用VS制作简易计算器(WPF)

好的，我可以为您提供一些指导。

首先，在Visual Studio中创建一个新的WPF项目。在项目中添加一个Grid控件，然后在Grid中添加一些按钮、文本框和标签，这些将组成我们的计算器界面。

接下来，需要编写一些代码来处理按钮的点击事件。您可以为每个数字、运算符和清除按钮添加一个Click事件处理程序，并在其中编写相应的代码。

例如，对于数字按钮，您可以在Click事件处理程序中获取该按钮上的数字，然后将其添加到文本框中。对于运算符按钮，您可以在Click事件处理程序中获取当前文本框中的数字和运算符，在执行计算后将结果显示在文本框中。

最后，您可以添加一些样式和布局来美化您的计算器界面，使其更加用户友好。

以下是一个简单的示例，演示如何在WPF中创建一个简单的计算器。

<Window x:Class="Calculator.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Calculator" Height="350" Width="350">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>
        <TextBox x:Name="ResultText" Grid.Row="0" Margin="5" Text="0" IsReadOnly="True"/>
        <Button x:Name="ClearButton" Grid.Row="1" Margin="5" Content="C" Width="50" Height="50" Click="ClearButton_Click"/>
        <Button x:Name="PlusMinusButton" Grid.Row="1" Margin="5,0,0,0" Content="+/-" Width="50" Height="50" Click="PlusMinusButton_Click"/>
        <Button x:Name="PercentButton" Grid.Row="1" Margin="5,0,0,0" Content="%" Width="50" Height="50" Click="PercentButton_Click"/>
        <Button x:Name="DivideButton" Grid.Row="1" Margin="60,0,0,0" Content="/" Width="50" Height="50" Click="OperatorButton_Click"/>
        <Button x:Name="SevenButton" Grid.Row="2" Margin="5" Content="7" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="EightButton" Grid.Row="2" Margin="5,0,0,0" Content="8" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="NineButton" Grid.Row="2" Margin="5,0,0,0" Content="9" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="MultiplyButton" Grid.Row="2" Margin="60,0,0,0" Content="*" Width="50" Height="50" Click="OperatorButton_Click"/>
        <Button x:Name="FourButton" Grid.Row="3" Margin="5" Content="4" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="FiveButton" Grid.Row="3" Margin="5,0,0,0" Content="5" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="SixButton" Grid.Row="3" Margin="5,0,0,0" Content="6" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="MinusButton" Grid.Row="3" Margin="60,0,0,0" Content="-" Width="50" Height="50" Click="OperatorButton_Click"/>
        <Button x:Name="OneButton" Grid.Row="4" Margin="5" Content="1" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="TwoButton" Grid.Row="4" Margin="5,0,0,0" Content="2" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="ThreeButton" Grid.Row="4" Margin="5,0,0,0" Content="3" Width="50" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="PlusButton" Grid.Row="4" Margin="60,0,0,0" Content="+" Width="50" Height="50" Click="OperatorButton_Click"/>
        <Button x:Name="ZeroButton" Grid.Row="5" Margin="5" Content="0" Width="105" Height="50" Click="NumberButton_Click"/>
        <Button x:Name="DecimalButton" Grid.Row="5" Margin="5,0,0,0" Content="." Width="50" Height="50" Click="DecimalButton_Click"/>
        <Button x:Name="EqualsButton" Grid.Row="5" Margin="60,0,0,0" Content="=" Width="50" Height="50" Click="EqualsButton_Click"/>
    </Grid>
</Window>

public partial class MainWindow : Window
{
    private double _result = 0;
    private string _operator = "";
    private bool _isNewNumber = true;

    public MainWindow()
    {
        InitializeComponent();
    }

    private void NumberButton_Click(object sender, RoutedEventArgs e)
    {
        Button button = (Button)sender;
        string number = button.Content.ToString();

        if (_isNewNumber)
        {
            ResultText.Text = number;
            _isNewNumber = false;
        }
        else
        {
            ResultText.Text += number;
        }
    }

    private void OperatorButton_Click(object sender, RoutedEventArgs e)
    {
        Button button = (Button)sender;
        string newOperator = button.Content.ToString();

        if (_operator != "")
        {
            double currentValue = double.Parse(ResultText.Text);
            _result = Calculate(_result, currentValue, _operator);
            ResultText.Text = _result.ToString();
        }
        else
        {
            _result = double.Parse(ResultText.Text);
        }

        _operator = newOperator;
        _isNewNumber = true;
    }

    private void EqualsButton_Click(object sender, RoutedEventArgs e)
    {
        double currentValue = double.Parse(ResultText.Text);
        _result = Calculate(_result, currentValue, _operator);
        ResultText.Text = _result.ToString();

        _operator = "";
        _isNewNumber = true;
    }

    private void ClearButton_Click(object sender, RoutedEventArgs e)
    {
        ResultText.Text = "0";
        _result = 0;
        _operator = "";
        _isNewNumber = true;
    }

    private void PlusMinusButton_Click(object sender, RoutedEventArgs e)
    {
        double currentValue = double.Parse(ResultText.Text);
        currentValue *= -1;
        ResultText.Text = currentValue.ToString();
    }

    private void PercentButton_Click(object sender, RoutedEventArgs e)
    {
        double currentValue = double.Parse(ResultText.Text);
        currentValue /= 100;
        ResultText.Text = currentValue.ToString();
    }

    private void DecimalButton_Click(object sender, RoutedEventArgs e)
    {
        if (!_isNewNumber && !ResultText.Text.Contains("."))
        {
            ResultText.Text += ".";
        }
    }

    private double Calculate(double firstNumber, double secondNumber, string operation)
    {
        double result = 0;

        switch (operation)
        {
            case "+":
                result = firstNumber + secondNumber;
                break;
            case "-":
                result = firstNumber - secondNumber;
                break;
            case "*":
                result = firstNumber * secondNumber;
                break;
            case "/":
                result = firstNumber / secondNumber;
                break;
        }

        return result;
    }
}

这个示例只是一个简单的计算器，您可以根据需要进行修改和扩展。希望这些提示对您有所帮助！