layui实现下拉复选功能的例子(包括数据的回显与上传)

//依赖资源





//页面显示


    角色：
    

       
       
    
  

//配置路径

layui.config({
    base: "${pageContext.request.contextPath }/src/layui-formSelects-master/dist/"    //formSelects-v4.js的路径
  }).extend({
    formSelects: 'formSelects-v4'
  }).use(['form','jquery','upload','layer','formSelects'],function(){
    var form =layui.form,$ =layui.jquery,upload=layui.upload,layer=layui.layer,formSelects=layui.formSelects;
//从后台数据库中查出后回显
    $.ajax({
      url: "${pageContext.request.contextPath}/menu/queryall.action",
      type: "post",
      success: function (data) {
        var str= '${sys_user.role_id}';
        str_arr= []; //str="1,2,3"
        str_arr= str.split(",");//获取那些该选中的数据
         for(var i=0;i