C#WPF计算器!一个刚刚入门一个星期Csharp的应届生!

先入正题吧!1:创建wpf应用。我用的VS是2013!2:创建wpf文件并且起名字!3:起一条虚线3:打开我们电脑基本的计算器,然后我们模仿他来做计算器吧!4:在工具箱找到lable,把他拖进来。并且起一

C#WPF计算器!一个刚刚入门一个星期Csharp的应届生!

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先入正题吧!

  

1:创建wpf应用。我用的VS是2013!

  

2:创建wpf文件并且起名字!

  

3:起一条虚线

  

3:打开我们电脑基本的计算器,然后我们模仿他来做计算器吧!

  

4:在工具箱找到lable,把他拖进来。并且起一个名字!设置他的属性。

  

4:再然后在工具箱找到button按钮把他拖进来。并且帮他起名字,还有设置他的属性!

  

5:写完整的界面,按钮直接复制粘贴就可以的!下一步进行后台代码!

  

6:定义三个变量存放数据!

  

7:设置按钮0的点击事件!然后数字键复制粘贴就可以了!

  

8:设置符号键,给他赋值!

  

9:设置C按键清除所有!这个问了很多人才找到的C按键清除lable!

  

10:设置等于号按键促发加减乘除!

  

11:然后一个计算器完成了!下面是全部代码!

  

namespaceLVcalculation

  

{

  

??///

  

??///MainWindow.xaml的交互逻辑

  

??///

  

??publicpartialclassMainWindow:Window

  

??{

  

????stringnumber1=null,number2=null,flag=null;//第一个变量存放按下的第一个字符,第二个变量存放按下符号键的字符。第三个存放符号的字符!

  

????publicMainWindow左边()右边

  

????{

  

??????InitializeComponent左边()右边;

  

????}

  

????privatevoidbutton0_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"0";

  

????????lable1.Content=number1;

  

??????}

  

??????else{

  

????????number2=number2+"0";

  

????????lable1.Content=number2;

  

???????

  

??????}

  

????}

  

????privatevoidbutton1_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"1";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"1";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbutton2_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"2";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"2";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbutton3_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"3";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"3";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbutton4_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"4";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"4";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbutton5_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"5";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"5";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbutton6_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"6";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"6";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbutton7_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"7";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"7";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbutton8_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"8";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"8";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbutton9_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+"9";

  

????????lable1.Content=number1;

  

??????}

  

??????else

  

??????{

  

????????number2=number2+"9";

  

????????lable1.Content=number2;

  

??????}

  

????}

  

????privatevoidbuttonb_Click(objectsender,RoutedEventArgse)

  

????{

  

??????flag="-";

  

????}

  

????privatevoidbuttona_Click(objectsender,RoutedEventArgse)

  

????{

  

??????flag="+";

  

????}

  

????privatevoidbuttone_Click(objectsender,RoutedEventArgse)

  

????{

  

??????flag="%";

  

????}

  

????privatevoidbuttond_Click(objectsender,RoutedEventArgse)

  

????{

  

??????flag="/";

  

????}

  

????privatevoidbuttonc_Click(objectsender,RoutedEventArgse)

  

????{

  

??????flag="*";

  

????}

  

????privatevoidbuttoncc_Click(objectsender,RoutedEventArgse)

  

????{

  

??????this.lable1.Content="";

  

????}

  

????privatevoidbuttongg_Click(objectsender,RoutedEventArgse)

  

????{

  

??????if(flag==null)

  

??????{

  

????????number1=number1+".";

  

????????lable1.Content=number1;

  

??????}

  

??????else{

  

????????number2=number2+".";

  

????????lable1.Content=number2;

  

???????

  

??????}

  

????}

  

????privatevoidbuttonf_Click(objectsender,RoutedEventArgse)

  

????{

  

??????switch(flag){

  

????????case"+":lable1.Content=Convert.ToString(Convert.ToDouble(number1)+Convert.ToDouble(number2));

  

??????????break;

  

????????case"-":lable1.Content=Convert.ToString(Convert.ToDouble(number1)-Convert.ToDouble(number2));

  

??????????break;

  

????????case"*":lable1.Content=Convert.ToString(Convert.ToDouble(number1)*Convert.ToDouble(number2));

  

??????????break;

  

????????case"/":lable1.Content=Convert.ToString(Convert.ToDouble(number1)/Convert.ToDouble(number2));

  

??????????break;

  

????????case"%":lable1.Content=Convert.ToString(Convert.ToDouble(number1)%Convert.ToDouble(number2));

  

??????????break;

  

??????}

  

??????number1=null;

  

??????number2=null;

  

??????flag=null;

  

????}

  

??}

  

}

  

12:还有一种方法写!注意这个方法的是用textbox,不是用lable。

  

13:下面是这个的全部代码!

  

  

????xmlns=""

  

????xmlns:x=""

  

????Title="为什么我写的计算器这么多bug"Height="350"MaxHeight="350"MinHeight="350"Width="525"MaxWidth="525"MinWidth="525"

  

????>

  

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