c#超详细计算器代码.docx

《c#超详细计算器代码.docx》由会员分享，可在线阅读，更多相关《c#超详细计算器代码.docx（10页珍藏版）》请在三一办公上搜索。

1、c#超详细计算器代码C#超详细计算器源代码 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace 计算器 public partial class Form1 : Form int flag = 0; do

2、uble num1 = 0, num2 = 0; int ysf = 0, dh = 0, yscs = 0; public Form1 InitializeComponent; private void button1_Click(object sender, EventArgs e) if (textBox1.Text = 0 | flag = 1) textBox1.Text = 1; flag = 0; else textBox1.Text = textBox1.Text + 1; private void button2_Click(object sender, EventArgs

3、e) if (textBox1.Text = 0 | flag = 1) textBox1.Text = 2; flag = 0; else textBox1.Text = textBox1.Text + 2; button16.Focus; private void button3_Click(object sender, EventArgs e) if (textBox1.Text = 0 | flag = 1) textBox1.Text = 3; flag = 0; else textBox1.Text = textBox1.Text + 3; button16.Focus; priv

4、ate void button4_Click(object sender, EventArgs e) if (textBox1.Text = 0 | flag = 1) textBox1.Text = 4; flag = 0; else textBox1.Text = textBox1.Text + 4; button16.Focus; private void button5_Click(object sender, EventArgs e) if (textBox1.Text = 0 | flag = 1) textBox1.Text = 5; flag = 0; else textBox

5、1.Text = textBox1.Text + 5; button16.Focus; private void button6_Click(object sender, EventArgs e) if (textBox1.Text = 0 | flag = 1) textBox1.Text = 6; flag = 0; else textBox1.Text = textBox1.Text + 6; button16.Focus; private void button7_Click(object sender, EventArgs e) if (textBox1.Text = 0 | fla

6、g = 1) textBox1.Text = 7; flag = 0; else textBox1.Text = textBox1.Text + 7; button16.Focus; private void button8_Click(object sender, EventArgs e) if (textBox1.Text = 0 | flag = 1) textBox1.Text = 8; flag = 0; else textBox1.Text = textBox1.Text + 8; button16.Focus; private void button9_Click(object

7、sender, EventArgs e) if (textBox1.Text = 0 | flag = 1) textBox1.Text = 9; flag = 0; else textBox1.Text = textBox1.Text + 9; button16.Focus; private void button10_Click(object sender, EventArgs e) if (textBox1.Text = 0. | flag = 1) textBox1.Text = 0; flag = 0; else textBox1.Text = textBox1.Text + 0;

8、button16.Focus; private void button12_Click(object sender, EventArgs e) flag = 1; dh = 0; yscs+; num2 = Convert.ToDouble(textBox1.Text); switch (ysf) case 1: textBox1.Text = (num1 + num2).ToString; break; case 2: textBox1.Text = (num1 - num2).ToString; break; case 3: textBox1.Text = (num1 * num2).To

9、String; break; case 4: if (num2 = 0) MessageBox.Show(分母不能为0); textBox1.Text = (num1 / num2).ToString; break; ysf = 1; num1 = Convert.ToDouble(textBox1.Text); button16.Focus; private void button13_Click(object sender, EventArgs e) flag = 1; dh = 0; yscs+; num2 = Convert.ToDouble(textBox1.Text); switc

10、h (ysf) case 1: textBox1.Text = (num1 + num2).ToString; break; case 2: textBox1.Text = (num1 - num2).ToString; break; case 3: textBox1.Text = (num1 * num2).ToString; break; case 4: if (num2 = 0) MessageBox.Show(分母不能为0); textBox1.Text = (num1 / num2).ToString; break; ysf = 2; num1 = Convert.ToDouble(

11、textBox1.Text); button16.Focus; private void button14_Click(object sender, EventArgs e) flag = 1; dh = 0; yscs+; num2 = Convert.ToDouble(textBox1.Text); switch (ysf) case 1: textBox1.Text = (num1 + num2).ToString; break; case 2: textBox1.Text = (num1 - num2).ToString; break; case 3: textBox1.Text =

12、(num1 * num2).ToString; break; case 4: if (num2 = 0) MessageBox.Show(分母不能为0); textBox1.Text = (num1 / num2).ToString; break; ysf = 3; num1 = Convert.ToDouble(textBox1.Text); button16.Focus; private void button15_Click(object sender, EventArgs e) flag = 1; dh = 0; yscs+; num2 = Convert.ToDouble(textB

13、ox1.Text); switch (ysf) case 1: textBox1.Text = (num1 + num2).ToString; break; case 2: textBox1.Text = (num1 - num2).ToString; break; case 3: textBox1.Text = (num1 * num2).ToString; break; case 4: if (num2 = 0) MessageBox.Show(分母不能为0); textBox1.Text = (num1 / num2).ToString; break; ysf = 4; num1 = C

14、onvert.ToDouble(textBox1.Text); button16.Focus; private void button16_Click(object sender, EventArgs e) flag = 1; num2 = Convert.ToDouble(textBox1.Text); switch (ysf) case 1: textBox1.Text = (num1 + num2).ToString; break; case 2: textBox1.Text = (num1 - num2).ToString; break; case 3: textBox1.Text =

15、 (num1 * num2).ToString; break; case 4: if (num2 = 0) MessageBox.Show(分母不能为0); textBox1.Text = (num1 / num2).ToString; break; ysf = 1; button14.Focus; private void button11_Click(object sender, EventArgs e) if (textBox1.Text.IndexOf(.) = -1) textBox1.Text += .; button14.Focus; private void button17_

16、Click(object sender, EventArgs e) textBox1.Text = 0; private void button18_Click(object sender, EventArgs e) textBox1.Text = textBox1.Text.Substring(0, textBox1.Text.Length - 1); if (Convert.ToDouble(textBox1.Text.Length - 1) 0) textBox1.Text = 0; button14.Focus; private void Form1_Load(object sende

17、r, EventArgs e) this.KeyPreview = true; private void Form1_KeyPress(object sender, KeyPressEventArgs e) switch (e.KeyChar.ToString) case 1: button1_Click(sender, e); break; case 2: button2_Click(sender, e); break; case 3: button3_Click(sender, e); break; case 4: button4_Click(sender, e); break; case

18、 5: button5_Click(sender, e); break; case 6: button6_Click(sender, e); break; case 7: button7_Click(sender, e); break; case 8: button8_Click(sender, e); break; case 9: button9_Click(sender, e); break; case 0: button17_Click(sender, e); break; case +: button12_Click(sender, e); break; case -: button1

19、3_Click(sender, e); break; case *: button14_Click(sender, e); break; case /: button15_Click(sender, e); break; case b: button18_Click(sender, e); break; case =: button16_Click(sender, e); break; case .: button11_Click(sender, e); break; private void textBox1_Enter(object sender, EventArgs e) label1.Focus;