简单计算器

  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Windows.Forms;
  9 
 10 namespace jisuanqi
 11 {
 12     public partial class Form1 : Form
 13     {
 14         public Form1()
 15         {
 16             InitializeComponent();
 17         }
 18 
 19 
 20         double num1 = 0;//第一个输入数
 21         double num2 = 0;//第二个输入数
 22         double num3 = 0;//运算结果
 23         double num4 = 0;//上次运算结果
 24         double num5 = 0;//用于复制粘贴
 25         string yunsuanfu;//运算符
 26         bool p1=true;//判断是否为第一次输入
 27         bool p2 = true;//判断是否为第一次输入
 28         Button but;
 29 
 30 
 31 
 32         private void button15_Click(object sender, EventArgs e)// 清除
 33         {
 34             textBox1.Text = "";
 35             num1 = 0;
 36             num2 = 0;
 37             num3 = 0;
 38             num4 = 0;
 39             label1.Text = "";
 40             label2.Text = "";
 41             label3.Text = "";
 42         }
 43         private void button1_Click(object sender, EventArgs e)//输入1
 44         {
 45             if (p1 == true)
 46             {
 47                 but = (Button)sender;
 48                 textBox1.Text += but.Text;
 49                 num1 = double.Parse(textBox1.Text);
 50                 label1.Text = num1.ToString();
 51             }
 52             else
 53             {
 54                 but = (Button)sender;
 55                 textBox1.Text += but.Text;
 56                 num2 = double.Parse(textBox1.Text);
 57                 label3.Text = num2.ToString();
 58             }
 59         }
 60 
 61         private void button2_Click(object sender, EventArgs e)//输入2
 62         {
 63             if (p1 == true)
 64             {
 65                 but = (Button)sender;
 66                 textBox1.Text += but.Text;
 67                 num1 = double.Parse(textBox1.Text);
 68                 label1.Text = num1.ToString();
 69             }
 70             else
 71             {
 72                 but = (Button)sender;
 73                 textBox1.Text += but.Text;
 74                 num2 = double.Parse(textBox1.Text);
 75                 label3.Text = num2.ToString();
 76             }
 77         }
 78 
 79         private void button3_Click(object sender, EventArgs e)//输入3
 80         {
 81             if (p1 == true)
 82             {
 83                 but = (Button)sender;
 84                 textBox1.Text += but.Text;
 85                 num1 = double.Parse(textBox1.Text);
 86                 label1.Text = num1.ToString();
 87             }
 88             else
 89             {
 90                 but = (Button)sender;
 91                 textBox1.Text += but.Text;
 92                 num2 = double.Parse(textBox1.Text);
 93                 label3.Text = num2.ToString();
 94             }
 95         }
 96 
 97         private void button4_Click(object sender, EventArgs e)//输入4
 98         {
 99             if (p1 == true)
100             {
101                 but = (Button)sender;
102                 textBox1.Text += but.Text;
103                 num1 = double.Parse(textBox1.Text);
104                 label1.Text = num1.ToString();
105             }
106             else
107             {
108                 but = (Button)sender;
109                 textBox1.Text += but.Text;
110                 num2 = double.Parse(textBox1.Text);
111                 label3.Text = num2.ToString();
112             }
113         }
114 
115         private void button5_Click(object sender, EventArgs e)//输入5
116         {
117             if (p1 == true)
118             {
119                 but = (Button)sender;
120                 textBox1.Text += but.Text;
121                 num1 = double.Parse(textBox1.Text);
122                 label1.Text = num1.ToString();
123             }
124             else
125             {
126                 but = (Button)sender;
127                 textBox1.Text += but.Text;
128                 num2 = double.Parse(textBox1.Text);
129                 label3.Text = num2.ToString();
130             }
131         }
132 
133         private void button6_Click(object sender, EventArgs e)//输入6
134         {
135             if (p1 == true)
136             {
137                 but = (Button)sender;
138                 textBox1.Text += but.Text;
139                 num1 = double.Parse(textBox1.Text);
140                 label1.Text = num1.ToString();
141             }
142             else
143             {
144                 but = (Button)sender;
145                 textBox1.Text += but.Text;
146                 num2 = double.Parse(textBox1.Text);
147                 label3.Text = num2.ToString();
148             }
149         }
150 
151         private void button7_Click(object sender, EventArgs e)//输入7
152         {
153             if (p1 == true)
154             {
155                 but = (Button)sender;
156                 textBox1.Text += but.Text;
157                 num1 = double.Parse(textBox1.Text);
158                 label1.Text = num1.ToString();
159             }
160             else
161             {
162                 but = (Button)sender;
163                 textBox1.Text += but.Text;
164                 num2 = double.Parse(textBox1.Text);
165                 label3.Text = num2.ToString();
166             }
167         }
168 
169         private void button8_Click(object sender, EventArgs e)//输入8
170         {
171             if (p1 == true)
172             {
173                 but = (Button)sender;
174                 textBox1.Text += but.Text;
175                 num1 = double.Parse(textBox1.Text);
176                 label1.Text = num1.ToString();
177             }
178             else
179             {
180                 but = (Button)sender;
181                 textBox1.Text += but.Text;
182                 num2 = double.Parse(textBox1.Text);
183                 label3.Text = num2.ToString();
184             }
185         }
186 
187         private void button9_Click(object sender, EventArgs e)//输入9
188         {
189             if (p1 == true)
190             {
191                 but = (Button)sender;
192                 textBox1.Text += but.Text;
193                 num1 = double.Parse(textBox1.Text);
194                 label1.Text = num1.ToString();
195             }
196             else
197             {
198                 but = (Button)sender;
199                 textBox1.Text += but.Text;
200                 num2 = double.Parse(textBox1.Text);
201                 label3.Text = num2.ToString();
202             }
203         }
204 
205         private void button16_Click(object sender, EventArgs e)//输入0
206         {
207             if (p1 == true)
208             {
209                 but = (Button)sender;
210                 textBox1.Text += but.Text;
211                 num1 = double.Parse(textBox1.Text);
212                 label1.Text = num1.ToString();
213             }
214             else
215             {
216                 but = (Button)sender;
217                 textBox1.Text += but.Text;
218                 num2 = double.Parse(textBox1.Text);
219                 label3.Text = num2.ToString();
220             }
221         }
222 
223         private void button17_Click(object sender, EventArgs e)//小数点
224         {
225             if (textBox1.Text != "")
226             {
227                 if (p1 == true)
228                 {
229                     but = (Button)sender;
230                     textBox1.Text += but.Text;
231                     num1 = double.Parse(textBox1.Text);
232                     label1.Text = num1.ToString();
233                 }
234                 else
235                 {
236                     but = (Button)sender;
237                     textBox1.Text += but.Text;
238                     num2 = double.Parse(textBox1.Text);
239                     label3.Text = num2.ToString();
240                 }
241             }
242             else
243             {
244                 textBox1.Text = "0.";
245             }
246         }
247 
248         private void button12_Click(object sender, EventArgs e)
249         {
250             yunsuanfu = "+";
251             if (p2 == false)
252             {
253                 label1.Text = num3.ToString();
254                 num3 = num1 + num2;
255             }
256             label2.Text = yunsuanfu.ToString();
257             textBox1.Text = "";
258             p1 = false;
259             p2 = false;
260         }
261 
262         private void button11_Click(object sender, EventArgs e)
263         {
264             yunsuanfu = "-";
265             if (p2 == false)
266                 label1.Text = num3.ToString();
267             label2.Text = yunsuanfu.ToString();
268             textBox1.Text = "";
269             p1 = false;
270             p2 = true;
271         }
272 
273         private void button10_Click(object sender, EventArgs e)
274         {
275             yunsuanfu = "*";
276             if (p2 == false)
277                 label1.Text = num3.ToString();
278             label2.Text = yunsuanfu.ToString();
279             textBox1.Text = "";
280             p1 = false;
281             p2 = true;
282         }
283 
284         private void button13_Click(object sender, EventArgs e)
285         {
286             yunsuanfu = "/";
287             if (p2 == false)
288                 label1.Text = num3.ToString();
289             label2.Text = yunsuanfu.ToString();
290             textBox1.Text = "";
291             p1 = false;
292             p2 = true;
293         }
294 
295         private void button14_Click(object sender, EventArgs e)
296         {
297             textBox1.Text = "";
298             num1 = 0;
299             num2 = 0;
300             num3 = 0;
301             label1.Text = "";
302             label2.Text = "";
303             label3.Text = "";
304         }
305 
306         private void button18_Click(object sender, EventArgs e)
307         {
308             p1 = true;
309             p2 = false;
310             switch (yunsuanfu)
311             {
312                 case "+":
313                     num3 = num1 + num2;
314                     break;
315                 case "-":
316                     num3 = num1 - num2;
317                     break;
318                 case "*":
319                     num3 = num1 * num2;
320                     break;
321                 case "/":
322                     num3 = num1 / num2;
323                     break;
324                 default:
325                     num3 = num1;
326                     break;
327             }
328             num1 = num3;
329             num4 = num1;
330             textBox1.Text = num3.ToString();
331             
332         }
333 
334         private void Form1_Load(object sender, EventArgs e)
335         {
336 
337         }
338 
339         private void 标准型ToolStripMenuItem_Click(object sender, EventArgs e)
340         {
341             Form1 form1 = new Form1();
342             form1.ShowDialog();
343         }
344 
345         private void 进制转换ToolStripMenuItem_Click(object sender, EventArgs e)
346         {
347             Form2 form2 = new Form2();
348             form2.ShowDialog();
349         }
350 
351         private void 复制ToolStripMenuItem_Click(object sender, EventArgs e)
352         {
353             if(textBox1.Text!="")
354             {
355             num5 = double.Parse(textBox1.Text);
356             }
357         }
358 
359         private void 粘贴ToolStripMenuItem_Click(object sender, EventArgs e)
360         {
361             num3 = num5;
362             label1.Text = num5.ToString();
363             textBox1.Text = num5.ToString();
364         }
365 
366         private void 关于ToolStripMenuItem_Click(object sender, EventArgs e)
367         {
368             MessageBox.Show("姓名：相乾雄\n学号：1709312146","关于");
369         }
370 
371         private void button19_Click(object sender, EventArgs e)
372         {
373             if (textBox1.Text.Length > 1)
374             {
375                 string strTemp = textBox1.Text.Trim();
376                 textBox1.Text = strTemp.Substring(0, strTemp.Length - 1);
377                 num1 = double.Parse(textBox1.Text);
378                 label1.Text = textBox1.Text;
379             }
380             else
381             {
382                 num1 = 0; ;
383                 textBox1.Text = "";
384             }
385             label1.Text = textBox1.Text;
386         }
387     }
388 }

  1 using System;
  2 using System.Collections.Generic;
  3 using System.ComponentModel;
  4 using System.Data;
  5 using System.Drawing;
  6 using System.Linq;
  7 using System.Text;
  8 using System.Windows.Forms;
  9 
 10 namespace jisuanqi
 11 {
 12     public partial class Form2 : Form
 13     {
 14         public Form2()
 15         {
 16             InitializeComponent();
 17         }
 18 
 19         double num1 = 0;
 20         Button but;
 21 
 22         private void button1_Click(object sender, EventArgs e)
 23         {
 24             but = (Button)sender;
 25             textBox1.Text += but.Text;
 26         }
 27 
 28         private void button2_Click(object sender, EventArgs e)
 29         {
 30             but = (Button)sender;
 31             textBox1.Text += but.Text;
 32         }
 33 
 34         private void button3_Click(object sender, EventArgs e)
 35         {
 36             but = (Button)sender;
 37             textBox1.Text += but.Text;
 38         }
 39 
 40         private void button4_Click(object sender, EventArgs e)
 41         {
 42             but = (Button)sender;
 43             textBox1.Text += but.Text;
 44         }
 45 
 46         private void button5_Click(object sender, EventArgs e)
 47         {
 48             but = (Button)sender;
 49             textBox1.Text += but.Text;
 50         }
 51 
 52         private void button6_Click(object sender, EventArgs e)
 53         {
 54             but = (Button)sender;
 55             textBox1.Text += but.Text;
 56         }
 57 
 58         private void button7_Click(object sender, EventArgs e)
 59         {
 60             but = (Button)sender;
 61             textBox1.Text += but.Text;
 62         }
 63 
 64         private void button8_Click(object sender, EventArgs e)
 65         {
 66             but = (Button)sender;
 67             textBox1.Text += but.Text;
 68         }
 69 
 70         private void button9_Click(object sender, EventArgs e)
 71         {
 72             but = (Button)sender;
 73             textBox1.Text += but.Text;
 74         }
 75 
 76         private void button11_Click(object sender, EventArgs e)//清空
 77         {
 78             textBox1.Text = "";
 79             textBox2.Text = "";
 80             textBox3.Text = "";
 81         }
 82 
 83         private void button10_Click(object sender, EventArgs e)//转换
 84         {
 85             textBox2.Text = System.Convert.ToString(Convert.ToInt32(textBox1.Text),2);
 86             textBox3.Text = System.Convert.ToString(Convert.ToInt32(textBox1.Text), 16);
 87         }
 88 
 89         private void 标准型ToolStripMenuItem_Click(object sender, EventArgs e)
 90         {
 91             Form1 form1 = new Form1();
 92             form1.Show();
 93         }
 94 
 95         private void 进制转换ToolStripMenuItem_Click(object sender, EventArgs e)
 96         {
 97             Form2 form2 = new Form2();
 98             form2.Show();
 99         }
100 
101         private void 复制ToolStripMenuItem_Click(object sender, EventArgs e)
102         {
103             num1 = double.Parse(textBox1.Text);
104         }
105 
106         private void 粘贴ToolStripMenuItem_Click(object sender, EventArgs e)
107         {
108             textBox1.Text = num1.ToString();
109         }
110 
111         private void 关于ToolStripMenuItem_Click(object sender, EventArgs e)
112         {
113             MessageBox.Show("姓名：相乾雄\n学号：1709312146", "关于");
114         }
115     }
116 }