/// <summary> /// /// </summary> /// <param name="signature"></param> /// <param name="timestamp"></param> /// <param name="nonce"></param> /// <param name="echostr"></param> /// <returns></returns> [HttpGet] [ActionName("Index")] public ActionResult Index(string signature, string timestamp, string nonce, string echostr) { if (CheckSignature.Check(signature, timestamp, nonce, Token)) { return Content(echostr); //返回随机字符串则表示验证通过 } else { return Content("failed:" + signature + "," + CheckSignature.GetSignature(timestamp, nonce, Token) + "。如果您在浏览器中看到这条信息，表明此Url可以填入微信后台。"); } }