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C#WPF计算器！一个刚刚入门一个星期Csharp的应届生！

栏目：应届生入户人气：0发表时间：2023-01-30来源：网络

信息摘要：

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......

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C#WPF计算器！一个刚刚入门一个星期Csharp的应届生！

（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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