备忘录添加功能

由于todoview 和 memoview的相似度很高，可复制todoview 的代码。

memoviewmodel.cs

using Mytodo.Common.Models;
using Mytodo.Service;
using Prism.Commands;
using Prism.Ioc;
using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using MyToDo.Share.Models;
using System.Threading.Tasks;
using Prism.Regions;
using System.Windows;namespace Mytodo.ViewModels
{public class MemoViewModel : NavigationViewModel{#region 命令定义/// <summary>/// 展开侧边栏/// </summary>public DelegateCommand OpenRightContentCmd { set; get; }/// <summary>/// 打开选择的项/// </summary>public DelegateCommand<MemoDto> SelectedCommand { get; set; }/// <summary>/// 添加、编辑 项/// </summary>public DelegateCommand<string> ExecuteCommand { get; set; }/// <summary>/// 删除项/// </summary>public DelegateCommand<MemoDto> DeleteCommand { get; set; }#endregion#region 属性定义/// <summary>/// 项目状态/// </summary>public int SelectIndex{get { return selectIndex; }set { selectIndex = value; RaisePropertyChanged(); }}/// <summary>/// 当前选中项/// </summary>public MemoDto? CurrDto{get { return currDto; }set { currDto = value; RaisePropertyChanged(); }}/// <summary>/// 指示侧边栏是否展开/// </summary>public bool IsRightOpen{get { return isRightOpen; }set { isRightOpen = value; RaisePropertyChanged(); }}/// <summary>/// todo集合/// </summary>public ObservableCollection<MemoDto>? MemoDtos{get { return memoDtos; }set { memoDtos = value; RaisePropertyChanged(); }}/// <summary>/// 右侧侧边栏标题/// </summary>public string RightContentTitle{get { return rightContentTitle; }set { rightContentTitle = value; RaisePropertyChanged(); }}/// <summary>/// 要搜索的字符串/// </summary>public string SearchString{get { return search; }set { search = value; RaisePropertyChanged(); }}#endregion#region 重要字段定义private readonly IMemoService service;#endregion#region 字段定义private int selectIndex;private MemoDto currDto;private bool isRightOpen;private ObservableCollection<MemoDto>? memoDtos;private string rightContentTitle;private string search;#endregion#region 命令方法/// <summary>/// 删除指定项/// </summary>/// <param name="dto"></param>async private void DeleteItem(MemoDto dto){var delres = await service.DeleteAsync(dto.Id);if (delres.Status){var model = MemoDtos.FirstOrDefault(t => t.Id.Equals(dto.Id));MemoDtos.Remove(dto);}}private void ExceuteCmd(string obj){switch (obj){case "添加":Add(); break;case "查询":Query(); break;case "保存":Save(); break;}}/// <summary>/// 保存消息/// </summary>private async void Save(){try{if (string.IsNullOrWhiteSpace(CurrDto.Title) || string.IsNullOrWhiteSpace(CurrDto.Content))return;UpdateLoding(true);if (CurrDto.Id > 0) //编辑项{var updateres = await service.UpdateAsync(CurrDto);if (updateres.Status){UpdateDataAsync();}else{MessageBox.Show("更新失败");}}else{//添加项var add_res = await service.AddAsync(CurrDto);//刷新if (add_res.Status) //如果添加成功{MemoDtos.Add(add_res.Result);}else{MessageBox.Show("添加失败");}}}catch{}finally{IsRightOpen = false;//卸载数据加载窗体UpdateLoding(false);}}/// <summary>/// 打开待办事项弹窗/// </summary>void Add(){CurrDto = new MemoDto();IsRightOpen = true;}private void Query(){GetDataAsync();}/// <summary>/// 根据条件更新数据/// </summary>async void UpdateDataAsync(){var memoResult = await service.GetAllAsync(new MyToDo.Share.Parameters.QueryParameter { PageIndex = 0, PageSize = 100, Search = SearchString });if (memoResult.Status){MemoDtos.Clear();foreach (var item in memoResult.Result.Items)MemoDtos.Add(item);}}/// <summary>/// 获取所有数据/// </summary>async void GetDataAsync(){//调用数据加载页面UpdateLoding(true);//更新数据UpdateDataAsync();//卸载数据加载页面UpdateLoding(false);}/// <summary>/// 弹出详细信息/// </summary>/// <param name="obj"></param>private async void Selected(MemoDto obj){var todores = await service.GetFirstOfDefaultAsync(obj.Id);if (todores.Status){CurrDto = todores.Result;IsRightOpen = true;RightContentTitle = "我的待办";}}#endregionpublic MemoViewModel(IMemoService service, IContainerProvider provider) : base(provider){//初始化对象MemoDtos = new ObservableCollection<MemoDto>();RightContentTitle = "添加备忘率";//初始化命令SelectedCommand = new DelegateCommand<MemoDto>(Selected);OpenRightContentCmd = new DelegateCommand(Add);ExecuteCommand = new DelegateCommand<string>(ExceuteCmd);DeleteCommand = new DelegateCommand<MemoDto>(DeleteItem);this.service = service;}public override void OnNavigatedTo(NavigationContext navigationContext){base.OnNavigatedTo(navigationContext);GetDataAsync();}}
}

memo.view

<UserControlx:Class="Mytodo.Views.MemoView"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:cv="clr-namespace:Mytodo.Common.Converters"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:i="http://schemas.microsoft.com/xaml/behaviors"xmlns:local="clr-namespace:Mytodo.Views"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:md="http://materialdesigninxaml.net/winfx/xaml/themes"d:DesignHeight="450"d:DesignWidth="800"mc:Ignorable="d"><UserControl.Resources><ResourceDictionary><cv:IntToVisibilityConveter x:Key="IntToVisility" /></ResourceDictionary></UserControl.Resources><md:DialogHost><md:DrawerHost IsRightDrawerOpen="{Binding IsRightOpen}"><md:DrawerHost.RightDrawerContent><DockPanelMinWidth="200"MaxWidth="240"Margin="2"LastChildFill="False"><TextBlockMargin="10"DockPanel.Dock="Top"FontFamily="微软雅黑"FontSize="20"FontWeight="Bold"Text="{Binding RightContentTitle}" /><StackPanelMargin="10"DockPanel.Dock="Top"Orientation="Horizontal"><TextBlockMargin="5"VerticalAlignment="Center"FontFamily="微软雅黑"FontSize="14"Text="状态" /></StackPanel><TextBoxMargin="10"md:HintAssist.Hint="备忘录事项标题"DockPanel.Dock="Top"FontFamily="微软雅黑"FontSize="12"Text="{Binding CurrDto.Title}" /><TextBoxMinHeight="50"Margin="10"md:HintAssist.Hint="备忘录事项内容"DockPanel.Dock="Top"FontFamily="微软雅黑"FontSize="12"Text="{Binding CurrDto.Content}"TextWrapping="Wrap" /><ButtonMargin="10,5"HorizontalAlignment="Center"Command="{Binding ExecuteCommand}"CommandParameter="保存"Content="保存"DockPanel.Dock="Top" /></DockPanel></md:DrawerHost.RightDrawerContent><Grid><Grid.RowDefinitions><RowDefinition Height="auto" /><RowDefinition /></Grid.RowDefinitions><StackPanel Margin="15,10" Orientation="Horizontal"><TextBoxWidth="200"md:HintAssist.Hint="查找备忘录中"md:TextFieldAssist.HasClearButton="True"FontFamily="微软雅黑"FontSize="14"Text="{Binding SearchString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"><TextBox.InputBindings><KeyBindingKey="Enter"Command="{Binding ExecuteCommand}"CommandParameter="查询" /></TextBox.InputBindings></TextBox></StackPanel><ButtonMargin="10,0"HorizontalAlignment="Right"Command="{Binding OpenRightContentCmd}"Content="+ 添加到备忘"FontFamily="微软雅黑"FontSize="14" /><StackPanelGrid.Row="1"VerticalAlignment="Center"Visibility="{Binding MemoDtos.Count, Converter={StaticResource IntToVisility}}"><md:PackIconWidth="120"Height="120"HorizontalAlignment="Center"Kind="ClipboardText" /><TextBlockMargin="0,10"HorizontalAlignment="Center"FontSize="18"Text="尝试添加一些待办事项，以便在此处查看它们。" /></StackPanel><ItemsControlGrid.Row="1"Margin="10"ItemsSource="{Binding MemoDtos}"><ItemsControl.ItemsPanel><ItemsPanelTemplate><WrapPanel /></ItemsPanelTemplate></ItemsControl.ItemsPanel><ItemsControl.ItemTemplate><DataTemplate><Border MinWidth="200" Margin="10"><Grid MinHeight="150"><i:Interaction.Triggers><i:EventTrigger EventName="MouseLeftButtonUp"><i:InvokeCommandAction Command="{Binding DataContext.SelectedCommand, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=ItemsControl}}" CommandParameter="{Binding}" /></i:EventTrigger></i:Interaction.Triggers><Grid.RowDefinitions><RowDefinition Height="auto" /><RowDefinition /></Grid.RowDefinitions><DockPanel Panel.ZIndex="2" LastChildFill="False"><TextBlockMargin="10,10"FontFamily="黑体"FontSize="14"Text="{Binding Title}" /><md:PopupBoxMargin="5"Panel.ZIndex="1"DockPanel.Dock="Right"><ButtonPanel.ZIndex="2"Command="{Binding DataContext.DeleteCommand, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=ItemsControl}}"CommandParameter="{Binding}"Content="删除" /></md:PopupBox></DockPanel><TextBlockGrid.Row="1"Margin="10,5"FontFamily="黑体"FontSize="12"Opacity="0.7"Text="{Binding Content}" /><Canvas Grid.RowSpan="2" ClipToBounds="True"><BorderCanvas.Top="10"Canvas.Right="-50"Width="120"Height="120"Background="#FFFFFF"CornerRadius="100"Opacity="0.1" /><BorderCanvas.Top="80"Canvas.Right="-30"Width="120"Height="120"Background="#FFFFFF"CornerRadius="100"Opacity="0.1" /></Canvas><BorderGrid.RowSpan="2"Background="#ffffcc"CornerRadius="5"Opacity="0.3" /></Grid></Border></DataTemplate></ItemsControl.ItemTemplate></ItemsControl></Grid></md:DrawerHost></md:DialogHost>
</UserControl>

修改控制器

public async Task<ApiReponse> Delete(int todoid) => await service.DeleteApublic async Task<ApiReponse> Delete(int todoid) =>