public class RequestOtherMethod extends HttpServlet {

@Override

protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

//获取请求的URL

StringBuffer requestURL = req.getRequestURL();

//http://localhost:8080/requestOtherMethod_war_exploded/other

System.out.println("requestURL=="+requestURL);

//获取请求的URI: URL去掉请求协议及主机后的剩余部分

String requestURI = req.getRequestURI();

///requestOtherMethod_war_exploded/other

System.out.println("requestURI=="+requestURI);

//获取当前Web应用的根路径 (重点)

String contextPath = req.getContextPath();

System.out.println("contextPath=="+contextPath);

//获取客户端IP

String clientIP=req.getRemoteAddr();

System.out.println("clientIP=="+clientIP);

//获取servlert xml中 url-patten 的精确部分

String servletPath = req.getServletPath();

// servletPath/other

System.out.println("servletPath=="+servletPath);

//获取servlet xml中 url-patten 的 通配符部分

String pathInfo = req.getPathInfo();

// pathInfo = null

System.out.println("pathInfo =="+pathInfo);

}

}