<table id="mainTable" name="mainTable" class="easyui-datagrid" title="附件" style="width: 99%;"                         data-options="rownumbers:true,singleSelect:true,url:'My_Homework_Detail_Atta.ashx?hid=<%=Request["id"] %>',method:'get' ">            <thead>                    <tr>                        <th data-options="field:'JSON_file_path',resizable:true,formatter:formatFileName

 function formatFileName(val, row) {             var strs = val.split("/");             var len = strs.length;             return '<a href="/'+val+'"> ' + strs[len-1] + ' </a>';         }

而實際這個欄位的值為：

School/HomeWork/HomeWork_Docs/7207/新建文字文件_2018102812944.txt

經過格式化後顯示為一個超連結。