   url: server_context+"/function_list_by_page?"+$("#function_form").serialize(),
                contentType: "application/json;charset=utf-8",
                dataType: "json",
                queryParams: function (params) {
                    // 此处使用了LayUi组件 是为加载层
                    //loadIndex = layer.load(1);
                    let resRepor = {
                        //服务端分页所需要的参数
                        limit: params.limit,
                        off