/// <summary>
/// 获取公众号的AccessToken
/// </summary>
/// <returns>微信提供的AccessToken</returns>
public string GetAccessToken()
{
if (WeChatConfig == null)
{
throw new NullReferenceException("请使用构造ConnectLinkUp(idOrAppId)，或初始化Initialize(idOrAppId)");
}
string accessToken = String.Empty;
//先从数据库获取Access_Token，如果不存在或已过期，则重新跟微信拿Access_Token
string appId = WeChatConfig.AppID;
string accessTokenKey = string.Format(RedisKeyPrefix.WECHAT_ACCESS_TOKEN, appId);
string updateTokenKey = string.Format(RedisKeyPrefix.WECHAT_TOKEN_CONCURRENT, appId);
do
{
if ("Concurrent".Equals(accessToken))
{
SystemLogHelper.Info(MethodBase.GetCurrentMethod(), "GetAccessToken(),已有线程直接去微信获取AccessToken，在此等待");
Thread.Sleep(500);//发生并发的线程需要回到这里，等待单线程更新完成
}
AccessToken wechatAccessToken = redisHelper.StringGet <AccessToken>(accessTokenKey);
if (wechatAccessToken != null)
{
accessToken = wechatAccessToken.access_token;
}
else//Redis里面的Token已经失效，需要单线程去更新Token
{
accessToken = ConcurrentControl.SingleUserFunc(updateTokenKey, "Concurrent", () =>
{
SystemLogHelper.Info(MethodBase.GetCurrentMethod(), "获取公众号的AccessToken,GetAccessToken(),直接去微信获取AccessToken");
return(GetWeChatAccessToken());
});
}
} while ("Concurrent".Equals(accessToken));
return(accessToken);
}
/// <summary>
/// 保存笑话数据集合
/// </summary>
/// <param name="jokeInfoDtos">多个笑话数据的集合</param>
/// <returns>保存成功的记录数</returns>
public int SaveRangeJokes(List <JokeInfoDto> jokeInfoDtos)
{
if (jokeInfoDtos == null || jokeInfoDtos.Count == 0)
{
return(0);
}
Guid firstId = jokeInfoDtos[0].Id;
string concurrencyKey = string.Format(RedisKeyPrefix.SAVE_JOKE_CONCURRENCY, firstId);
int saveResult = ConcurrentControl.SingleUserFunc(concurrencyKey, 0, () =>
{
List <JokeInfo> jokeInfoList = AutoMapperHelper.MapToList <JokeInfo>(jokeInfoDtos);
jokeInfoList.ForEach(joke =>
{
joke.CreateBy = nameof(SaveRangeJokes) + Thread.CurrentThread.ManagedThreadId;
joke.Version = SysConfigReader.Version;
});
int row = jokeInfoService.AddNeedJokeInfo(jokeInfoList);
return(row);
});
return(saveResult);
}