package request;

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;

/**

* @author ： CodeWater

* @create ：2022-03-13-16:20

* @Function Description ：

* 演示Request对象获取请求行

*/

@WebServlet("/requestDemo01")

public class RequestDemo01 extends HttpServlet {

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

}

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

/*

1. 获取请求方式 ：GET

* String getMethod()

2. (*)获取虚拟目录：/day14

* String getContextPath()

3. 获取Servlet路径: /requestDemo1

* String getServletPath()

4. 获取get方式请求参数：name=zhangsan:输入地址后要加？name=zhangsan

* String getQueryString()

5. (*)获取请求URI：/day14/demo1

* String getRequestURI(): /day14/requestDemo1

* StringBuffer getRequestURL() :http://localhost/day14/requestDemo1

6. 获取协议及版本：HTTP/1.1

* String getProtocol()

7. 获取客户机的IP地址：

* String getRemoteAddr()

*/

String method = request.getMethod();

System.out.println(method);

String contextPath = request.getContextPath();

System.out.println(contextPath);

String servletPath = request.getServletPath();

System.out.println(servletPath);

String queryString = request.getQueryString();

System.out.println(queryString);

String requestURI = request.getRequestURI();

StringBuffer requestURL = request.getRequestURL();

System.out.println(requestURI + "I-------L" + requestURL);

String protocol = request.getProtocol();

System.out.println(protocol);

String remoteAddr = request.getRemoteAddr();

System.out.println(remoteAddr);

}

}