自己对基础知识有点忘记了，写下来当作备忘。
http://127.0.0.1/demoPro/wx/auth/view?custa=001&authb=2
System.out.println(request.getContextPath());// /wkwm System.out.println(request.getPathInfo());// null System.out.println(request.getPathTranslated());// null System.out.println(request.getQueryString()); // custNo=001&authType=2 System.out.println(request.getRequestURI());// /wkwm/wx/auth/view System.out.println(request.getRequestURL().toString());// http://192.168.2.78/wkwm/wx/auth/view System.out.println(request.getServletPath());// /wx/auth/view