data:qyData,

                method: 'get',

                onLoadSuccess: onLoadSuccess

            ">

        <thead>

            <tr>

                <th data-options="field:'productid',width:100">Product</th>

                <th data-options="field:'productname',width:80">ProductName</th>

                <th data-options="field:'itemid',width:80">Item ID</th>

                <th data-options="field:'listprice',width:80,align:'right'">List Price</th>

                <th data-options="field:'unitcost',width:80,align:'right'">Unit Cost</th>

                <th data-options="field:'attr1',width:240">Attribute</th>

                <th data-options="field:'status',width:60,align:'center'">Status</th>

            </tr>

        </thead>

    </table>

    <input type="button" value="合并" id="mergeCells" onclick="hb()">

    <script type="text/javascript">

       var qyData = {"total":11,"rows":[

                {"productid":"d1","productname":"p1","unitcost":10.00,"status":"P","listprice":36.50,"attr1":"Large","itemid":"EST-1"},

                {"productid":"d1","productname":"p1","unitcost":10.00,"status":"P","listprice":18.50,"attr1":"Spotted Adult Female","itemid":"EST-10"},

                {"productid":"d1","productname":"p2","unitcost":10.00,"status":"P","listprice":38.50,"attr1":"Venomless","itemid":"EST-11"},

                {"productid":"d2","productname":"p2","unitcost":12.00,"status":"P","listprice":26.50,"attr1":"Rattleless","itemid":"EST-12"},

                {"productid":"d2","productname":"p2","unitcost":12.00,"status":"P","listprice":35.50,"attr1":"Green Adult","itemid":"EST-13"},

                {"productid":"d2","productname":"p2","unitcost":12.00,"status":"P","listprice":158.50,"attr1":"Tailless","itemid":"EST-14"},

                {"productid":"d3","productname":"p3","unitcost":14.00,"status":"P","listprice":83.50,"attr1":"With tail","itemid":"EST-15"},

                {"productid":"d3","productname":"p3","unitcost":14.00,"status":"P","listprice":23.50,"attr1":"Adult Female","itemid":"EST-16"},

                {"productid":"d5","productname":"p5"},

                {"productid":"d4","productname":"p2","unitcost":10.00,"status":"P","listprice":89.50,"attr1":"Adult Male","itemid":"EST-17"},

                {"productid":"d4","productname":"p2","unitcost":10.00,"status":"P","listprice":63.50,"attr1":"Adult Male","itemid":"EST-18"}

            ]}

        var jcData = [

            {"unitcost":10.00,"status":"P","listprice":36.50,"attr1":"Large","itemid":"EST-1"},

            {"unitcost":10.00,"status":"P","listprice":18.50,"attr1":"Spotted Adult Female","itemid":"EST-10"},

            {"unitcost":10.00,"status":"P","listprice":38.50,"attr1":"Venomless","itemid":"EST-11"},

            {"unitcost":12.00,"status":"P","listprice":26.50,"attr1":"Rattleless","itemid":"EST-12"}

        ]

        function onLoadSuccess(data){

            $(this).datagrid("autoMergeCellAndCells",['productid','productname']);

        }

        function hb(){

            var id = "d5";

            var data = $("#dg").datagrid('getData');

            var rows = data.rows;

            var total = data.total;

            var qFileds = ['productid','productname'];

            var qrow = {};

            var n = null;

            var d = 0;

            for(var i = 0;i<rows.length;i++){

               if(rows[i][qFileds[0]] == id){

                 if(n == null)  n = i;

                 d++;

               }

            }

            for(var i = 0;i<qFileds.length;i++){

                qrow[qFileds[i]] = rows[n][qFileds[i]];

            }

            var r = null;

            for(var i = 0;i<jcData.length;i++){

              //Array.prototype.push.apply(jcData[i], qrow);  //数组追加

              jcData[i] = $.extend({}, jcData[i],qrow);//json对象追加

              if(i == 0){

                 r = rows.splice(n,d,jcData[i]);//从n个位置，开始删除d个，并追加jcData

              }else{

                 r = rows.splice(n,0,jcData[i]);

              }

            }

            total = total - d + jcData.length;

            $("#dg").datagrid('loadData',{total:total,rows:rows})

        }

    </script>

</body>

</html>
 

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