easyui下拉框获取值

function queryDes(){
        $(‘#des‘).combobox({ 
            url: ‘businessBaseInfo/queryDes.action‘,
            valueField:‘enmDatOpt‘,   //往后台传的值
            textField:‘enmDatDes‘    //前台下拉框显示的内容
         }); 
    }

[
    {
        "enmDatDes": "生猪代宰户",
        "enmDatOpt": "2001"
    },
    {
        "enmDatDes": "生猪经销商",
        "enmDatOpt": "2002"
    },
    {
        "enmDatDes": "活羊经销商",
        "enmDatOpt": "2022"
    },
    {
        "enmDatDes": "全部",
        "enmDatOpt": ""
    }
]

{
    "errorCode": 10000,
    "errorMsg": "操作成功",
    "list": [
        {
            "enmCnNam": "流通节点类型",
            "enmDatDes": "屠宰厂",
            "enmDatLen": "4",
            "enmDatOpt": "0001",
            "enmEnNam": "NODETYPE",
            "enmNo": "1",
            "sysId": "1000",
            "sysNam": "肉菜系统"
        },
        {
            "enmCnNam": "流通节点类型",
            "enmDatDes": "超市",
            "enmDatLen": "4",
            "enmDatOpt": "0004",
            "enmEnNam": "NODETYPE",
            "enmNo": "11",
            "sysId": "1000",
            "sysNam": "肉菜系统"
        },
        {
            "enmCnNam": "流通节点类型",
            "enmDatDes": "团体消费单位",
            "enmDatLen": "4",
            "enmDatOpt": "0005",
            "enmEnNam": "NODETYPE",
            "enmNo": "12",
            "sysId": "1000",
            "sysNam": "肉菜系统"
        }
    ]
}

　　　
　　　
　　　var StuArrayObjs = [];
     function queryDes(){
         $.ajax({
             url:‘common/findDicList?enmEnNam=NODETYPE‘,
             dataType:"json",
             type:"POST",
             success:function(data){
                 var obj = eval(data);
                 for(var i=0;i<obj.list.length;i++){
                     var StuArrayObj = {};
                     StuArrayObj["enmDatDes"] = obj.list[i].enmDatDes;
                     StuArrayObj["enmDatOpt"] = obj.list[i].enmDatOpt;
                     StuArrayObjs.push(StuArrayObj); 
                 }
                 
                 //var TeachCourseJsonString = JSON.stringify(StuArrayObjs); 注意这个，下拉框的数据不是要这个
                 
                 $(‘#des1‘).combobox({ 
                    data:StuArrayObjs,
                    valueField : ‘enmDatOpt‘,   //往后台传的值
                    textField : ‘enmDatDes‘    //前台下拉框显示的内容
                 });
             }
         });
         
    }