private ThirdPartyAccessToken()
{
//尝试从数据库中恢复accessToken
_token = _thirdPartyManager.GetAccessToken();
if (_token == null || String.IsNullOrEmpty(_token.AccessToken) || _token.WillbeTimeout)
{
//初始化AccessToken
RequestAccessToken();
}
_timer = new Timer(TimerCallback, null, 0, 1000 * 60);
}
/// <summary>
/// 向服务器请求一个新的 accessToken
/// </summary>
private void RequestAccessToken()
{
WeixinThirdPartyGetAccessTokenArgs args = new WeixinThirdPartyGetAccessTokenArgs();
args.ComponentAppId = _configuration.ThirdParty.AppId;
args.ComponentAppSecret = _configuration.ThirdParty.AppSecret;
args.VerifyTicket = _thirdPartyAuthHandler.GetComponentVerifyTicket();
RequestApiResult <WeixinThirdPartyGetAccessTokenResult> result =
ThirdPartyApi.GetAccessToken(args);
if (result.Success)
{
_token = result.ApiResult;
//写数据库，用于启动时恢复
_thirdPartyManager.UpdateAccessToken(
_token.AccessToken, DateTime.Now.AddSeconds(_token.ExpiresIn));
}
else
{
_log.Write("ThirdPartyAccessToken.GetToken 失败", result.GetDetail(), TraceEventType.Error);
}
}
/// <summary>
/// 从数据库中取出平台自身的token
/// </summary>
public WeixinThirdPartyGetAccessTokenResult GetAccessToken()
{
DataTable dt = _dataBase.ExecuteDataSet(
"SELECT [AccessToken],[AccessTokenExpiryTime] FROM [ThirdParty]", new string[] { "table" }).Tables[0];
if (dt.Rows.Count == 0)
{
return(null);
}
WeixinThirdPartyGetAccessTokenResult token = new WeixinThirdPartyGetAccessTokenResult();
token.AccessToken = dt.Rows[0]["AccessToken"].ToString();
if (dt.Rows[0]["AccessTokenExpiryTime"] != null && dt.Rows[0]["AccessTokenExpiryTime"].ToString() != String.Empty)
{
token.AccessTokenExpiryTime = DateTime.Parse(dt.Rows[0]["AccessTokenExpiryTime"].ToString());
}
else
{
token.AccessTokenExpiryTime = DateTime.MinValue;
}
return(token);
}
