ServletRequest

package com.http.ServletRequest;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
//演示request的常用方法
/**
 * Servlet implementation class ServletRequest1
 */
@WebServlet("/ServletRequest1")
public class ServletRequest1 extends HttpServlet {
 private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ServletRequest1() {
        super();
        // TODO Auto-generated constructor stub
    }
 /**
  * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
  */
 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  
  response.setContentType("text/html;charset=utf-8");
  PrintWriter printWriter=response.getWriter();
  
  //常用方法
  //协议+服务器地址+端口号+工程名称+资源地址+参数
  String url=request.getRequestURL().toString();
  //工程名称+资源地址
  String uri=request.getRequestURI();
  //工程名称
  String contextpath=request.getContextPath();
  String encoding=request.getCharacterEncoding();
  String localIp=request.getLocalAddr();//服务器的IP
  int localpost=request.getLocalPort();//服务器的端口号
  String remoteIp=request.getRemoteAddr();//客户端的IP
  int remotePort=request.getRemotePort();//客户端的端口
  String qurey=request.getQueryString();
  String method=request.getMethod();
  printWriter.write("url:"+url+"<br>");
  printWriter.write("uri:"+uri+"<br>");
  printWriter.write("工程名称:"+contextpath+"<br>");
  printWriter.write("请求的编码:"+encoding+"<br>");
  printWriter.write("服务器的IP:"+localIp+"<br>");
  printWriter.write("服务器的端口号:"+localpost+"<br>");
  printWriter.write("客户端的IP:"+remoteIp+"<br>");
  printWriter.write("客户端的端口:"+remotePort+"<br>");
  printWriter.write("请求参数:"+qurey+"<br>");
  printWriter.write("请求方法:"+method+"<br>");
  
 }
 /**
  * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
  */
 protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  // TODO Auto-generated method stub
  doGet(request, response);
 }
}