<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <
1.第一步获取前台DataGrid中的数据 var rows = $('#tb).datagrid("getRows"); if (rows.length == 0) { $("#ShowMsg").html("没有数据可供导出!"); return; } var columns = new Array();