private void SendMail(User u, UserValidate uv) { string link = string.Format("http://{0}{1}", HttpContext.Current.Request.Url.Authority, UrlTo <UserController>(p => p.Active(uv.SerializeToString()))); string mail = string.Format("请点击以下链接或复制链接到浏览器里以完成用户注册:<br/>\n<a href=\"{0}\">{0}</a>", link); CommonHelper.SendMail(u.Email, mail); }