public async Task <string> Post(string signature, string timestamp, string nonce, string echostr)
{
if (!CheckSignature.Check(signature, timestamp, nonce, _token))
{
// 校验失败,不会对此作任何处理
return("");
}
var notifyContent = Request.Body.ToStr(Encoding.UTF8);
var dict = XmlUtil.FromXml(notifyContent);
if (dict["Event"].ToString() != WechatConstants.MESSAGE_SUBSCRIBE)
{
//不会对此作任何处理
return("");
}
var toUserName = dict["FromUserName"].ToString();
var fromUserName = dict["ToUserName"].ToString();
var dateTime = dict["CreateTime"].ToString();
var token = await _weChatHelper.GetAccessToken();
var content = await _weChatHelper.GetMaterial(token, _mediaId);
return(GenerateSendMessage.GenerateSendNewMessage(content, toUserName, fromUserName, dateTime));
}