layui type2 通过url给iframe子页面传值的例子

 layui.use(["layer"], function () {
          layui.layer.open({
            type: 2,
            title: "管理角色拥有的部门",
            btn: ["确定修改", "关闭"],
            content: '@Url.Content("~/Role/UserRoleView?rid=")'+a[0].ID + '&uid=' + a[0].UID,//这里指向office
            btn1: function (index, layero) {
              //获取子页面数据
              var body = layer.getChildFrame('body', index);
              var addData = body.find("#listFalse li");
              console.log(addData);
              var delData = body.find("#listTrue li")
              console.log(delData);
              if (addData.length==0&&delData.length==0) {
                layui.layer.closeAll();
                layui.layer.msg("没有做任何修改！");
                return false;
              } else {
                var url = '@Url.Content("~/Role/AddRemoveUsers2Role")';
                if ($(addData).find("span").length != 0) {
                  var data = getListData(addData);
                  $.ajax({
                    type: "post",
                    url: url,
                    data: { "rid": a[0].ID, "uids": data },
                    success: function (rst) {
                      layui.layer.closeAll();
                      layui.layer.msg("添加用户成功，其用户名分别为：" + data.toString());
 
                    }
                  })
                };
                if ($(delData).find("span").length != 0) {
                  var data = getListData(delData);
                  $.ajax({
                    type: "post",
                    url: url,
                    data: { "rid": a[0].ID, "uids": data ,"Add":"false"},
                    success: function (rst) {
                      layui.layer.closeAll();
                      layui.layer.msg("删除用户成功，其用户名分别为：" + data.toString());
                    }
                  })
                }
              }
            },
            btn2: function () {
              layui.layer.closeAll();
            }
 
          })
        })

  //页面初始化
 
  $(function () {
    var oid = args().oid;//获取父页面oid
  })
  //获取index传参rid args为传递过来的所有参数，类型为OBJDECT，调用为args();
    var args = function(params){
      var a = {};
      params = params || location.search;
      if(!params) return {};
      params = decodeURI(params);
      params.replace(/(?:^\?|&)([^=&]+)(?:\=)([^=&]+)(?=&|$)/g,function(m,k,v){ a[k] = v; });
      return a;
    };