rt 郁闷 store 在接收json格式数据之后传进来的值没有进到store的data里面去 而是进到store的json里面去了 求大能帮助 ， 如下代码：
var cm=new Ext.grid.ColumnModel([
{ header: "ID",dataIndex:"ID",width:'100px'},
{ header: "用户ID",dataIndex:"USERID",width:'100px',hidden:true},
{ header: "用户",dataIndex:"USERNAME",width:'200px'},
{ header: "密码",dataIndex:"PASSWORD",width:'100px',hidden:true},
{ header: "公司ID",dataIndex:"COMPANYID",width:'100px',hidden:true},
{ header: "公司",dataIndex:"COMPANYNAME",width:'100px'},
{ header: "分组ID",dataIndex:"GROUPID",width:'100px',hidden:true},
{ header: "分组",dataIndex:"GROUPNAME",width:'100px'},
{ header: "职位角色ID",dataIndex:"ROLEID",width:'100px',hidden:true},
{ header: "职位角色",dataIndex:"ROLENAME",width:'100px'},
{ header: "工作职位",dataIndex:"DEPART",width:'100px'},
{ header: "备用",dataIndex:"IMEI",width:'100px'},
{ header: "手机",dataIndex:"MOB",width:'100px'},
{ header: "注册状态",dataIndex:"REGSTATUS",width:'100px',hidden:true},
{ header: "注册日期",dataIndex:"REGDATE",width:'100px'},
{ header: "电子邮件",dataIndex:"EMAIL",width:'100px'},
{ header: "备用",dataIndex:"UTYPE",width:'100px',hidden:true},
{ header: "创建人",dataIndex:"CREATER",width:'100px'},
{ header: "创建日期",dataIndex:"CREATEDATE",width:'100px'},
{ header: "性别",dataIndex:"SEX",width:'100px'},
{ header: "行政代码",dataIndex:"QU",width:'100px'},
{ header: "公司代码",dataIndex:"COMPANYCODE",width:'100px'}
]);
var store = new Ext.data.Store({
reader : new Ext.data.ArrayReader({},[
{name:'ID'},
{name:'USERID'},
{name:'USERNAME'},
{name:'PASSWORD'},
{name:'COMPANYID'},
{name:'COMPANYNAME'},
{name:'GROUPID'},
{name:'GROUPNAME'},
{name:'ROLEID'},
{name:'ROLENAME'},
{name:'DEPART'},
{name:'IMEI'},
{name:'MOB'},
{name:'REGSTATUS'},
{name:'REGDATE'},