$(document).ready(function(){

        var treeObj = $("#treeDemo");

        $.fn.zTree.init(treeObj, setting, zNodes);

        department_select();//页面加载完成执行方法

    });

            /*ztree实现下拉菜单*/

    var setting = {

        data: {

            simpleData: {

                enable: true,

                idKey: "id",

                pIdKey: "pId",

                rootPId: 0

            }

        }

    };

            /*通过查询area确定区域，根据区域id确定下面的部门*/

            /*将数据库里面的部门信息查询出来，循环显示出来*/

    /*获取区域id和区域名称*/

    var arr_areaid = Array();

    var arr_areaname = Array();

    var url="{:U('area/select_area')}";//ajax传值路径

    $.ajax({

        type:'post',

        data:"",

        url:url,

        async:false,//设置ajax同步和 异步，如果想在ajax外面用数据，需要将其设置为同步，运行完成之后才能用数据

        dataType:"json",

        success: function (data) {

            for(var i = 0;i < data.length;i++){

                arr_areaid[i] = data[i].areaid;

                arr_areaname[i] = data[i].areaname;

            }

        }

    });

//    console.log("!!!"+arr_areaid);//区域id

//    console.log("!!!"+arr_areaname);//区域名称

    /*获取部门名称以及所属于的区域id*/

    var arr_departmentname = Array();

    var arr_department_areaid = Array();

    var url="{:U('department/select_department')}";//ajax传值路径

    $.ajax({

        type:'post',

        data:"",

        url:url,

        async:false,

        dataType:"json",

        success: function (data) {

            for(var i = 0;i < data.length;i++){

                arr_departmentname[i] = data[i].departmentname;

                arr_department_areaid[i] = data[i].areaid

            }

        }

    });

//    console.log(arr_departmentname);

//    console.log(arr_department_areaid);

    var zNodes =[];

    for(var i = 0;i < arr_areaid.length;i++){

        zNodes.push({ id:arr_areaid[i], pId:0, name:arr_areaname[i], open:true,iconClose:"__PUBLIC__img/user/12.png",iconOpen:"__PUBLIC__img/user/13.png"});

        for(var j = 0;j < arr_departmentname.length;j++){

            if(arr_areaid[i] == arr_department_areaid[j]){

                zNodes.push({ id:(""+i+13+j), pId:arr_areaid[i], name:arr_departmentname[j],icon:"__PUBLIC__img/user/14.png"}) ;

            }

        }

    }