C#程序设计实验10 数学测验过关小游戏

<Window x:Class="mathGame.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:mathGame"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid Margin="10,8,-10,-7">

        <Button x:Name="begin" Content="生成试题并开始计时" Margin="508,71,0,305" Width="179" HorizontalAlignment="Left" Click="begin_Click"/>
        <TextBox x:Name="miao" TextWrapping="Wrap" Text="" Margin="542,246,113,152" RenderTransformOrigin="1.212,0.325"/>
        <TextBlock HorizontalAlignment="Left" Margin="436,246,0,0" TextWrapping="Wrap" Text="剩余时间为：" VerticalAlignment="Top" Height="36" Width="106" TextAlignment="Center"/>
        <GroupBox Name="groupBox" Header="试题"  BorderThickness="2" Padding="10 0 10 10" Margin="0,128,447,29">
            <StackPanel Width="300" Height="200" Margin="0,0,21,0">
                <StackPanel.Resources>
                    <Style TargetType="Label">
                        <Setter Property="Width" Value="90"/>
                        <Setter Property="VerticalContentAlignment" Value="Center"/>
                        <Setter Property="Margin" Value="0 10 0 0"/>
                    </Style>
                    <Style TargetType="TextBox">
                        <Setter Property="VerticalContentAlignment" Value="Center"/>
                        <Setter Property="Width" Value="116"/>
                        <Setter Property="Margin" Value="0 10 10 0"/>
                    </Style>
                </StackPanel.Resources>
                <WrapPanel Width="220">
                    <Label Name="label1" Content="1. 11+22="/>
                    <TextBox Name="one" Text="33"/>
                    <Label Name="label2" Content="2. 97-18="/>
                    <TextBox Name="two"/>
                    <Label Name="label3" Content="3. 9×7="/>
                    <TextBox Name="three"/>
                    <Label Name="label4" Content="4. 8/4="/>
                    <TextBox Name="four"/>
                </WrapPanel>
            </StackPanel>
        </GroupBox>

    </Grid>
</Window>
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 System.Windows.Threading;
namespace mathGame
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void begin_Click(object sender, RoutedEventArgs e)
        {
            begin.IsEnabled = false;
            int second = 25;
            //创建计时器对象
            DispatcherTimer timer = new DispatcherTimer();
            timer.Interval = TimeSpan.FromMilliseconds(1000);//间隔1秒
            timer.Start();
            
            
            Random r = new Random ();
            miao.Text = $"{second} 秒";
            one.Text = two.Text = three.Text = four.Text = "";
            int l11,l12, l21, l22,l31,l32,l41,l42;
            label1.Content = string.Format("1、{0}+{1}=",l11= r.Next(1, 10),l12= r.Next(1, 10));
            label2.Content = string.Format("2、{0}-{1}=", l21=r.Next(1, 10), l22=r.Next(1, 10));
            label3.Content = string.Format("3、{0}×{1}=", l31=r.Next(1, 10),l32= r.Next(1, 10));
            do
            {
                l41 = r.Next(1, 10);
                l42 = r.Next(1, 10);
            }while(l41%l42==0 && l41>l42);
            label4.Content = string.Format($"4、{l41}÷{l42}=" );
            timer.Tick += delegate
            {
                if (second == 0)
                {
                    try
                    {
                        if ( (l11 + l12 ==int.Parse(one.Text)) &&
                        (l21 - l22 == int.Parse(two.Text)) &&
                        (l31 * l32 == int.Parse(three.Text)) &&
                        (l41 / l42 == int.Parse(four.Text) ))
                        {
                            MessageBox.Show("你赢了！");
                            timer.Stop();
                            return;
                        }
                        else
                        {
                            MessageBox.Show("答案错误，你输了！");
                            timer.Stop();
                            return;
                        }
                    }
                    catch
                    {
                        MessageBox.Show("你输入的不是数字！");
                    }
                    finally
                    {
                        begin.IsEnabled = true;
                        
                    }
                    
                }
                else
                {
                    second--;
                    miao.Text = $"{second} 秒";
                }
            };
        }
    }
}