servletdemo7代码：
package com.haidi8.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class servletdemo7 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
System.out.println("A:我有一个请求要处理");
System.out.println("B:你的请求我处理不了，已为你转其他应用处理");
//response.sendRedirect("/Httpservletresponde/servletdemo8");//实现效果与下面两行代码相同
response.setStatus(302);//告诉客户端要重新定向新的资源
response.setHeader("location", "/Httpservletresponde/servletdemo8");//告诉浏览器要访问的资源路经
System.out.println("A:正在转到其他应用处理中");
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
}
servletdemo8.java代码：
package com.haidi8.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class servletdemo8 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
System.out.println("C:你的请求我能处理");
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
}
}
web.xml代码：
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<display-name></display-name>
<servlet>
<servlet-name>servletdemo7</servlet-name>
<servlet-class>com.haidi8.servlet.servletdemo7</servlet-class>
</servlet>
<servlet>
<servlet-name>servletdemo8</servlet-name>
<servlet-class>com.haidi8.servlet.servletdemo8</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>servletdemo7</servlet-name>
<url-pattern>/servletdemo7</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>servletdemo8</servlet-name>
<url-pattern>/servletdemo8</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
运行效果：
访问servletdemo7后跳转到servletdemo8
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