添加项目文件。

QYZH.InteractiveMagazine.Service/WeChatMiniProgramService.cs

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+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using QYZH.InteractiveMagazine.Common.Helpers;
+using QYZH.InteractiveMagazine.IService;
+using QYZH.InteractiveMagazine.IService.Dto;
+using QYZH.InteractiveMagazine.Models.Common;
+using QYZH.InteractiveMagazine.Models.Settings;
+using QYZH.InteractiveMagazine.Infrastructure.Auth;
+
+namespace QYZH.InteractiveMagazine.Service;
+
+/// <summary>
+/// 微信小程序服务实现
+/// </summary>
+public class WeChatMiniProgramService : IWeChatMiniProgramService
+{
+    private readonly IConfiguration _configuration;
+    private readonly ILogger<WeChatMiniProgramService> _logger;
+    private const string Code2SessionUrl = "https://api.weixin.qq.com/sns/jscode2session";
+    private const string GetPhoneNumberUrl = "https://api.weixin.qq.com/wxa/business/getuserphonenumber";
+
+    /// <summary>
+    /// 构造函数
+    /// </summary>
+    /// <param name="configuration">配置</param>
+    /// <param name="logger">日志记录器</param>
+    public WeChatMiniProgramService(IConfiguration configuration, ILogger<WeChatMiniProgramService> logger)
+    {
+        _configuration = configuration;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// 微信登录
+    /// </summary>
+    /// <param name="code">微信登录凭证</param>
+    /// <returns>微信登录结果</returns>
+    public async Task<WeChatLoginOutput> WeChatLoginAsync(string code)
+    {
+        _logger.LogInformation("微信登录尝试，code: {Code}", code);
+
+        if (string.IsNullOrWhiteSpace(code))
+        {
+            throw new BusinessException("登录凭证不能为空", 400);
+        }
+
+        // 获取微信配置
+        var weChatSettings = GetWeChatSettings();
+
+        if (string.IsNullOrWhiteSpace(weChatSettings.AppId) || string.IsNullOrWhiteSpace(weChatSettings.AppSecret))
+        {
+            throw new BusinessException("微信配置不完整", 500);
+        }
+
+        // 演示版本：模拟调用微信code2session接口
+        var openId = await SimulateCode2SessionAsync(code, weChatSettings);
+
+        // 获取JWT配置并生成令牌
+        var jwtSettings = GetJwtSettings();
+        var token = JwtHelper.GenerateToken(1, "微信用户", jwtSettings);
+
+        _logger.LogInformation("微信登录成功，openId: {OpenId}", openId);
+
+        return new WeChatLoginOutput
+        {
+            Token = token,
+            UserId = 1,
+            UserName = "微信用户",
+            OpenId = openId
+        };
+    }
+
+    /// <summary>
+    /// 获取手机号
+    /// </summary>
+    /// <param name="code">获取手机号凭证</param>
+    /// <returns>手机号信息</returns>
+    public async Task<WeChatPhoneNumberOutput> GetPhoneNumberAsync(string code)
+    {
+        _logger.LogInformation("获取微信手机号尝试，code: {Code}", code);
+
+        if (string.IsNullOrWhiteSpace(code))
+        {
+            throw new BusinessException("获取手机号凭证不能为空", 400);
+        }
+
+        // 演示版本：模拟返回手机号
+        var phoneNumber = await SimulateGetPhoneNumberAsync(code);
+
+        _logger.LogInformation("获取微信手机号成功");
+
+        return new WeChatPhoneNumberOutput
+        {
+            PhoneNumber = phoneNumber
+        };
+    }
+
+    /// <summary>
+    /// 模拟调用微信code2session接口
+    /// </summary>
+    /// <param name="code">登录凭证</param>
+    /// <param name="weChatSettings">微信配置</param>
+    /// <returns>openId</returns>
+    private async Task<string> SimulateCode2SessionAsync(string code, WeChatSettings weChatSettings)
+    {
+        // 演示版本：模拟返回openId
+        // 实际实现应调用微信API：
+        // var url = $"{Code2SessionUrl}?appid={weChatSettings.AppId}&secret={weChatSettings.AppSecret}&js_code={code}&grant_type=authorization_code";
+        // var response = await HttpHelper.GetAsync<dynamic>(url);
+        // if (response?.errcode == 0) return response.openid;
+
+        await Task.Delay(100); // 模拟网络请求延迟
+
+        return $"demo_openid_{code.GetHashCode():X}";
+    }
+
+    /// <summary>
+    /// 模拟调用微信获取手机号接口
+    /// </summary>
+    /// <param name="code">获取手机号凭证</param>
+    /// <returns>手机号</returns>
+    private async Task<string> SimulateGetPhoneNumberAsync(string code)
+    {
+        // 演示版本：模拟返回手机号
+        // 实际实现应调用微信API获取access_token，然后调用获取手机号接口：
+        // var tokenUrl = $"https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={appId}&secret={appSecret}";
+        // var tokenResponse = await HttpHelper.GetAsync<dynamic>(tokenUrl);
+        // var accessToken = tokenResponse.access_token;
+        // var phoneUrl = $"{GetPhoneNumberUrl}?access_token={accessToken}";
+        // var phoneResponse = await HttpHelper.PostAsync<dynamic>(phoneUrl, new { code });
+
+        await Task.Delay(100); // 模拟网络请求延迟
+
+        return "13800138000";
+    }
+
+    /// <summary>
+    /// 获取微信配置
+    /// </summary>
+    /// <returns>微信配置对象</returns>
+    private WeChatSettings GetWeChatSettings()
+    {
+        return _configuration.GetSection("WeChatSettings").Get<WeChatSettings>()
+            ?? new WeChatSettings
+            {
+                AppId = "demo_app_id",
+                AppSecret = "demo_app_secret"
+            };
+    }
+
+    /// <summary>
+    /// 获取JWT配置
+    /// </summary>
+    /// <returns>JWT配置对象</returns>
+    private JwtSettings GetJwtSettings()
+    {
+        return _configuration.GetSection("JwtSettings").Get<JwtSettings>()
+            ?? new JwtSettings
+            {
+                Issuer = "QYZH.InteractiveMagazine",
+                Audience = "QYZH.InteractiveMagazine.Client",
+                SecretKey = "QYZH_InteractiveMagazine_SecretKey_2024",
+                ExpiryMinutes = 120
+            };
+    }
+}