public UploadResult upload(MediaType type, string fileName)
{
var url = string.Format("http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token={0}&type={1}", weixin.token(), type);
var webClient = new WebClient();
var bytes = webClient.UploadFile(url, fileName);
var json = System.Text.Encoding.UTF8.GetString(bytes);
return(weixin.Deserialize(json, new UploadResult()));
}
/// <summary>
/// 根据分组进行群发【订阅号与服务号认证后均可用】
/// </summary>
public string sendall(string mediaIdOrContent, MessageType msgtype, string group_id)
{
object filter;
if (!string.IsNullOrEmpty(group_id))
{
filter = new { is_to_all = false, group_id };
}
else
{
filter = new { is_to_all = true };
}
object obj;
switch (msgtype)
{
case MessageType.mpnews:
obj = new
{
filter,
mpnews = new { media_id = mediaIdOrContent },
msgtype
};
break;
case MessageType.text:
obj = new
{
filter,
text = new { content = mediaIdOrContent },
msgtype
};
break;
case MessageType.voice:
obj = new
{
filter,
voice = new { media_id = mediaIdOrContent },
msgtype
};
break;
case MessageType.image:
obj = new
{
filter,
image = new { media_id = mediaIdOrContent },
msgtype
};
break;
default:
var msg = string.Format("'{0}' is a unknown media type", msgtype);
throw Error.ArugmentNull(msg);
}
var serial = new System.Web.Script.Serialization.JavaScriptSerializer();
var data = serial.Serialize(obj);
var url = "message/mass/sendall?access_token=" + weixin.token();
var json = weixin.GetJson(url, data);
var dic = weixin.Deserialize(json, new { msg_id = "" });
return(dic.msg_id);
}