/// <summary> /// 驗證微信簽名 /// </summary> /// <returns></returns> /// * 將token、timestamp、nonce三個參數(shù)進(jìn)行字典序排序 /// * 將三個參數(shù)字符串拼接成一個字符串進(jìn)行sha1加密 /// * 開發(fā)者獲得加密后的字符串可與signature對比，標(biāo)識該請求來源于微信。 private bool CheckSignature() { var token = "token";  var signature = HttpContext.Current.Request.QueryString["signature"]; var timestamp = HttpContext.Current.Request.QueryString["timestamp"]; var nonce = HttpContext.Current.Request.QueryString["nonce"]; var echostr = HttpContext.Current.Request.QueryString["echostr"]; string[] ArrTmp = { token, timestamp, nonce }; Array.Sort(ArrTmp); //字典排序 var tmpStr = string.Join("", ArrTmp); tmpStr = FormsAuthentication.HashPasswordForStoringInConfigFile(tmpStr, "SHA1");//加密方式 if (tmpStr.ToLower() == signature) { return true; } return false; }