/// <summary> /// 得到access_token /// </summary> /// <returns></returns> public static string GetAccessToken() { //判断当前cookie是否存在 HttpCookie accessTokenCookie = HttpContext.Current.Request.Cookies["access_token"]; if (accessTokenCookie == null || string.IsNullOrEmpty(accessTokenCookie.Value)) { AccessTokenJson token = GetWeChatToken(); if (token != null) { accessTokenCookie = new HttpCookie("access_token", token.access_token); accessTokenCookie.Expires = DateTime.Now.AddSeconds(token.expires_in); HttpContext.Current.Response.Cookies.Set(accessTokenCookie); return(token.access_token); } else { return(""); } } else { return(accessTokenCookie.Value); } }
/// <summary> /// 请求微信服务器得到access_token /// </summary> /// <returns></returns> private static AccessTokenJson GetWeChatToken() { try { string appId = ConfigurationManager.AppSettings["appid"]; string secret = ConfigurationManager.AppSettings["appsecret"]; string url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" + appId + "&secret=" + secret + ""; string result = GetRespone(url); AccessTokenJson json = result.DeserializeJson <AccessTokenJson>(); if (json == null) { return(null); } else { return(json); } } catch (Exception ex) { return(null); } }