给设置界面添加数据库的配置

App.xaml.cs

@@ -48,11 +48,20 @@ public partial class App : Application
     {
         base.OnStartup(e);
         await Host.StartAsync();
-        InitializeDataBase();
+
-        InitializeMenu()
+        try
-            .Await((e) => { NotificationHelper.ShowMessage($"初始化主菜单失败：{e.Message}"); },
+        {
-                   () => { MessageHelper.SendLoadMessage(LoadTypes.Menu); });
+            InitializeDataBase();
-        Host.Services.GetRequiredService<GrowlNotificationService>();
+            InitializeMenu()
+                .Await((e) => { NotificationHelper.ShowMessage($"初始化主菜单失败：{e.Message}"); },
+                       () => { MessageHelper.SendLoadMessage(LoadTypes.Menu); });
+            Host.Services.GetRequiredService<GrowlNotificationService>();
+        }
+        catch (Exception exception)
+        {
+            NotificationHelper.ShowMessage("加载数据时发生错误，如果是连接字符串不正确，可以在设置界面更改：{exception.Message}",NotificationType.Error);
+        }
+        
         MainWindow = Host.Services.GetRequiredService<MainView>();
         MainWindow.Show();
     }

Config/ConnectionSettings.cs

@@ -0,0 +1,40 @@
+using System;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace PMSWPF.Config
+{
+    public class ConnectionSettings
+    {
+        public string DbType { get; set; } = "MySql";
+        public string Server { get; set; } = "127.0.0.1";
+        public int Port { get; set; } = 3306;
+        public string UserId { get; set; } = "root";
+        public string Password { get; set; } = "Pgw15221236646";
+        public string Database { get; set; } = "pmswpf";
+
+        private static readonly string SettingsFilePath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "connectionSettings.json");
+
+        public static ConnectionSettings Load()
+        {
+            if (File.Exists(SettingsFilePath))
+            {
+                string json = File.ReadAllText(SettingsFilePath);
+                return JsonConvert.DeserializeObject<ConnectionSettings>(json);
+            }
+            return new ConnectionSettings(); // Return default settings if file doesn't exist
+        }
+
+        public void Save()
+        {
+            string json = JsonConvert.SerializeObject(this, Formatting.Indented);
+            File.WriteAllText(SettingsFilePath, json);
+        }
+
+        public string ToConnectionString()
+        {
+            // This example is for MySQL. You'll need to adjust for other database types.
+            return $"server={Server};port={Port};user={UserId};password={Password};database={Database};";
+        }
+    }
+}

Data/DbContext.cs

@@ -6,11 +6,14 @@ public class DbContext
 {
     public static SqlSugarClient GetInstance()
     {
-        var connectionString = "server=127.0.0.1;port=3306;user=root;password=Pgw15221236646; database=pmswpf;";
+        var settings = PMSWPF.Config.ConnectionSettings.Load();
+        var connectionString = settings.ToConnectionString();
+        var dbType = (SqlSugar.DbType)Enum.Parse(typeof(SqlSugar.DbType), settings.DbType);
+
         var _db = new SqlSugarClient(new ConnectionConfig
         {
             ConnectionString = connectionString,
-            DbType = DbType.MySql, // 根据实际数据库类型修改，如DbType.MySql等
+            DbType = dbType, // 根据实际数据库类型修改，如DbType.MySql等
             IsAutoCloseConnection = true,
             InitKeyType = InitKeyType.Attribute
         });

PMSWPF.csproj

@@ -21,10 +21,12 @@
         <PackageReference Include="Microsoft.Xaml.Behaviors.Wpf" Version="1.1.135" />
         <PackageReference Include="MQTTnet" Version="3.0.16" />
         <PackageReference Include="MySql.Data" Version="9.3.0" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
         <PackageReference Include="NLog" Version="6.0.0" />
         <PackageReference Include="NLog.Database" Version="6.0.0" />
         <PackageReference Include="NPOI" Version="2.7.4" />
         <PackageReference Include="S7netplus" Version="0.20.0" />
+        <PackageReference Include="SqlSugarCore" Version="5.1.4.197" />
         <PackageReference Include="SqlSugarCore.MySql" Version="5.1.4.178" />
         <PackageReference Include="SqlSugarCoreNoDrive" Version="5.1.4.193" />
     </ItemGroup>

ViewModels/SettingViewModel.cs

@@ -1,6 +1,125 @@
+using CommunityToolkit.Mvvm.Input;
+using PMSWPF.Config;
+using PMSWPF.Data;
+using PMSWPF.Helper;
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
 namespace PMSWPF.ViewModels;
 
-public class SettingViewModel : ViewModelBase
+public partial class SettingViewModel : ViewModelBase
 {
+    private ConnectionSettings _connectionSettings;
 
+    public SettingViewModel()
+    {
+        _connectionSettings = ConnectionSettings.Load();
+        AvailableDbTypes = Enum.GetNames(typeof(SqlSugar.DbType)).ToList();
+    }
+
+    public List<string> AvailableDbTypes { get; set; }
+
+    public string SelectedDbType
+    {
+        get => _connectionSettings.DbType;
+        set
+        {
+            if (_connectionSettings.DbType != value)
+            {
+                _connectionSettings.DbType = value;
+                OnPropertyChanged();
+                _connectionSettings.Save();
+            }
+        }
+    }
+
+    public string Server
+    {
+        get => _connectionSettings.Server;
+        set
+        {
+            if (_connectionSettings.Server != value)
+            {
+                _connectionSettings.Server = value;
+                OnPropertyChanged();
+                _connectionSettings.Save();
+            }
+        }
+    }
+
+    public int Port
+    {
+        get => _connectionSettings.Port;
+        set
+        {
+            if (_connectionSettings.Port != value)
+            {
+                _connectionSettings.Port = value;
+                OnPropertyChanged();
+                _connectionSettings.Save();
+            }
+        }
+    }
+
+    public string UserId
+    {
+        get => _connectionSettings.UserId;
+        set
+        {
+            if (_connectionSettings.UserId != value)
+            {
+                _connectionSettings.UserId = value;
+                OnPropertyChanged();
+                _connectionSettings.Save();
+            }
+        }
+    }
+
+    public string Password
+    {
+        get => _connectionSettings.Password;
+        set
+        {
+            if (_connectionSettings.Password != value)
+            {
+                _connectionSettings.Password = value;
+                OnPropertyChanged();
+                _connectionSettings.Save();
+            }
+        }
+    }
+
+    public string Database
+    {
+        get => _connectionSettings.Database;
+        set
+        {
+            if (_connectionSettings.Database != value)
+            {
+                _connectionSettings.Database = value;
+                OnPropertyChanged();
+                _connectionSettings.Save();
+            }
+        }
+    }
+
+    [RelayCommand]
+    private async Task TestConnection()
+    {
+        try
+        {
+            using (var db = DbContext.GetInstance())
+            {
+                await db.Ado.OpenAsync();
+                NotificationHelper.ShowMessage("连接成功！");
+            }
+        }
+        catch (Exception ex)
+        {
+            NotificationHelper.ShowMessage($"连接失败：{ex.Message}");
+        }
+    }
 }

Views/SettingView.xaml

@@ -3,7 +3,133 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:ui="http://schemas.inkore.net/lib/ui/wpf/modern"
+             xmlns:ikw="http://schemas.inkore.net/lib/ui/wpf"
              mc:Ignorable="d"
-             d:DesignHeight="300" d:DesignWidth="300">
+             d:DesignHeight="450"
-    <Grid />
+             d:DesignWidth="800">
+    <StackPanel>
+
+        <ui:SettingsExpander x:Name="dbSettingCard"
+                             Header="设置数据库"
+                             Description="设置要连接的数据库，数据全部在数据库中存放">
+            <ui:SettingsExpander.HeaderIcon>
+                <ui:FontIcon Icon="{x:Static ui:SegoeFluentIcons.DataSense}"
+                             VerticalAlignment="Center"
+                             Margin="0,0,8,0"
+                             FontSize="14" />
+            </ui:SettingsExpander.HeaderIcon>
+            
+            <Button Content="测试连接"
+                    Command="{Binding TestConnectionCommand}"
+                    Style="{StaticResource AccentButtonStyle}"
+                    Margin="0,10,0,0"
+                    HorizontalAlignment="Left" />
+            
+            <ui:SettingsExpander.Items>
+                <ui:SettingsCard HorizontalAlignment="Left"
+                                 Width="{Binding ElementName=dbSettingCard ,Path=Width}">
+                    <ikw:SimpleStackPanel Orientation="Horizontal"
+                                          Spacing="10">
+                        <TextBlock Text="数据库类型:"
+                                   FontSize="14"
+                                   VerticalAlignment="Center"
+                                   Margin="30,0,10,0" />
+                        <ComboBox Grid.Column="1"
+                                  MinWidth="200"
+                                  ItemsSource="{Binding AvailableDbTypes}"
+                                  SelectedItem="{Binding SelectedDbType}" />
+                    </ikw:SimpleStackPanel>
+                </ui:SettingsCard>
+
+
+                <ui:SettingsCard HorizontalAlignment="Left"
+                                 Width="{Binding ElementName=dbSettingCard ,Path=Width}">
+                    <ikw:SimpleStackPanel Orientation="Horizontal"
+                                          Spacing="10">
+                        <TextBlock Text="服务器地址:"
+                                   VerticalAlignment="Center"
+                                   Margin="0,0,10,0" />
+                        <TextBox Grid.Column="1"
+                                 Text="{Binding Server, UpdateSourceTrigger=PropertyChanged}" />
+                    </ikw:SimpleStackPanel>
+                </ui:SettingsCard>
+                 <ui:SettingsCard HorizontalAlignment="Left"
+                                 Width="{Binding ElementName=dbSettingCard ,Path=Width}">
+                    <ikw:SimpleStackPanel Orientation="Horizontal"
+                                          Spacing="10">
+                        <TextBlock Text="服务器端口:"
+                                   VerticalAlignment="Center"
+                                   Margin="0,0,10,0" />
+                        <TextBox Grid.Column="1"
+                                 Text="{Binding Port, UpdateSourceTrigger=PropertyChanged}" />
+                    </ikw:SimpleStackPanel>
+                </ui:SettingsCard>
+                
+                
+                <ui:SettingsCard HorizontalAlignment="Left"
+                                 Width="{Binding ElementName=dbSettingCard ,Path=Width}">
+                    <ikw:SimpleStackPanel Orientation="Horizontal"
+                                          Spacing="10">
+                        <TextBlock Text="用户名:"
+                                   VerticalAlignment="Center"
+                                   Margin="0,0,10,0" />
+                        <TextBox Grid.Column="1"
+                                 Text="{Binding UserId, UpdateSourceTrigger=PropertyChanged}" />
+                    </ikw:SimpleStackPanel>
+                </ui:SettingsCard>
+                
+                <ui:SettingsCard HorizontalAlignment="Left"
+                                 Width="{Binding ElementName=dbSettingCard ,Path=Width}">
+                    <ikw:SimpleStackPanel Orientation="Horizontal"
+                                          Spacing="10">
+                        <TextBlock Text="密码:"
+                                   VerticalAlignment="Center"
+                                   Margin="0,0,10,0" />
+                        <TextBox Grid.Column="1"
+                                 Text="{Binding Password, UpdateSourceTrigger=PropertyChanged}" />
+                    </ikw:SimpleStackPanel>
+                </ui:SettingsCard>
+                
+                <ui:SettingsCard HorizontalAlignment="Left"
+                                 Width="{Binding ElementName=dbSettingCard ,Path=Width}">
+                    <ikw:SimpleStackPanel Orientation="Horizontal"
+                                          Spacing="10">
+                        <TextBlock Text="数据库名称:"
+                                   VerticalAlignment="Center"
+                                   Margin="0,0,10,0" />
+                        <TextBox Grid.Column="1"
+                                 Text="{Binding Database, UpdateSourceTrigger=PropertyChanged}" />
+                    </ikw:SimpleStackPanel>
+                </ui:SettingsCard>
+               
+
+            </ui:SettingsExpander.Items>
+
+        </ui:SettingsExpander>
+
+        <ui:SettingsExpander Header="SettingsExpander"
+                             Description="The SettingsExpander has the same properties as a SettingsCard">
+            <ui:SettingsExpander.HeaderIcon>
+                <ui:FontIcon Glyph="&#xE91B;" />
+            </ui:SettingsExpander.HeaderIcon>
+
+            <Button Content="Content"
+                    Style="{StaticResource AccentButtonStyle}" />
+
+            <ui:SettingsExpander.Items>
+                <ui:SettingsCard Header="A basic SettingsCard within an SettingsExpander">
+                    <Button Content="Button" />
+                </ui:SettingsCard>
+                <ui:SettingsCard Description="SettingsCard within an Expander can be made clickable too!"
+                                 Header="This item can be clicked"
+                                 IsClickEnabled="True" />
+                <ui:SettingsCard ContentAlignment="Left">
+                    <CheckBox
+                        Content="Here the ContentAlignment is set to Left. This is great for e.g. CheckBoxes or RadioButtons" />
+                </ui:SettingsCard>
+            </ui:SettingsExpander.Items>
+        </ui:SettingsExpander>
+
+    </StackPanel>
 </UserControl>

Views/SettingView.xaml.cs

@@ -1,3 +1,4 @@
+using PMSWPF.ViewModels;
 using System.Windows.Controls;
 
 namespace PMSWPF.Views;
@@ -7,5 +8,6 @@ public partial class SettingView : UserControl
     public SettingView()
     {
         InitializeComponent();
+        DataContext = new SettingViewModel();
     }
 }