jsp和servlet中实现页面跳转的方式实例总结

2020-07-27 21:29:14

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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:

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, HttpServletResponse response)  throws ServletException, 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, HttpServletResponse response)  throws ServletException, IOException { String id = request.getParameter("id"); response.setContentType("text/html; charset=gb2312");  response.sendRedirect("test/test2.jsp"); } public void doPost(HttpServletRequest request, HttpServletResponse response)  throws ServletException, IOException { doGet(request, response); }}

希望本文所述对大家JSP程序设计有所帮助。

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