连接数据库异常添加紧急开锁功能
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@ -32,6 +32,7 @@ namespace DM_Weight
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/// </summary>
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public partial class App : PrismApplication
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{
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public static bool DbConnectionFail { get; set; } = false;
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private readonly ILog logger = LogManager.GetLogger(typeof(App));
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public App()
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{
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@ -58,6 +59,11 @@ namespace DM_Weight
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{
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logger.Error($"发生错误：{e.Exception.Message}");
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e.Handled = true;
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if (e.Exception.Message.Contains("连接数据库过程中发生错误"))
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{
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DbConnectionFail = true;
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Container.Resolve<MainWindow>();
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}
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}
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void OnUnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
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@ -258,6 +264,9 @@ namespace DM_Weight
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containerRegistry.RegisterForNavigation<EmptyWindow, EmptyWindowViewModel>();
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//紧急开锁页面
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containerRegistry.RegisterForNavigation<EmergencyWindow, EmergencyWindowViewModel>();
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}
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}
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@ -0,0 +1,82 @@
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using DM_Weight.Models;
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using DM_Weight.msg;
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using DM_Weight.Port;
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using DM_Weight.util;
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using log4net;
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using Prism.Commands;
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using Prism.Events;
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using Prism.Mvvm;
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using Prism.Regions;
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using System;
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using System.Collections;
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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 System.Windows.Threading;
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namespace DM_Weight.ViewModels
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{
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public class EmergencyWindowViewModel : BindableBase
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{
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private readonly ILog logger = LogManager.GetLogger(typeof(HomeWindowViewModel));
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IEventAggregator _eventAggregator;
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private PortUtil _portUtil;
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IRegionManager _regionManager;
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private bool _dbConnectionFail = !App.DbConnectionFail;
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public bool DBConnectionStatus { get => _dbConnectionFail; set => SetProperty(ref _dbConnectionFail, value); }
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private int _status;
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public int Status { get => _status; set => SetProperty(ref _status, value); }
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public EmergencyWindowViewModel(IRegionManager regionManager, PortUtil portUtil, IEventAggregator eventAggregator)
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{
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_portUtil = portUtil;
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_eventAggregator = eventAggregator;
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_regionManager = regionManager;
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CheckDBConnect();
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}
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public DelegateCommand<string> OpenDrawer
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{
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get => new DelegateCommand<string>((DrawerNo) =>
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{
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//应急开锁
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logger.Info($"应急开锁正在打开{DrawerNo}号抽屉");
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Status = 1;
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_portUtil.SpeakAsync("正在打开" + DrawerNo + "号抽屉");
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_portUtil.WindowName = "EmergencyWindow";
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_portUtil.BoardType = 1;
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_portUtil.ColNos = new int[] { 1 };
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_portUtil.DrawerNo = Convert.ToInt32(DrawerNo);
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Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Normal, () => _portUtil.OpenDrawer());
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}
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);
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}
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public DelegateCommand ReturnLoginDelegate
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{
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get => new DelegateCommand(() =>
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{
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_regionManager.RequestNavigate("MainRegion", "LoginWindow");
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});
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}
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//间隔1分钟查询数据库连接状态
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private void CheckDBConnect()
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{
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new PromiseUtil<int>().taskAsyncLoop(60000, 0, async (options, next, stop) =>
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{
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try
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{
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var userList = SqlSugarHelper.Db.Queryable<UserList>()
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.First(u => u.UserName == "admin");
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App.DbConnectionFail = false;
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DBConnectionStatus = true;
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stop();
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}
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catch (Exception ex)
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{
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next();
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}
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});
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}
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}
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}
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@ -78,8 +78,12 @@ namespace DM_Weight.ViewModels
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//_container.RegisterType<object, LoginWindow>("LoginWindow");
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//_regionManager.RegisterViewWithRegion("MainRegion", "LoginWindow");
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_regionManager.RequestNavigate("MainRegion", "LoginWindow");
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if (App.DbConnectionFail)
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{
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_regionManager.RequestNavigate("MainRegion", "EmergencyWindow");
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}
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else
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_regionManager.RequestNavigate("MainRegion", "LoginWindow");
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}));
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}
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@ -0,0 +1,91 @@
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<UserControl x:Class="DM_Weight.Views.EmergencyWindow"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:local="clr-namespace:DM_Weight.Views"
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mc:Ignorable="d"
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xmlns:pagination="clr-namespace:DM_Weight.Components.pagination"
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xmlns:prism="http://prismlibrary.com/"
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prism:ViewModelLocator.AutoWireViewModel="True"
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xmlns:convert="clr-namespace:DM_Weight.Converter"
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xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition Height="80"></RowDefinition>
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<RowDefinition></RowDefinition>
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<RowDefinition Height="Auto"></RowDefinition>
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</Grid.RowDefinitions>
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<Grid Background="#00bcd4">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="Auto" />
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<ColumnDefinition />
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</Grid.ColumnDefinitions>
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<Image Grid.Column="0" Margin="30 0 30 0" HorizontalAlignment="Left" Width="Auto" Height="26" Source="/Images/logo.png" />
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</Grid>
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<Grid Grid.Row="1" Margin="6">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="Auto" />
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<ColumnDefinition Width="Auto" />
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</Grid.ColumnDefinitions>
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<Grid Margin="0" Grid.Column="0" Width="280" Visibility="{Binding Is8Drawer, Converter={StaticResource BooleanToVisibilityConverter}}">
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<Grid.Background>
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<ImageBrush ImageSource="/Images/box.png" />
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</Grid.Background>
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<Grid.RowDefinitions>
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<RowDefinition Height="200" />
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<RowDefinition />
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</Grid.RowDefinitions>
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<Grid Grid.Row="1" Height="470" Margin="0 50 0 0">
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<Grid.RowDefinitions>
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<RowDefinition />
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<RowDefinition />
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<RowDefinition />
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<RowDefinition />
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<RowDefinition />
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<RowDefinition />
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<RowDefinition />
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<RowDefinition />
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</Grid.RowDefinitions>
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<Grid.Resources>
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<Style TargetType="{x:Type Button}" BasedOn="{StaticResource MaterialDesignPaperLightButton}">
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<Setter Property="Foreground" Value="#00a0ea" />
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<Setter Property="BorderBrush" Value="#00a0ea" />
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</Style>
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</Grid.Resources>
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<Button Grid.Row="0" Width="210" Content="1" Command="{Binding OpenDrawer}" CommandParameter="1" />
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<Button Grid.Row="1" Width="210" Content="2" Command="{Binding OpenDrawer}" CommandParameter="2" />
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<Button Grid.Row="2" Width="210" Content="3" Command="{Binding OpenDrawer}" CommandParameter="3" />
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<Button Grid.Row="3" Width="210" Content="4" Command="{Binding OpenDrawer}" CommandParameter="4" />
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<Button Grid.Row="4" Width="210" Content="5" Command="{Binding OpenDrawer}" CommandParameter="5" />
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<Button Grid.Row="5" Width="210" Content="6" Command="{Binding OpenDrawer}" CommandParameter="6" />
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<Button Grid.Row="6" Width="210" Content="7" Command="{Binding OpenDrawer}" CommandParameter="7" />
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<Button Grid.Row="7" Width="210" Content="8" Command="{Binding OpenDrawer}" CommandParameter="8" />
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</Grid>
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</Grid>
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<Grid Grid.Column="1">
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto"/>
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<RowDefinition Height="Auto"/>
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</Grid.RowDefinitions>
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<StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
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<Button Margin="0 0 6 0" Content="返回登录" Command="{Binding ReturnLoginDelegate}" CommandParameter="0"
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Visibility="{Binding DBConnectionStatus, Converter={StaticResource BooleanToVisibilityConverter}}" Style="{StaticResource MaterialDesignOutlinedLightButton}"/>
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</StackPanel>
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<StackPanel HorizontalAlignment="Left" Orientation="Horizontal" Grid.Row="1">
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<GroupBox Width="800px"
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Header="重要提示"
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Style="{StaticResource MaterialDesignGroupBox}"
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Margin="16"
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materialDesign:ColorZoneAssist.Mode="SecondaryMid">
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<TextBlock Foreground="Red" FontWeight="Bold" FontSize="16" Text="数据库连接失败，此页面为紧急开锁页面!!!" />
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</GroupBox>
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</StackPanel>
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<!--<materialDesign:Snackbar
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Background="{Binding SnackbarBackground}"
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MessageQueue="{Binding SnackbarMessageQueue}"/>-->
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</Grid>
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</Grid>
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</Grid>
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</UserControl>
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@ -0,0 +1,28 @@
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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 System.Windows;
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using System.Windows.Controls;
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using System.Windows.Data;
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using System.Windows.Documents;
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using System.Windows.Input;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using System.Windows.Navigation;
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using System.Windows.Shapes;
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namespace DM_Weight.Views
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{
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/// <summary>
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/// EmergencyWindow.xaml 的交互逻辑
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/// </summary>
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public partial class EmergencyWindow : UserControl
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{
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public EmergencyWindow()
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{
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InitializeComponent();
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}
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}
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}
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