比如说有这样的一个页面
test1.jsp
test2.jsp
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse resp = (HttpServletResponse) response;
String servletPath = req.getRequestURI()
String servletPath = req.getRequestURL()
得到的值为:req.getRequestURI()-----> /test/test.jsp
req.getRequestURL()-----> http://localhost:8080/test/test.jsp