设备单独控制界面
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147
DeviceEditModule/ViewModels/IT6036CViewModel.cs
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147
DeviceEditModule/ViewModels/IT6036CViewModel.cs
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using DeviceCommand.Devices;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using UIShare.GlobalVariable;
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using UIShare.ViewModelBase;
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namespace DeviceEditModule.ViewModels
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{
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public class IT6036CViewModel : NavigateViewModelBase, IDisposable
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{
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#region 私有字段
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private readonly DeviceManager _deviceManager;
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private IT6036C? _device;
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private CancellationTokenSource? _cts;
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#endregion
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#region 属性
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private string _deviceName = "IT6036C";
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public string DeviceName
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{
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get => _deviceName;
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set => SetProperty(ref _deviceName, value);
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}
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private bool _isConnected;
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public bool IsConnected
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{
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get => _isConnected;
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set => SetProperty(ref _isConnected, value);
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}
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private bool _isBusy;
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/// <summary>正在执行设备命令时为 true,用于 UI 忙碌状态指示。</summary>
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public bool IsBusy
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{
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get => _isBusy;
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set => SetProperty(ref _isBusy, value);
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}
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private string _responseLog = string.Empty;
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/// <summary>命令响应日志(最新消息在顶部)。</summary>
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public string ResponseLog
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{
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get => _responseLog;
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set => SetProperty(ref _responseLog, value);
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}
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#endregion
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#region 命令
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#endregion
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public IT6036CViewModel(IContainerProvider containerProvider) : base(containerProvider)
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{
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_deviceManager = containerProvider.Resolve<DeviceManager>();
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}
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public void Dispose()
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{
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_cts?.Cancel();
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_cts?.Dispose();
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}
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#region 初始化 / Navigation
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/// <summary>
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/// 从 DeviceManager 中查找IT6036C设备实例。
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/// 优先按 <paramref name="deviceName"/> 查找,否则取第一个匹配类型的设备。
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/// </summary>
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public void Initialize(string? deviceName = null)
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{
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IT6036C? found = null;
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string? foundName = null;
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if (deviceName != null &&
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_deviceManager.DeviceMap.TryGetValue(deviceName, out var d) &&
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d is IT6036C e)
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{
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found = e;
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foundName = deviceName;
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}
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else
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{
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foreach (var kv in _deviceManager.DeviceMap)
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{
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if (kv.Value is IT6036C it)
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{
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found = it;
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foundName = kv.Key;
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break;
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}
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}
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}
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_device = found;
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DeviceName = foundName ?? "IT7800E (未找到)";
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IsConnected = _device?.IsConnected ?? false;
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AppendLog(found != null
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? $"已关联设备 [{DeviceName}],连接状态:{(IsConnected ? "已连接" : "未连接")}"
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: "未在 DeviceManager 中找到 IT7800E 设备,请先初始化设备配置。");
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}
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#region 辅助
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private CancellationToken Ct() => (_cts = new CancellationTokenSource(TimeSpan.FromSeconds(10))).Token;
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private async Task Exec(Func<Task> action)
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{
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if (_device == null)
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{
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AppendLog("错误:未关联到设备实例,请检查设备配置。");
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return;
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}
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if (IsBusy) return;
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IsBusy = true;
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try
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{
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await action();
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IsConnected = _device.IsConnected;
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}
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catch (OperationCanceledException)
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{
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AppendLog("命令超时或已取消。");
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}
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catch (Exception ex)
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{
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AppendLog($"错误:{ex.Message}");
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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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private void AppendLog(string message)
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{
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var line = $"[{DateTime.Now:HH:mm:ss}] {message}";
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ResponseLog = ResponseLog.Length > 4000
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? line + "\n" + ResponseLog[..3000]
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: line + "\n" + ResponseLog;
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}
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#endregion
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public override void OnNavigatedTo(NavigationContext context)
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{
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var name = context.Parameters.GetValue<string?>("DeviceName");
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Initialize(name);
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}
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#endregion
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}
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}
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