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feat & fix: 可查询学生, 修复连续创建班级编号重复问题, 能显示部分使用的 sql 语句
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优化了院系相关的 ComboBox 显示的内容, 改成 DepartmentName
相关 issues: #1, #2
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@LovelyCatHyt
LovelyCatHyt committed May 16, 2022
1 parent 9fb4e4a commit 3be0666
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Showing 6 changed files with 208 additions and 57 deletions.
3 changes: 3 additions & 0 deletions StudentManagerSystem/Entities/NaturalClass.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,9 @@ public string DepartmentName
/// <para>外键</para>
/// </summary>
public string MajorName { get; set; } = "";
[NotMapped]
public string[] MajorNames => _context.Set<Major>().Where(m => m.DepartmentId == DepartmentId)
.Select(m => m.MajorName).ToArray();
/// <summary>
/// 专业
/// <para>导航属性</para>
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82 changes: 63 additions & 19 deletions StudentManagerSystem/MainWindow.xaml
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:StudentManageSystem"
mc:Ignorable="d"
Title="MainWindow" Height="600" Width="1000" HorizontalContentAlignment="Left">
Title="MainWindow" Height="600" Width="1200" HorizontalContentAlignment="Left">
<Window.Resources>
<CollectionViewSource x:Key="studentViewSource"/>
<CollectionViewSource x:Key="classViewSource"/>
Expand All @@ -18,13 +18,13 @@
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="4*"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="2*"/>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="3*"/>
<ColumnDefinition Width="3*" />
</Grid.ColumnDefinitions>
<!--学生表-->
<DataGrid x:Name="studentsDataGrid" AutoGenerateColumns="False"
Expand All @@ -34,7 +34,8 @@
ItemsSource="{Binding Source={StaticResource studentViewSource}}"
Margin="5,5,5,5"
RowDetailsVisibilityMode="VisibleWhenSelected"
CanUserAddRows="False" CurrentCellChanged="DataGridCellChanged" MouseDown="DataGridMouseDown">
CanUserAddRows="False" CurrentCellChanged="DataGridCellChanged" MouseDown="DataGridMouseDown"
SelectedItem="{Binding ElementName=studentQueryResult, Path=SelectedItem, Mode=OneWay}">
<DataGrid.Columns>
<DataGridTextColumn Binding="{Binding Id, UpdateSourceTrigger=PropertyChanged}" Header="学号"
Width="Auto"
Expand All @@ -61,37 +62,49 @@
<Button x:Name="RemoveStudentButton" Content="-" Click="RemoveStudentButton_Click"
HorizontalAlignment="Center" VerticalAlignment="Center" Height="30" Width="30" />
</StackPanel>
<GridSplitter Grid.Row="0" Grid.RowSpan="2" Grid.Column="1" ResizeDirection="Columns" ResizeBehavior="PreviousAndNext" Width="5" HorizontalAlignment="Center"></GridSplitter>
<GridSplitter Grid.Row="0" Grid.RowSpan="2" Grid.Column="3" ResizeDirection="Columns" ResizeBehavior="PreviousAndNext" Width="5" HorizontalAlignment="Center"></GridSplitter>
<GridSplitter Grid.Row="0" Grid.RowSpan="2" Grid.Column="0"
ResizeDirection="Columns" ResizeBehavior="CurrentAndNext" Width="5" HorizontalAlignment="Right" />
<!--班级表-->
<DataGrid x:Name="classDataGrid" Grid.Row="0" Grid.Column="2" Margin="5,5,5,5" AutoGenerateColumns="False"
<DataGrid x:Name="classDataGrid" Grid.Row="0" Grid.Column="1" Margin="0,5,5,5" AutoGenerateColumns="False"
EnableRowVirtualization="False" EnableColumnVirtualization="False"
RowDetailsVisibilityMode="VisibleWhenSelected" CanUserAddRows="False"
ItemsSource="{Binding Source={StaticResource classViewSource}}"
CurrentCellChanged="DataGridCellChanged"
MouseDown="DataGridMouseDown">
<DataGrid.Columns>
<DataGridTextColumn Header="班级号" Width="Auto" Binding="{Binding ClassId}"></DataGridTextColumn>
<DataGridComboBoxColumn x:Name="ClassDepartmentName" Header="院系" Width="Auto" SelectedValueBinding="{Binding DepartmentName}"></DataGridComboBoxColumn>
<DataGridComboBoxColumn x:Name="ClassMajorName" Header="专业" Width="Auto" SelectedValueBinding="{Binding MajorName}"></DataGridComboBoxColumn>
<DataGridComboBoxColumn x:Name="classDepartmentName" Header="院系" Width="Auto" SelectedValueBinding="{Binding DepartmentName}" />
<DataGridComboBoxColumn x:Name="ClassMajorName" Header="专业" Width="Auto" SelectedValueBinding="{Binding MajorName}">
<DataGridComboBoxColumn.ElementStyle>
<Style TargetType="ComboBox">
<Setter Property="ItemsSource" Value="{Binding MajorNames}"/>
</Style>
</DataGridComboBoxColumn.ElementStyle>
<DataGridComboBoxColumn.EditingElementStyle>
<Style TargetType="ComboBox">
<Setter Property="ItemsSource" Value="{Binding MajorNames}"/>
</Style>
</DataGridComboBoxColumn.EditingElementStyle>
</DataGridComboBoxColumn>
</DataGrid.Columns>
</DataGrid>
<StackPanel Grid.Column="2" Grid.Row="1" Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="5">
<StackPanel Grid.Column="1" Grid.Row="1" Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="5">
<Button x:Name="AddClassButton" Content="+" Click="AddClassButton_Click"
HorizontalAlignment="Center" VerticalAlignment="Center" Height="30" Width="30" />
<Button x:Name="RemoveClassButton" Content="-" Click="RemoveClassButton_Click"
HorizontalAlignment="Center" VerticalAlignment="Center" Height="30" Width="30" />
</StackPanel>
<GridSplitter Grid.Row="0" Grid.RowSpan="2" Grid.Column="3" ResizeDirection="Columns" ResizeBehavior="PreviousAndNext" Width="5" HorizontalAlignment="Center" Margin="0,0,0,32"></GridSplitter>
<Grid Grid.Row="0" Grid.Column="4" Grid.RowSpan="2">
<GridSplitter Grid.Row="0" Grid.RowSpan="2" Grid.Column="1"
ResizeDirection="Columns" ResizeBehavior="CurrentAndNext" Width="5" HorizontalAlignment="Right"/>
<Grid Grid.Row="0" Grid.Column="2" Grid.RowSpan="2">
<Grid.RowDefinitions>
<RowDefinition Height="5*"></RowDefinition>
<RowDefinition Height="1*"></RowDefinition>
<RowDefinition Height="5*"></RowDefinition>
<RowDefinition Height="1*"></RowDefinition>
</Grid.RowDefinitions>
<!--院系表-->
<DataGrid x:Name="departmentDataGrid" Grid.Row="0" Grid.Column="0" Margin="5,5,5,5" AutoGenerateColumns="False"
<DataGrid x:Name="departmentDataGrid" Grid.Row="0" Grid.Column="0" Margin="0,5" AutoGenerateColumns="False"
EnableRowVirtualization="False" EnableColumnVirtualization="False"
RowDetailsVisibilityMode="VisibleWhenSelected" CanUserAddRows="False"
ItemsSource="{Binding Source={StaticResource departmentViewSource}}"
Expand All @@ -103,7 +116,7 @@
<DataGridTextColumn Header="院系类别" Width="Auto" Binding="{Binding DepartmentType}"></DataGridTextColumn>
</DataGrid.Columns>
</DataGrid>
<StackPanel Grid.Row="1" Grid.Column="0" Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="5">
<StackPanel Grid.Row="1" Grid.Column="0" Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="0, 5">
<Button x:Name="AddDepartmentButton" Content="+" Click="AddDepartmentButton_Click"
HorizontalAlignment="Center" VerticalAlignment="Center" Height="30" Width="30" />
<Button x:Name="RemoveDepartmentButton" Content="-" Click="RemoveDepartmentButton_Click"
Expand All @@ -113,7 +126,7 @@
Height="5" VerticalAlignment="Bottom"
HorizontalAlignment="Stretch"/>
<!--专业表-->
<DataGrid x:Name="majorGrid" Grid.Row="2" Margin="5,5,5,5" AutoGenerateColumns="False"
<DataGrid x:Name="majorGrid" Grid.Row="2" Margin="0,5" AutoGenerateColumns="False"
EnableRowVirtualization="False" EnableColumnVirtualization="False"
RowDetailsVisibilityMode="VisibleWhenSelected" CanUserAddRows="False"
ItemsSource="{Binding Source={StaticResource majorViewSource}}"
Expand All @@ -125,25 +138,56 @@
<DataGridTextColumn IsReadOnly="True" Header="专业名字" Width="Auto" Binding="{Binding MajorName}"/>
</DataGrid.Columns>
</DataGrid>
<StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="5">
<StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="0,5,5,5">
<Button x:Name="AddMajorButton" Content="+" Click="AddMajor_Click"
HorizontalAlignment="Center" VerticalAlignment="Center" Height="30" Width="30" />
<Button x:Name="RemoveMajorButton" Content="-" Click="RemoveMajor_Click"
HorizontalAlignment="Center" VerticalAlignment="Center" Height="30" Width="30" />
</StackPanel>
</Grid>
<Border Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="5" BorderBrush="Gray" BorderThickness="2">
<Border Grid.Row="2" Grid.Column="0" Grid.ColumnSpan="3" BorderBrush="Gray" BorderThickness="2">
<StackPanel Orientation="Horizontal" Margin="5" HorizontalAlignment="Center">
<Button x:Name="RevertAllButton" Content="重置↺" Click="RevertAllButton_Click"
Height="30" Width="40"/>
<Button x:Name="SaveChangesButton" Content="保存💾" Click="SaveChangesButton_Click"
HorizontalAlignment="Center" VerticalAlignment="Center" Width="160" Height="30"/>
<Button Content="查询🔍" Click="OpenQueryWindow"
<Button Content="查询🔍" Click="ToggleQuery"
HorizontalAlignment="Center" VerticalAlignment="Center" Width="40" Height="30"></Button>
</StackPanel>
</Border>
<Border Grid.Row="3" Grid.Column="0" Grid.ColumnSpan="5" BorderThickness="5" BorderBrush="Wheat" Margin="0,0,0,7">
<Border Grid.Row="3" Grid.Column="0" Grid.ColumnSpan="3" BorderThickness="5" BorderBrush="Wheat">
<TextBlock x:Name="ErrorMsg" Text="" />
</Border>
<Grid x:Name="queryGrid" Grid.Row="4" Grid.Column="0" Grid.ColumnSpan="3">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"></RowDefinition>
<RowDefinition Height="Auto"></RowDefinition>
</Grid.RowDefinitions>
<StackPanel Orientation="Horizontal"
Width="Auto" Height="Auto" Margin="5" VerticalAlignment="Center">
<CheckBox x:Name="studentNameChkBox" Content="姓名" Margin="5,3,1.5,3" VerticalAlignment="Center"/>
<TextBox x:Name="studentNameQueryTxt" Width="100" VerticalAlignment="Center" IsEnabled="{Binding ElementName=studentNameChkBox, Path=IsChecked}"/>
<CheckBox x:Name="studentIdChkBox" Content="学号" Margin="5,3,1.5,3" VerticalAlignment="Center"/>
<TextBox x:Name="studentIdQueryTxt" Width="120" VerticalAlignment="Center" IsEnabled="{Binding ElementName=studentIdChkBox, Path=IsChecked}"/>
<CheckBox x:Name="studentMajorChkBox" Content="专业" Margin="5,3,1.5,3" VerticalAlignment="Center"/>
<TextBox x:Name="studentMajorQueryTxt" Width="120" VerticalAlignment="Center" IsEnabled="{Binding ElementName=studentMajorChkBox, Path=IsChecked}"/>
<CheckBox x:Name="studentDepartmentChkBox" Content="院系" Margin="5,3,1.5,3" VerticalAlignment="Center"/>
<TextBox x:Name="studentDepartmentQueryTxt" Width="120" VerticalAlignment="Center" IsEnabled="{Binding ElementName=studentDepartmentChkBox, Path=IsChecked}"/>
<Button Click="RunQuery" Content="查询"/>
</StackPanel>
<DataGrid Grid.Row="1" x:Name="studentQueryResult" AutoGenerateColumns="False" Margin="5">
<DataGrid.Columns>
<DataGridTextColumn Binding="{Binding Id, UpdateSourceTrigger=PropertyChanged}" Header="学号" IsReadOnly="True"
Width="Auto"/>
<DataGridTextColumn Binding="{Binding Name, UpdateSourceTrigger=PropertyChanged}" Header="姓名" IsReadOnly="True"
Width="Auto"/>
</DataGrid.Columns>
</DataGrid>
</Grid>
<GridSplitter Grid.Row="0" Grid.RowSpan="5" Grid.Column="3"
ResizeDirection="Columns" ResizeBehavior="PreviousAndCurrent" Width="5" HorizontalAlignment="Left"/>
<GroupBox Grid.Row="0" Grid.RowSpan="5" Grid.Column="3" Margin="5,5" Width="Auto" Header="Sql语句">
<ListBox x:Name="sqlList"/>
</GroupBox>
</Grid>
</Window>
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