Merge branch 'master' of https://git.kaiyili-lab.com/huangsucan/IOT_API

IOT_API/Controllers/Inspection/StatisticsReportController.cs

@@ -1,14 +1,114 @@
 using Microsoft.AspNetCore.Mvc;
+using Service.Interface;
+using System.Threading.Tasks;
 
 namespace WebAPI.Controllers
 {
     /// <summary>
-    /// 统计报表
+    /// 统计报表（设备统计/维护报表/维修报表）
     /// </summary>
     [ApiController]
     [Route("api/inspection/report")]
     public class StatisticsReportController : ControllerBase
     {
-        // TODO: 实现 统计报表 相关接口
+        private readonly IStatisticsReportService _statisticsReportService;
+
+        public StatisticsReportController(IStatisticsReportService statisticsReportService)
+        {
+            _statisticsReportService = statisticsReportService;
+        }
+
+        #region 设备统计报表
+
+        /// <summary>
+        /// 设备统计概览（总数/在用/闲置/报废等）
+        /// </summary>
+        [HttpGet("device/statistics")]
+        public async Task<IActionResult> GetDeviceStatistics()
+        {
+            return Ok(await _statisticsReportService.GetDeviceStatisticsAsync());
+        }
+
+        /// <summary>
+        /// 按分类统计设备数量
+        /// </summary>
+        [HttpGet("device/category")]
+        public async Task<IActionResult> GetCategoryStatistics()
+        {
+            return Ok(await _statisticsReportService.GetCategoryStatisticsAsync());
+        }
+
+        /// <summary>
+        /// 按部门统计设备数量
+        /// </summary>
+        [HttpGet("device/department")]
+        public async Task<IActionResult> GetDepartmentStatistics()
+        {
+            return Ok(await _statisticsReportService.GetDepartmentStatisticsAsync());
+        }
+
+        #endregion
+
+        #region 设备维护报表
+
+        /// <summary>
+        /// 设备维护统计（校准/保养及时率、超期数量等）
+        /// </summary>
+        [HttpGet("maintenance/statistics")]
+        public async Task<IActionResult> GetMaintenanceStatistics()
+        {
+            return Ok(await _statisticsReportService.GetMaintenanceStatisticsAsync());
+        }
+
+        /// <summary>
+        /// 维护超期设备明细
+        /// </summary>
+        [HttpGet("maintenance/overdue")]
+        public async Task<IActionResult> GetMaintenanceOverdueDetails()
+        {
+            return Ok(await _statisticsReportService.GetMaintenanceOverdueDetailsAsync());
+        }
+
+        #endregion
+
+        #region 维修类报表
+
+        /// <summary>
+        /// 维修统计概览
+        /// </summary>
+        [HttpGet("repair/statistics")]
+        public async Task<IActionResult> GetRepairStatistics()
+        {
+            return Ok(await _statisticsReportService.GetRepairStatisticsAsync());
+        }
+
+        /// <summary>
+        /// 故障类型分布
+        /// </summary>
+        [HttpGet("repair/fault-type")]
+        public async Task<IActionResult> GetFaultTypeDistribution()
+        {
+            return Ok(await _statisticsReportService.GetFaultTypeDistributionAsync());
+        }
+
+        /// <summary>
+        /// 维修工时分析
+        /// </summary>
+        [HttpGet("repair/hours-analysis")]
+        public async Task<IActionResult> GetRepairHoursAnalysis()
+        {
+            return Ok(await _statisticsReportService.GetRepairHoursAnalysisAsync());
+        }
+
+        /// <summary>
+        /// 维修记录明细列表
+        /// </summary>
+        [HttpGet("repair/records")]
+        public async Task<IActionResult> GetRepairRecordDetails()
+        {
+            return Ok(await _statisticsReportService.GetRepairRecordDetailsAsync());
+        }
+
+        #endregion
     }
 }

Model/Dto/Inspection/StatisticsReportDto.cs

@@ -0,0 +1,212 @@
+namespace Model.Dto.Inspection
+{
+    #region 设备统计报表
+
+    /// <summary>
+    /// 设备统计概览
+    /// </summary>
+    public class DeviceStatisticsDto
+    {
+        /// <summary>设备总数</summary>
+        public int Total { get; set; }
+
+        /// <summary>在用数量</summary>
+        public int InUse { get; set; }
+
+        /// <summary>闲置数量</summary>
+        public int Idle { get; set; }
+
+        /// <summary>报废数量（已处置+待处置）</summary>
+        public int Scrapped { get; set; }
+
+        /// <summary>维修中数量</summary>
+        public int Repairing { get; set; }
+
+        /// <summary>已停用数量</summary>
+        public int Suspended { get; set; }
+
+        /// <summary>其他数量（待验收/已借出/入库）</summary>
+        public int Other { get; set; }
+    }
+
+    /// <summary>
+    /// 按分类统计
+    /// </summary>
+    public class CategoryStatisticsDto
+    {
+        /// <summary>分类名称</summary>
+        public string? CategoryName { get; set; }
+
+        /// <summary>设备数量</summary>
+        public int Count { get; set; }
+    }
+
+    /// <summary>
+    /// 按部门统计
+    /// </summary>
+    public class DepartmentStatisticsDto
+    {
+        /// <summary>部门名称</summary>
+        public string? Department { get; set; }
+
+        /// <summary>设备数量</summary>
+        public int Count { get; set; }
+    }
+
+    #endregion
+
+    #region 设备维护报表
+
+    /// <summary>
+    /// 设备维护统计
+    /// </summary>
+    public class MaintenanceStatisticsDto
+    {
+        /// <summary>设备总数</summary>
+        public int Total { get; set; }
+
+        /// <summary>校准正常数量</summary>
+        public int CalibrationNormal { get; set; }
+
+        /// <summary>校准超期数量</summary>
+        public int CalibrationOverdue { get; set; }
+
+        /// <summary>保养正常数量</summary>
+        public int MaintenanceNormal { get; set; }
+
+        /// <summary>保养超期数量</summary>
+        public int MaintenanceOverdue { get; set; }
+
+        /// <summary>校准及时率（%）</summary>
+        public decimal CalibrationTimelyRate { get; set; }
+
+        /// <summary>保养及时率（%）</summary>
+        public decimal MaintenanceTimelyRate { get; set; }
+    }
+
+    /// <summary>
+    /// 维护超期设备明细
+    /// </summary>
+    public class MaintenanceOverdueDetailDto
+    {
+        /// <summary>设备编号</summary>
+        public string? EquipmentCode { get; set; }
+
+        /// <summary>设备名称</summary>
+        public string? EquipmentName { get; set; }
+
+        /// <summary>部门</summary>
+        public string? Department { get; set; }
+
+        /// <summary>超期类型（校准超期/保养超期）</summary>
+        public string? OverdueType { get; set; }
+
+        /// <summary>到期日期</summary>
+        public DateTime? ExpireDate { get; set; }
+
+        /// <summary>超期天数</summary>
+        public int OverdueDays { get; set; }
+    }
+
+    #endregion
+
+    #region 维修类报表
+
+    /// <summary>
+    /// 维修统计概览
+    /// </summary>
+    public class RepairStatisticsDto
+    {
+        /// <summary>维修记录总数</summary>
+        public int Total { get; set; }
+
+        /// <summary>已完成数量</summary>
+        public int Completed { get; set; }
+
+        /// <summary>维修中数量</summary>
+        public int InProgress { get; set; }
+
+        /// <summary>待维修数量</summary>
+        public int Pending { get; set; }
+
+        /// <summary>平均维修工时（小时）</summary>
+        public decimal AvgRepairHours { get; set; }
+
+        /// <summary>总维修工时（小时）</summary>
+        public decimal TotalRepairHours { get; set; }
+
+        /// <summary>总维修费用（元）</summary>
+        public decimal TotalRepairCost { get; set; }
+    }
+
+    /// <summary>
+    /// 故障类型分布
+    /// </summary>
+    public class FaultTypeDistributionDto
+    {
+        /// <summary>故障类型</summary>
+        public string? FaultType { get; set; }
+
+        /// <summary>数量</summary>
+        public int Count { get; set; }
+    }
+
+    /// <summary>
+    /// 维修工时分析
+    /// </summary>
+    public class RepairHoursAnalysisDto
+    {
+        /// <summary>故障类型</summary>
+        public string? FaultType { get; set; }
+
+        /// <summary>平均工时（小时）</summary>
+        public decimal AvgHours { get; set; }
+
+        /// <summary>最大工时（小时）</summary>
+        public decimal MaxHours { get; set; }
+
+        /// <summary>最小工时（小时）</summary>
+        public decimal MinHours { get; set; }
+
+        /// <summary>记录数</summary>
+        public int Count { get; set; }
+    }
+
+    /// <summary>
+    /// 维修记录明细
+    /// </summary>
+    public class RepairRecordDetailDto
+    {
+        /// <summary>设备编号</summary>
+        public string? EquipmentCode { get; set; }
+
+        /// <summary>设备名称</summary>
+        public string? EquipmentName { get; set; }
+
+        /// <summary>故障类型</summary>
+        public string? FaultType { get; set; }
+
+        /// <summary>故障描述</summary>
+        public string? FaultDescription { get; set; }
+
+        /// <summary>报修日期</summary>
+        public DateTime? ReportDate { get; set; }
+
+        /// <summary>维修完成日期</summary>
+        public DateTime? RepairEndDate { get; set; }
+
+        /// <summary>维修工时</summary>
+        public decimal? RepairHours { get; set; }
+
+        /// <summary>维修人员</summary>
+        public string? RepairPerson { get; set; }
+
+        /// <summary>维修费用</summary>
+        public decimal? RepairCost { get; set; }
+
+        /// <summary>维修状态</summary>
+        public string? RepairStatus { get; set; }
+    }
+
+    #endregion
+}

Model/Entity/Inspection/RepairRecordEntity.cs

@@ -0,0 +1,92 @@
+using SqlSugar;
+
+namespace Model.Entity.Inspection
+{
+    /// <summary>
+    /// 设备维修记录
+    /// </summary>
+    public class RepairRecordEntity : BaseEntity
+    {
+        /// <summary>
+        /// 设备Id（关联 EquipmentEntity.Id）
+        /// </summary>
+        public long EquipmentId { get; set; }
+
+        /// <summary>
+        /// 设备编号（冗余便于展示）
+        /// </summary>
+        [SugarColumn(Length = 50, IsNullable = true)]
+        public string? EquipmentCode { get; set; }
+
+        /// <summary>
+        /// 设备名称（冗余便于展示）
+        /// </summary>
+        [SugarColumn(Length = 100, IsNullable = true)]
+        public string? EquipmentName { get; set; }
+
+        /// <summary>
+        /// 故障类型（机械故障/电气故障/软件故障/传感器故障/其他）
+        /// </summary>
+        [SugarColumn(Length = 50, IsNullable = true)]
+        public string? FaultType { get; set; }
+
+        /// <summary>
+        /// 故障描述
+        /// </summary>
+        [SugarColumn(ColumnDataType = "text", IsNullable = true)]
+        public string? FaultDescription { get; set; }
+
+        /// <summary>
+        /// 报修日期
+        /// </summary>
+        public DateTime? ReportDate { get; set; }
+
+        /// <summary>
+        /// 维修开始日期
+        /// </summary>
+        [SugarColumn(IsNullable = true)]
+        public DateTime? RepairStartDate { get; set; }
+
+        /// <summary>
+        /// 维修完成日期
+        /// </summary>
+        [SugarColumn(IsNullable = true)]
+        public DateTime? RepairEndDate { get; set; }
+
+        /// <summary>
+        /// 维修工时（小时）
+        /// </summary>
+        [SugarColumn(IsNullable = true)]
+        public decimal? RepairHours { get; set; }
+
+        /// <summary>
+        /// 维修人员
+        /// </summary>
+        [SugarColumn(Length = 50, IsNullable = true)]
+        public string? RepairPerson { get; set; }
+
+        /// <summary>
+        /// 维修费用（元）
+        /// </summary>
+        [SugarColumn(DecimalDigits = 2, Length = 18, IsNullable = true)]
+        public decimal? RepairCost { get; set; }
+
+        /// <summary>
+        /// 维修状态（待维修/维修中/已完成）
+        /// </summary>
+        [SugarColumn(Length = 20, IsNullable = true)]
+        public string? RepairStatus { get; set; }
+
+        /// <summary>
+        /// 维修结果描述
+        /// </summary>
+        [SugarColumn(ColumnDataType = "text", IsNullable = true)]
+        public string? RepairResult { get; set; }
+
+        /// <summary>
+        /// 备注
+        /// </summary>
+        [SugarColumn(Length = 500, IsNullable = true)]
+        public string? Remark { get; set; }
+    }
+}

Service/Implement/Inspection/StatisticsReportService.cs

@@ -1,4 +1,14 @@
+using Model;
+using Model.Dto.Inspection;
+using Model.Entity.Asset;
+using Model.Entity.Inspection;
+using ORM;
 using Service.Interface;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
 
 namespace Service.Implement
 {
@@ -7,6 +17,326 @@ namespace Service.Implement
     /// </summary>
     public class StatisticsReportService : IStatisticsReportService
     {
-        // TODO: 实现 统计报表 相关方法
+        #region 设备统计报表
+
+        /// <summary>
+        /// 设备统计概览（总数/在用/闲置/报废等）
+        /// </summary>
+        public async Task<Result<DeviceStatisticsDto>> GetDeviceStatisticsAsync()
+        {
+            try
+            {
+                var query = SqlSugarContext.DbContext.Queryable<EquipmentEntity>()
+                    .Where(x => x.IsDel == 0);
+
+                var all = await query.ToListAsync();
+                var total = all.Count;
+
+                var dto = new DeviceStatisticsDto
+                {
+                    Total = total,
+                    InUse = all.Count(x => x.Status == EquipmentStatusEnum.InUse),
+                    Idle = all.Count(x => x.Status == EquipmentStatusEnum.Idle),
+                    Scrapped = all.Count(x => x.Status == EquipmentStatusEnum.Disposed || x.Status == EquipmentStatusEnum.PendingDisposal),
+                    Repairing = all.Count(x => x.Status == EquipmentStatusEnum.Repairing),
+                    Suspended = all.Count(x => x.Status == EquipmentStatusEnum.Suspended),
+                    Other = all.Count(x =>
+                        x.Status != EquipmentStatusEnum.InUse &&
+                        x.Status != EquipmentStatusEnum.Idle &&
+                        x.Status != EquipmentStatusEnum.Disposed &&
+                        x.Status != EquipmentStatusEnum.PendingDisposal &&
+                        x.Status != EquipmentStatusEnum.Repairing &&
+                        x.Status != EquipmentStatusEnum.Suspended)
+                };
+
+                return Result<DeviceStatisticsDto>.Success(dto);
+            }
+            catch (Exception ex)
+            {
+                return Result<DeviceStatisticsDto>.Error("查询设备统计失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 按分类统计设备数量
+        /// </summary>
+        public async Task<Result<List<CategoryStatisticsDto>>> GetCategoryStatisticsAsync()
+        {
+            try
+            {
+                var list = await SqlSugarContext.DbContext.Queryable<EquipmentEntity>()
+                    .LeftJoin<EquipmentCategoryEntity>((e, c) => e.CategoryId == c.Id)
+                    .Where((e, c) => e.IsDel == 0)
+                    .GroupBy((e, c) => new { c.Name })
+                    .Select((e, c) => new CategoryStatisticsDto
+                    {
+                        CategoryName = c.Name,
+                        Count = SqlFunc.AggregateCount(e.Id)
+                    })
+                    .ToListAsync();
+
+                return Result<List<CategoryStatisticsDto>>.Success(list);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<CategoryStatisticsDto>>.Error("查询分类统计失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 按部门统计设备数量
+        /// </summary>
+        public async Task<Result<List<DepartmentStatisticsDto>>> GetDepartmentStatisticsAsync()
+        {
+            try
+            {
+                var list = await SqlSugarContext.DbContext.Queryable<EquipmentEntity>()
+                    .Where(x => x.IsDel == 0)
+                    .GroupBy(x => x.Department)
+                    .Select(x => new DepartmentStatisticsDto
+                    {
+                        Department = x.Department,
+                        Count = SqlFunc.AggregateCount(x.Id)
+                    })
+                    .OrderByDescending(x => x.Count)
+                    .ToListAsync();
+
+                return Result<List<DepartmentStatisticsDto>>.Success(list);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<DepartmentStatisticsDto>>.Error("查询部门统计失败", ex);
+            }
+        }
+
+        #endregion
+
+        #region 设备维护报表
+
+        /// <summary>
+        /// 设备维护统计（校准/保养及时率、超期数量等）
+        /// </summary>
+        public async Task<Result<MaintenanceStatisticsDto>> GetMaintenanceStatisticsAsync()
+        {
+            try
+            {
+                var all = await SqlSugarContext.DbContext.Queryable<EquipmentEntity>()
+                    .Where(x => x.IsDel == 0)
+                    .ToListAsync();
+
+                var total = all.Count;
+                var calNormal = all.Count(x => x.CalibrationStatus == ComplianceStatusEnum.Normal);
+                var calOverdue = all.Count(x => x.CalibrationStatus == ComplianceStatusEnum.Overdue);
+                var maintNormal = all.Count(x => x.MaintenanceStatus == ComplianceStatusEnum.Normal);
+                var maintOverdue = all.Count(x => x.MaintenanceStatus == ComplianceStatusEnum.Overdue);
+
+                var dto = new MaintenanceStatisticsDto
+                {
+                    Total = total,
+                    CalibrationNormal = calNormal,
+                    CalibrationOverdue = calOverdue,
+                    MaintenanceNormal = maintNormal,
+                    MaintenanceOverdue = maintOverdue,
+                    CalibrationTimelyRate = total > 0 ? Math.Round((decimal)calNormal / total * 100, 1) : 0,
+                    MaintenanceTimelyRate = total > 0 ? Math.Round((decimal)maintNormal / total * 100, 1) : 0
+                };
+
+                return Result<MaintenanceStatisticsDto>.Success(dto);
+            }
+            catch (Exception ex)
+            {
+                return Result<MaintenanceStatisticsDto>.Error("查询维护统计失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 维护超期设备明细
+        /// </summary>
+        public async Task<Result<List<MaintenanceOverdueDetailDto>>> GetMaintenanceOverdueDetailsAsync()
+        {
+            try
+            {
+                var now = DateTime.Now;
+                var list = await SqlSugarContext.DbContext.Queryable<EquipmentEntity>()
+                    .Where(x => x.IsDel == 0 &&
+                        (x.CalibrationStatus == ComplianceStatusEnum.Overdue ||
+                         x.MaintenanceStatus == ComplianceStatusEnum.Overdue))
+                    .ToListAsync();
+
+                var details = new List<MaintenanceOverdueDetailDto>();
+                foreach (var eq in list)
+                {
+                    if (eq.CalibrationStatus == ComplianceStatusEnum.Overdue && eq.NextCalibrationDate.HasValue)
+                    {
+                        var days = (int)(now - eq.NextCalibrationDate.Value).TotalDays;
+                        details.Add(new MaintenanceOverdueDetailDto
+                        {
+                            EquipmentCode = eq.Code,
+                            EquipmentName = eq.Name,
+                            Department = eq.Department,
+                            OverdueType = "校准超期",
+                            ExpireDate = eq.NextCalibrationDate,
+                            OverdueDays = days > 0 ? days : 0
+                        });
+                    }
+                    if (eq.MaintenanceStatus == ComplianceStatusEnum.Overdue && eq.NextMaintenanceDate.HasValue)
+                    {
+                        var days = (int)(now - eq.NextMaintenanceDate.Value).TotalDays;
+                        details.Add(new MaintenanceOverdueDetailDto
+                        {
+                            EquipmentCode = eq.Code,
+                            EquipmentName = eq.Name,
+                            Department = eq.Department,
+                            OverdueType = "保养超期",
+                            ExpireDate = eq.NextMaintenanceDate,
+                            OverdueDays = days > 0 ? days : 0
+                        });
+                    }
+                }
+
+                return Result<List<MaintenanceOverdueDetailDto>>.Success(details);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<MaintenanceOverdueDetailDto>>.Error("查询维护超期明细失败", ex);
+            }
+        }
+
+        #endregion
+
+        #region 维修类报表
+
+        /// <summary>
+        /// 维修统计概览
+        /// </summary>
+        public async Task<Result<RepairStatisticsDto>> GetRepairStatisticsAsync()
+        {
+            try
+            {
+                var all = await SqlSugarContext.DbContext.Queryable<RepairRecordEntity>()
+                    .Where(x => x.IsDel == 0)
+                    .ToListAsync();
+
+                var total = all.Count;
+                var completed = all.Count(x => x.RepairStatus == "已完成");
+                var inProgress = all.Count(x => x.RepairStatus == "维修中");
+                var pending = all.Count(x => x.RepairStatus == "待维修");
+
+                var totalHours = all.Where(x => x.RepairHours.HasValue).Sum(x => x.RepairHours ?? 0);
+                var completedWithHours = all.Where(x => x.RepairHours.HasValue && x.RepairStatus == "已完成").ToList();
+                var avgHours = completedWithHours.Count > 0
+                    ? Math.Round(completedWithHours.Sum(x => x.RepairHours ?? 0) / completedWithHours.Count, 1)
+                    : 0;
+
+                var totalCost = all.Where(x => x.RepairCost.HasValue).Sum(x => x.RepairCost ?? 0);
+
+                var dto = new RepairStatisticsDto
+                {
+                    Total = total,
+                    Completed = completed,
+                    InProgress = inProgress,
+                    Pending = pending,
+                    AvgRepairHours = avgHours,
+                    TotalRepairHours = totalHours,
+                    TotalRepairCost = totalCost
+                };
+
+                return Result<RepairStatisticsDto>.Success(dto);
+            }
+            catch (Exception ex)
+            {
+                return Result<RepairStatisticsDto>.Error("查询维修统计失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 故障类型分布
+        /// </summary>
+        public async Task<Result<List<FaultTypeDistributionDto>>> GetFaultTypeDistributionAsync()
+        {
+            try
+            {
+                var list = await SqlSugarContext.DbContext.Queryable<RepairRecordEntity>()
+                    .Where(x => x.IsDel == 0)
+                    .GroupBy(x => x.FaultType)
+                    .Select(x => new FaultTypeDistributionDto
+                    {
+                        FaultType = x.FaultType,
+                        Count = SqlFunc.AggregateCount(x.Id)
+                    })
+                    .OrderByDescending(x => x.Count)
+                    .ToListAsync();
+
+                return Result<List<FaultTypeDistributionDto>>.Success(list);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<FaultTypeDistributionDto>>.Error("查询故障类型分布失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 维修工时分析
+        /// </summary>
+        public async Task<Result<List<RepairHoursAnalysisDto>>> GetRepairHoursAnalysisAsync()
+        {
+            try
+            {
+                var list = await SqlSugarContext.DbContext.Queryable<RepairRecordEntity>()
+                    .Where(x => x.IsDel == 0 && x.RepairHours.HasValue)
+                    .GroupBy(x => x.FaultType)
+                    .Select(x => new RepairHoursAnalysisDto
+                    {
+                        FaultType = x.FaultType,
+                        AvgHours = SqlFunc.AggregateAvg(x.RepairHours) ?? 0,
+                        MaxHours = SqlFunc.AggregateMax(x.RepairHours) ?? 0,
+                        MinHours = SqlFunc.AggregateMin(x.RepairHours) ?? 0,
+                        Count = SqlFunc.AggregateCount(x.Id)
+                    })
+                    .OrderByDescending(x => x.AvgHours)
+                    .ToListAsync();
+
+                return Result<List<RepairHoursAnalysisDto>>.Success(list);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<RepairHoursAnalysisDto>>.Error("查询维修工时分析失败", ex);
+            }
+        }
+
+        /// <summary>
+        /// 维修记录明细列表
+        /// </summary>
+        public async Task<Result<List<RepairRecordDetailDto>>> GetRepairRecordDetailsAsync()
+        {
+            try
+            {
+                var list = await SqlSugarContext.DbContext.Queryable<RepairRecordEntity>()
+                    .Where(x => x.IsDel == 0)
+                    .OrderByDescending(x => x.CreateTime)
+                    .Select(x => new RepairRecordDetailDto
+                    {
+                        EquipmentCode = x.EquipmentCode,
+                        EquipmentName = x.EquipmentName,
+                        FaultType = x.FaultType,
+                        FaultDescription = x.FaultDescription,
+                        ReportDate = x.ReportDate,
+                        RepairEndDate = x.RepairEndDate,
+                        RepairHours = x.RepairHours,
+                        RepairPerson = x.RepairPerson,
+                        RepairCost = x.RepairCost,
+                        RepairStatus = x.RepairStatus
+                    })
+                    .ToListAsync();
+
+                return Result<List<RepairRecordDetailDto>>.Success(list);
+            }
+            catch (Exception ex)
+            {
+                return Result<List<RepairRecordDetailDto>>.Error("查询维修记录明细失败", ex);
+            }
+        }
+
+        #endregion
     }
 }

Service/Interface/Inspection/IStatisticsReportService.cs

@@ -1,3 +1,8 @@
+using Model;
+using Model.Dto.Inspection;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
 namespace Service.Interface
 {
     /// <summary>
@@ -5,6 +10,49 @@ namespace Service.Interface
     /// </summary>
     public interface IStatisticsReportService
     {
-        // TODO: 定义 统计报表 相关方法
+        /// <summary>
+        /// 设备统计概览（总数/在用/闲置/报废等）
+        /// </summary>
+        Task<Result<DeviceStatisticsDto>> GetDeviceStatisticsAsync();
+
+        /// <summary>
+        /// 按分类统计设备数量
+        /// </summary>
+        Task<Result<List<CategoryStatisticsDto>>> GetCategoryStatisticsAsync();
+
+        /// <summary>
+        /// 按部门统计设备数量
+        /// </summary>
+        Task<Result<List<DepartmentStatisticsDto>>> GetDepartmentStatisticsAsync();
+
+        /// <summary>
+        /// 设备维护统计（校准/保养及时率、超期数量等）
+        /// </summary>
+        Task<Result<MaintenanceStatisticsDto>> GetMaintenanceStatisticsAsync();
+
+        /// <summary>
+        /// 维护超期设备明细
+        /// </summary>
+        Task<Result<List<MaintenanceOverdueDetailDto>>> GetMaintenanceOverdueDetailsAsync();
+
+        /// <summary>
+        /// 维修统计概览
+        /// </summary>
+        Task<Result<RepairStatisticsDto>> GetRepairStatisticsAsync();
+
+        /// <summary>
+        /// 故障类型分布
+        /// </summary>
+        Task<Result<List<FaultTypeDistributionDto>>> GetFaultTypeDistributionAsync();
+
+        /// <summary>
+        /// 维修工时分析
+        /// </summary>
+        Task<Result<List<RepairHoursAnalysisDto>>> GetRepairHoursAnalysisAsync();
+
+        /// <summary>
+        /// 维修记录明细列表
+        /// </summary>
+        Task<Result<List<RepairRecordDetailDto>>> GetRepairRecordDetailsAsync();
     }
 }