js----需优化

function createDataGrid(bdata){
 //拼装数据
 var zhibiao=condition.zhibiao;
 zxcolumns=["ROLE_NAME",zhibiao,"STEP_ID","RIGHTNUM","ERRNUM","USERABLE"];//表格列数
 var oneobj = bdata;
 var total=0;//列表总数
 objectAll=new Object();
 var tempmaps=[];
 var tempmap=new Object();
 total=bdata.length;
 for(key in  bdata){
  object=new Object();
  tempmap=bdata[key];
  //声明相应变量
  var ROLE_NAME=tempmap[0].ROLE_NAME;//赋值任务名称
  var sumzhibiao=0;
  var STEP_ID=tempmap[0].STEP_ID;
  var sumRIGHTNUM=0;
  var sumERRNUM=0;
  var sumUSERABLE=0;
  var len=tempmap.length;
  for(var i=0;i<tempmap.length;i++){
   sumzhibiao+=Number(tempmap[i][zhibiao]);
   sumRIGHTNUM+=Number(tempmap[i].RIGHTNUM);
   sumERRNUM+=Number(tempmap[i].ERRNUM);
   sumUSERABLE+=Number(tempmap[i].USERABLE);
  }
  object.ROLE_NAME=ROLE_NAME;
  object[zhibiao]=dataGridDou3(sumzhibiao/len);
  object.STEP_ID=STEP_ID;
  object.RIGHTNUM=dataGridDou3(sumRIGHTNUM/len);
  object.ERRNUM=dataGridDou3(sumERRNUM/len);
  object.USERABLE=dataGridDou3(sumUSERABLE/len);
  tempmaps.push(object);
 }
 //拼接表格
 $('#DataGrid').datagrid({
   //url:'datagrid_data1.json',
   columns:[[
    {field:'ROLE_NAME',title:'任务名称',width:180,sortable:true,height:100},
    {field:zhibiao,title:zhibiao,width:190,height:100},
    {field:'STEP_ID',title:'步骤',width:190,align:'right',height:100},
    {field:'RIGHTNUM',title:'有效监测(次)',width:190,align:'right',height:100},
    {field:'ERRNUM',title:'错误次数(次)',width:190,height:100},
    {field:'USERABLE',title:'可  用   性%',width:190,align:'center',height:100},
   ]]
   //$('#tt').datagrid('loadData', data); //将数据绑定到datagrid 
 });
 //动态载入数据
 var datasource = { total: total, rows: tempmaps};
 $("#DataGrid").datagrid('loadData', datasource);
}