easyui combobox 在datagrid中动态加载数据

场景：datagrid 中用编辑框修改数据，有一个列使用的combobox  在可编辑的时候需要动态绑定数据，这个数据是在根据其他条件可变的

思路：在每次开启编辑框的时候动态绑定数据，

datagrid开启

onClickCell: onClickCell//点击触发

onAfterEdit:onAfterEdit//编辑完单元格之后触发的事件

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$.extend($.fn.datagrid.methods, {        editCell: function (jq, param) {            return jq.each(function () {                var opts = $(this).datagrid('options');                var fields = $(this).datagrid('getColumnFields', true).concat($(this).datagrid('getColumnFields'));                for (var i = 0; i < fields.length; i++) {                    var col = $(this).datagrid('getColumnOption', fields[i]);                    col.editor1 = col.editor;                    if (fields[i] != param.field) {                        col.editor = null;                    }               }                $(this).datagrid('beginEdit', param.index);                for (var i = 0; i < fields.length; i++) {                    var col = $(this).datagrid('getColumnOption', fields[i]);                    col.editor = col.editor1;                }            });        }    });      var editIndex = undefined;    //判断是否编辑结束    function endEditing() {        if (editIndex == undefined) { return true }        if ($('#subDg').datagrid('validateRow', editIndex)) {            $('#subDg').datagrid('endEdit', editIndex);            editIndex = undefined;            return true;        } else {            return false;        }    }  //点击单元格触发的事件    function onClickCell(index, field) {       if (endEditing()) {            $('#subDg').datagrid('selectRow', index)                    .datagrid('editCell', { index: index, field: field });            editIndex = index;        }        var taskLevelsData =$("#taskLevels").val();          if(field=="taskLevel" && taskLevelsData){//下拉编辑列时触发           var editors = $('#subDg').datagrid('getEditors', index);//取当前的编辑器           var row = $('#subDg').datagrid('getRows')[index];           var smEditor = editors[0];           $(smEditor.target).combobox({                   onLoadSuccess: function () {                  },                   onShowPanel: function(){   //下拉展开时动态修改options                           //debugger                              var data = [];                              $.each(taskLevelsData.split(","),function(i,e){                                  var obj={};                                  obj.id=e;                                  obj.text=e;                                  data.push(obj);                              })                        $(smEditor.target).combobox("loadData", data);                       //设置值                                  $(smEditor.target).combobox('setValue', row.taskLevel);       //row的属性赋值                   }               });        }   }    //编辑完单元格之后触发的事件    function onAfterEdit(index, row, changes) {              var d = {};             d.id= row.id; 　　　　　  //编辑内容进行修改数据             if(row.hasOwnProperty('bidRequire')){                 d.bidRequire=row.bidRequire;             }if(row.hasOwnProperty('meaRequire')){                 d.meaRequire=row.meaRequire;             }if(row.hasOwnProperty('requireDate')){                 d.requireDate=row.requireDate.split(' ')[0] ;             }if(row.hasOwnProperty('quaRequire')){                 d.quaRequire=row.quaRequire;             }if(row.hasOwnProperty('taskLevel')){                 d.taskLevel=row.taskLevel;             }             //console.log(d);             //console.log(changes);             if(JSON.stringify(changes) != "{}"){                 //console.log("tijiao")                 $.post('${pmsmanager}/pms/mtrl_plan/mtrl_plan_detail/update.do?sessionId=${(sessionId)!""}',d,function(data){                 })             }                  }