/// <summary>
/// 创建卡券。
/// </summary>
/// <param name="model">卡券模型。</param>
/// <returns>卡券Id。</returns>
public string Create(CardModel model)
{
var url = "https://api.weixin.qq.com/card/create?access_token=" + _accountModel.GetAccessToken();
var type = GetCardTypeString(model.Type);
var postData = new
{
card = new
{
card_type = type
}
};
var postJson = JsonConvert.SerializeObject(postData);
var postObj = JObject.Parse(postJson);
postObj["card"][type.ToLower()] = JObject.Parse(JsonConvert.SerializeObject(model));
var content = postObj.ToString();
var json = WeiXinHttpHelper.PostString(url, Encoding.UTF8.GetBytes(content));
return JObject.Parse(json)["card_id"].Value<string>();
}