jsp和servlet中实现页面跳转的方式实例总结,jspservlet分享


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
代码如下:<jsp:forward page=”test2.jsp”/>

4. html标记中的meta标记
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, 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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