1、添加窗体
2、设计UI界面
注意这个下拉框的绑定,你看到的选项是由displaymember决定,当你选择了哪个选项时,后台绑定这个选项的ID
<UserControl x:Class="West.StoreMgr.View.GoodsView"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"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:local="clr-namespace:West.StoreMgr.View" xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity"mc:Ignorable="d" DataContext="{Binding Source={StaticResource Locator},Path=Goods}"><!--加载页面时获取物资列表数据--><i:Interaction.Triggers><i:EventTrigger EventName="Loaded"><i:InvokeCommandAction Command="{Binding LoadCommand}"/></i:EventTrigger></i:Interaction.Triggers><Grid><Grid.RowDefinitions><RowDefinition Height="50"/><RowDefinition/><RowDefinition/></Grid.RowDefinitions><!--标题--><StackPanel Background="#EDF0F6" Orientation="Horizontal"><TextBlock Margin="10 0 0 0" Text="" FontSize="20" FontFamily="/Fonts/#FontAwesome" HorizontalAlignment="Left" VerticalAlignment="Center" Foreground="#797672"/><TextBlock Margin="10 0 0 0" Text="首页 > 物资管理" FontSize="20" FontFamily="/Fonts/#FontAwesome" HorizontalAlignment="Left" VerticalAlignment="Center" Foreground="#797672"/></StackPanel><!--增加--><Grid Grid.Row="1" Margin="20"><Grid.RowDefinitions><RowDefinition Height="30"/><RowDefinition/></Grid.RowDefinitions><Border Background="#72BBE5"><TextBlock Text="添加物资" FontSize="18" VerticalAlignment="Center" Foreground="#1F3C4C" Margin="0 0 10 0"/></Border><StackPanel Grid.Row="1" Orientation="Vertical" VerticalAlignment="Center" Margin="0 10 0 10"><StackPanel Orientation="Horizontal" VerticalAlignment="Center"><TextBlock Margin="0 0 10 0" Text="物资类别:" VerticalAlignment="Center" Width="80"/><!--下拉框绑定后台类别列表--><ComboBox x:Name="comboboxGoodsType" Margin="0 0 10 0" ItemsSource="{Binding GoodsTypeList}" DisplayMemberPath="Name" SelectedValuePath="Id" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="规格型号:" VerticalAlignment="Center" Width="80"/><!--下拉框绑定后台规格列表--><ComboBox x:Name="comboboxSpec" Margin="0 0 10 0" ItemsSource="{Binding SpecList}" DisplayMemberPath="Name" SelectedValuePath="Id" Width="150" Height="30" /></StackPanel><StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="0 10 0 10"><TextBlock Margin="0 0 10 0" Text=" 序号:" VerticalAlignment="Center" Width="80"/><TextBox HorizontalAlignment="Left" VerticalAlignment="Center" TextAlignment="Left" VerticalContentAlignment="Center" Margin="0 0 10 0" Text="{Binding Goods.Serial,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="物资名称:" VerticalAlignment="Center" Width="80"/><TextBox HorizontalAlignment="Left" VerticalAlignment="Center" TextAlignment="Left" VerticalContentAlignment="Center" Margin="0 0 10 0" Text="{Binding Goods.Name,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="单位:" VerticalAlignment="Center" Width="80"/><TextBox HorizontalAlignment="Left" VerticalAlignment="Center" TextAlignment="Left" VerticalContentAlignment="Center" Margin="0 0 10 0" Text="{Binding Goods.Unit,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /></StackPanel><StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="0 10 0 10"><TextBlock Margin="0 0 10 0" Text="库存最小值:" VerticalAlignment="Center" Width="80"/><TextBox HorizontalAlignment="Left" VerticalAlignment="Center" TextAlignment="Left" VerticalContentAlignment="Center" Margin="0 0 10 0" Text="{Binding Goods.Min,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="库存最大值:" VerticalAlignment="Center" Width="80"/><TextBox HorizontalAlignment="Left" VerticalAlignment="Center" TextAlignment="Left" VerticalContentAlignment="Center" Margin="0 0 10 0" Text="{Binding Goods.Max,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="备注:" VerticalAlignment="Center" Width="80"/><TextBox HorizontalAlignment="Left" VerticalAlignment="Center" TextAlignment="Left" VerticalContentAlignment="Center" Margin="0 0 10 0" Text="{Binding Goods.Tag,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /></StackPanel><StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="0 10 0 10"> <Button Margin="542 0 0 0" Height="36" Width="199" Grid.Row="3" Content="增加" Style="{StaticResource ButtonStyle}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:GoodsView}}"Command="{Binding AddCommand}"/></StackPanel></StackPanel> </Grid><!--浏览--><Grid Grid.Row="2" Margin="10 0 10 10"><DataGrid ItemsSource="{Binding GoodsList}" CanUserDeleteRows="False" CanUserAddRows="False" AutoGenerateColumns="False"><DataGrid.Columns><DataGridTextColumn Header="序号" Binding="{Binding Serial}"/><DataGridTextColumn Header="名称" Binding="{Binding Name}"/><DataGridTextColumn Header="单位" Binding="{Binding Unit}"/><DataGridTextColumn Header="最小库存" Binding="{Binding Min}"/><DataGridTextColumn Header="最大库存" Binding="{Binding Max}"/><DataGridTextColumn Header="当前库存" Binding="{Binding Quant}"/><DataGridTextColumn Header="物资类别" Binding="{Binding GoodsTypeName}" IsReadOnly="True"/><DataGridTextColumn Header="规格型号" Binding="{Binding SpecName}" IsReadOnly="True"/><DataGridTextColumn Header="备注" Binding="{Binding Tag}"/><DataGridTextColumn Header="日期" Binding="{Binding InsertDate}"/><DataGridTemplateColumn Header="操作"><DataGridTemplateColumn.CellTemplate><DataTemplate><StackPanel Orientation="Horizontal"><Button Content="编辑" Command="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:GoodsView},Path=DataContext.EditCommand}"CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self}}" Tag="{Binding}" Style="{StaticResource DataGridButtonStyle}" /><Button Content="删除" Command="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:GoodsView},Path=DataContext.DeleteCommand}"CommandParameter="{Binding RelativeSource={RelativeSource Mode=Self}}"Tag="{Binding}" Style="{StaticResource DataGridButtonStyle}" /></StackPanel></DataTemplate></DataGridTemplateColumn.CellTemplate></DataGridTemplateColumn></DataGrid.Columns></DataGrid></Grid></Grid>
</UserControl>
3、添加viewmodel
using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using CommonServiceLocator;
using West.StoreMgr.Service;
using West.StoreMgr.Helper;
using West.StoreMgr.View;
using West.StoreMgr.Windows;
using static West.StoreMgr.Windows.MsgBoxWindow;namespace West.StoreMgr.ViewModel
{/// <summary>/// 物资viewmodel/// </summary>public class GoodsViewModel : ViewModelBase{public GoodsViewModel(){}private Goods goods = new Goods();public Goods Goods{get { return goods; }set { goods = value; RaisePropertyChanged(); }}private List<Goods> goodsList = new List<Goods>();/// <summary>/// 物资列表/// </summary>public List<Goods> GoodsList{get { return goodsList; }set { goodsList = value; RaisePropertyChanged(); }}private List<GoodsType> goodsTypeList = new List<GoodsType>();/// <summary>/// 物资类别集合/// </summary>public List<GoodsType> GoodsTypeList{get { return goodsTypeList; }set { goodsTypeList = value; RaisePropertyChanged(); }}private List<Spec> specList = new List<Spec>();/// <summary>/// 物资规格集合/// </summary>public List<Spec> SpecList{get { return specList; }set { specList = value; RaisePropertyChanged(); }}/// <summary>/// 加载页面时获取数据/// </summary>public RelayCommand LoadCommand{get{return new RelayCommand(() =>{GoodsList = new GoodsService().Select();//物资列表GoodsTypeList = new GoodsTypeService().Select();//物资类别列表SpecList = new SpecService().Select();//规格列表});}}//添加public RelayCommand<UserControl> AddCommand{get{var command = new RelayCommand<UserControl>((obj) =>{if (!(obj is GoodsView view)) return;if (string.IsNullOrEmpty(Goods.Name) == true|| string.IsNullOrEmpty(Goods.Serial) == true){MsgWinHelper.ShowError("序号和名字不能为空");return;}Goods.InsertDate = DateTime.Now;Goods.UserInfoId = AppData.Instance.User.Id;var goodsType = view.comboboxGoodsType.SelectedItem as GoodsType;//将选择的下拉框类别转换成物资类别对象var spec = view.comboboxSpec.SelectedItem as Spec;//将选择的下拉框规格转换成物资规格对象if (goodsType != null) Goods.GoodsTypeId = goodsType.Id;if (spec != null) Goods.SpecId = spec.Id;var service = new GoodsService();int count = service.Insert(Goods);if (count > 0){GoodsList = service.Select(); MsgWinHelper.ShowMessage("物资添加成功!");Goods = new Goods();}else{MsgWinHelper.ShowError("物资添加失败!");}});return command;}}//修改public RelayCommand<Button> EditCommand{get{var command = new RelayCommand<Button>((view) =>{var old = view.Tag as Goods;if (old == null) return;var vm = ServiceLocator.Current.GetInstance<EditGoodsViewModel>();vm.Goods = old;vm.GoodsType = vm.GoodsTypeList.FirstOrDefault(t => t.Id == old.GoodsTypeId);vm.Spec = vm.SpecList.FirstOrDefault(t => t.Id == old.SpecId);var window = new EditGoodsWindow();window.ShowDialog();GoodsList = new GoodsService().Select();});return command;}}//删除public RelayCommand<Button> DeleteCommand{get{var command = new RelayCommand<Button>((view) =>{if (MsgWinHelper.ShowQuestion("您确定要删除该物资吗?") == CustomMessageBoxResult.OK){var old = view.Tag as Goods;if (old == null) return;var service = new GoodsService();int count = service.Delete(old);if (count > 0){GoodsList = service.Select();MsgWinHelper.ShowMessage("操作成功");}else{MsgWinHelper.ShowError("操作失败");}}});return command;}}}
}
4、运行程序
5、修改物资
1)添加窗体
2)UI布局
<Window x:Class="West.StoreMgr.Windows.EditGoodsWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:West.StoreMgr.Windows"ResizeMode="NoResize"WindowStartupLocation="CenterScreen"mc:Ignorable="d" DataContext="{Binding Source={StaticResource Locator},Path=EditGoods}"Title="修改物资" Height="410" Width="800"><Grid Grid.Row="1" Margin="17" Background="#E4ECEF"><Grid.RowDefinitions><RowDefinition Height="30"/><RowDefinition/></Grid.RowDefinitions><Border Background="#72BBE5"><TextBlock Text="修改物资数据" FontSize="18" VerticalAlignment="Center" Foreground="#1F3C4C" Margin="0 0 10 0"/></Border><StackPanel Grid.Row="1" Orientation="Vertical" VerticalAlignment="Center" Margin="0 10 0 10"><StackPanel Orientation="Horizontal" VerticalAlignment="Center"><TextBlock Margin="0 0 10 0" Text="物资类别:" VerticalAlignment="Center" Width="80"/><ComboBox x:Name="comboboxGoodsType" Margin="0 0 10 0" ItemsSource="{Binding GoodsTypeList}" SelectedItem="{Binding GoodsType}" DisplayMemberPath="Name" SelectedValuePath="Id" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="规格型号:" VerticalAlignment="Center" Width="80"/><ComboBox x:Name="comboboxSpec" Margin="0 0 10 0" ItemsSource="{Binding SpecList}" SelectedItem="{Binding Spec}" DisplayMemberPath="Name" SelectedValuePath="Id" Width="150" Height="30" /></StackPanel><StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="0 10 0 10"><TextBlock Margin="0 0 10 0" Text=" 序号:" VerticalAlignment="Center" Width="80"/><TextBox Margin="0 0 10 0" Text="{Binding Goods.Serial,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" IsReadOnly="True" /><TextBlock Margin="0 0 10 0" Text="物资名称:" VerticalAlignment="Center" Width="80"/><TextBox Margin="0 0 10 0" Text="{Binding Goods.Name,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="单位:" VerticalAlignment="Center" Width="80"/><TextBox Margin="0 0 10 0" Text="{Binding Goods.Unit,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /></StackPanel><StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="0 10 0 10"><TextBlock Margin="0 0 10 0" Text="库存最小值:" VerticalAlignment="Center" Width="80"/><TextBox Margin="0 0 10 0" Text="{Binding Goods.Min,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="库存最大值:" VerticalAlignment="Center" Width="80"/><TextBox Margin="0 0 10 0" Text="{Binding Goods.Max,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /><TextBlock Margin="0 0 10 0" Text="备注:" VerticalAlignment="Center" Width="80"/><TextBox Margin="0 0 10 0" Text="{Binding Goods.Tag,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" Width="150" Height="30" /></StackPanel><StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="0 10 0 10"><!--button--><Button Margin="542 0 0 0" Height="36" Width="199" Grid.Row="3" FontSize="21"Content="确 定" Style="{StaticResource ButtonStyle}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:EditGoodsWindow}}"Command="{Binding EditCommand}"/></StackPanel></StackPanel></Grid>
</Window>
3)添加viewmodel
using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using West.StoreMgr.Helper;
using West.StoreMgr.Service;namespace West.StoreMgr.ViewModel
{/// <summary>/// 修改物资viewmodel/// </summary>public class EditGoodsViewModel : ViewModelBase{public EditGoodsViewModel(){GoodsTypeList = new GoodsTypeService().Select();SpecList = new SpecService().Select(); }private GoodsType goodsType = new GoodsType();/// <summary>/// 物资类别/// </summary>public GoodsType GoodsType{get { return goodsType; }set { goodsType = value; RaisePropertyChanged(); }}private Spec spec = new Spec();/// <summary>/// 物资规格/// </summary>public Spec Spec{get { return spec; }set { spec = value; RaisePropertyChanged(); }}private List<GoodsType> goodsTypeList = new List<GoodsType>();/// <summary>/// 物资类别集合/// </summary>public List<GoodsType> GoodsTypeList{get { return goodsTypeList; }set { goodsTypeList = value; RaisePropertyChanged(); }}private List<Spec> specList = new List<Spec>();/// <summary>/// 物资规格集合/// </summary>public List<Spec> SpecList{get { return specList; }set { specList = value; RaisePropertyChanged(); }}private Goods goods = new Goods(); public Goods Goods{get { return goods; }set { goods = value; RaisePropertyChanged(); }}//修改public RelayCommand<Window> EditCommand{get{var command = new RelayCommand<Window>((window) =>{if (string.IsNullOrEmpty(Goods.Name) == true|| string.IsNullOrEmpty(Goods.Serial) == true){ MsgWinHelper.ShowError("序号和名字不能为空!");return;}Goods.GoodsTypeId = GoodsType.Id;Goods.SpecId = Spec.Id;var service = new GoodsService();int count = service.Update(Goods);if (count > 0){MsgWinHelper.ShowMessage("修改成功!");window.Close();}else{MsgWinHelper.ShowError("修改失败!");}});return command;}}//取消public RelayCommand<Window> CancelCommand{get{var command = new RelayCommand<Window>((window) =>{window.Close();});return command;}}}
}
4)运行程序
6、删除物资
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