1 public async Task<ActionResult> RedirectCallback(string state, string code = "", string appid = "", string clienturl = "") 2         { 3             if (code.Length == 0) 4             { 5                 if (clienturl.IndexOf("?") != -1) 6                     return Redirect(OAuthCallback + clienturl + "&errcode=-1&errmsg=" + HttpUtility.UrlEncode("用户禁止授权")); 7                 else 8                     return Redirect(OAuthCallback + clienturl + "?errcode=-1&errmsg=" + HttpUtility.UrlEncode("用户禁止授权")); 9             }10 11             var ticketValue = http://www.mamicode.com/"";12             string path = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"configs\WeChat.ThirdpartyPlatform.ComponentVerifyTicket.xml";13             using (StreamReader sr = new StreamReader(path, Encoding.UTF8))14             {15                 string txt = sr.ReadToEnd();16                 string[] lines = txt.Split("\r\n".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);17                 if (lines.Length == 4)18                     ticketValue = http://www.mamicode.com/lines[3];19             }20             var accessTokenValue = http://www.mamicode.com/await Authentication.GetComponentAccessToken(AppId, AppSecret, ticketValue);21             var jsonStr = await Util.HttpGetAsync("https://api.weixin.qq.com/sns/oauth2/component/access_token?appid=" + appid + "&code=" + code + "&grant_type=authorization_code&component_appid=" + AppId + "&component_access_token=" + accessTokenValue);22             //if (jsonStr.Contains("errcode"))23             //{24             //    response.Content = new StringContent(jsonStr, Encoding.UTF8, "text/html");25             //    return response;26             //}27             JObject result = Newtonsoft.Json.JsonConvert.DeserializeObject<JObject>(jsonStr);28             string openid = result["openid"].Value<string>();29             if (clienturl.IndexOf("?") != -1)30                 return Redirect(OAuthCallback + clienturl + "&errcode=0&openid=" + openid);31             else32                 return Redirect(OAuthCallback + clienturl + "?errcode=0&openid=" + openid);33         }