change - 添加控制台日志输出
parent
ab609394e4
commit
15edaebf44
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using System;
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using System.Collections.ObjectModel;
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using System.IO;
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using System.Text;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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namespace Sln.Wcs.UI.ViewModels;
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public partial class SystemMonitorViewModel : ObservableObject
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{
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[ObservableProperty]
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private ObservableCollection<LogEntry> _logs = new();
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[ObservableProperty]
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private int _logCount;
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[ObservableProperty]
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private string _filterText = string.Empty;
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[ObservableProperty]
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private bool _autoScroll = true;
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private const int MaxLogs = 5000;
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public SystemMonitorViewModel()
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{
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// 安装控制台输出拦截器
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var original = Console.Out;
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var writer = new LogTextWriter(original, entry =>
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{
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Avalonia.Threading.Dispatcher.UIThread.Post(() =>
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{
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Logs.Add(entry);
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if (Logs.Count > MaxLogs) Logs.RemoveAt(0);
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LogCount = Logs.Count;
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});
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});
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Console.SetOut(writer);
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}
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[RelayCommand]
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private void Clear()
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{
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Logs.Clear();
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LogCount = 0;
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}
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[RelayCommand]
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private void ToggleAutoScroll()
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{
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AutoScroll = !AutoScroll;
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}
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}
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public class LogEntry
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{
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public DateTime Time { get; set; }
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public string TimeText => Time.ToString("HH:mm:ss.fff");
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public string Message { get; set; } = string.Empty;
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public string Level { get; set; } = "INFO";
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}
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/// <summary>
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/// 拦截 Console.WriteLine 输出，同时写入原始输出和 ObservableCollection
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/// </summary>
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internal class LogTextWriter : TextWriter
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{
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private readonly TextWriter _original;
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private readonly Action<LogEntry> _onWrite;
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private readonly StringBuilder _buffer = new();
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public LogTextWriter(TextWriter original, Action<LogEntry> onWrite)
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{
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_original = original;
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_onWrite = onWrite;
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}
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public override Encoding Encoding => Encoding.UTF8;
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public override void Write(char value)
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{
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_original.Write(value);
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if (value == '\n')
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{
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FlushBuffer();
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}
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else if (value != '\r')
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{
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_buffer.Append(value);
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}
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}
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public override void WriteLine(string? message)
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{
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_original.WriteLine(message);
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if (message != null)
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{
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_onWrite(new LogEntry { Time = DateTime.Now, Message = message, Level = "INFO" });
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}
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}
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private void FlushBuffer()
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{
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var msg = _buffer.ToString();
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_buffer.Clear();
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if (msg.Length > 0)
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{
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_onWrite(new LogEntry { Time = DateTime.Now, Message = msg, Level = "INFO" });
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}
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}
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}
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@ -0,0 +1,42 @@
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<UserControl x:CompileBindings="False" xmlns="https://github.com/avaloniaui"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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x:Class="Sln.Wcs.UI.Views.SystemMonitorView">
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<Grid RowDefinitions="Auto,*" Margin="20,14,20,14" VerticalAlignment="Stretch">
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<!-- Toolbar -->
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<Grid Grid.Row="0" ColumnDefinitions="Auto,*,Auto,Auto" Margin="0,0,0,8">
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<StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="6">
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<Ellipse Width="8" Height="8" Fill="#00E676" VerticalAlignment="Center" />
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<TextBlock Text="系统监控" FontSize="15" FontWeight="SemiBold" Foreground="#DDE4F0" VerticalAlignment="Center" />
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</StackPanel>
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<StackPanel Grid.Column="2" Orientation="Horizontal" Spacing="6" Margin="0,0,10,0">
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<TextBlock Text="{Binding LogCount, StringFormat='共 {0} 条'}" FontSize="12" Foreground="#6B8CB5" VerticalAlignment="Center" />
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</StackPanel>
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<Button Grid.Column="3" Content="清空" Command="{Binding ClearCommand}"
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Background="#0F1F38" Foreground="#8B9BB5" Padding="12,5" FontSize="12" Margin="0,0,6,0" />
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<Button Grid.Column="4" Content="{Binding AutoScroll, StringFormat={}{0} auto?}" Command="{Binding ToggleAutoScrollCommand}"
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Background="#0F1F38" Foreground="#8B9BB5" Padding="12,5" FontSize="12" />
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</Grid>
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<!-- Log List -->
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<Border Grid.Row="1" Background="#0C1622" CornerRadius="6" BorderBrush="#1A2F4A" BorderThickness="1">
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<ListBox x:Name="LogList" ItemsSource="{Binding Logs}"
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Background="Transparent" Foreground="#BCC8D6" BorderThickness="0"
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>
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<ListBox.ItemTemplate>
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<DataTemplate>
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<Border Padding="10,3" BorderBrush="#1A2F4A" BorderThickness="0,0,0,1">
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<StackPanel Orientation="Horizontal" Spacing="10">
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<TextBlock Text="{Binding TimeText}"
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FontSize="11" Foreground="#4B5E7A" FontFamily="Menlo,Consolas,monospace"
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VerticalAlignment="Center" Width="100" />
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<TextBlock Text="{Binding Message}"
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FontSize="11" Foreground="#8B9BB5" FontFamily="Menlo,Consolas,monospace"
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TextWrapping="Wrap" VerticalAlignment="Center" />
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</StackPanel>
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</Border>
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</DataTemplate>
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</ListBox.ItemTemplate>
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</ListBox>
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</Border>
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</Grid>
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</UserControl>
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@ -0,0 +1,17 @@
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using Avalonia.Controls;
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using Sln.Wcs.UI.ViewModels;
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namespace Sln.Wcs.UI.Views;
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public partial class SystemMonitorView : UserControl
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{
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public SystemMonitorView()
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{
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InitializeComponent();
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}
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public SystemMonitorView(SystemMonitorViewModel vm) : this()
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{
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DataContext = vm;
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}
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}
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