jsp和servlet中实现页面跳转的方式实例总结
发布时间:2020-12-14 19:57:31 所属栏目:Java 来源:网络整理
导读:本文实例总结了jsp和servlet中实现页面跳转的方式。供大家参考研究具体如下: 假设要求从test1.jsp 跳转到test2.jsp 一. jsp中跳转: 1. 使用RequestDispatcher.forward方法转发 % RequestDispatcher rd = getServletContext().getRequestDispatcher
本文实例总结了jsp和servlet中实现页面跳转的方式。分享给大家供大家参考,具体如下: 假设要求从test1.jsp 跳转到test2.jsp 一. jsp中跳转: 1. 使用RequestDispatcher.forward方法转发 <% RequestDispatcher rd = getServletContext().getRequestDispatcher("/test/test2.jsp"); rd.forward(request,response); %> 2. response.sendRedirect 重定向 <% response.sendRedirect("test2.jsp"); %> 3. 使用forward标签 复制代码 代码如下: <jsp:forward page="test2.jsp"/>
4. html标记中的meta标记 复制代码 代码如下: <meta http-equiv="refresh" content="0; url=test2.jsp">
5. 使用response.setHeader <% int stayTime=0; String URL="test2.jsp"; String content=stayTime+";URL="+URL; response.setHeader("REFRESH",content); %> 6. 使用response.setHeader和response.setStatus 发送重定向请求 <% response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY); String newLocation = "test2.jsp"; response.setHeader("Location",newLocation); %> 7. 使用javascript脚本 <script type="text/javascript"> window.location.href="test2.jsp"; </script> 二. servlet中跳转: 假设 从 servlet中跳转到test2.jsp 1. forward ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/test/test2.jsp"); //定向的页面 rd.forward(request,response); public class ForwardServlet extends HttpServlet { public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException { String id = request.getParameter("id"); response.setContentType("text/html; charset=gb2312"); ServletContext sc = getServletContext(); RequestDispatcher rd = sc.getRequestDispatcher("/test/test2.jsp"); //定向的页面 rd.forward(request,response); } public void doPost(HttpServletRequest request,IOException { doGet(request,response); } } 2. sendRedirect package com.yanek.test; import java.io.IOException; import javax.servlet.RequestDispatcher; import javax.servlet.ServletContext; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class RedirectServlet extends HttpServlet { public void doGet(HttpServletRequest request,IOException { String id = request.getParameter("id"); response.setContentType("text/html; charset=gb2312"); response.sendRedirect("test/test2.jsp"); } public void doPost(HttpServletRequest request,response); } } 希望本文所述对大家JSP程序设计有所帮助。 您可能感兴趣的文章:
(编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |