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                ??一站式輕松地調用各大LLM模型接口,支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻 廣告
                **微信企業號開發,需要調用微信企業號的相關接口,則必須使用AccessToken,但AccessToken需要corpid,corpsecret兩個參數調用相關接口才能獲取。** **而且每一個接口都有一定的次數限制,當然獲取AccessToken的接口也有這個限制。每一個AccessToken的有效期為7200秒,也就是兩個小時,在有效期內調用接口,則自動續期。因此建議在獲取到AccessToken后,保存在在某一個地方,等到快過期時在重新獲取。其實AccessToken有點類似于web程序中的session,這個有效期7200秒相當于session的有效期,調用接口,則自動續期,就相當于web程序中用戶登陸后,和服務端有交互,session的有效期自然延長了。** 核心代碼AccessTokenInfo類: ~~~ public class AccessTokenInfo { /// <summary> /// access_token /// </summary> public string access_token { get; set; } /// <summary> /// 憑證有效時間,單位:秒 /// </summary> public long expires_in { get; set; } /// <summary> /// 獲取時間 /// </summary> public DateTime GetTime { get; set; } } ~~~ BLLAccessToken類 ~~~ /// <summary> /// 獲取企業登陸access_token /// </summary> public static class BLLAccessToken { static AccessTokenInfo TokenInfo = null; public static string GetAccessToken() { string AccessToken = ""; DateTime now=DateTime.Now; if (TokenInfo == null) //首次獲取 { TokenInfo = UpDateAccessToken(); } else { if (TokenInfo.GetTime.AddSeconds(TokenInfo.expires_in - 30) < now) //提前30秒重新獲取 { TokenInfo = UpDateAccessToken(); } } AccessToken = TokenInfo.access_token; return AccessToken; } private static AccessTokenInfo UpDateAccessToken() { string CorpId = AppIdInfo.GetCorpId();//corpid string Secret = AppIdInfo.GetSecret(); //corpsecret AccessTokenInfo info = new AccessTokenInfo(); WebUtils ut = new WebUtils(); /// https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=wxb7f1db8fd6aa9d68&corpsecret=aoxZ7D5-SgLRUbKY2fwQykW36RqxoIdNIn1pIiGy9iSdXgMHwQCzUsniQVAsBCTt string urlFormat = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid={0}&corpsecret={1}"; var url = string.Format(urlFormat, CorpId, Secret); string temp = ut.DoGet(url); try { AccessTokenInfo tempAccessTokenjson = Tools.JsonStringToObj<AccessTokenInfo>(temp); info.access_token = tempAccessTokenjson.access_token; info.expires_in = tempAccessTokenjson.expires_in; info.GetTime = DateTime.Now; } catch(Exception ex) { LogInfo.Error("獲取AccessToken異常", ex); } return info; } } ~~~ [微信企業號開發:常用的參數](http://blog.csdn.net/xuexiaodong009/article/details/46906867) [微信企業號開發:corpsecret到底在哪塊呢?](http://blog.csdn.net/xuexiaodong009/article/details/46895401) [獲取AccessToken官方文檔](http://qydev.weixin.qq.com/wiki/index.php?title=%E4%B8%BB%E5%8A%A8%E8%B0%83%E7%94%A8)
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