新增打印模板管理功能，包含免密接口和实时通知机制，支持桌面端打印模板的查询和列表展示。更新相关控制器、服务和视图，优化用户体验并增强系统的实时数据同步能力。

2026-05-12 18:29:03 +08:00
parent f5ba828eff
commit fcedc66f7a
32 changed files with 2788 additions and 2 deletions
--- a/yy-admin-master/YY.Admin/ViewModels/Print/PrintSettingsViewModel.cs
+++ b/yy-admin-master/YY.Admin/ViewModels/Print/PrintSettingsViewModel.cs
@@ -0,0 +1,142 @@
+using System.Collections.ObjectModel;
+using System.Windows;
+using Prism.Commands;
+using YY.Admin.Core.Entity;
+using YY.Admin.Core.Services;
+using YY.Admin.Services.Service.Print;
+using YY.Admin.Core;
+
+namespace YY.Admin.ViewModels.Print;
+
+public class PrintSettingsViewModel : BaseViewModel
+{
+    private readonly IPrintDotService _printDotService;
+    private readonly IPrintTemplateService _printTemplateService;
+
+    // ── 连接设置 ──────────────────────────────────────────────────────────
+
+    private string _wsUrl = "ws://127.0.0.1:1122/ws";
+    public string WsUrl
+    {
+        get => _wsUrl;
+        set => SetProperty(ref _wsUrl, value);
+    }
+
+    // ── 打印机列表 ──────────────────────────────────────────────────────────
+
+    public ObservableCollection<PrintDotPrinter> Printers { get; } = new();
+
+    private PrintDotPrinter? _selectedPrinter;
+    public PrintDotPrinter? SelectedPrinter
+    {
+        get => _selectedPrinter;
+        set => SetProperty(ref _selectedPrinter, value);
+    }
+
+    // ── 模板列表 ────────────────────────────────────────────────────────────
+
+    public ObservableCollection<PrintTemplate> Templates { get; } = new();
+
+    // ── 状态 ────────────────────────────────────────────────────────────────
+
+    private bool _isBusy;
+    public bool IsBusy
+    {
+        get => _isBusy;
+        set => SetProperty(ref _isBusy, value);
+    }
+
+    private string _statusMessage = string.Empty;
+    public string StatusMessage
+    {
+        get => _statusMessage;
+        set => SetProperty(ref _statusMessage, value);
+    }
+
+    // ── 命令 ────────────────────────────────────────────────────────────────
+
+    public DelegateCommand TestConnectionCommand { get; }
+    public DelegateCommand SaveCommand { get; }
+    public DelegateCommand RefreshTemplatesCommand { get; }
+
+    public PrintSettingsViewModel(
+        IPrintDotService printDotService,
+        IPrintTemplateService printTemplateService,
+        IContainerExtension container,
+        IRegionManager regionManager) : base(container, regionManager)
+    {
+        _printDotService = printDotService;
+        _printTemplateService = printTemplateService;
+
+        TestConnectionCommand    = new DelegateCommand(async () => await TestConnectionAsync());
+        SaveCommand              = new DelegateCommand(SaveSettings);
+        RefreshTemplatesCommand  = new DelegateCommand(async () => await RefreshTemplatesAsync());
+
+        // 加载已保存的设置
+        var saved = PrintDotSettings.Load();
+        WsUrl = saved.WsUrl;
+        if (!string.IsNullOrWhiteSpace(saved.SelectedPrinter))
+            _selectedPrinter = new PrintDotPrinter(saved.SelectedPrinter, false);
+    }
+
+    private async Task TestConnectionAsync()
+    {
+        IsBusy = true;
+        StatusMessage = "正在连接...";
+        Printers.Clear();
+        try
+        {
+            // 临时用当前输入的 URL 测试
+            PrintDotSettings.Current!.WsUrl = WsUrl;
+            var list = await _printDotService.GetPrintersAsync();
+            foreach (var p in list) Printers.Add(p);
+
+            // 还原保存的已选打印机
+            var saved = PrintDotSettings.Load();
+            var match = list.FirstOrDefault(p => p.Name == saved.SelectedPrinter);
+            SelectedPrinter = match ?? (list.Count > 0 ? list[0] : null);
+
+            StatusMessage = $"连接成功，共 {list.Count} 台打印机";
+        }
+        catch (Exception ex)
+        {
+            StatusMessage = $"连接失败：{ex.Message}";
+        }
+        finally
+        {
+            IsBusy = false;
+        }
+    }
+
+    private void SaveSettings()
+    {
+        var settings = new PrintDotSettings
+        {
+            WsUrl = WsUrl.Trim(),
+            SelectedPrinter = SelectedPrinter?.Name ?? string.Empty
+        };
+        settings.Save();
+        StatusMessage = "设置已保存";
+        MessageBox.Show("PrintDot 设置已保存", "保存成功", MessageBoxButton.OK, MessageBoxImage.Information);
+    }
+
+    private async Task RefreshTemplatesAsync()
+    {
+        IsBusy = true;
+        Templates.Clear();
+        try
+        {
+            var list = await _printTemplateService.ListAsync();
+            foreach (var t in list) Templates.Add(t);
+            StatusMessage = $"已加载 {list.Count} 个打印模板";
+        }
+        catch (Exception ex)
+        {
+            StatusMessage = $"加载模板失败：{ex.Message}";
+        }
+        finally
+        {
+            IsBusy = false;
+        }
+    }
+}