import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class RequestLineServlet extends HttpServlet { @Override protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html; charset=GB2312"); PrintWriter out = response.getWriter(); out.println("getMethod:" + request.getMethod() + "<br>"); // 返回位于主机和端口之后、参数部分之前的那部分内容 out.println("getRequestURI:" + request.getRequestURI() + "<br>"); // 返回参数部分,无参数返回null out.println("getQueryString:" + request.getQueryString() + "<br>"); // 返回协议名和版本号 out.println("getProtocol:" + request.getProtocol() + "<br>"); // 返回Web应用程序的路径(虚拟目录),这个路径以“/”开头 out.println("getContextPath:" + request.getContextPath() + "<br>"); // 返回servlet映射的路径(web.xml的url-pattern属性) out.println("getServletPath:" + request.getServletPath() + "<br>"); } }
参考文献: http://my.oschina.net/u/1171518/blog/221452