数据格式
data:[
{
    id: "a0a5c642e45c452b821d2f13c1ff2515", 
    label: "人力资源部",
    pid: "", 
    disabled: true, 
    children: [
        {
            children:[]
            disabled:true
            id:"e30b8078383d4ddd8ccc2ab4fd8c2b52"
            label:"张大三"
            pid:"a0a5c642e45c452b821d2f13c1ff2515"
        }
    ]
}
递归算法
var recursiveFunction = function(){
    var ul='';
    var appednMenu = function (data) {
        data.forEach(function (item) {
            if(item.deptChildList){
                ul+='<li>'+item.name+'<ul>';
                appednMenu(item.deptChildList);
                ul+='</ul>';
                for(var i in item.userChildList){
                ul += '<input type="checkbox" name="person" value="'+item.userChildList[i].id+'" title="'+item.userChildList[i].name+'" lay-skin="primary">';
            }
            ul+=  '</li>';
            }else {
                ul+='<li>'+item.name+'</li>';
            }
        })
    };
    appednMenu(res.data.departmentArray);
    $('.tree').html(ul);
};
recursiveFunction()