<!--Demo: 微信服务号授权配置-->
<add key="CollectiveOAuth_WECHAT_MP_ClientId" value="wxer6785660834656" />
<add key="CollectiveOAuth_WECHAT_MP_ClientSecret" value="98967867678678678546434345344" />
<add key="CollectiveOAuth_WECHAT_MP_Scope" value="snsapi_userinfo" />
<add key="CollectiveOAuth_WECHAT_MP_RedirectUri" value="https://yours.domain.com/oauth2/callback?authSource=WECHAT_MP" />

// 创建授权request
var clientConfig = new ClientConfig();
clientConfig.clientId = AppSettingUtils.GetStrValue($"CollectiveOAuth_XXXXXX_ClientId");
clientConfig.clientSecret = AppSettingUtils.GetStrValue($"CollectiveOAuth_XXXXXX_ClientSecret");
clientConfig.redirectUri = AppSettingUtils.GetStrValue($"CollectiveOAuth_XXXXXX_RedirectUri");
clientConfig.scope = AppSettingUtils.GetStrValue($"CollectiveOAuth_XXXXXX_Scope");

AuthRequest authRequest = new GiteeAuthRequest(clientConfig);
// 生成授权页面
authRequest.authorize("state");
// 授权登录后会返回code（auth_code（仅限支付宝））、state，可以用AuthCallback类作为回调接口的参数
// 注：CollectiveOAuth默认保存state的时效为5分钟，5分钟内未使用则会自动清除过期的state
authRequest.login(callback);