package test;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class UrlParseServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.getWriter().println(request.getRequestURL() + "<br>");
response.getWriter().println(request.getScheme() + "<br>");
response.getWriter().println(request.getServerName() + "<br>");
response.getWriter().println(request.getServerPort() + "<br>");
response.getWriter().println(request.getContextPath() + "<br>");
response.getWriter().println(request.getServletPath() + "<br>");
response.getWriter().println(request.getPathInfo() + "<br>");
response.getWriter().println(request.getQueryString() + "<br>");
}
}
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="
http://java.sun.com/xml/ns/j2ee" xmlns:xsi="
http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="
http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" version="2.4">
<servlet>
<servlet-name>UrlParseServlet</servlet-name>
<servlet-class>test.UrlParseServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>UrlParseServlet</servlet-name>
<url-pattern>/UrlParseServlet/*</url-pattern>
</servlet-mapping>
</web-app>
http://localhost:8080/test/UrlParseServlet/xxx?k=vhttp://localhost:8080/test/UrlParseServlet/xxxhttp
localhost
8080
/test
/UrlParseServlet
/xxx
k=v