請求行:
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();//獲取使用的HTTP方法; String URi = request.getRequestURI();//獲取請求中的資源名部分 String protocol = request.getProtocol();//獲得協議號 String queryString = request.getQueryString();//獲得查詢語句 String servletPath = request.getServletPath(); String contextpath = request.getContextPath();//獲得web應用路徑 PrintWriter out = response.getWriter(); out.println("<p>請求使用的http方法"+method+"</p>"); out.println("<p>請求行中的資源名部分"+URi+"</p>"); out.println("<p>請求使用的協議"+protocol+"</p>"); out.println("<p>查詢字符串"+queryString+"</p>"); out.println("<p>Servlet所映射的路徑"+servletPath+"</p>"); out.println("<p>請求資源所屬的WEb應用路徑"+contextpath+"</p>"); out.flush(); out.close(); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }