table中添加下拉框

   {
                     file: 'usename',
                     title: '下发用户',
                     width:"20%",
                     align: 'center',
                     templet: function (d) {
                         var test = '<select style="border:solid 1px #009688;color:#009688; width:82px; border-radius:5px;padding-left:15px;" lay-ignore class="selData">'
                         for (var j = 0; j < d.cmdbUsers.length; j++) {
                             if (j == 0) {
                                 test += '<option value="' + d.cmdbUsers[j].id + '" selected>' + d.cmdbUsers[j].userName + '</option>';
                             } else {
                                 test += '<option value="' + d.cmdbUsers[j].id + '">' + d.cmdbUsers[j].userName + '</option>';
                             }
                         }
                         test += ' </select>';
                         return test;
                     }
                 }