359 lines
15 KiB
C#
359 lines
15 KiB
C#
using FATrace.WPLApp.Core;
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using Prism.Commands;
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using System;
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using System.Collections.ObjectModel;
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using FreeSql;
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using FATrace.Model;
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using FATrace.WPLApp.Services;
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using FATrace.WPLApp.ModelDto;
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using System.Threading.Tasks;
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using System.Windows;
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using Microsoft.Win32;
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using NPOI.SS.UserModel;
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using NPOI.XSSF.UserModel;
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// 为避免与 System.Windows.HorizontalAlignment/VerticalAlignment 冲突，添加别名
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using HAlign = NPOI.SS.UserModel.HorizontalAlignment;
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using VAlign = NPOI.SS.UserModel.VerticalAlignment;
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namespace FATrace.WPLApp.ViewModels
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{
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/// <summary>
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/// 原料入库信息查询 VM
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/// - 枚举过滤：RawSource、RawSplitState
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/// - 条件：原料编号/名称、批号、时间范围（CreateTime）
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/// - 支持分页、Excel 导出
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/// </summary>
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public class RawProInputViewModel : NavigationViewModel
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{
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private readonly IFreeSql _fsql;
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private readonly ILogService _log;
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public RawProInputViewModel(IFreeSql fsql, ILogService log)
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{
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_fsql = fsql;
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_log = log;
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Items = new ObservableCollection<RawProInputDto>();
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Items.CollectionChanged += (s, e) => { try { ExportCommand?.RaiseCanExecuteChanged(); } catch { } };
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// 默认时间范围为今日
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StartTime = DateTime.Today;
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EndTime = DateTime.Today.AddDays(1).AddSeconds(-1);
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SearchCommand = new DelegateCommand(async () => await SearchAsync(), () => !IsBusy)
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.ObservesProperty(() => IsBusy);
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ExportCommand = new DelegateCommand(ExportToExcel, () => !IsBusy && Items.Count > 0)
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.ObservesProperty(() => IsBusy);
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ClearCommand = new DelegateCommand(ClearFilters, () => !IsBusy)
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.ObservesProperty(() => IsBusy);
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// 分页命令
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FirstPageCommand = new DelegateCommand(async () => { if (PageIndex == 1) return; PageIndex = 1; await SearchAsync(); }, () => !IsBusy && PageIndex > 1)
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.ObservesProperty(() => IsBusy).ObservesProperty(() => PageIndex);
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PrevPageCommand = new DelegateCommand(async () => { if (PageIndex <= 1) return; PageIndex -= 1; await SearchAsync(); }, () => !IsBusy && PageIndex > 1)
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.ObservesProperty(() => IsBusy).ObservesProperty(() => PageIndex);
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NextPageCommand = new DelegateCommand(async () => { if (PageIndex >= TotalPages) return; PageIndex += 1; await SearchAsync(); }, () => !IsBusy && PageIndex < TotalPages)
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.ObservesProperty(() => IsBusy).ObservesProperty(() => PageIndex).ObservesProperty(() => TotalPages);
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LastPageCommand = new DelegateCommand(async () => { if (TotalPages <= 0 || PageIndex == TotalPages) return; PageIndex = TotalPages; await SearchAsync(); }, () => !IsBusy && PageIndex < TotalPages)
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.ObservesProperty(() => IsBusy).ObservesProperty(() => PageIndex).ObservesProperty(() => TotalPages);
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}
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#region 查询条件属性
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public string? RawCode { get => _rawCode; set { _rawCode = value; RaisePropertyChanged(); } }
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private string? _rawCode;
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public string? RawName { get => _rawName; set { _rawName = value; RaisePropertyChanged(); } }
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private string? _rawName;
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public string? Batch { get => _batch; set { _batch = value; RaisePropertyChanged(); } }
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private string? _batch;
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/// <summary>
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/// 原料来源（可空）
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/// </summary>
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public RawSource? SelectedRawSource { get => _selectedRawSource; set { _selectedRawSource = value; RaisePropertyChanged(); } }
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private RawSource? _selectedRawSource;
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/// <summary>
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/// 分拆状态（可空）
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/// </summary>
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public RawSplitState? SelectedRawState { get => _selectedRawState; set { _selectedRawState = value; RaisePropertyChanged(); } }
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private RawSplitState? _selectedRawState;
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/// <summary>
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/// 可绑定到下拉的枚举值列表
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/// </summary>
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public Array RawSourceValues => Enum.GetValues(typeof(RawSource));
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public Array RawSplitStateValues => Enum.GetValues(typeof(RawSplitState));
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public DateTime? StartTime { get => _startTime; set { _startTime = value; RaisePropertyChanged(); } }
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private DateTime? _startTime;
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public DateTime? EndTime { get => _endTime; set { _endTime = value; RaisePropertyChanged(); } }
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private DateTime? _endTime;
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#endregion
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#region 列表与状态
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/// <summary>
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/// 查询结果数据集合（DTO）
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/// </summary>
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public ObservableCollection<RawProInputDto> Items { get; }
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public bool IsBusy { get => _isBusy; set { _isBusy = value; RaisePropertyChanged(); } }
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private bool _isBusy;
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public int TotalCount { get => _totalCount; set { _totalCount = value; RaisePropertyChanged(); } }
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private int _totalCount;
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public int PageIndex { get => _pageIndex; set { _pageIndex = value < 1 ? 1 : value; RaisePropertyChanged(); } }
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private int _pageIndex = 1;
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public int PageSize
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{
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get => _pageSize;
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set
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{
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var v = value <= 0 ? 20 : value;
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if (_pageSize != v)
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{
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_pageSize = v;
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RaisePropertyChanged();
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PageIndex = 1;
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if (!IsBusy) _ = SearchAsync();
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}
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}
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}
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private int _pageSize = 20;
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public int TotalPages { get => _totalPages; set { _totalPages = value; RaisePropertyChanged(); } }
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private int _totalPages;
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#endregion
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#region 命令
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public DelegateCommand SearchCommand { get; }
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public DelegateCommand ExportCommand { get; }
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public DelegateCommand ClearCommand { get; }
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public DelegateCommand FirstPageCommand { get; }
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public DelegateCommand PrevPageCommand { get; }
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public DelegateCommand NextPageCommand { get; }
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public DelegateCommand LastPageCommand { get; }
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#endregion
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/// <summary>
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/// 清空条件
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/// </summary>
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private void ClearFilters()
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{
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RawCode = RawName = Batch = string.Empty;
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SelectedRawSource = null;
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SelectedRawState = null;
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StartTime = DateTime.Today;
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EndTime = DateTime.Today.AddDays(1).AddSeconds(-1);
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}
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/// <summary>
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/// 查询逻辑：支持枚举过滤、时间范围（CreateTime）、分页、按 CreateTime 倒序
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/// </summary>
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private async Task SearchAsync()
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{
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if (IsBusy) return;
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try
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{
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if (StartTime.HasValue && EndTime.HasValue && StartTime > EndTime)
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{
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MessageBox.Show("开始时间不能大于结束时间", "提示", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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IsBusy = true;
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_log.Info("RawProInput 查询开始");
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var data = await Task.Run(() =>
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{
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var q = _fsql.Select<RawProInput>();
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// 时间范围：CreateTime
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DateTime? start = StartTime;
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DateTime? end = EndTime;
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if (start.HasValue)
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q = q.Where(a => a.CreateTime >= start.Value);
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if (end.HasValue)
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{
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var endInclusive = end.Value;
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if (endInclusive.TimeOfDay == TimeSpan.Zero)
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endInclusive = endInclusive.Date.AddDays(1).AddTicks(-1);
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q = q.Where(a => a.CreateTime <= endInclusive);
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}
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if (!string.IsNullOrWhiteSpace(RawCode)) q = q.Where(a => a.RawCode.Contains(RawCode));
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if (!string.IsNullOrWhiteSpace(RawName)) q = q.Where(a => a.RawName.Contains(RawName));
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if (!string.IsNullOrWhiteSpace(Batch)) q = q.Where(a => a.Batch.Contains(Batch));
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if (SelectedRawSource.HasValue) q = q.Where(a => a.RawSource == SelectedRawSource.Value);
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if (SelectedRawState.HasValue) q = q.Where(a => a.RawState == SelectedRawState.Value);
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// 倒序
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q = q.OrderByDescending(a => a.CreateTime);
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// 分页
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var page = PageIndex < 1 ? 1 : PageIndex;
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var size = PageSize <= 0 ? 20 : PageSize;
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var list = q.Count(out var total)
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.Page(page, size)
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.ToList(a => new RawProInputDto
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{
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Id = a.Id,
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RawCode = a.RawCode,
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RawName = a.RawName,
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Weight = a.Weight,
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Batch = a.Batch,
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ShelfLife = a.ShelfLife,
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RawSource = a.RawSource.ToString(),
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RemainWeight = a.RemainWeight,
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RawState = a.RawState.ToString(),
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CreateTime = a.CreateTime
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});
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var pages = total <= 0 || size <= 0 ? 0 : (int)Math.Ceiling(total * 1.0 / size);
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if (pages > 0 && page > pages)
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{
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page = pages;
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list = q.Page(page, size).ToList(a => new RawProInputDto
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{
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Id = a.Id,
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RawCode = a.RawCode,
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RawName = a.RawName,
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Weight = a.Weight,
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Batch = a.Batch,
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ShelfLife = a.ShelfLife,
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RawSource = a.RawSource.ToString(),
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RemainWeight = a.RemainWeight,
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RawState = a.RawState.ToString(),
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CreateTime = a.CreateTime
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});
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}
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return (items: list, total: (int)total, normalizedPage: page, totalPages: pages);
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});
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Application.Current.Dispatcher.Invoke(() =>
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{
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Items.Clear();
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foreach (var it in data.items) Items.Add(it);
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TotalCount = data.total;
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TotalPages = data.totalPages;
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PageIndex = data.normalizedPage == 0 ? 1 : data.normalizedPage;
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});
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_log.Info($"RawProInput 查询完成，记录数: {TotalCount}");
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}
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catch (Exception ex)
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{
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_log.Error($"RawProInput 查询失败: {ex}");
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MessageBox.Show($"查询失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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finally
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{
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IsBusy = false;
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}
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}
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/// <summary>
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/// 导出当前页结果为 Excel（.xlsx）
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/// </summary>
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private void ExportToExcel()
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{
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if (IsBusy) return;
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if (Items.Count == 0)
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{
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MessageBox.Show("无可导出的数据", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
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return;
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}
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try
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{
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IsBusy = true;
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var sfd = new SaveFileDialog
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{
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Title = "导出为 Excel",
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Filter = "Excel 工作簿 (*.xlsx)|*.xlsx",
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FileName = $"RawProInput_{DateTime.Now:yyyyMMdd_HHmmss}.xlsx"
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};
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if (sfd.ShowDialog() != true) return;
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using IWorkbook workbook = new XSSFWorkbook();
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var sheet = workbook.CreateSheet("原料入库");
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// 表头
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var header = sheet.CreateRow(0);
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string[] headers = new[]
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{
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"Id","原料编号","原料名称","入库重量(kg)","批号","保质期(年)","原料来源","剩余重量(kg)","分拆状态","创建时间"
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};
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var headerFont = workbook.CreateFont();
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headerFont.IsBold = true;
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headerFont.FontHeightInPoints = 12;
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var headerStyle = workbook.CreateCellStyle();
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headerStyle.SetFont(headerFont);
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headerStyle.Alignment = HAlign.Center;
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headerStyle.VerticalAlignment = VAlign.Center;
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header.HeightInPoints = 20f;
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for (int i = 0; i < headers.Length; i++)
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{
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var hc = header.CreateCell(i);
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hc.SetCellValue(headers[i]);
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hc.CellStyle = headerStyle;
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}
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// 日期格式
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var dateStyle = workbook.CreateCellStyle();
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var dataFormat = workbook.CreateDataFormat();
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dateStyle.DataFormat = dataFormat.GetFormat("yyyy-mm-dd hh:mm:ss");
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// 数据
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for (int r = 0; r < Items.Count; r++)
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{
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var it = Items[r];
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var row = sheet.CreateRow(r + 1);
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int c = 0;
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row.CreateCell(c++).SetCellValue((double)it.Id);
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row.CreateCell(c++).SetCellValue(it.RawCode ?? string.Empty);
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row.CreateCell(c++).SetCellValue(it.RawName ?? string.Empty);
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row.CreateCell(c++).SetCellValue(it.Weight);
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row.CreateCell(c++).SetCellValue(it.Batch ?? string.Empty);
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row.CreateCell(c++).SetCellValue(it.ShelfLife);
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row.CreateCell(c++).SetCellValue(it.RawSource);
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row.CreateCell(c++).SetCellValue(it.RemainWeight);
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row.CreateCell(c++).SetCellValue(it.RawState);
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var cellCreateTime = row.CreateCell(c++);
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cellCreateTime.SetCellValue(it.CreateTime);
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cellCreateTime.CellStyle = dateStyle;
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}
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for (int i = 0; i < headers.Length; i++) sheet.AutoSizeColumn(i);
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using var fs = System.IO.File.OpenWrite(sfd.FileName);
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workbook.Write(fs);
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_log.Info($"RawProInput 导出完成: {sfd.FileName}");
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MessageBox.Show("导出成功", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
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}
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catch (Exception ex)
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{
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_log.Error($"RawProInput 导出失败: {ex}");
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MessageBox.Show($"导出失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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finally
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{
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IsBusy = false;
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}
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}
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public override async void OnNavigatedTo(Prism.Regions.NavigationContext navigationContext)
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{
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await SearchAsync();
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}
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}
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}
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