/// <summary>
/// 主动给用户发消息（用户）
/// </summary>
/// <param name="msg"></param>
/// <param name="access_token">access_token</param>
/// <returns>errcode=0为成功</returns>
public static ReturnCode SendMsg(SendBaseMsg msg, string access_token)
{
string url = "https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=" + access_token;
var json = msg.GetJSON();
var retJson = Util.HttpPost2(url, json);
return(Util.JsonTo <ReturnCode>(retJson));
}
/// <summary>
/// 主动给用户发消息（用户）,用会SetGlobalCredential方法设置的appId和appSecret来得到access_token
/// </summary>
/// <param name="msg"></param>
/// <returns></returns>
public static ReturnCode SendMsg(SendBaseMsg msg)
{
CheckGlobalCredential();
return(SendMsg(msg, AppID, AppSecret));
}