本次作业，在和小伙伴的一起努力下，终于完成了。感觉这难度有点大，还需要不断看书 学习知识。才能掌握必要的技能
然后这次的代码如下 ：
namespace _SZYS1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public static int Count = 0;
public static int right = 0;
public static int fault = 0;
PRivate void RandomNum()
{
Random ran = new Random();
int a, b; string m;
a = ran.Next(int.Parse(textBox4.Text), int.Parse(textBox5.Text));
b = ran.Next(int.Parse(textBox4.Text), int.Parse(textBox5.Text));
if (a >= b)
{
textBox1.Text = a.ToString();
textBox2.Text = b.ToString();
textBox3.Text = "";
Count++;
textBox6.Text = Form1.Count.ToString();
if (textBox7.Text == textBox6.Text)
{
MessageBox.Show("你已做完计算！");
}
}
else if (a < b)
{
m = b.ToString();
textBox2.Text = a.ToString();
textBox1.Text = m;
textBox3.Text = "";
Count++;
textBox6.Text = Form1.Count.ToString();
if (textBox7.Text == textBox6.Text)
{
MessageBox.Show("你已做完计算！");
}
}
}
private void timer1_Tick(object sender, EventArgs e)
{
if (Convert.ToInt32(textBox8.Text) <= 0)
{
timer1.Enabled = false;
textBox3.Enabled = false;
MessageBox.Show("时间到！");
textBox3.Enabled = false;
Form2 frm2 = new Form2();
frm2.ShowDialog()
}
int t = Convert.ToInt32(textBox8.Text);
t = t - 1;
textBox8.Text = t.ToString();
}
private void textBox3_KeyDown(object sender, KeyEventArgs e)
{
int sum = 0;
string m = label3.Text;
if (m == "+")
{
sum = int.Parse(textBox1.Text) + int.Parse(textBox2.Text);
if (e.KeyCode == Keys.Enter)
{
if (textBox3.Text == sum.ToString())
{
right++;
RandomNum();
}
else
{
fault++;
RandomNum();
}
}
}
else if (m == "-")
{
sum = int.Parse(textBox1.Text) - int.Parse(textBox2.Text);
if (e.KeyCode == Keys.Enter)
{
if (textBox3.Text == sum.ToString())
{
right++;
RandomNum();
}
else
{
fault++;
RandomNum();
}
}
}
else if (m == "x")
{
sum = int.Parse(textBox1.Text) * int.Parse(textBox2.Text);
if (e.KeyCode == Keys.Enter)
{
if (textBox3.Text == sum.ToString())
{
right++;
RandomNum();
}
else
{ fault++;
RandomNum();
}
}
}
else
{
sum = int.Parse(textBox1.Text) / int.Parse(textBox2.Text);
}
}
private void button1_Click(object sender, EventArgs e)
{
label3.Text = "+";
int t = Convert.ToInt32(textBox8.Text);
label2.Text = t.ToString();
timer1.Enabled = true;
timer1.Interval = 1000;
timer1.Start();
RandomNum();
}
private void button2_Click(object sender, EventArgs e)
{
label3.Text = "-";
int t = Convert.ToInt32(textBox8.Text);
label2.Text = t.ToString();
timer1.Enabled = true;
timer1.Interval = 1000;
timer1.Start();
RandomNum();
}
private void button3_Click(object sender, EventArgs e)
{
label3.Text = "x";
int t = Convert.ToInt32(textBox8.Text);
label2.Text = t.ToString();
timer1.Enabled = true;
timer1.Interval = 1000;
timer1.Start();
RandomNum();
}
private void button4_Click(object sender, EventArgs e)
{
label3.Text = "/";
int t = Convert.ToInt32(textBox8.Text);
label2.Text = t.ToString();
timer1.Enabled = true;
timer1.Interval = 1000;
timer1.Start();
Random ran = new Random();
int a, b; string m;
a = ran.Next(int.Parse(textBox4.Text), int.Parse(textBox5.Text));
b = ran.Next(int.Parse(textBox4.Text), int.Parse(textBox5.Text));
if (b != 0)
{
textBox1.Text = a.ToString();
textBox2.Text = b.ToString();
textBox3.Text = "";
Count++;
textBox6.Text = Form1.Count.ToString();
if (textBox7.Text == textBox6.Text)
{
MessageBox.Show("你已做完计算！");
}
}
else
{
m = b.ToString();
textBox2.Text = a.ToString();
textBox1.Text = m;
textBox3.Text = "";
Count++;
textBox6.Text = Form1.Count.ToString();
if (textBox7.Text == textBox6.Text)
{
MessageBox.Show("你已做完计算！");
}
}
}
private void button7_Click(object sender, EventArgs e)
{
Form2 frm2 = new Form2();
frm2.ShowDialog();
} private void textBox4_TextChanged(object sender, EventArgs e)
{
int result;
if (int.TryParse(textBox4.Text, out result) == false)
{
if (!(textBox4.Text == ""))
{
MessageBox.Show("请输入数字！", "提示");
textBox4.Clear();
}
}
}
private void textBox5_TextChanged(object sender, EventArgs e)
{
int result;
if (int.TryParse(textBox5.Text, out result) == false)
{
if (!(textBox5.Text == ""))
{
MessageBox.Show("请输入数字！", "提示");
textBox5.Clear();
}
}
}
private void textBox7_TextChanged(object sender, EventArgs e)
{
int result;
if (int.TryParse(textBox7.Text, out result) ==false)
{
if (!(textBox7.Text == ""))
{
MessageBox.Show("请输入数字！", "提示");
textBox7.Clear();
}
}
}
private void button5_Click(object sender, EventArgs e)
{
textBox1.Clear();
textBox2.Clear();
textBox3.Clear();
textBox4.Clear();
textBox5.Clear();
textBox7.Clear();
}
}
}
截图：
