添加ORM的依赖注入，添加appsettings的gitignore

.gitignore

@@ -364,4 +364,5 @@ MigrationBackup/
 .ionide/
 
 # Fody - auto-generated XML schema
-FodyWeavers.xsd
+FodyWeavers.xsd
+/IOT_API/appsettings.json

IOT_API/Controllers/Asset/EquipmentController.cs

@@ -1,8 +1,6 @@
 using Microsoft.AspNetCore.Mvc;
 using Model;
 using Model.Entity.Asset;
-using ORM;
-using Service.Implement;
 using Service.Interface;
 using SqlSugar;
 using System.Collections.Generic;
@@ -20,12 +18,9 @@ namespace IOT_API.Controllers.Asset
     {
         private readonly IEquipmentService _equipmentService;
 
-        public EquipmentController()
+        public EquipmentController(IEquipmentService equipmentService)
         {
-            // 项目未注册 DI 容器，SqlSugarContext.DbContext 为静态单例，直接实例化服务
-            _equipmentService = new EquipmentService(
-                new SqlSugarRepository<EquipmentEntity>(),
-                new SqlSugarRepository<EquipmentStatusRecordEntity>());
+            _equipmentService = equipmentService;
         }
 
         /// <summary>

IOT_API/DependencyInjection.cs

@@ -1,4 +1,6 @@
+using ORM;
 using Service.Implement;
+using SqlSugar;
 using System.Reflection;
 
 namespace WebAPI
@@ -15,6 +17,12 @@ namespace WebAPI
         /// </summary>
         public static IServiceCollection AddBusinessServices(this IServiceCollection services)
         {
+            // SqlSugar 客户端：静态单例（SqlSugarScope 线程安全），供仓储及其他需要注入 ISqlSugarClient 的地方使用
+            services.AddSingleton<ISqlSugarClient>(SqlSugarContext.DbContext);
+
+            // 泛型仓储：所有 SqlSugarRepository<TEntity> 统一注册（内部使用 SqlSugarContext.DbContext 静态单例）
+            services.AddScoped(typeof(SqlSugarRepository<>));
+
             // Service 项目程序集（接口与实现都在同一个程序集里）
             Assembly assembly = typeof(BaseService<>).Assembly;
 

IOT_API/Program.cs

@@ -48,27 +48,6 @@ namespace WebAPI
             builder.Services.AddEndpointsApiExplorer();
             builder.Services.AddSwaggerGen();
 
-            // ======= Database init start =======
-            // Npgsql 时间兼容开关：允许向 PostgreSQL 写入本地时间 DateTime（DateTime.Now）
-            AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
-
-            // 从 appsettings.json 读取数据库配置（PostgreSQL）
-            var dbConfig = builder.Configuration.GetSection("Database");
-            DatabaseConfig.InitPostgreSql(
-                dbConfig["Server"] ?? "localhost",
-                int.TryParse(dbConfig["Port"], out var port) ? port : 5432,
-                dbConfig["Database"] ?? "iot",
-                dbConfig["Uid"] ?? "postgres",
-                dbConfig["Pwd"] ?? "");
-
-            // 数据库不存在则创建，并检查连接（租户雪花机器码可按需设置）
-            DatabaseConfig.SetTenant(10001);
-            DatabaseConfig.CreateDatabaseAndCheckConnection(createDatabase: true, checkConnection: true);
-
-            // CodeFirst 自动建表：扫描 Model.dll 中所有以 Entity 结尾的类建表/补列
-            SqlSugarContext.InitDatabase();
-            // ======= Database init end =======
-
             var app = builder.Build();
 
             // Configure the HTTP request pipeline.

IOT_API/appsettings.json

@@ -1,18 +0,0 @@
-{
-  "Logging": {
-    "LogLevel": {
-      "Default": "Information",
-      "Microsoft.AspNetCore": "Warning"
-    }
-  },
-  "AllowedHosts": "*",
-  "Database": {
-    "Type": "PostgreSQL",
-    "Server": "127.0.0.1",
-    "Port": 5432,
-    "Database": "IOT_WEB",
-    "User": "postgres",
-    "Password": "kylt123",
-    "TenantId": 10001
-  }
-}

Service/Implement/Asset/EquipmentService.cs

@@ -1,12 +1,266 @@
+using Model;
+using Model.Entity.Asset;
+using ORM;
 using Service.Interface;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
 
 namespace Service.Implement
 {
     /// <summary>
-    /// 设备台账 服务实现
+    /// 设备台账服务实现（资产管理）
     /// </summary>
-    public class EquipmentService : IEquipmentService
+    public class EquipmentService : BaseService<EquipmentEntity>, IEquipmentService
     {
-        // TODO: 实现 设备台账 相关方法
+        private readonly SqlSugarRepository<EquipmentStatusRecordEntity> _statusRecordRepository;
+        
+        public EquipmentService(SqlSugarRepository<EquipmentEntity> repository,
+            SqlSugarRepository<EquipmentStatusRecordEntity> statusRecordRepository)
+            : base(repository)
+        {
+            _statusRecordRepository = statusRecordRepository;
+        }
+
+        /// <summary>
+        /// 查询全部设备（过滤已删除数据）
+        /// </summary>
+        public override async Task<Result<List<EquipmentEntity>>> GetAllAsync()
+        {
+            try
+            {
+                var list = await _repository.Entities
+                                            .Where(x => x.IsDel == 0)
+                                            .OrderBy(x => x.CreateTime, OrderByType.Desc)
+                                            .ToListAsync();
+                return Result<List<EquipmentEntity>>.Success(list);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<EquipmentEntity>>.Error("查询设备台账失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 分页查询设备台账（支持关键字、分类、状态筛选）
+        /// </summary>
+        public async Task<Result<List<EquipmentEntity>>> GetPagedAsync(int pageIndex, int pageSize, RefAsync<int> total,
+            string? keyword, long categoryId = 0, EquipmentStatusEnum? status = null)
+        {
+            try
+            {
+                var list = await _repository.Entities
+                                            .Where(x => x.IsDel == 0)
+                                            .WhereIF(!string.IsNullOrWhiteSpace(keyword),
+                                                x => x.Code!.Contains(keyword!) || x.Name!.Contains(keyword!))
+                                            .WhereIF(categoryId > 0, x => x.CategoryId == categoryId)
+                                            .WhereIF(status.HasValue, x => x.Status == status!.Value)
+                                            .OrderBy(x => x.CreateTime, OrderByType.Desc)
+                                            .ToPageListAsync(pageIndex, pageSize, total);
+                total.Value = (int)Math.Ceiling((double)total.Value / pageSize);
+                return Result<List<EquipmentEntity>>.Success(list);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<EquipmentEntity>>.Error("分页查询设备台账失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 根据 Id 获取设备台账详情
+        /// </summary>
+        public async Task<Result<EquipmentEntity>> GetByIdAsync(long id)
+        {
+            try
+            {
+                var entity = await _repository.Entities
+                                              .Where(x => x.Id == id && x.IsDel == 0)
+                                              .FirstAsync();
+                if (entity == null)
+                {
+                    return Result<EquipmentEntity>.Error("设备不存在或已被删除");
+                }
+                return Result<EquipmentEntity>.Success(entity);
+            }
+            catch (Exception ex)
+            {
+                return Result<EquipmentEntity>.Error("查询设备详情失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 新增设备台账（校验编号唯一性，补充创建时间）
+        /// </summary>
+        public override async Task<Result<bool>> InsertAsync(EquipmentEntity entity)
+        {
+            if (string.IsNullOrWhiteSpace(entity.Code))
+            {
+                return Result<bool>.Error("设备编号不能为空");
+            }
+            try
+            {
+                // 设备编号唯一性校验（未删除范围内）
+                bool exists = await _repository.Entities
+                                               .AnyAsync(x => x.Code == entity.Code && x.IsDel == 0);
+                if (exists)
+                {
+                    return Result<bool>.Error($"设备编号【{entity.Code}】已存在");
+                }
+
+                entity.CreateTime = DateTime.Now;
+                var result = await _repository.Context.Insertable(entity).ExecuteCommandAsync();
+                return Result<bool>.Success(result > 0);
+            }
+            catch (Exception ex)
+            {
+                return Result<bool>.Error("新增设备失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 更新设备台账
+        /// </summary>
+        public async Task<Result<bool>> UpdateAsync(EquipmentEntity entity)
+        {
+            if (entity.Id <= 0)
+            {
+                return Result<bool>.Error("设备 Id 无效");
+            }
+            try
+            {
+                var old = await _repository.Entities
+                                           .Where(x => x.Id == entity.Id && x.IsDel == 0)
+                                           .FirstAsync();
+                if (old == null)
+                {
+                    return Result<bool>.Error("设备不存在或已被删除");
+                }
+
+                // 设备编号变更时校验唯一性
+                if (!string.IsNullOrWhiteSpace(entity.Code) && entity.Code != old.Code)
+                {
+                    bool exists = await _repository.Entities
+                                                   .AnyAsync(x => x.Code == entity.Code && x.IsDel == 0 && x.Id != entity.Id);
+                    if (exists)
+                    {
+                        return Result<bool>.Error($"设备编号【{entity.Code}】已存在");
+                    }
+                }
+
+                entity.IsDel = old.IsDel;
+                entity.CreateTime = old.CreateTime;
+                entity.UpdateTime = DateTime.Now;
+                var result = await _repository.Context.Updateable(entity).ExecuteCommandAsync();
+                return Result<bool>.Success(result > 0);
+            }
+            catch (Exception ex)
+            {
+                return Result<bool>.Error("更新设备失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 软删除设备台账（置 IsDel = 1）
+        /// </summary>
+        public async Task<Result<bool>> DeleteEquipmentAsync(long id)
+        {
+            if (id <= 0)
+            {
+                return Result<bool>.Error("设备 Id 无效");
+            }
+            try
+            {
+                var result = await _repository.Context.Updateable<EquipmentEntity>()
+                                              .SetColumns(x => x.IsDel == 1)
+                                              .Where(x => x.Id == id)
+                                              .ExecuteCommandAsync();
+                return Result<bool>.Success(result > 0);
+            }
+            catch (Exception ex)
+            {
+                return Result<bool>.Error("删除设备失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 变更设备状态，并记录状态变更历史（事务保证一致性）
+        /// </summary>
+        public async Task<Result<bool>> ChangeStatusAsync(long equipmentId, EquipmentStatusEnum toStatus, string? operatorName, string? remark)
+        {
+            if (equipmentId <= 0)
+            {
+                return Result<bool>.Error("设备 Id 无效");
+            }
+            try
+            {
+                var equipment = await _repository.Entities
+                                                 .Where(x => x.Id == equipmentId && x.IsDel == 0)
+                                                 .FirstAsync();
+                if (equipment == null)
+                {
+                    return Result<bool>.Error("设备不存在或已被删除");
+                }
+                if (equipment.Status == toStatus)
+                {
+                    return Result<bool>.Error("目标状态与当前状态一致，无需变更");
+                }
+
+                var now = DateTime.Now;
+                var record = new EquipmentStatusRecordEntity
+                {
+                    EquipmentId = equipmentId,
+                    FromStatus = equipment.Status,
+                    ToStatus = toStatus,
+                    ChangeTime = now,
+                    Operator = operatorName,
+                    Remark = remark,
+                    CreateTime = now
+                };
+
+                // 事务：更新设备状态 + 插入状态变更记录
+                _repository.BeginTran();
+                try
+                {
+                    equipment.Status = toStatus;
+                    equipment.UpdateTime = now;
+                    await _repository.Context.Updateable(equipment)
+                                     .UpdateColumns(x => new { x.Status, x.UpdateTime })
+                                     .ExecuteCommandAsync();
+                    await _statusRecordRepository.Context.Insertable(record).ExecuteCommandAsync();
+                    _repository.CommitTran();
+                }
+                catch
+                {
+                    _repository.RollbackTran();
+                    throw;
+                }
+
+                return Result<bool>.Success(true);
+            }
+            catch (Exception ex)
+            {
+                return Result<bool>.Error("变更设备状态失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 查询指定设备的状态变更历史记录（按变更时间倒序）
+        /// </summary>
+        public async Task<Result<List<EquipmentStatusRecordEntity>>> GetStatusRecordsAsync(long equipmentId)
+        {
+            try
+            {
+                var list = await _statusRecordRepository.Entities
+                                                        .Where(x => x.EquipmentId == equipmentId && x.IsDel == 0)
+                                                        .OrderBy(x => x.ChangeTime, OrderByType.Desc)
+                                                        .ToListAsync();
+                return Result<List<EquipmentStatusRecordEntity>>.Success(list);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<EquipmentStatusRecordEntity>>.Error("查询状态变更记录失败", ex);
+            }
+        }
     }
 }

Service/Implement/EquipmentService.cs

@@ -1,266 +0,0 @@
-using Model;
-using Model.Entity.Asset;
-using ORM;
-using Service.Interface;
-using SqlSugar;
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace Service.Implement
-{
-    /// <summary>
-    /// 设备台账服务实现（资产管理）
-    /// </summary>
-    public class EquipmentService : BaseService<EquipmentEntity>, IEquipmentService
-    {
-        private readonly SqlSugarRepository<EquipmentStatusRecordEntity> _statusRecordRepository;
-
-        public EquipmentService(SqlSugarRepository<EquipmentEntity> repository,
-            SqlSugarRepository<EquipmentStatusRecordEntity> statusRecordRepository)
-            : base(repository)
-        {
-            _statusRecordRepository = statusRecordRepository;
-        }
-
-        /// <summary>
-        /// 查询全部设备（过滤已删除数据）
-        /// </summary>
-        public override async Task<Result<List<EquipmentEntity>>> GetAllAsync()
-        {
-            try
-            {
-                var list = await _repository.Entities
-                                            .Where(x => x.IsDel == 0)
-                                            .OrderBy(x => x.CreateTime, OrderByType.Desc)
-                                            .ToListAsync();
-                return Result<List<EquipmentEntity>>.Success(list);
-            }
-            catch (Exception ex)
-            {
-                return Result<List<EquipmentEntity>>.Error("查询设备台账失败", ex);
-            }
-        }
-
-        /// <summary>
-        /// 分页查询设备台账（支持关键字、分类、状态筛选）
-        /// </summary>
-        public async Task<Result<List<EquipmentEntity>>> GetPagedAsync(int pageIndex, int pageSize, RefAsync<int> total,
-            string? keyword, long categoryId = 0, EquipmentStatusEnum? status = null)
-        {
-            try
-            {
-                var list = await _repository.Entities
-                                            .Where(x => x.IsDel == 0)
-                                            .WhereIF(!string.IsNullOrWhiteSpace(keyword),
-                                                x => x.Code!.Contains(keyword!) || x.Name!.Contains(keyword!))
-                                            .WhereIF(categoryId > 0, x => x.CategoryId == categoryId)
-                                            .WhereIF(status.HasValue, x => x.Status == status!.Value)
-                                            .OrderBy(x => x.CreateTime, OrderByType.Desc)
-                                            .ToPageListAsync(pageIndex, pageSize, total);
-                total.Value = (int)Math.Ceiling((double)total.Value / pageSize);
-                return Result<List<EquipmentEntity>>.Success(list);
-            }
-            catch (Exception ex)
-            {
-                return Result<List<EquipmentEntity>>.Error("分页查询设备台账失败", ex);
-            }
-        }
-
-        /// <summary>
-        /// 根据 Id 获取设备台账详情
-        /// </summary>
-        public async Task<Result<EquipmentEntity>> GetByIdAsync(long id)
-        {
-            try
-            {
-                var entity = await _repository.Entities
-                                              .Where(x => x.Id == id && x.IsDel == 0)
-                                              .FirstAsync();
-                if (entity == null)
-                {
-                    return Result<EquipmentEntity>.Error("设备不存在或已被删除");
-                }
-                return Result<EquipmentEntity>.Success(entity);
-            }
-            catch (Exception ex)
-            {
-                return Result<EquipmentEntity>.Error("查询设备详情失败", ex);
-            }
-        }
-
-        /// <summary>
-        /// 新增设备台账（校验编号唯一性，补充创建时间）
-        /// </summary>
-        public override async Task<Result<bool>> InsertAsync(EquipmentEntity entity)
-        {
-            if (string.IsNullOrWhiteSpace(entity.Code))
-            {
-                return Result<bool>.Error("设备编号不能为空");
-            }
-            try
-            {
-                // 设备编号唯一性校验（未删除范围内）
-                bool exists = await _repository.Entities
-                                               .AnyAsync(x => x.Code == entity.Code && x.IsDel == 0);
-                if (exists)
-                {
-                    return Result<bool>.Error($"设备编号【{entity.Code}】已存在");
-                }
-
-                entity.CreateTime = DateTime.Now;
-                var result = await _repository.Context.Insertable(entity).ExecuteCommandAsync();
-                return Result<bool>.Success(result > 0);
-            }
-            catch (Exception ex)
-            {
-                return Result<bool>.Error("新增设备失败", ex);
-            }
-        }
-
-        /// <summary>
-        /// 更新设备台账
-        /// </summary>
-        public async Task<Result<bool>> UpdateAsync(EquipmentEntity entity)
-        {
-            if (entity.Id <= 0)
-            {
-                return Result<bool>.Error("设备 Id 无效");
-            }
-            try
-            {
-                var old = await _repository.Entities
-                                           .Where(x => x.Id == entity.Id && x.IsDel == 0)
-                                           .FirstAsync();
-                if (old == null)
-                {
-                    return Result<bool>.Error("设备不存在或已被删除");
-                }
-
-                // 设备编号变更时校验唯一性
-                if (!string.IsNullOrWhiteSpace(entity.Code) && entity.Code != old.Code)
-                {
-                    bool exists = await _repository.Entities
-                                                   .AnyAsync(x => x.Code == entity.Code && x.IsDel == 0 && x.Id != entity.Id);
-                    if (exists)
-                    {
-                        return Result<bool>.Error($"设备编号【{entity.Code}】已存在");
-                    }
-                }
-
-                entity.IsDel = old.IsDel;
-                entity.CreateTime = old.CreateTime;
-                entity.UpdateTime = DateTime.Now;
-                var result = await _repository.Context.Updateable(entity).ExecuteCommandAsync();
-                return Result<bool>.Success(result > 0);
-            }
-            catch (Exception ex)
-            {
-                return Result<bool>.Error("更新设备失败", ex);
-            }
-        }
-
-        /// <summary>
-        /// 软删除设备台账（置 IsDel = 1）
-        /// </summary>
-        public async Task<Result<bool>> DeleteEquipmentAsync(long id)
-        {
-            if (id <= 0)
-            {
-                return Result<bool>.Error("设备 Id 无效");
-            }
-            try
-            {
-                var result = await _repository.Context.Updateable<EquipmentEntity>()
-                                              .SetColumns(x => x.IsDel == 1)
-                                              .Where(x => x.Id == id)
-                                              .ExecuteCommandAsync();
-                return Result<bool>.Success(result > 0);
-            }
-            catch (Exception ex)
-            {
-                return Result<bool>.Error("删除设备失败", ex);
-            }
-        }
-
-        /// <summary>
-        /// 变更设备状态，并记录状态变更历史（事务保证一致性）
-        /// </summary>
-        public async Task<Result<bool>> ChangeStatusAsync(long equipmentId, EquipmentStatusEnum toStatus, string? operatorName, string? remark)
-        {
-            if (equipmentId <= 0)
-            {
-                return Result<bool>.Error("设备 Id 无效");
-            }
-            try
-            {
-                var equipment = await _repository.Entities
-                                                 .Where(x => x.Id == equipmentId && x.IsDel == 0)
-                                                 .FirstAsync();
-                if (equipment == null)
-                {
-                    return Result<bool>.Error("设备不存在或已被删除");
-                }
-                if (equipment.Status == toStatus)
-                {
-                    return Result<bool>.Error("目标状态与当前状态一致，无需变更");
-                }
-
-                var now = DateTime.Now;
-                var record = new EquipmentStatusRecordEntity
-                {
-                    EquipmentId = equipmentId,
-                    FromStatus = equipment.Status,
-                    ToStatus = toStatus,
-                    ChangeTime = now,
-                    Operator = operatorName,
-                    Remark = remark,
-                    CreateTime = now
-                };
-
-                // 事务：更新设备状态 + 插入状态变更记录
-                _repository.BeginTran();
-                try
-                {
-                    equipment.Status = toStatus;
-                    equipment.UpdateTime = now;
-                    await _repository.Context.Updateable(equipment)
-                                     .UpdateColumns(x => new { x.Status, x.UpdateTime })
-                                     .ExecuteCommandAsync();
-                    await _statusRecordRepository.Context.Insertable(record).ExecuteCommandAsync();
-                    _repository.CommitTran();
-                }
-                catch
-                {
-                    _repository.RollbackTran();
-                    throw;
-                }
-
-                return Result<bool>.Success(true);
-            }
-            catch (Exception ex)
-            {
-                return Result<bool>.Error("变更设备状态失败", ex);
-            }
-        }
-
-        /// <summary>
-        /// 查询指定设备的状态变更历史记录（按变更时间倒序）
-        /// </summary>
-        public async Task<Result<List<EquipmentStatusRecordEntity>>> GetStatusRecordsAsync(long equipmentId)
-        {
-            try
-            {
-                var list = await _statusRecordRepository.Entities
-                                                        .Where(x => x.EquipmentId == equipmentId && x.IsDel == 0)
-                                                        .OrderBy(x => x.ChangeTime, OrderByType.Desc)
-                                                        .ToListAsync();
-                return Result<List<EquipmentStatusRecordEntity>>.Success(list);
-            }
-            catch (Exception ex)
-            {
-                return Result<List<EquipmentStatusRecordEntity>>.Error("查询状态变更记录失败", ex);
-            }
-        }
-    }
-}

Service/Interface/Asset/IEquipmentService.cs

@@ -1,10 +1,65 @@
+using Model;
+using Model.Entity.Asset;
+using SqlSugar;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
 namespace Service.Interface
 {
     /// <summary>
-    /// 设备台账 服务接口
+    /// 设备台账服务接口（资产管理）
     /// </summary>
-    public interface IEquipmentService
+    public interface IEquipmentService : IBaseService<EquipmentEntity>
     {
-        // TODO: 定义 设备台账 相关方法
+        /// <summary>
+        /// 分页查询设备台账（支持按关键字、分类、状态筛选）
+        /// </summary>
+        /// <param name="pageIndex">页码（从1开始）</param>
+        /// <param name="pageSize">每页数量</param>
+        /// <param name="total">总页数（输出参数）</param>
+        /// <param name="keyword">关键字（模糊匹配设备编号/名称）</param>
+        /// <param name="categoryId">设备分类Id（0表示不过滤）</param>
+        /// <param name="status">设备状态（null表示不过滤）</param>
+        /// <returns>返回包含分页数据的 Result</returns>
+        Task<Result<List<EquipmentEntity>>> GetPagedAsync(int pageIndex, int pageSize, RefAsync<int> total,
+            string? keyword, long categoryId = 0, EquipmentStatusEnum? status = null);
+
+        /// <summary>
+        /// 根据 Id 获取设备台账详情
+        /// </summary>
+        /// <param name="id">主键 Id</param>
+        /// <returns>返回包含设备详情的 Result</returns>
+        Task<Result<EquipmentEntity>> GetByIdAsync(long id);
+
+        /// <summary>
+        /// 更新设备台账
+        /// </summary>
+        /// <param name="entity">设备实体（必须包含 Id）</param>
+        /// <returns>返回操作是否成功的 Result</returns>
+        Task<Result<bool>> UpdateAsync(EquipmentEntity entity);
+
+        /// <summary>
+        /// 软删除设备台账（置 IsDel = 1）
+        /// </summary>
+        /// <param name="id">主键 Id</param>
+        /// <returns>返回操作是否成功的 Result</returns>
+        Task<Result<bool>> DeleteEquipmentAsync(long id);
+
+        /// <summary>
+        /// 变更设备状态，并记录状态变更历史（事务保证一致性）
+        /// </summary>
+        /// <param name="equipmentId">设备 Id</param>
+        /// <param name="toStatus">目标状态</param>
+        /// <param name="operatorName">操作人</param>
+        /// <param name="remark">变更原因/备注</param>
+        /// <returns>返回操作是否成功的 Result</returns>
+        Task<Result<bool>> ChangeStatusAsync(long equipmentId, EquipmentStatusEnum toStatus, string? operatorName, string? remark);
+
+        /// <summary>
+        /// 查询指定设备的状态变更历史记录（按变更时间倒序）
+        /// </summary>
+        /// <param name="equipmentId">设备 Id</param>
+        /// <returns>返回包含状态记录列表的 Result</returns>
+        Task<Result<List<EquipmentStatusRecordEntity>>> GetStatusRecordsAsync(long equipmentId);
     }
 }

Service/Interface/IEquipmentService.cs

@@ -1,65 +0,0 @@
-using Model;
-using Model.Entity.Asset;
-using SqlSugar;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace Service.Interface
-{
-    /// <summary>
-    /// 设备台账服务接口（资产管理）
-    /// </summary>
-    public interface IEquipmentService : IBaseService<EquipmentEntity>
-    {
-        /// <summary>
-        /// 分页查询设备台账（支持按关键字、分类、状态筛选）
-        /// </summary>
-        /// <param name="pageIndex">页码（从1开始）</param>
-        /// <param name="pageSize">每页数量</param>
-        /// <param name="total">总页数（输出参数）</param>
-        /// <param name="keyword">关键字（模糊匹配设备编号/名称）</param>
-        /// <param name="categoryId">设备分类Id（0表示不过滤）</param>
-        /// <param name="status">设备状态（null表示不过滤）</param>
-        /// <returns>返回包含分页数据的 Result</returns>
-        Task<Result<List<EquipmentEntity>>> GetPagedAsync(int pageIndex, int pageSize, RefAsync<int> total,
-            string? keyword, long categoryId = 0, EquipmentStatusEnum? status = null);
-
-        /// <summary>
-        /// 根据 Id 获取设备台账详情
-        /// </summary>
-        /// <param name="id">主键 Id</param>
-        /// <returns>返回包含设备详情的 Result</returns>
-        Task<Result<EquipmentEntity>> GetByIdAsync(long id);
-
-        /// <summary>
-        /// 更新设备台账
-        /// </summary>
-        /// <param name="entity">设备实体（必须包含 Id）</param>
-        /// <returns>返回操作是否成功的 Result</returns>
-        Task<Result<bool>> UpdateAsync(EquipmentEntity entity);
-
-        /// <summary>
-        /// 软删除设备台账（置 IsDel = 1）
-        /// </summary>
-        /// <param name="id">主键 Id</param>
-        /// <returns>返回操作是否成功的 Result</returns>
-        Task<Result<bool>> DeleteEquipmentAsync(long id);
-
-        /// <summary>
-        /// 变更设备状态，并记录状态变更历史（事务保证一致性）
-        /// </summary>
-        /// <param name="equipmentId">设备 Id</param>
-        /// <param name="toStatus">目标状态</param>
-        /// <param name="operatorName">操作人</param>
-        /// <param name="remark">变更原因/备注</param>
-        /// <returns>返回操作是否成功的 Result</returns>
-        Task<Result<bool>> ChangeStatusAsync(long equipmentId, EquipmentStatusEnum toStatus, string? operatorName, string? remark);
-
-        /// <summary>
-        /// 查询指定设备的状态变更历史记录（按变更时间倒序）
-        /// </summary>
-        /// <param name="equipmentId">设备 Id</param>
-        /// <returns>返回包含状态记录列表的 Result</returns>
-        Task<Result<List<EquipmentStatusRecordEntity>>> GetStatusRecordsAsync(long equipmentId);
-    }
-}