Request对象和Response对象

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/mingming")
public class ServletDemo1 extends HttpServlet {
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
       //1.获取请求的方式 getMethod();
        String method = request.getMethod();
        System.out.println(method);
        //2.获得目录的路径 getContextPath（）；
        String contextPath = request.getContextPath();
        System.out.println(contextPath);
        //3.获取servlet路径 getServletPath（）；
        String servletPath = request.getServletPath();
        System.out.println(servletPath);
        //4.获得get请求参数 getQyeryString（）；
        String queryString = request.getQueryString();
        System.out.println(queryString);
        //5.获得请求的url  getRequestURl（）；/getRequestURL();第二种输出不完整
        String requestURI = request.getRequestURI();
        System.out.println(requestURI);
        //6.获得协议的版本 getProtocol();
        String protocol = request.getProtocol();
        System.out.println(protocol);
        //7.获得客户的IP getRemoteAddr（）
        String remoteAddr = request.getRemoteAddr();
        System.out.println(remoteAddr);
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        this.doPost(request,response);
    }
}