package web;

import java.io.IOException;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Enumeration;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class RequestInfo extends HttpServlet {

	public void service(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
		//获取所有消息头信息
		Enumeration e = request.getHeaderNames();
		 while(e.hasMoreElements()){
			 //Enumeration 
			 String headerName = e.nextElement().toString();
			 System.out.println(headerName+":"+request.getHeader(headerName));
		 }
		 response.setContentType("text/html;charset=utf-8");
		 PrintWriter out = response.getWriter();
		 Date date = new Date();
		 SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		 String thisdate = sf.format(date);
		 out.println(thisdate);
		 out.close();
		 System.out.println("请求方式:"+request.getMethod());
		 System.out.println("请求的协议种类:"+request.getProtocol());
		 System.out.println("请求资源路径:"+request.getRequestURI());
		 System.out.println("请求Servlet路径:"+request.getServletPath());
		}
	}