http协议之response案例一：请求重定向

package zdh.cm.response;
/**
* 请求重定向
*/
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 ResponseDemo2 extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}

public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//请求重定向
/*//1，设置302状态码
response.setStatus(302);
//2，将响应头中的location地址改为需要重定向的地址
response.setHeader("location", "/Http/downing.html");
*/
//也可以直接使用下面的方法
//此方法中已经将上两句代码包含在里面。
response.sendRedirect("/Http/form.html");

}

}