WeiCloud.Fusion/AlarmService/Alarm.Application/RequestDto/SubscribeEventReqDto.cs

@@ -5,85 +5,66 @@ namespace Alarm.Application.RequestDto
     public sealed class SubscribeReqDto
     {
         [JsonPropertyName("param")]
-        public required SubscribeParam Param { get; init; }
+        public SubscribeParam Param { get; set; } = new();
     }
+
     public sealed class SubscribeParam
     {
         [JsonPropertyName("monitors")]
-        public required List<MonitorEntry> Monitors { get; init; }
+        public List<MonitorConfig> Monitors { get; set; } = new();
 
         [JsonPropertyName("subsystem")]
-        public required SubsystemInfo Subsystem { get; init; }
+        public SubsystemConfig Subsystem { get; set; } = new();
     }
 
-    public sealed class MonitorEntry
+    public sealed class MonitorConfig
     {
-        /// <summary>回调地址（ICC 能访问到）</summary>
+        // 为避免歧义，内部命名用 MonitorUrl，映射到 JSON 的 "monitor"
         [JsonPropertyName("monitor")]
-        public required string Monitor { get; init; }
+        public string? MonitorUrl { get; set; }
 
-        /// <summary>固定 url</summary>
         [JsonPropertyName("monitorType")]
-        public string MonitorType { get; init; } = "url";
+        public string? MonitorType { get; set; }
 
-        /// <summary>事件大类订阅配置</summary>
         [JsonPropertyName("events")]
-        public required List<EventSubscribe> Events { get; init; }
+        public List<EventConfig> Events { get; set; } = new();
     }
 
-    /// <summary>事件大类订阅（alarm / business / state / perception ...）</summary>
-    public sealed class EventSubscribe
+    public sealed class EventConfig
     {
         [JsonPropertyName("category")]
-        public required string Category { get; init; }  // 用 string 保持向后兼容
+        public string? Category { get; set; }
 
-        /// <summary>1=订阅该大类全部（仍受 authorities 过滤），0=按维度筛选</summary>
+        // 你的示例是 0/1 数字，这里保持 int；若你更想用 bool，可改成 bool 并写自定义转换
         [JsonPropertyName("subscribeAll")]
-        public int SubscribeAll { get; init; } = 1;
+        public int? SubscribeAll { get; set; }
 
-        /// <summary>级联：0=本级,1=下级,2=本级+下级</summary>
         [JsonPropertyName("domainSubscribe")]
-        public int DomainSubscribe { get; init; } = 0;
+        public int? DomainSubscribe { get; set; }
 
-        /// <summary>权限过滤（可多组）</summary>
         [JsonPropertyName("authorities")]
-        public List<AuthorityFilter>? Authorities { get; init; }
-
-        /// <summary>仅 alarm 使用：0=事件,1=报警。未提供时默认 0</summary>
-        [JsonPropertyName("eventType")]
-        public int? EventType { get; init; }
-
-        /// <summary>报警级别过滤（仅 alarm 有意义），如 1/2/3 ...</summary>
-        [JsonPropertyName("grades")]
-        public List<int>? Grades { get; init; }
+        public List<Authority> Authorities { get; set; } = new();
     }
 
-    /// <summary>权限过滤：缺省=订阅全部；空数组=不订阅。</summary>
-    public sealed class AuthorityFilter
+    public sealed class Authority
     {
-        /// <summary>事件/业务/感知子类型（如 "57", "car.capture"）</summary>
+        // 二选一的字段：有的事件给 types，有的给 nodeCodes
         [JsonPropertyName("types")]
-        public List<string>? Types { get; init; }
+        public List<string>? Types { get; set; }
 
-        /// <summary>设备/通道编码</summary>
         [JsonPropertyName("nodeCodes")]
-        public List<string>? NodeCodes { get; init; }
-
-        /// <summary>组织编码</summary>
-        [JsonPropertyName("orgs")]
-        public List<string>? Orgs { get; init; }
+        public List<string>? NodeCodes { get; set; }
     }
 
-    public sealed class SubsystemInfo
+    public sealed class SubsystemConfig
     {
-        /// <summary>固定 0</summary>
         [JsonPropertyName("subsystemType")]
-        public int SubsystemType { get; init; } = 0;
+        public int SubsystemType { get; set; }
 
         [JsonPropertyName("name")]
-        public required string Name { get; init; }
+        public string? Name { get; set; }
 
         [JsonPropertyName("magic")]
-        public required string Magic { get; init; }
+        public string? Magic { get; set; }
     }
 }

WeiCloud.Fusion/AlarmService/Alarm.DomainService/DahAlarm/DahuaGeneralCtlService.cs

@@ -4,6 +4,7 @@ using Common.Shared.Application.DaHua;
 using Common.Shared.DomainService;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.Logging;
+using MongoDB.Bson;
 using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Security;
 using System;
@@ -18,9 +19,10 @@ namespace Alarm.DomainService.DahAlarm
     {
         private readonly ILogger<DahuaGeneralCtlService> _logger;
         private readonly IConfiguration _configuration;
-        private readonly HttpClient _http;
+
         private readonly MQTTClient _mqttClient;
         private readonly IMqttClientService _mqttClientService;
+        private readonly ITokenProviderService _tokenProviderService;
         private string mqttHostIp;
         private int mqttHostPort;
         private int mqttTimeout;
@@ -36,11 +38,11 @@ namespace Alarm.DomainService.DahAlarm
         /// <param name="configuration"></param>
         /// <param name="http"></param>
         /// <param name="mQTTClient"></param>
-        public DahuaGeneralCtlService(ILogger<DahuaGeneralCtlService> logger, IConfiguration configuration, HttpClient http, MQTTClient mQTTClient, IMqttClientService mqttClientService)
+        public DahuaGeneralCtlService(ILogger<DahuaGeneralCtlService> logger, IConfiguration configuration, MQTTClient mQTTClient, IMqttClientService mqttClientService, ITokenProviderService tokenProviderService)
         {
             _logger = logger;
             _configuration = configuration;
-            _http = http;
+
             _mqttClient = mQTTClient;
             mqttHostIp = _configuration["SubscribeMQTT:HostIP"]!;//IP地址
             mqttHostPort = _configuration["SubscribeMQTT:HostPort"].ToInt();//端口号
@@ -50,126 +52,30 @@ namespace Alarm.DomainService.DahAlarm
             mqttClientId = _configuration["SubscribeMQTT:ClientId"]!;
             topicName = _configuration["SubscribeMQTT:TopicName"]!;
             _mqttClientService = mqttClientService;
+            _tokenProviderService = tokenProviderService;
         }
 
         /// <summary>
-        /// 获取公钥
+        /// 开发测试的时候，忽略证书
         /// </summary>
-        /// <returns></returns>
-        /// <exception cref="NotImplementedException"></exception>
-        public async Task<DaHApiResult<PublicKeyDto>> GetPublicKey()
-        {
-            DaHApiResult<PublicKeyDto> result = new() { Success = true, Code = "0", Data = new PublicKeyDto() { PublicKey = "" } };
-            try
+        private static readonly HttpClient _http = new HttpClient(new HttpClientHandler
         {
-                var url = $"https://{_configuration["DahuaAuth:Host"]}/evo-apigw/evo-oauth/1.0.0/oauth/public-key";
-
-                using var resp = await _http.GetAsync(url);
-                resp.EnsureSuccessStatusCode();
-                var json = await resp.Content.ReadAsStringAsync();
-                var envelope = JsonSerializer.Deserialize<DaHApiResult<PublicKeyDto>>(json, new JsonSerializerOptions
-                {
-                    PropertyNameCaseInsensitive = true
+            ServerCertificateCustomValidationCallback = HttpClientHandler.DangerousAcceptAnyServerCertificateValidator
         });
 
-                if (envelope?.Data?.PublicKey is null or { Length: 0 })
-                {
-                    _logger.LogWarning("获取大华公钥失败，返回结果：{Result}", json);
-                    result.Success = false;
-                    result.Code = "1001";
-                    result.Msg = "获取大华公钥失败";
-
-                    return result;
-                }
-
-                result.Data.PublicKey = envelope.Data.PublicKey;
-            }
-            catch (Exception ex)
-            {
-                _logger.LogWarning(ex, "大华平台获取公钥出错");
-            }
-            return result;
-        }
-
-        /// <summary>
-        /// 获取token
-        /// </summary>
-        /// <param name="dto"></param>
-        /// <returns></returns>
-        public async Task<DaHApiResult<LoginResDto>> GetToken(LoginRequestDto dto)
-        {
-            DaHApiResult<LoginResDto> result = new DaHApiResult<LoginResDto>() { Success = true, Code = "0" };
-            if (dto is null)
-            {
-                result.Success = false;
-
-                result.Code = "1002";
-                result.Msg = "请求参数不能为空";
-                _logger.LogWarning("获取大华登录令牌失败，参数不能为空");
-                return result;
-            }
-            if (string.IsNullOrWhiteSpace(dto.Password))
-            {
-                result.Success = false;
-                result.Code = "1003";
-                result.Msg = "密码不能为空";
-                _logger.LogWarning("获取大华登录令牌失败，密码不能为空");
-                return result;
-            }
-            try
-            {
-                //1. 获取公钥
-                DaHApiResult<PublicKeyDto> publicKeyResult = await GetPublicKey();
-                if (!publicKeyResult.Success)
-                {
-                    result.Code = "500";
-                    result.Msg = publicKeyResult.Msg;
-                    _logger.LogWarning("获取大华公钥失败：{Msg}", publicKeyResult.Msg);
-                }
-                //2. 鉴权
-                dto.PublicKey = publicKeyResult.Data.PublicKey;
-
-                var url = $"https://{_configuration["DahuaAuth:Host"]}/evo-apigw/evo-oauth/1.0.0/oauth/extend/token";
-                //必须加密
-                dto.Password = EncryptByPublicKey(dto.Password, dto.PublicKey!);
-                using var resp = await _http.PostAsJsonAsync(url, dto);
-                resp.EnsureSuccessStatusCode();
-
-                var tokenInfo = await resp.Content.ReadFromJsonAsync<DaHApiResult<LoginResDto>>();
-
-                if (tokenInfo == null || !result.Success || result.Code != "0")
-                {
-                    result.Success = false;
-                    result.Code = "1004";
-                    result.Msg = "获取大华登录令牌失败";
-                    _logger.LogWarning("获取大华登录令牌失败，返回结果：{Result}", result);
-                }
-                //固定的拼接方式
-                result.Data.AccessToken = string.Concat(tokenInfo!.Data.TokenType, " ", tokenInfo.Data.AccessToken);
-            }
-            catch (Exception ex)
-            {
-                _logger.LogError(ex, "获取大华登录令牌出错");
-                result.Success = false;
-                result.Code = "1004";
-                result.Msg = "获取大华登录令牌失败";
-            }
-            return result;
-        }
-
         /// <summary>
         /// 新增报警事件订阅
         /// </summary>
         /// <param name="dto"></param>
         /// <returns></returns>
         /// <exception cref="NotImplementedException"></exception>
-        public async Task<DaHApiResult<object>> AddSubscribeEvent(string accessToken)
+        public async Task<DaHApiResult<object>> AddSubscribeEvent()
         {
             var result = new DaHApiResult<object> { Success = true, Code = "0", Data = new object() };
 
             try
             {
-                var baseHost = _configuration["DahuaEvent:Host"];
+                var baseHost = _configuration["DahuaAuth:Host"];
                 if (string.IsNullOrWhiteSpace(baseHost))
                 {
                     return new DaHApiResult<object>
@@ -186,28 +92,41 @@ namespace Alarm.DomainService.DahAlarm
                 {
                     Param = new SubscribeParam
                     {
-                        Monitors = new List<MonitorEntry>
+                        Monitors = new List<MonitorConfig>
         {
-                    new()
+            new MonitorConfig
             {
-                        Monitor =  _configuration["DahuaEvent:Callback"]!,
-                        Events =
-                        [
-                            new()
+                MonitorUrl =  _configuration["DahuaAuth:Callback"],
+                MonitorType = "url",
+                Events = new List<EventConfig>
+                {
+                    new EventConfig
                     {
                         Category = "alarm",
                         SubscribeAll = 1,
                         DomainSubscribe = 2,
-
-                                EventType = 1
+                        Authorities = new List<Authority>
+                        {
+                            new Authority
+                            {
+                                Types = new List<string> {  "4321" }
+                            }
+                        }
+                    }
                 }
-                        ]
             }
         },
-                        Subsystem = new SubsystemInfo { SubsystemType = 0, Name = _configuration["DahuaEvent:SubsystemName"]!, Magic = _configuration["DahuaEvent:SubsystemMagic"]! }
+                        Subsystem = new SubsystemConfig
+                        {
+                            SubsystemType = 0,
+                            Name = "192.168.21.43_alarm",
+                            Magic = "192.168.21.43"
+                        }
                     }
                 };
 
+                var clientId = _configuration["DahuaAuth:ClientId"];
+                var token = await _tokenProviderService.GetTokenAsync(clientId!);
                 // —— 发起请求 ——
                 using var request = new HttpRequestMessage(HttpMethod.Post, url)
                 {
@@ -219,7 +138,7 @@ namespace Alarm.DomainService.DahAlarm
                 };
 
                 // 大华网关要求：Authorization 放完整值（Bearer xxx）
-                request.Headers.TryAddWithoutValidation("Authorization", accessToken);
+                request.Headers.TryAddWithoutValidation("Authorization", token);
                 request.Headers.Accept.ParseAdd("application/json");
 
                 using var resp = await _http.SendAsync(request);
@@ -303,61 +222,5 @@ namespace Alarm.DomainService.DahAlarm
             }
             return result;
         }
-
-        #region RES加密
-
-        private static String EncryptByPublicKey(String context, String publicKey)
-        {
-            RSACryptoServiceProvider rsa = new();
-
-            rsa.ImportParameters(FromXmlStringExtensions(ConvertToXmlPublicJavaKey(publicKey)));
-            byte[] byteText = System.Text.Encoding.UTF8.GetBytes(context);
-            byte[] byteEntry = rsa.Encrypt(byteText, false);
-            return Convert.ToBase64String(byteEntry);
-        }
-
-        public static RSAParameters FromXmlStringExtensions(string xmlString)
-        {
-            RSAParameters parameters = new RSAParameters();
-
-            System.Xml.XmlDocument xmlDoc = new System.Xml.XmlDocument();
-            xmlDoc.LoadXml(xmlString);
-
-            if (xmlDoc.DocumentElement!.Name.Equals("RSAKeyValue"))
-            {
-                foreach (System.Xml.XmlNode node in xmlDoc.DocumentElement.ChildNodes)
-                {
-                    switch (node.Name)
-                    {
-                        case "Modulus": parameters.Modulus = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break;
-                        case "Exponent": parameters.Exponent = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break;
-                        case "P": parameters.P = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break;
-                        case "Q": parameters.Q = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break;
-                        case "DP": parameters.DP = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break;
-                        case "DQ": parameters.DQ = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break;
-                        case "InverseQ": parameters.InverseQ = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break;
-                        case "D": parameters.D = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break;
-                    }
-                }
-            }
-            else
-            {
-                throw new Exception("Invalid XML RSA key.");
-            }
-
-            return parameters;
-        }
-
-        public static string ConvertToXmlPublicJavaKey(string publicJavaKey)
-        {
-            RsaKeyParameters publicKeyParam = (RsaKeyParameters)PublicKeyFactory.CreateKey(Convert.FromBase64String(publicJavaKey));
-            string xmlpublicKey = string.Format("<RSAKeyValue><Modulus>{0}</Modulus><Exponent>{1}</Exponent></RSAKeyValue>",
-              Convert.ToBase64String(publicKeyParam.Modulus.ToByteArrayUnsigned()),
-              Convert.ToBase64String(publicKeyParam.Exponent.ToByteArrayUnsigned()));
-            Console.WriteLine(xmlpublicKey);
-            return xmlpublicKey;
-        }
-
-        #endregion RES加密
     }
 }

WeiCloud.Fusion/AlarmService/Alarm.DomainService/DahAlarm/IDahuaGeneralCtlService.cs

@@ -9,25 +9,12 @@ namespace Alarm.DomainService.DahAlarm
     /// </summary>
     public interface IDahuaGeneralCtlService
     {
-        /// <summary>
-        /// 获取公钥
-        /// </summary>
-        /// <returns></returns>
-        Task<DaHApiResult<PublicKeyDto>> GetPublicKey();
-
-        /// <summary>
-        /// 鉴权
-        /// </summary>
-        /// <param name="pKey">PublicKey</param>
-        /// <returns></returns>
-        Task<DaHApiResult<LoginResDto>> GetToken(LoginRequestDto dto);
-
         /// <summary>
         /// 新增订阅报警事件
         /// </summary>
         /// <param name="dto"></param>
         /// <returns></returns>
-        Task<DaHApiResult<object>> AddSubscribeEvent(string accessToken);
+        Task<DaHApiResult<object>> AddSubscribeEvent();
 
         /// <summary>
         /// AddSubscribeEvent回调函数处理

WeiCloud.Fusion/AlarmService/AlarmService.API/Controllers/AlarmController.cs

@@ -20,26 +20,14 @@ namespace AlarmService.API.Controllers
             _generalCtlService = generalCtlService;
         }
 
-        /// <summary>
-        /// 大华视频的登录获取Token
-        /// </summary>
-        /// <param name="dto"></param>
-        /// <returns></returns>
-        [HttpPost("token/dh")]
-        public async Task<DaHApiResult<LoginResDto>> GetDaHToken(LoginRequestDto dto)
-        {
-            return await _generalCtlService.GetToken(dto);
-        }
-
         /// <summary>
         /// 订阅报警事件
         /// </summary>
-        /// <param name="accessToken"></param>
         /// <returns></returns>
         [HttpPost]
-        public async Task<DaHApiResult<object>> AddSubscribeEvent(string accessToken)
+        public async Task<DaHApiResult<object>> AddSubscribeEvent()
         {
-            return await _generalCtlService.AddSubscribeEvent(accessToken);
+            return await _generalCtlService.AddSubscribeEvent();
         }
 
         /// <summary>
@@ -48,7 +36,7 @@ namespace AlarmService.API.Controllers
         /// <param name="env"></param>
         /// <returns></returns>
         [HttpPost]
-        public async Task<ApiResult<bool>> HandleAsync(EventEnvelopeDto env)
+        public async Task<ApiResult<bool>> DahuaAuthCallback(EventEnvelopeDto env)
         {
             return await _generalCtlService.HandleAsync(env);
         }

WeiCloud.Fusion/AlarmService/AlarmService.API/Properties/launchSettings.json

@@ -13,7 +13,7 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "launchUrl": "weatherforecast",
+      "launchUrl": "swagger",
       "applicationUrl": "http://localhost:5283",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
@@ -23,7 +23,7 @@
       "commandName": "Project",
       "dotnetRunMessages": true,
       "launchBrowser": true,
-      "launchUrl": "weatherforecast",
+      "launchUrl": "swagger",
       "applicationUrl": "https://localhost:7230;http://localhost:5283",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
@@ -32,7 +32,7 @@
     "IIS Express": {
       "commandName": "IISExpress",
       "launchBrowser": true,
-      "launchUrl": "weatherforecast",
+      "launchUrl": "swagger",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"
       }

WeiCloud.Fusion/AlarmService/AlarmService.API/appsettings.json

@@ -24,6 +24,9 @@
 
     "ClientSecret": "6d6c78f8-3d4c-4e76-ab6b-827942a7b725",
     "Username": "system",
-    "Password": "Admin123"
+    "Password": "Admin123",
+    "Callback": "http://demo.weienergy.cn:5000/api/Alarm/DahuaAuthCallback",
+    "SubsystemName": "192.168.21.43_alarm",
+    "SubsystemMagic": "192.168.21.43"
   }
 }

WeiCloud.Fusion/AspireApp/Manage.AppHost.AppHost/AppHost.cs

@@ -6,12 +6,10 @@ var apiService = builder.AddProject<Projects.Manage_AppHost_ApiService>("apiserv
 var videoapi = builder.AddProject<Projects.Video_API>("videoapi");
 var alarmapi = builder.AddProject<Projects.AlarmService_API>("alarmapi");
 
-var sharedapi = builder.AddProject<Projects.Common_Shared_API>("sharedapi");
-
 builder.AddProject<Projects.Manage_AppHost_Web>("webfrontend")
         .WithReference(videoapi)
         .WithReference(alarmapi)
-        .WithReference(sharedapi)
+
     .WithExternalHttpEndpoints()
     .WithHttpHealthCheck("/health")
     .WithReference(apiService)

WeiCloud.Fusion/VideoService/Video.API/Controllers/DaHua/VideoManageController.cs

@@ -141,6 +141,17 @@ namespace Video.API.Controllers.DaHua
             return await _rootVideoPlaybackService.Logout(authorization, openId, userClient);
         }
 
+        /// <summary>
+        /// 返回下载地址
+        /// </summary>
+        /// <param name="dto"></param>
+        /// <returns></returns>
+        [HttpGet("download")]
+        public async Task<string> Download(DownloadReqDto dto)
+        {
+            return await _rootVideoPlaybackService.Download(dto);
+        }
+
         #endregion 大华视频处理
     }
 }

WeiCloud.Fusion/VideoService/Video.Application/RequestDto/DahuaVideoQueryDto.cs

@@ -336,4 +336,51 @@ namespace Video.Application
         [JsonPropertyName("recordType")]
         public string RecordType { get; set; }
     }
+
+    public class DownloadReqDto
+    {
+        /// <summary>
+        /// 1. 通道编号（必选）
+        /// 组成=设备编码%24通道号;
+        /// 例如：通道编码是1000006$1$0$25,则通道编号为1000006%2425
+        /// </summary>
+        [JsonPropertyName("vcuid")]
+        public required string Vcuid { get; set; }
+
+        /// <summary>
+        /// 2. 码流类型（必选）
+        /// 1-主码流 2-辅码流
+        /// </summary>
+        [JsonPropertyName("subtype")]
+        public required string Subtype { get; set; } = "1";
+
+        /// <summary>
+        /// 3. 开始时间（必选）
+        /// 格式：2023_3_23_14_48_36
+        /// </summary>
+        [JsonPropertyName("starttime")]
+        public required string StartTime { get; set; }
+
+        /// <summary>
+        /// 4. 结束时间（必选）
+        /// 格式：2023_3_23_18_48_36
+        /// </summary>
+        [JsonPropertyName("endtime")]
+        public required string EndTime { get; set; }
+
+        /// <summary>
+        /// 5. 录像回放类型（必选）
+        /// 2-设备录像 3-中心录像
+        /// </summary>
+        [JsonPropertyName("videoType")]
+        public required string VideoType { get; set; }
+
+        /// <summary>
+        /// 7. 录像类型（必选）
+        /// 录像存储为设备录像时，即videoType=2时，recordType固定送0；
+        /// 录像存储是中心存储时，即videoType=3时，参考枚举：1：普通录像 2：报警录像 81：补录录像 82：预录录像
+        /// </summary>
+        [JsonPropertyName("recordType")]
+        public required string RecordType { get; set; }
+    }
 }

WeiCloud.Fusion/VideoService/Video.DomainService/Dahvision/DahuaGeneralCtlService.cs

@@ -404,5 +404,18 @@ namespace Video.DomainService
                 return new DaHApiResult<UrlDataDto> { Success = false, Code = "1010", Msg = "实时流请求失败" };
             }
         }
+
+        /// <summary>
+        /// 下载
+        /// </summary>
+        /// <param name="dto"></param>
+        /// <returns></returns>
+        /// <exception cref="NotImplementedException"></exception>
+        public async Task<string> Download(DownloadReqDto dto)
+        {
+            var clientId = _configuration["DahuaAuth:ClientId"];
+            var token = await _tokenProviderService.GetTokenAsync(clientId!);
+            return _configuration["DahuaAuth:Host"] + $"/evo-apigw/evo-httpnode/vod/cam/download.mp4?vcuid={dto.Vcuid}&subtype={dto.Subtype}&starttime={dto.StartTime}endtime={dto.EndTime}&videoType={dto.VideoType}&token={token}&recordType={dto.RecordType}";
+        }
     }
 }

WeiCloud.Fusion/VideoService/Video.DomainService/Dahvision/IDahuaGeneralCtlService.cs

@@ -56,5 +56,12 @@ namespace Video.DomainService
         /// 没有返回值
         /// </summary>
         Task<DaHApiResult<object>> Logout(string authorization, string? openId, int? userClient);
+
+        /// <summary>
+        /// 返回下载地址
+        /// </summary>
+        /// <param name="dto"></param>
+        /// <returns></returns>
+        Task<string> Download(DownloadReqDto dto);
     }
 }

WeiCloud.Fusion/VideoService/Video.DomainService/Dahvision/IRootVideoPlaybackService.cs

@@ -49,5 +49,12 @@ namespace Video.DomainService
         /// <param name="userClient"></param>
         /// <returns></returns>
         Task<ApiResult<object>> Logout(string authorization, string? openId, int? userClient);
+
+        /// <summary>
+        /// 返回下载地址
+        /// </summary>
+        /// <param name="dto"></param>
+        /// <returns></returns>
+        Task<string> Download(DownloadReqDto dto);
     }
 }

WeiCloud.Fusion/VideoService/Video.DomainService/Dahvision/RootVideoPlaybackService.cs

@@ -157,6 +157,16 @@ namespace Video.DomainService
             return result;
         }
 
+        /// <summary>
+        /// 返回下载地址
+        /// </summary>
+        /// <param name="dto"></param>
+        /// <returns></returns>
+        public async Task<string> Download(DownloadReqDto dto)
+        {
+            return await _dahuaGeneralCtlService.Download(dto);
+        }
+
         #endregion 大华视频处理
     }
 }