<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'MyJsp.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> <script type="text/javascript"> var flag = false; window.onbeforeunload = function(e) { var evt = e ? e : (window.event ? window.event : null); //此方法专门兼容firefox的解决方案 if (!flag) { //evt.returnValue = "离开会使编写的内容丢失。"; //evt.returnValue = destroysession();//这是可以使js函数 evt.returnValue = '1'; } }; </script> </head> <body> jack </body> </html>
时间: 2024-10-06 19:34:18