java request获取相关路径

Request URL: http://localhost:8080/sanjuSCM/scmTruck/list.do?truckno=%E6%B2%AAF00000&companyid_Display=&companyid=

String u = request.getRequestURI();   /sanjuSCM/scmTruck/list.do

String u2 = request.getContextPath(); /sanjuSCM

String u3 = request.getPathInfo();  null
String u4 = request.getServletPath();  /scmTruck/list.do
String u5 = request.getRequestURL().toString();  http://localhost:8080/sanjuSCM/scmTruck/list.do
String u6 = request.getRequestURL().toString()+"?"+(StringUtils.isBlank(request.getQueryString())?"":request.getQueryString());  http://localhost:8080/sanjuSCM/scmTruck/list.do?truckno=%E6%B2%AAF00000&companyid_Display=&companyid=