第三次作业

  1 namespace 计算器
  2 {
  3     public partial class Form1 : Form
  4     {
  5         public static int Count = 0;
  6         private int t = 60;
  7         public static int right = 0;
  8         public static int fault = 0;
  9 
 10         public Form1()
 11         {
 12             InitializeComponent();
 13         }
 14 
 15        
 16         private void button1_Click(object sender, EventArgs e)
 17         {
 18             label2.Text = "+";
 19       
 20         }
 21 
 22         private void button2_Click(object sender, EventArgs e)
 23         {
 24             label2.Text = "-";
 25            
 26         }
 27         private void button3_Click(object sender, EventArgs e)
 28         {
 29             label2.Text = "*";
 30            
 31         }
 32         private void button4_Click(object sender, EventArgs e)
 33         {
 34             label2.Text = "/";
 35             
 36         }
 37 
 38         private void RandomNum()
 39         {
 40             Random ran = new Random();
 41             int n1, n2;
 42             n1 = ran.Next(0, 11);
 43             n2 = ran.Next(1, 11);
 44             textBox1.Text = n1.ToString();
 45             textBox2.Text = n2.ToString();
 46             textBox3.Text = "";
 47             Count++;
 48         }
 49         private void button6_Click(object sender, EventArgs e)
 50         {
 51             textBox3.Enabled = false;
 52             MessageBox.Show("总题目数为：" + Count + "   " + "正确个数为：" + fault + "   "+"错误个数为："+(Count -fault ));
 53 
 54         }
 55         private void textBox3_KeyDown(object sender, KeyEventArgs e)
 56         {          
 57             int m;
 58             if (e.KeyCode == Keys.Enter)
 59             {
 60                 switch (label4.Text)
 61                 {
 62                     case "+":
 63                         m = int.Parse(textBox2.Text) + int.Parse(textBox3.Text);
 64                         break;
 65                     case "-":
 66                         m = int.Parse(textBox2.Text) - int.Parse(textBox3.Text);
 67                         break;
 68                     case "*":
 69                         m = int.Parse(textBox2.Text) * int.Parse(textBox3.Text);
 70                         break;
 71                     default:
 72                         m = int.Parse(textBox2.Text) / int.Parse(textBox3.Text);
 73                         break;
 74                 }
 75                 if (textBox3.Text == Convert.ToString(m))
 76                 {
 77                     right++;
 78                     RandomNum();
 79                 }
 80                 else
 81                 {
 82                     fault++;
 83                     RandomNum();
 84                 }
 85             }
 86         }
 87         private void button5_Click(object sender, EventArgs e)
 88         {
 89             label4.Text = t.ToString();
 90             timer1.Enabled = true;
 91             timer1.Interval = 1000;
 92             timer1.Start();
 93             RandomNum();
 94         }
 95         private void timer1_Tick(object sender, EventArgs e)
 96         {
 97             if (t <= 0)
 98             {
 99                 timer1.Enabled = false;
100                 textBox3.Enabled = false;
101                 MessageBox.Show("时间到！！！");
102                 textBox3.Enabled = false;
103               
104             }
105             t = t - 1;
106             label4.Text = t.ToString();
107         }
108 
109         private void label2_Click(object sender, EventArgs e)
110         {
111             
112         }
113 
114         private void Form1_Load(object sender, EventArgs e)
115         {
116 
117         }
118 
119         private void label1_Click(object sender, EventArgs e)
120         {
121 
122         }
123 
124         private void label3_Click(object sender, EventArgs e)
125         {
126 
127         }
128     }
129 
130 }