公司内部系统asp.net要一个接口与钉钉对接实现向用户发送消息如何做到
System.Net.HttpWebRequest request=(System.Net.HttpWebRequest)WebRequest.Create(Url);request.Method="post;request.ContentType="application/json;charset=UTF-8;byte[]payload;payload=System.Text.Encoding.UTF8.GetBytes(param);...