src/org/nutz/mvc/Mvcs.java
public static RequestPath getRequestPathObject(HttpServletRequest req) {
        String url = req.getPathInfo();
        if (null == url)
            url = req.getServletPath();
        return getRequestPathObject(url);
    }
public static RequestPath getRequestPathObject(HttpServletRequest req) {
        String url = req.getPathInfo();
        if (null == url)
            url = req.getServletPath();
        return getRequestPathObject(url);
    }
获取当前请求的路径，并去掉后缀

@param req
HTTP 请求对象