一、实验目的

熟悉使用WPF进行界面编程的基本过程；
掌握WPF布局、控件、事件的使用。

二、实验内容

运用WPF技术，模仿Windows 10系统中计算机器（Calculator）程序，开发一个类似程序。

本题作为综合练习，可在最后提交。

加分项：

1）计算机器功能的完整性；

2）是否使用了数据绑定、模板、样式等特性；

3）功能上的创新。

源代码

XAML

<Controls:MetroWindow x:Class="Homework19.MainWindow"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:Homework19"xmlns:Controls="clr-namespace:MahApps.Metro.Controls;assembly=MahApps.Metro"mc:Ignorable="d"ResizeMode = "NoResize"Title="计算器" Height="750" Width="1000"><Grid><TextBlock x:Name="Out_2" HorizontalAlignment="Left" Margin="10,55,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Height="33" Width="670" TextAlignment="Right" FontSize="24"><Run/><LineBreak/><Run/></TextBlock><TextBlock x:Name="Out_1" HorizontalAlignment="Left" Margin="10,93,0,0" TextWrapping="Wrap" Text="0" VerticalAlignment="Top" Height="91" Width="670" TextAlignment="Right" FontSize="72" FontFamily="Microsoft YaHei"/><Button x:Name="btnMenu" Content="≡标准" HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Width="70" Height="40" FontSize="20" Click="Button_Click"><Button.ContextMenu><ContextMenu Name="contextMenu"><MenuItem Header="标准"/><MenuItem Header="科学"/><MenuItem Header="程序员"/><MenuItem Header="日期计算"/></ContextMenu></Button.ContextMenu></Button><Button x:Name="B_MC" Content="MC" HorizontalAlignment="Left" Margin="10,189,0,0" VerticalAlignment="Top" Width="70" Height="40" Click="B_MC_Click"/><Button x:Name="B_MR" Content="MR" HorizontalAlignment="Left" Margin="85,189,0,0" VerticalAlignment="Top" Width="70" Height="40" Click="B_MR_Click"/><Button x:Name="B_M__1" Content="M+" HorizontalAlignment="Left" Margin="160,189,0,0" VerticalAlignment="Top" Width="70" Height="40" Click="B_M__1_Click"/><Button x:Name="B_M__" Content="M-" HorizontalAlignment="Left" Margin="235,189,0,0" VerticalAlignment="Top" Width="70" Height="40" Click="B_M___Click"/><Button x:Name="B_MS" Content="MS" HorizontalAlignment="Left" Margin="310,189,0,0" VerticalAlignment="Top" Width="70" Height="40" Click="B_MS_Click"/><Button x:Name="B_per" Content="%" HorizontalAlignment="Left" Margin="10,236,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="24" FontFamily="Microsoft YaHei UI Light" Click="B_per_Click"/><Button x:Name="B_CE" Content="CE" HorizontalAlignment="Left" Margin="145,236,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="24" FontFamily="Microsoft YaHei UI Light" Click="B_CE_Click"/><Button x:Name="B_C" Content="C" HorizontalAlignment="Left" Margin="280,236,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="24" FontFamily="Microsoft YaHei UI Light" Click="B_C_Click"/><Button x:Name="B_delete" Content="&lt;-" HorizontalAlignment="Left" Margin="415,236,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="24" FontFamily="Microsoft YaHei UI Light" Click="B_delete_Click"/><Button Content="÷" HorizontalAlignment="Left" Margin="550,236,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="48" FontFamily="Microsoft YaHei UI Light" Click="Button_Click_4"/><Button x:Name="B_radical" Content="√" HorizontalAlignment="Left" Margin="10,331,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" FontFamily="Microsoft YaHei UI Light" Click="B_radical_Click"/><Button x:Name="B_7" Content="7" HorizontalAlignment="Left" Margin="145,331,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button x:Name="B_8" Content="8" HorizontalAlignment="Left" Margin="280,331,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button x:Name="B_9" Content="9" HorizontalAlignment="Left" Margin="415,331,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button Content="×" HorizontalAlignment="Left" Margin="550,331,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="48" FontFamily="Microsoft YaHei UI Light" Click="Button_Click_3"/><Button x:Name="B_sq" Content="x²" HorizontalAlignment="Left" Margin="10,426,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" FontFamily="Microsoft YaHei UI Light" Click="B_sq_Click"/><Button x:Name="B_4" Content="4" HorizontalAlignment="Left" Margin="145,426,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button x:Name="B_5" Content="5" HorizontalAlignment="Left" Margin="280,426,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button x:Name="B_6" Content="6" HorizontalAlignment="Left" Margin="415,426,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button x:Name="B_sub" Content="-" HorizontalAlignment="Left" Margin="550,426,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="48" FontFamily="Microsoft YaHei UI Light" Click="B_sub_Click"/><Button x:Name="B_cu" Content="x³" HorizontalAlignment="Left" Margin="10,521,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" FontFamily="Microsoft YaHei UI Light" Click="B_cu_Click"/><Button x:Name="B_1" Content="1" HorizontalAlignment="Left" Margin="145,521,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button x:Name="B_2" Content="2" HorizontalAlignment="Left" Margin="280,521,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button x:Name="B_3" Content="3" HorizontalAlignment="Left" Margin="415,521,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button Content="+" HorizontalAlignment="Left" Margin="550,521,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="48" FontFamily="Microsoft YaHei UI Light" Click="Button_Click_2"/><Button x:Name="B_reciprocal" Content="1/x" HorizontalAlignment="Left" Margin="10,616,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="24" FontFamily="Microsoft YaHei UI Light" Click="B_reciprocal_Click"/><Button x:Name="B_opp" Content="±" HorizontalAlignment="Left" Margin="145,616,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" FontFamily="Microsoft YaHei UI Light" Click="B_opp_Click"/><Button x:Name="B_0" Content="0" HorizontalAlignment="Left" Margin="280,616,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" Click="B_NUM_Click"/><Button Content="." HorizontalAlignment="Left" Margin="415,616,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" FontFamily="Microsoft YaHei UI Light" Click="Button_Click_1"/><Button x:Name="B_eq" Content="=" HorizontalAlignment="Left" Margin="550,616,0,0" VerticalAlignment="Top" Width="130" Height="90" FontSize="36" FontFamily="Microsoft YaHei UI Light" Click="B_eq_Click"/><TabControl Margin="700,0,0,0"><TabItem><TabItem.Header >历史记录</TabItem.Header><StackPanel><TextBlock x:Name="historyText" HorizontalAlignment="Left" >Popup Text c</TextBlock></StackPanel></TabItem><TabItem Header="内存"><!--Bind TextBlock.Text to the TextBox on the first TabItem.--><TextBlock Text="{Binding ElementName=textBox1, Path=Text}"/></TabItem></TabControl><!--<Grid>--><!-- Declare normal view content here --><!--<Border CornerRadius="5" Background="White" BorderBrush="LightGray" BorderThickness="1" Width="200" Height="100" Panel.ZIndex="10"><Border.Effect><DropShadowEffect BlurRadius="10" Direction="270" ShadowDepth="7" Opacity="0.5"/></Border.Effect><TextBlock Text="I'm a fake Popup control" HorizontalAlignment="Center" VerticalAlignment="Center"/></Border></Grid> --></Grid>
</Controls:MetroWindow>

CS

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using MahApps.Metro.Controls;
using System.Windows.Controls.Primitives;namespace Homework19
{/// <summary>/// MainWindow.xaml 的交互逻辑/// </summary>public partial class MainWindow : MetroWindow{public MainWindow(){InitializeComponent();B_MC.IsEnabled = false;B_M__1.IsEnabled = false;B_M__.IsEnabled = false;B_MR.IsEnabled = false;}//temp用于临时存储操作数，oper存储最近一次的运算符private double temp, op1, op2, memory, result;private string oper = null;//next用来表示是否要输入新的操作数private bool next;//连续计算时先计算前面的结果private void Aut(){op2 = Convert.ToDouble(Out_1.Text);switch (oper){case "+":result = op1 + op2;break;case "-":result = op1 - op2;break;case "×":result = op1 * op2;break;case "÷":result = op1 / op2;break;default:break;}Out_1.Text = Convert.ToString(result);//Out_2.Text = Convert.ToString(result);}private void Button_Click(object sender, RoutedEventArgs e){//目标this.contextMenu.PlacementTarget = this.btnMenu;//位置this.contextMenu.Placement = PlacementMode.Top;//显示菜单this.contextMenu.IsOpen = true;}private void B_NUM_Click(object sender, RoutedEventArgs e){Button numBtn = sender as Button;string numstr = numBtn.Content.ToString();if (numstr != "0"){if (Out_1.Text == "0" || next){Out_1.Text = numstr;if (next){next = false;}}elseOut_1.Text += numstr;}else{if (Out_1.Text != "0"){Out_1.Text += "0";}if (next){Out_1.Text = "0";next = false;}}}private void B_C_Click(object sender, RoutedEventArgs e){Out_1.Text = "0";Out_2.Text = "";oper = null;}private void B_CE_Click(object sender, RoutedEventArgs e){Out_1.Text = "0";Out_2.Text = "";oper = null;}private void Button_Click_2(object sender, RoutedEventArgs e){Out_2.Text += Out_1.Text + "+";if (oper != null){Aut();}op1 = Convert.ToDouble(Out_1.Text);oper = "+";next = true;}private void B_sub_Click(object sender, RoutedEventArgs e){Out_2.Text += Out_1.Text + "-";if (oper != null){Aut();}op1 = Convert.ToDouble(Out_1.Text);oper = "-";next = true;}private void Button_Click_3(object sender, RoutedEventArgs e){Out_2.Text += Out_1.Text + "×";if (oper != null){Aut();}op1 = Convert.ToDouble(Out_1.Text);oper = "×";next = true;}private void Button_Click_4(object sender, RoutedEventArgs e){Out_2.Text += Out_1.Text + "÷";if (oper != null){Aut();}op1 = Convert.ToDouble(Out_1.Text);oper = "÷";next = true;}private void B_delete_Click(object sender, RoutedEventArgs e){if (!next){if (Out_1.Text.Length == 1){Out_1.Text = "0";}else{Out_1.Text = Out_1.Text.Substring(0, Out_1.Text.Length - 1);}}}private void B_reciprocal_Click(object sender, RoutedEventArgs e){try{temp = Convert.ToDouble(Out_1.Text);temp = 1 / temp;Out_1.Text = Convert.ToString(temp);}catch (Exception ee){Out_1.Text = "除数不能为0";}}private void B_sq_Click(object sender, RoutedEventArgs e){temp = Convert.ToDouble(Out_1.Text);temp = Math.Pow(temp, 2);Out_1.Text = Convert.ToString(temp);}private void B_cu_Click(object sender, RoutedEventArgs e){temp = Convert.ToDouble(Out_1.Text);temp = Math.Pow(temp, 3);Out_1.Text = Convert.ToString(temp);}private void B_radical_Click(object sender, RoutedEventArgs e){temp = Convert.ToDouble(Out_1.Text);temp = Math.Pow(temp, 0.5);Out_1.Text = Convert.ToString(temp);}private void B_per_Click(object sender, RoutedEventArgs e){temp = Convert.ToDouble(Out_1.Text);temp = temp / 100;Out_1.Text = Convert.ToString(temp);}private void B_MR_Click(object sender, RoutedEventArgs e){Out_1.Text = Convert.ToString(memory);}private void B_M__1_Click(object sender, RoutedEventArgs e){memory += Convert.ToDouble(Out_1.Text);}private void B_M___Click(object sender, RoutedEventArgs e){memory -= Convert.ToDouble(Out_1.Text);}private void B_MC_Click(object sender, RoutedEventArgs e){memory = 0;B_MC.IsEnabled = false;B_M__1.IsEnabled = false;B_M__.IsEnabled = false;B_MR.IsEnabled = false;}private void B_MS_Click(object sender, RoutedEventArgs e){memory = Convert.ToDouble(Out_1.Text);B_MC.IsEnabled = true;B_M__1.IsEnabled = true;B_M__.IsEnabled = true;B_MR.IsEnabled = true;}private void B_eq_Click(object sender, RoutedEventArgs e){op2 = Convert.ToDouble(Out_1.Text);switch (oper){case "+":result = op1 + op2;break;case "-":result = op1 - op2;break;case "×":result = op1 * op2;break;case "÷":result = op1 / op2;break;default:break;}oper = null;Out_1.Text = Convert.ToString(result);Out_2.Text = "";}private void B_opp_Click(object sender, RoutedEventArgs e){temp = Convert.ToDouble(Out_1.Text);if (temp != 0){temp = 0 - temp;}Out_1.Text = Convert.ToString(temp);}private void Button_Click_1(object sender, RoutedEventArgs e){Out_1.Text += ".";}}
}

运行结果

三、实验心得与体会

熟悉使用WPF进行界面编程的基本过程；
掌握WPF布局、控件、事件的使用。
熟悉使用数据绑定、模板、样式等特性；

源代码

Windows 10 计算器 C++源代码

https://github.com/Microsoft/calculator

仿Windows 10 计算器 C#源代码

https://github.com/BuXianShan/Calculator

参考文章

https://blog.csdn.net/qq_43479622/article/details/91599602

https://blog.csdn.net/OneWord233/article/details/80755284

https://www.cnblogs.com/lonelyxmas/p/12117453.html

https://blog.csdn.net/weixin_42009898/article/details/80921151

https://www.cnblogs.com/ouyangkai/p/12759466.html

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