int a = Convert.ToInt32(no[0]); int b = Convert.ToInt32(no[1]); if (fuhao == 1) { sum = a + b; textBox1.Text = Convert.ToString(sum); } else if (fuhao == 2) { sum = a - b; textBox1.Text = Convert.ToString(sum); } else if (fuhao == 3) { sum = a * b; textBox1.Text = Convert.ToString(sum); } else { sum = a / b; textBox1.Text = Convert.ToString(sum); }
{
textBox1.Text += 1;
} private void button2_Click(object sender, EventArgs e)
{
textBox1.Text += 2;
} private void button3_Click(object sender, EventArgs e)
{
textBox1.Text += 3;
} private void button4_Click(object sender, EventArgs e)
{
textBox1.Text += 4;
} private void button5_Click(object sender, EventArgs e)
{
textBox1.Text += 5;
} private void button6_Click(object sender, EventArgs e)
{
textBox1.Text += 6;
} private void button7_Click(object sender, EventArgs e)
{
textBox1.Text += 7;
} private void button8_Click(object sender, EventArgs e)
{
textBox1.Text += 8;
} private void button9_Click(object sender, EventArgs e)
{
textBox1.Text += 9;
} private void button13_Click(object sender, EventArgs e)
{
textBox1.Text += 0;
}
public double fuhao;
private void jia_Click(object sender, EventArgs e)
{
fuhao = 1;
textBox1.Text += '+';
}
private void button11_Click(object sender, EventArgs e)
{
fuhao = 2;
textBox1.Text += '-';
} private void button12_Click(object sender, EventArgs e)
{
fuhao = 3;
textBox1.Text += '*';
} private void button15_Click(object sender, EventArgs e)
{
fuhao = 4;
textBox1.Text += '/';
} private void button14_Click(object sender, EventArgs e)
{
int sum;
char[] chr = new char[] { '+', '-', '*', '/' };
string[] no = this.textBox1.Text.Split(chr);
int a = Convert.ToInt32(no[0]);
int b = Convert.ToInt32(no[1]);
if (fuhao == 1)
{
sum = a + b;
textBox1.Text = Convert.ToString(sum);
}
else if (fuhao == 2)
{
sum = a - b;
textBox1.Text = Convert.ToString(sum);
}
else if (fuhao == 3)
{
sum = a * b;
textBox1.Text = Convert.ToString(sum);
}
else
{
sum = a / b;
textBox1.Text = Convert.ToString(sum);
}
}
参考