javaWeb HttpServletRequest接口

2024-12-07 技术教程

请求行：

package com.my.servlet; import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import java.net.URL; import javax.servlet.ServletConfig;import javax.servlet.ServletContext;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class ContextServlet */@WebServlet("/ContextServlet")public class ContextServlet extends HttpServlet {private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public ContextServlet() { super(); } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) */protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {response.setContentType("text/html;charset=UTF-8");String method = request.getMethod();//获取使用的HTTP方法；String URi = request.getRequestURI();//获取请求中的资源名部分String protocol = request.getProtocol();//获得协议号String queryString = request.getQueryString();//获得查询语句String servletPath = request.getServletPath();String contextpath = request.getContextPath();//获得web应用路径PrintWriter out = response.getWriter();out.println("请求使用的http方法"+method+"");out.println("请求行中的资源名部分"+URi+"");out.println("请求使用的协议"+protocol+"");out.println("查询字符串"+queryString+""); out.println("Servlet所映射的路径"+servletPath+"");out.println("请求资源所属的WEb应用路径"+contextpath+"");out.flush(); out.close();} protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }