閒着無聊研究了下C#的wpf，主要是學習界面，第一次學習有可能有bug或寫的不好的地方各位大佬們不要吐槽哈。
Calculator.xaml文件
<Window x:Class="Calcu.Calculator"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="Calculator" Height="320" Width="350"
ResizeMode="NoResize"
>
<Grid>
<StackPanel
Orientation="Vertical"
>
<StackPanel
Orientation="Horizontal"
>
<TextBox InputMethod.IsInputMethodEnabled="False" KeyDown="Keydown" Name="inputContent" Margin="10,20,0,0" Width="230" Height="45" FontSize="30" FontStyle="Normal" FontFamily="SimSun" VerticalContentAlignment="Bottom" TextAlignment="Right" />
</StackPanel>
<StackPanel
Orientation="Horizontal"
>
<Button Click="onClick" Name="btn7" Width="50" Height="30" Margin="10,10,0,0" Content="7"/>
<Button Click="onClick" Name="btn8" Width="50" Height="30" Margin="10,10,0,0" Content="8"/>
<Button Click="onClick" Name="btn9" Width="50" Height="30" Margin="10,10,0,0" Content="9"/>
<Button Click="onClick" Name="chu" Width="50" Height="30" Margin="10,10,0,0" Content="/"/>
</StackPanel>
<StackPanel
Orientation="Horizontal"
>
<Button Click="onClick" Name="btn4" Width="50" Height="30" Margin="10,10,0,0" Content="4"/>
<Button Click="onClick" Name="btn5" Width="50" Height="30" Margin="10,10,0,0" Content="5"/>
<Button Click="onClick" Name="btn6" Width="50" Height="30" Margin="10,10,0,0" Content="6"/>
<Button Click="onClick" Name="cheng" Width="50" Height="30" Margin="10,10,0,0" Content="*"/>
</StackPanel>
<StackPanel
Orientation="Horizontal"
>
<Button Click="onClick" Name="btn1" Width="50" Height="30" Margin="10,10,0,0" Content="1"/>
<Button Click="onClick" Name="btn2" Width="50" Height="30" Margin="10,10,0,0" Content="2"/>
<Button Click="onClick" Name="btn3" Width="50" Height="30" Margin="10,10,0,0" Content="3"/>
<Button Click="onClick" Name="jian" Width="50" Height="30" Margin="10,10,0,0" Content="-"/>
</StackPanel>
<StackPanel
Orientation="Horizontal"
>
<Button Click="onClick" Name="btn0" Width="110" Height="30" Margin="10,10,0,0" Content="0"/>
<Button Click="onClick" Name="point" Width="50" Height="30" Margin="10,10,0,0" Content="."/>
<Button Click="onClick" Name="jia" Width="50" Height="30" Margin="10,10,0,0" Content="+"/>
</StackPanel>
<StackPanel
Orientation="Horizontal"
>
<Button Click="onClick" Name="clear" Width="110" Height="30" Margin="10,10,0,10" Content="C"/>
<Button Click="onClick" Name="dengyu" Width="110" Height="30" Margin="10,10,0,10" Content="="/>
</StackPanel>
</StackPanel>
</Grid>
</Window>
Calculator.xaml.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.Shapes;
namespace Calcu
{
/// <summary>
/// jisuanqi.xaml 的交互邏輯
/// </summary>
public partial class Calculator : Window
{
private string currentStatus = "";
private double firstNum = -1;
private double secondNum = -1;
private string tempContent = "";
private int firstNumLen = 0;
private const string PLUS = "+";
private const string SUBTRACTION = "-";
private const string MULTIPLICATION = "*";
private const string DIVISION = "/";
private const string EQUAL = "=";
public Calculator()
{
InitializeComponent();
}
private void Keydown(object sender, KeyEventArgs e)
{
e.Handled = true;
}
private void onClick(object sender, RoutedEventArgs e)
{
Button btn = sender as Button;
if (btn != null)
{
string value = (string)btn.Content;
switch (value)
{
case DIVISION:
if (tempContent.Length == 0)
{
return;
}
firstNum = double.Parse(tempContent);
currentStatus = DIVISION;
tempContent += currentStatus;
inputContent.Text = tempContent;
firstNumLen = tempContent.Length;
break;
case MULTIPLICATION:
if (tempContent.Length == 0)
{
return;
}
firstNum = double.Parse(tempContent);
currentStatus = MULTIPLICATION;
tempContent += currentStatus;
inputContent.Text = tempContent;
firstNumLen = tempContent.Length;
break;
case PLUS:
if (tempContent.Length == 0)
{
return;
}
firstNum = double.Parse(tempContent);
currentStatus = PLUS;
tempContent += currentStatus;
inputContent.Text = tempContent;
firstNumLen = tempContent.Length;
break;
case SUBTRACTION:
if (tempContent.Length == 0)
{
return;
}
firstNum = double.Parse(tempContent);
currentStatus = SUBTRACTION;
tempContent += currentStatus;
inputContent.Text = tempContent;
firstNumLen = tempContent.Length;
break;
case EQUAL:
if (firstNum < 0 || currentStatus.Length == 0)
{
return;
}
Console.WriteLine(tempContent);
Console.WriteLine(firstNumLen);
Console.WriteLine(tempContent.Length);
string secondStr = tempContent.Substring(firstNumLen);
Console.WriteLine(secondStr);
secondNum = double.Parse(secondStr);
double result=0.0;
switch (currentStatus)
{
case PLUS:
result = firstNum + secondNum;
break;
case SUBTRACTION:
result = firstNum - secondNum;
break;
case MULTIPLICATION:
result = firstNum * secondNum;
break;
case DIVISION:
result = firstNum/secondNum;
break;
}
string showResult = result.ToString("f10");
firstNum = double.Parse(showResult);
inputContent.Text = showResult;
secondNum = -1;
currentStatus = "";
firstNumLen = tempContent.Length;
tempContent = showResult;
break;
case "C":
inputContent.Text = "";
currentStatus = "";
firstNum = -1;
secondNum = -1;
tempContent = "";
firstNumLen = 0;
break;
default:
if (firstNumLen > 0 && currentStatus.Length <= 0)
{
inputContent.Text = "";
currentStatus = "";
firstNum = -1;
secondNum = -1;
tempContent = "";
firstNumLen = 0;
}
tempContent += value;
inputContent.Text = tempContent;
break;
}
}
}
}
}
效果圖：
