layui进入页面就执行事件

layer.ready(function(){
         //获取已有数据
          getHadData();
          //回显已有数据
          listSerial = 1;
          var commodityTable = commodityTableHead;
          commodityTable = showHadData(commodityTable);
          //新加行
          commodityTable = addNewTr(commodityTable);
          //准备拼接结束
          commodityTable+="";
          $("#commodityTable").html(commodityTable);
          form.render();
      });