正文
servlet-响应的定时刷新
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package servlet;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- 定时刷新
* @author Administrator
*
*/
public class ResponseDemo3 extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException { /*
* 定时刷新
* 原理：浏览器认识refresh头，得到refresh头之后重新请求当前资源
*/
//response.setHeader("refresh", "1"); // 每隔1秒刷新次页面 /*
* 隔n秒之后跳转另外的资源
*/
response.setHeader("refresh", "5, url=/day09/adv.html");
}}
