.NET微信网页开发之网页授权获取用户基本信息

public class WeChatLogin : Controller
    {
        /// <summary>
        /// 获取微信网页授权access_token
        /// </summary>
        /// <param name="state">自定义参数</param>
        /// <param name="code">通过用户授权后得到的code</param>
        /// <returns></returns>
        public async Task<Response> GetWeChatAccessToken(string state, string code)
        {
            string appId = "YourAppId";
            string appSecret = "YourAppSecret";
            string requestUrl = $"https://api.weixin.qq.com/sns/oauth2/access_token?appid={appId}&secret={appSecret}&code={code}&grant_type=authorization_code";
            using (var httpClient = new HttpClient())
            {
                var httpRequest = new HttpRequestMessage(HttpMethod.Get, requestUrl);
                using (var response = await httpClient.SendAsync(httpRequest))
                {
                    if (response.IsSuccessStatusCode)
                    {
                        var responseString = await response.Content.ReadAsStringAsync();
                        var responseData = JsonConvert.DeserializeObject<WeChatTokenResponse>(responseString);
                        return new Response
                        {
                            Code = 1,
                            Message = responseData.AccessToken
                        };
                    }
                    else
                    {
                        var errorResponseString = await response.Content.ReadAsStringAsync();
                        var errorData = JsonConvert.DeserializeObject<ErrorResponse>(errorResponseString);
                        return new Response
                        {
                            Code = 0,
                            Message = $"Failed to get access token: {errorData.ErrMsg}"
                        };
                    }
                }
            }
        }
    }
    public class WeChatTokenResponse
    {
        [JsonProperty("access_token")]
        public string AccessToken { get; set; }
        [JsonProperty("expires_in")]
        public int ExpiresIn { get; set; }
        [JsonProperty("refresh_token")]
        public string RefreshToken { get; set; }
        [JsonProperty("openid")]
        public string OpenId { get; set; }
        [JsonProperty("scope")]
        public string Scope { get; set; }
        [JsonProperty("is_snapshotuser")]
        public int IsSnapshotUser { get; set; }
        [JsonProperty("unionid")]
        public string UnionId { get; set; }
    }
    public class ErrorResponse
    {
        [JsonProperty("errcode")]
        public int ErrCode { get; set; }
        [JsonProperty("errmsg")]
        public string ErrMsg { get; set; }
    }

public class WeChatLogin : Controller
    {
        /// <summary>
        /// 用户信息获取
        /// </summary>
        /// <param name="accessToken"> 网页授权接口调用凭证,注意：此access_token与基础支持的access_token不同</param>
        /// <param name="openId">用户的唯一标识</param>
        /// <returns></returns>
        public async Task<Response> GetWeChatUserInfo(string accessToken, string openId)
        {
            string requestUrl = $"https://api.weixin.qq.com/sns/userinfo?access_token={accessToken}&openid={openId}&lang=zh_CN";
            using (var httpClient = new HttpClient())
            {
                var request = new HttpRequestMessage(HttpMethod.Get, requestUrl);
                var response = await httpClient.SendAsync(request);
                if (response.IsSuccessStatusCode)
                {
                    var responseString = await response.Content.ReadAsStringAsync();
                    var responseData = JsonConvert.DeserializeObject<WeChatUserInfoResponse>(responseString);
                    return new Response
                    {
                        Code = 1,
                        Message = $"Nickname: {responseData.Nickname}, Province: {responseData.Province}, City: {responseData.City}"
                    };
                }
                else
                {
                    var errorResponseString = await response.Content.ReadAsStringAsync();
                    var errorData = JsonConvert.DeserializeObject<ErrorResponse>(errorResponseString);
                    return new Response
                    {
                        Code = 0,
                        Message = $"Failed to get user info: {errorData.ErrMsg}"
                    };
                }
            }
        }
        public class WeChatUserInfoResponse
        {
            [JsonProperty("openid")]
            public string OpenId { get; set; }
            [JsonProperty("nickname")]
            public string Nickname { get; set; }
            [JsonProperty("sex")]
            public int Sex { get; set; }
            [JsonProperty("province")]
            public string Province { get; set; }
            [JsonProperty("city")]
            public string City { get; set; }
            [JsonProperty("country")]
            public string Country { get; set; }
            [JsonProperty("headimgurl")]
            public string HeadImgUrl { get; set; }
            [JsonProperty("privilege")]
            public List<string> Privilege { get; set; }
            [JsonProperty("unionid")]
            public string UnionId { get; set; }
        }
        public class ErrorResponse
        {
            [JsonProperty("errcode")]
            public int ErrCode { get; set; }
            [JsonProperty("errmsg")]
            public string ErrMsg { get; set; }
        }
    }