简单计算器
主页面设计
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 }
设计页面二进制转换
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 }
