使用Servlet实现自动刷新功能，每一秒钟在浏览器输出一个随机数字。
package chensi.com; import java.io.IOException; import java.util.Random; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet Servlet实现自动刷新 功能(每秒钟在页面 输出一个数字) */ @WebServlet("/ResponseDemo9") public class ResponseDemo9 extends HttpServlet { private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //设置一下自动刷新 功能 response.setIntHeader("refresh", 1); //这个是设置1秒自动刷新
Random r = new Random(); System.out.println(r.nextInt(10)+1); response.getWriter().write(r.nextInt(10)+1+""); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); } }