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C#——简单的计算器（仿Windows 10计算器）

發(fā)布時間：2024/10/5 C# 106 豆豆

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問題描述

運用WPF技術，模仿Windows 10系統(tǒng)中計算機器（Calculator）程序，開發(fā)一個類似程序。

問題分析

注：?

MS：記憶當前顯示的數(shù)字（Memory Save）
MC：清除記憶的數(shù)字（Memory Clean）
MR：顯示記憶的數(shù)字（Memory Recall）
M-：記憶的數(shù)字減去當前數(shù)字，并保存
M+：記憶的數(shù)字加上當前數(shù)字，并保存

解決方案?

創(chuàng)建WPF應用

UI設計

?Metro風格來美化：https://www.cnblogs.com/ouyangkai/p/12759466.html

App.xaml?

?MainWindow.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="計算器" 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="≡標準" 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="標準"/><MenuItem Header="科學"/><MenuItem Header="程序員"/><MenuItem Header="日期計算"/></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="<-" 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="operater_Button_Click"/><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="operater_Button_Click"/><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="operater_Button_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="operater_Button_Click"/><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 >歷史記錄</TabItem.Header><Grid><ScrollViewer HorizontalScrollBarVisibility="Auto" Margin="0,0,0,25"><StackPanel x:Name="historyPanel" ></StackPanel></ScrollViewer><Button x:Name="clear_Btn" Height="8" Margin="0,650,0,0" Click="clear_Btn_Click">全部清空</Button></Grid></TabItem><TabItem Header="內(nèi)存"><TextBlock Text="{Binding ElementName=textBox1, Path=Text}"/></TabItem></TabControl></Grid> </Controls:MetroWindow>

邏輯設計?

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 的交互邏輯/// </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用于臨時存儲操作數(shù)，oper存儲最近一次的運算符private double temp, op1, op2, memory, result;private string history=null,oper = null;//next用來表示是否要輸入新的操作數(shù)private bool next;//連續(xù)計算時先計算前面的結果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){//目標this.contextMenu.PlacementTarget = this.btnMenu;//位置this.contextMenu.Placement = PlacementMode.Top;//顯示菜單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 operater_Button_Click(object sender, RoutedEventArgs e){Button operaterBtn = sender as Button;string operater = operaterBtn.Content.ToString();Out_2.Text += Out_1.Text + operater;if (oper != null){Aut();}op1 = Convert.ToDouble(Out_1.Text);oper = operater;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 = "除數(shù)不能為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 clear_Btn_Click(object sender, RoutedEventArgs e){historyPanel.Children.Clear();}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;history = Out_2.Text + Out_1.Text + "=";Out_1.Text = Convert.ToString(result);Out_2.Text = "";Add_History(history, Convert.ToString(result));}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 += ".";}private void Add_History(string cal, string result){Border border = new Border();border.CornerRadius = new CornerRadius(5);border.Background = new SolidColorBrush(Colors.White);border.BorderBrush = new SolidColorBrush(Colors.LightGray);border.BorderThickness = new Thickness(1);border.Height = 100;Grid gird = new Grid();TextBlock textBlock1 = new TextBlock();textBlock1.HorizontalAlignment = HorizontalAlignment.Left; textBlock1.Margin = new Thickness(10, 10, 0, 0); textBlock1.TextWrapping = TextWrapping.Wrap;textBlock1.Text = cal;textBlock1.VerticalAlignment = VerticalAlignment .Top;textBlock1.Width = 260;textBlock1.Height = 28;textBlock1.TextAlignment = TextAlignment.Right;textBlock1.FontSize = 24;TextBlock textBlock2 = new TextBlock();textBlock2.HorizontalAlignment = HorizontalAlignment.Left;textBlock2.Margin = new Thickness(10, 30, 0, 0);textBlock2.TextWrapping = TextWrapping.Wrap;textBlock2.Text = result;textBlock2.VerticalAlignment = VerticalAlignment.Top;textBlock2.Width = 260;textBlock2.Height = 64;textBlock2.TextAlignment = TextAlignment.Right;textBlock2.FontSize = 54;textBlock2.FontFamily = new FontFamily("Microsoft YaHei");gird.Children.Add(textBlock1);gird.Children.Add(textBlock2);border.Child = gird;historyPanel.Children.Add(border);}} }

運行結果

參考項目

Windows 10 計算器 C++源代碼?

https://github.com/Microsoft/calculator

仿Windows 10 計算器 C#源代碼?

https://github.com/BuXianShan/Calculator

參考文章

https://blog.csdn.net/weixin_43272781/article/details/106750837

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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