refresh頭實現定時刷新到某個頁面.

import java.io.IOException;
import java.text.DateFormat;
import java.util.Date;


import javax.servlet.*;
import javax.servlet.http.*;
public class RefreshServelet extends HttpServlet {
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		//refresh頭實現定時刷新到某個頁面.
		//一般可用作定時刷新,
		//應用:股票,聊天室,

		response.setHeader("Refresh", "0");
		response.setContentType("text/html;charset=utf-8");
		response.getWriter().print("每秒刷新一次："+ new Date(System.currentTimeMillis()).toLocaleString());
		
	}
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
	}


}