java获取访问路径、域名、项目名、请求入参

String url = request.getScheme()+"://"+ request.getServerName()+request.getRequestURI()+"?"+request.getQueryString();

System.out.println("获取全路径（协议类型：//域名/项目名/命名空间/action名称?其他参数）url="+url);

String url2=request.getScheme()+"://"+ request.getServerName();//+request.getRequestURI();

System.out.println("协议名：//域名="+url2);

System.out.println(当前服务器的ip及端口号：" + request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort())；

System.out.println("获取项目名="+request.getContextPath());
System.out.println("获取参数="+request.getQueryString());
System.out.println("获取全路径="+request.getRequestURL());