feat: 实现原生微信支付功能

- 修改 ConfigService.GetPlatformConfigAsync 返回 isWebPay=false，关闭 Web 支付 - 重写 WechatService.CreatePayOrderAsync 实现原生微信支付： - 调用微信统一下单 API 获取 prepay_id - 生成 MD5 签名 - 返回前端 uni.requestPayment 所需的参数（appId, timeStamp, nonceStr, package, signType, paySign） - 更新 IWechatService 接口，添加 NativePayParams 类型 - 更新 WarehouseModels.cs，SendResultDto 使用 NativePayResultDto - 更新 WarehouseService.SendPrizesAsync 使用新的支付参数格式 - 更新 appsettings.json 配置微信支付商户信息
2026-01-24 13:15:12 +08:00 · 2026-01-24 13:15:12 +08:00 · 9867b87594
commit 9867b87594
parent 4fba70467d
6 changed files with 338 additions and 78 deletions
--- a/server/HoneyBox/src/HoneyBox.Api/appsettings.json
+++ b/server/HoneyBox/src/HoneyBox.Api/appsettings.json
@ -4,15 +4,15 @@
    "Redis": "192.168.195.15:6379,abortConnect=false,connectTimeout=5000"
  },
  "WechatSettings": {
-    "AppId": "wxa17265f5fe8374b1",
-    "AppSecret": "af99a9c8f1b986ded540d317879cc799"
+    "AppId": "wx595ec949c6efd72b",
+    "AppSecret": "1677345a20450146cf4610a41b49794d"
  },
  "WechatPaySettings": {
    "DefaultMerchant": {
      "Name": "默认商户",
-      "MchId": "",
-      "AppId": "wxa17265f5fe8374b1",
-      "Key": "",
+      "MchId": "1680394019",
+      "AppId": "wx595ec949c6efd72b",
+      "Key": "bad162066cbc9c34bb457e6997b7255b",
      "OrderPrefix": "MYH",
      "Weight": 1,
      "NotifyUrl": ""
@ -21,7 +21,7 @@
    "Miniprograms": [],
    "UnifiedOrderUrl": "https://api.mch.weixin.qq.com/pay/unifiedorder",
    "ShippingNotifyUrl": "https://api.weixin.qq.com/wxa/sec/order/upload_shipping_info",
-    "NotifyBaseUrl": ""
+    "NotifyBaseUrl": "https://api.zfunbox.cn"
  },
  "AmapSettings": {
    "ApiKey": "6a46ad822120e393956e89d498e8c40b"
--- a/server/HoneyBox/src/HoneyBox.Core/Interfaces/IWechatService.cs
+++ b/server/HoneyBox/src/HoneyBox.Core/Interfaces/IWechatService.cs
@ -30,10 +30,10 @@ public interface IWechatService
    Task<string?> GetAccessTokenAsync(string? appId = null);

    /// <summary>
-    /// 创建支付订单（Web支付方式）
+    /// 创建支付订单（原生微信支付）
    /// </summary>
    /// <param name="request">支付请求</param>
-    /// <returns>支付结果</returns>
+    /// <returns>支付结果，包含前端调用 uni.requestPayment 所需的参数</returns>
    Task<CreatePayResult> CreatePayOrderAsync(CreatePayRequest request);
 }

@ -94,13 +94,49 @@ public class CreatePayResult
    public string OrderNo { get; set; } = string.Empty;

    /// <summary>
-    /// 支付参数（返回给前端）
+    /// 支付参数（返回给前端，用于调用 uni.requestPayment）
    /// </summary>
-    public WebPayParams? Res { get; set; }
+    public NativePayParams? Res { get; set; }
 }

 /// <summary>
-/// Web支付参数
+/// 原生微信支付参数（用于 uni.requestPayment）
+/// </summary>
+public class NativePayParams
+{
+    /// <summary>
+    /// 小程序AppId
+    /// </summary>
+    public string AppId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 时间戳（秒）
+    /// </summary>
+    public string TimeStamp { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 随机字符串
+    /// </summary>
+    public string NonceStr { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 统一下单接口返回的 prepay_id（格式：prepay_id=xxx）
+    /// </summary>
+    public string Package { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 签名类型
+    /// </summary>
+    public string SignType { get; set; } = "MD5";
+
+    /// <summary>
+    /// 签名
+    /// </summary>
+    public string PaySign { get; set; } = string.Empty;
+}
+
+/// <summary>
+/// Web支付参数（客服消息支付，备用）
 /// </summary>
 public class WebPayParams
 {
--- a/server/HoneyBox/src/HoneyBox.Core/Services/ConfigService.cs
+++ b/server/HoneyBox/src/HoneyBox.Core/Services/ConfigService.cs
@ -105,28 +105,15 @@ public class ConfigService : IConfigService
    public Task<PlatformConfigDto> GetPlatformConfigAsync(string? platform)
    {
        // 根据平台返回不同配置
-        // 目前小程序和H5都返回 isWebPay = true
+        // isWebPay = false 表示直接拉起微信支付，true 表示走客服消息支付
        var config = new PlatformConfigDto
        {
-            IsWebPay = true
+            IsWebPay = false  // 默认关闭 Web 支付，使用原生微信支付
        };

        // 可以根据 platform 参数返回不同配置
        // 例如: MP-WEIXIN, WEB_H5, APP_ANDROID 等
-        if (!string.IsNullOrEmpty(platform))
-        {
-            switch (platform.ToUpper())
-            {
-                case "WEB_H5":
-                case "WEB_APP":
-                    config.IsWebPay = false;
-                    break;
-                case "MP-WEIXIN":
-                default:
-                    config.IsWebPay = true;
-                    break;
-            }
-        }
+        // 目前所有平台都使用原生支付

        return Task.FromResult(config);
    }
--- a/server/HoneyBox/src/HoneyBox.Core/Services/WarehouseService.cs
+++ b/server/HoneyBox/src/HoneyBox.Core/Services/WarehouseService.cs
@ -1142,14 +1142,14 @@ public class WarehouseService : IWarehouseService
                {
                    Status = 1, // 需要支付
                    OrderNo = payResult.OrderNo,
-                    Res = payResult.Res != null ? new WebPayResultDto
+                    Res = payResult.Res != null ? new NativePayResultDto
                    {
-                        Data = new WebPayDataDto
-                        {
-                            OrderNum = payResult.OrderNo
-                        },
-                        RequestPay = payResult.Res.RequestPay,
-                        Tips = payResult.Res.Tips
+                        AppId = payResult.Res.AppId,
+                        TimeStamp = payResult.Res.TimeStamp,
+                        NonceStr = payResult.Res.NonceStr,
+                        Package = payResult.Res.Package,
+                        SignType = payResult.Res.SignType,
+                        PaySign = payResult.Res.PaySign
                    } : null
                };
            }
--- a/server/HoneyBox/src/HoneyBox.Core/Services/WechatService.cs
+++ b/server/HoneyBox/src/HoneyBox.Core/Services/WechatService.cs
@ -401,7 +401,7 @@ public class WechatService : IWechatService
    }

    /// <summary>
-    /// 创建支付订单（Web支付方式）
+    /// 创建支付订单（原生微信支付）
    /// </summary>
    public async Task<CreatePayResult> CreatePayOrderAsync(CreatePayRequest request)
    {
@ -413,7 +413,7 @@ public class WechatService : IWechatService
            // 如果金额为0，直接返回成功（免费订单）
            if (request.Price <= 0)
            {
-                var freeOrderNo = GenerateOrderNo(request.Prefix, "MON", "H5", "ZFB");
+                var freeOrderNo = GenerateOrderNo(request.Prefix, "MON", "YD", "MP0");
                _logger.LogInformation("[创建支付订单] 免费订单，直接返回成功: OrderNo={OrderNo}", freeOrderNo);
                return new CreatePayResult
                {
@ -423,59 +423,159 @@ public class WechatService : IWechatService
                };
            }

-            // 生成订单号
-            var orderNo = GenerateOrderNo(request.Prefix, "ZFA", "H5", "ZFB");
+            // 获取商户配置
+            var merchantConfig = GetMerchantConfig();
+            if (merchantConfig == null)
+            {
+                _logger.LogError("[创建支付订单] 未找到商户配置");
+                return new CreatePayResult
+                {
+                    Status = 0,
+                    Message = "支付配置错误",
+                    OrderNo = string.Empty
+                };
+            }
+
+            // 生成订单号：前缀 + 商户前缀 + 小程序前缀 + 支付类型 + 时间戳 + 随机数
+            var orderNo = GenerateOrderNo(request.Prefix, merchantConfig.OrderPrefix, "YD", "MP0");

            // 截取标题（最多30个字符）
            var title = request.Title.Length > 30 ? request.Title.Substring(0, 30) : request.Title;

-            // 构建扩展数据
-            var extend = new Dictionary<string, string>
-            {
-                { "orderType", request.Attach }
-            };
-            var extendStr = JsonSerializer.Serialize(extend);
+            // 生成随机字符串
+            var nonceStr = GenerateNonceStr();
+            var callbackNonceStr = GenerateNonceStr();

-            // 创建支付通知记录
-            var orderNotify = new OrderNotify
+            // 生成回调通知URL
+            var notifyUrl = GenerateNotifyUrl(request.Attach, request.UserId, orderNo, callbackNonceStr);
+
+            // 获取客户端IP
+            var clientIp = "127.0.0.1"; // 实际应从请求中获取
+
+            // 构建统一下单参数
+            var unifiedOrderParams = new SortedDictionary<string, string>
            {
-                OrderNo = orderNo,
-                NotifyUrl = string.Empty,
-                NonceStr = string.Empty,
-                PayTime = DateTime.UtcNow,
-                PayAmount = request.Price,
-                Status = 0, // 待处理
-                RetryCount = 0,
-                Attach = request.Attach,
-                OpenId = request.OpenId,
-                Extend = extendStr,
-                CreatedAt = DateTime.UtcNow,
-                UpdatedAt = DateTime.UtcNow
+                { "appid", _wechatSettings.AppId },
+                { "mch_id", merchantConfig.MchId },
+                { "nonce_str", nonceStr },
+                { "body", title },
+                { "attach", request.Attach },
+                { "out_trade_no", orderNo },
+                { "notify_url", notifyUrl },
+                { "total_fee", ((int)(request.Price * 100)).ToString() }, // 转换为分
+                { "spbill_create_ip", clientIp },
+                { "trade_type", "JSAPI" },
+                { "openid", request.OpenId }
            };

-            _dbContext.OrderNotifies.Add(orderNotify);
-            await _dbContext.SaveChangesAsync();
+            // 生成签名
+            var sign = MakeSign(unifiedOrderParams, merchantConfig.Key);
+            unifiedOrderParams.Add("sign", sign);

-            _logger.LogInformation("[创建支付订单] 订单记录已创建: OrderNo={OrderNo}, NotifyId={NotifyId}", 
-                orderNo, orderNotify.Id);
+            // 转换为XML
+            var xmlData = DictToXml(unifiedOrderParams);

-            // 构建Web支付参数
-            var webPayParams = new WebPayParams
+            _logger.LogInformation("[创建支付订单] 调用微信统一下单API: OrderNo={OrderNo}", orderNo);
+
+            // 调用微信统一下单API
+            var content = new StringContent(xmlData, System.Text.Encoding.UTF8, "application/xml");
+            var response = await _httpClient.PostAsync(_wechatPaySettings.UnifiedOrderUrl, content);
+            var responseContent = await response.Content.ReadAsStringAsync();
+
+            _logger.LogInformation("[创建支付订单] 微信统一下单响应: {Response}", responseContent);
+
+            // 解析响应
+            var result = XmlToDict(responseContent);
+
+            if (result.TryGetValue("return_code", out var returnCode) && returnCode == "SUCCESS" &&
+                result.TryGetValue("result_code", out var resultCode) && resultCode == "SUCCESS")
            {
-                Data = new WebPayData
+                // 获取 prepay_id
+                if (!result.TryGetValue("prepay_id", out var prepayId))
                {
-                    OrderNum = orderNo
-                },
-                RequestPay = "/api/send_web_pay_order",
-                Tips = "您即将进入客服聊天界面完成支付，也可前往「我的」页面下载官方APP，享受更便捷的购物及充值服务。"
-            };
+                    _logger.LogError("[创建支付订单] 微信返回数据缺少 prepay_id");
+                    return new CreatePayResult
+                    {
+                        Status = 0,
+                        Message = "微信返回数据异常",
+                        OrderNo = string.Empty
+                    };
+                }

-            return new CreatePayResult
+                // 保存订单通知记录
+                var orderNotify = new OrderNotify
+                {
+                    OrderNo = orderNo,
+                    NotifyUrl = notifyUrl,
+                    NonceStr = callbackNonceStr,
+                    PayTime = DateTime.UtcNow,
+                    PayAmount = request.Price,
+                    Status = 0, // 待支付
+                    RetryCount = 0,
+                    Attach = request.Attach,
+                    OpenId = request.OpenId,
+                    Extend = JsonSerializer.Serialize(new { orderType = request.Attach, title = title }),
+                    CreatedAt = DateTime.UtcNow,
+                    UpdatedAt = DateTime.UtcNow
+                };
+
+                _dbContext.OrderNotifies.Add(orderNotify);
+                await _dbContext.SaveChangesAsync();
+
+                // 生成前端支付参数
+                var timeStamp = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
+                var payNonceStr = GenerateNonceStr();
+
+                var payParams = new SortedDictionary<string, string>
+                {
+                    { "appId", _wechatSettings.AppId },
+                    { "timeStamp", timeStamp },
+                    { "nonceStr", payNonceStr },
+                    { "package", $"prepay_id={prepayId}" },
+                    { "signType", "MD5" }
+                };
+
+                var paySign = MakeSign(payParams, merchantConfig.Key);
+
+                _logger.LogInformation("[创建支付订单] 订单创建成功: OrderNo={OrderNo}, PrepayId={PrepayId}", orderNo, prepayId);
+
+                return new CreatePayResult
+                {
+                    Status = 1,
+                    OrderNo = orderNo,
+                    Res = new NativePayParams
+                    {
+                        AppId = _wechatSettings.AppId,
+                        TimeStamp = timeStamp,
+                        NonceStr = payNonceStr,
+                        Package = $"prepay_id={prepayId}",
+                        SignType = "MD5",
+                        PaySign = paySign
+                    }
+                };
+            }
+            else
            {
-                Status = 1,
-                OrderNo = orderNo,
-                Res = webPayParams
-            };
+                // 解析错误信息
+                var errorMsg = "微信支付接口返回异常";
+                if (result.TryGetValue("return_msg", out var returnMsg))
+                {
+                    errorMsg = returnMsg;
+                }
+                else if (result.TryGetValue("err_code_des", out var errCodeDes))
+                {
+                    errorMsg = errCodeDes;
+                }
+
+                _logger.LogError("[创建支付订单] 微信统一下单失败: {Error}, Response: {Response}", errorMsg, responseContent);
+
+                return new CreatePayResult
+                {
+                    Status = 0,
+                    Message = errorMsg,
+                    OrderNo = string.Empty
+                };
+            }
        }
        catch (Exception ex)
        {
@ -489,6 +589,101 @@ public class WechatService : IWechatService
        }
    }

+    /// <summary>
+    /// 获取商户配置
+    /// </summary>
+    private WechatPayMerchantConfig? GetMerchantConfig()
+    {
+        // 优先使用默认商户配置
+        if (!string.IsNullOrEmpty(_wechatPaySettings.DefaultMerchant?.MchId))
+        {
+            return _wechatPaySettings.DefaultMerchant;
+        }
+
+        // 从商户列表中获取第一个
+        return _wechatPaySettings.Merchants.FirstOrDefault();
+    }
+
+    /// <summary>
+    /// 生成随机字符串
+    /// </summary>
+    private static string GenerateNonceStr(int length = 32)
+    {
+        const string chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+        var random = new Random();
+        return new string(Enumerable.Repeat(chars, length)
+            .Select(s => s[random.Next(s.Length)]).ToArray());
+    }
+
+    /// <summary>
+    /// 生成回调通知URL
+    /// </summary>
+    private string GenerateNotifyUrl(string orderType, int userId, string orderNo, string nonceStr)
+    {
+        var baseUrl = _wechatPaySettings.NotifyBaseUrl.TrimEnd('/');
+        return $"{baseUrl}/api/pay/notify?payment_type=wxpay&order_type={orderType}&user_id={userId}&order_no={orderNo}&nonce_str={nonceStr}";
+    }
+
+    /// <summary>
+    /// 生成签名（MD5）
+    /// </summary>
+    private static string MakeSign(SortedDictionary<string, string> parameters, string key)
+    {
+        var sb = new System.Text.StringBuilder();
+        foreach (var kvp in parameters)
+        {
+            if (!string.IsNullOrEmpty(kvp.Value) && kvp.Key != "sign")
+            {
+                sb.Append($"{kvp.Key}={kvp.Value}&");
+            }
+        }
+        sb.Append($"key={key}");
+
+        using var md5 = System.Security.Cryptography.MD5.Create();
+        var inputBytes = System.Text.Encoding.UTF8.GetBytes(sb.ToString());
+        var hashBytes = md5.ComputeHash(inputBytes);
+        return BitConverter.ToString(hashBytes).Replace("-", "").ToUpper();
+    }
+
+    /// <summary>
+    /// 字典转XML
+    /// </summary>
+    private static string DictToXml(SortedDictionary<string, string> dict)
+    {
+        var sb = new System.Text.StringBuilder();
+        sb.Append("<xml>");
+        foreach (var kvp in dict)
+        {
+            sb.Append($"<{kvp.Key}><![CDATA[{kvp.Value}]]></{kvp.Key}>");
+        }
+        sb.Append("</xml>");
+        return sb.ToString();
+    }
+
+    /// <summary>
+    /// XML转字典
+    /// </summary>
+    private static Dictionary<string, string> XmlToDict(string xml)
+    {
+        var dict = new Dictionary<string, string>();
+        try
+        {
+            var doc = System.Xml.Linq.XDocument.Parse(xml);
+            if (doc.Root != null)
+            {
+                foreach (var element in doc.Root.Elements())
+                {
+                    dict[element.Name.LocalName] = element.Value;
+                }
+            }
+        }
+        catch
+        {
+            // 解析失败返回空字典
+        }
+        return dict;
+    }
+
    /// <summary>
    /// 生成订单号
    /// 格式：前缀(3位) + 商户前缀(3位) + 项目前缀(2位) + 支付类型(3位) + 时间戳 + 随机数
--- a/server/HoneyBox/src/HoneyBox.Model/Models/Order/WarehouseModels.cs
+++ b/server/HoneyBox/src/HoneyBox.Model/Models/Order/WarehouseModels.cs
@ -473,14 +473,56 @@ public class SendResultDto
    public string OrderNo { get; set; } = string.Empty;

    /// <summary>
-    /// 支付参数（需要支付运费时返回，支持Web支付和微信原生支付）
+    /// 支付参数（需要支付运费时返回，原生微信支付参数）
    /// </summary>
    [JsonPropertyName("res")]
-    public WebPayResultDto? Res { get; set; }
+    public NativePayResultDto? Res { get; set; }
 }

 /// <summary>
-/// Web支付结果DTO（兼容前端支付流程）
+/// 原生微信支付结果DTO（用于 uni.requestPayment）
+/// </summary>
+public class NativePayResultDto
+{
+    /// <summary>
+    /// 小程序AppId
+    /// </summary>
+    [JsonPropertyName("appId")]
+    public string AppId { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 时间戳（秒）
+    /// </summary>
+    [JsonPropertyName("timeStamp")]
+    public string TimeStamp { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 随机字符串
+    /// </summary>
+    [JsonPropertyName("nonceStr")]
+    public string NonceStr { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 统一下单接口返回的 prepay_id（格式：prepay_id=xxx）
+    /// </summary>
+    [JsonPropertyName("package")]
+    public string Package { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 签名类型
+    /// </summary>
+    [JsonPropertyName("signType")]
+    public string SignType { get; set; } = "MD5";
+
+    /// <summary>
+    /// 签名
+    /// </summary>
+    [JsonPropertyName("paySign")]
+    public string PaySign { get; set; } = string.Empty;
+}
+
+/// <summary>
+/// Web支付结果DTO（兼容前端支付流程，备用）
 /// </summary>
 public class WebPayResultDto
 {