HttpServletRequest 常用返回值类型

请求地址：http://localhost:8888/phoenix/attach/add

System.out.println("1 "+req.getLocalAddr());

System.out.println("2 "+req.getLocalName());

System.out.println("3 "+req.getLocalPort());

System.out.println("4 "+req.getPathInfo());

System.out.println("5 "+req.getPathTranslated());

System.out.println("6 "+req.getServerName());

System.out.println("7 "+req.getServerPort());

System.out.println("8 "+req.getServletPath());

System.out.println("9 "+req.getRequestURL());

输出：

1 0:0:0:0:0:0:0:1

2 [0:0:0:0:0:0:0:1]

3 8888

4 null

5 null

6 localhost

7 8888

8 /attach/add

9 http://localhost:8888/phoenix/attach/add