通过location响应头实现重定向

package day08;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * 案例【location+302】 请求重定向
 * @author mzy
 *
 */
public class ResponseDemo02 extends HttpServlet {

	private static final long serialVersionUID = 1288883616651269766L;

	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html;charset=utf-8");
		request.setCharacterEncoding("utf-8");
		// 设置302状态码
		response.setStatus(302);
		// 设置location响应头
		response.setHeader("location", "../adv.html");
		// 注意：一次重定向，向服务器发送两次请求

	}

	public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("text/html;charset=utf-8");
		request.setCharacterEncoding("utf-8");

	}

}