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四则运算4

设计思路：

在尝试没学好的Java Web失败后，投向了半学会的C#的怀抱，虽然说不是网页或安卓程序会扣分……管不了那么多了。

功能的话和四则运算3相同，只是加了界面。其他功能基本不需更改即满足要求，但运算过程不能相同的要求没能完成。

Form2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.Threading.Tasks;
 9 using System.Windows.Forms;
10 
11 namespace 二四_软件工程20160406
12 {
13    
14     public partial class Form2 : Form
15     { 
16         int num;
17         bool chengchu;
18         bool kuohao;
19         bool yushu;
20         int shengxian;
21         int xiaxian;
22         public Form2()
23         {
24             InitializeComponent();
25         }
26 
27         private void label5_Click(object sender, EventArgs e)
28         {
29 
30         }
31 
32         private void button1_Click(object sender, EventArgs e)
33         {
34             num= int.Parse(textBox1.Text);
35             
36             if (textBox2.Text == "Y") chengchu = true;
37             else if(textBox2.Text == "N") chengchu = false;
38             
39             if (textBox3.Text == "Y") kuohao = true;
40             else if (textBox3.Text == "N") kuohao = false;
41             
42             if (textBox4.Text == "Y") yushu = true;
43             else if (textBox4.Text == "N") yushu = false;
44             shengxian = int.Parse(textBox5.Text); ;
45             xiaxian = int.Parse(textBox6.Text);
46             
47             new Form1(num, chengchu, kuohao, yushu, shengxian, xiaxian).Show();
48             
49             //Form1 a=new Form1(num,chengchu,kuohao,yushu,shengxian,xiaxian);
50         }
51     }
52 }

View Code

Form1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.Threading.Tasks;
   9 using System.Windows.Forms;
  10 public struct equation
  11 {                //定义结构体“算式”equation
  12     public double value;               //值value，用于存算式的值
  13     public int num;                    //当前算式为num元运算
  14     public bool isFraction;            //标记是否为分数
  15     public string shape;               //形式shape，用于存算式形式
  16     public string line1t;
  17     public string line2t;
  18     public string line3t;
  19 }
  20 
  21 namespace 二四_软件工程20160406
  22 {
  23     public partial class Form1 : Form
  24     {
  25         Equation A = new Equation();
  26         int numbertest = 0;
  27         int totalR=0;
  28         public Form1(int a,bool b,bool c,bool d,int e,int f)
  29         {
  30             InitializeComponent();
  31             A.CreateEquation(a,b,c,d,e,f);
  32             A.Printshape();
  33             textBox4.Text = "1";
  34             textBox1.Text = A.array[numbertest].line1t + System.Environment.NewLine + A.array[numbertest].line2t + System.Environment.NewLine + A.array[numbertest].line3t;
  35             textBox5.Text = A.NUM_equation.ToString();
  36             
  37         }
  38         
  39         private void label1_Click(object sender, EventArgs e)
  40         {
  41 
  42         }
  43 
  44         private void textBox2_TextChanged(object sender, EventArgs e)
  45         {
  46 
  47         }
  48 
  49         private void button2_Click(object sender, EventArgs e)
  50         {
  51             string buffer=textBox2.Text;
  52             bool Result_Right = true;
  53             int NumofDiv = 0;
  54             int Numofdot = 0;
  55             int SpaceofDiv=0;
  56             if (buffer.Length!=0)
  57             {
  58                 for (int m = 0; m < buffer.Length; m++)
  59                 {
  60                     if ((buffer[m] < 48 || buffer[m] > 57) && buffer[m] != '/' && buffer[m] != '.' && buffer[m] == '-')
  61                     {
  62                         Result_Right = false;
  63                         break;
  64                     }
  65                     if (buffer[m] == '/')
  66                     {
  67                         NumofDiv += 1;
  68                         if (NumofDiv > 1)
  69                         {
  70                             Result_Right = false;
  71                             break;
  72                         }
  73                         SpaceofDiv = m;
  74                     }
  75                     if (buffer[m] == '.')
  76                     {
  77                         Numofdot += 1;
  78                         if (Numofdot > 1)
  79                         {
  80                             Result_Right = false;
  81                             break;
  82                         }
  83                     }
  84                 }
  85                 if (Result_Right)
  86                 {
  87                     double result;
  88                     if (NumofDiv == 1)
  89                     {
  90                         string strfor = buffer.Substring(0, SpaceofDiv);
  91                         string strlat = buffer.Substring(SpaceofDiv + 1, buffer.Length - SpaceofDiv - 1);
  92                         double former = Convert.ToDouble(strfor);
  93                         double latter = Convert.ToDouble(strlat);
  94                         if ((latter - 0) < 1E-7 && (latter - 0) > (-1E-7))
  95                         {
  96                             Result_Right = false;
  97                             textBox3.Text = "错误！";
  98                             return;
  99                         }
 100                         result = former / latter;
 101                     }
 102                     else
 103                     {
 104                         result = Convert.ToDouble(buffer);
 105                     }
 106                     if ((result - A.array[numbertest].value) < 1E-2 && (result - A.array[numbertest].value) > -(1E-2))
 107                     {
 108                         Result_Right = true;
 109                     }
 110                     else
 111                     {
 112                         Result_Right = false;
 113                     }
 114                 }
 115                 if (Result_Right)
 116                 {
 117                     //cout << "正确！" << endl << endl;
 118                     totalR += 1;
 119                     textBox3.Text = "正确！";
 120                     textBox6.Text = totalR.ToString();
 121                 }
 122                 else
 123                 {
 124                     //cout << "错误！" << endl << endl;
 125                     textBox3.Text = "错误！";
 126                 }
 127             }
 128             else
 129             {
 130                 //cout << "错误！" << endl << endl;
 131                 textBox3.Text = "错误！";
 132             }
 133         }
 134 
 135         private void textBox3_TextChanged(object sender, EventArgs e)
 136         {
 137 
 138         }
 139 
 140         private void button1_Click(object sender, EventArgs e)
 141         {
 142             numbertest += 1;
 143             textBox4.Text = ((numbertest + 1).ToString());
 144             textBox2.Text = "";
 145             textBox3.Text = "";
 146             textBox1.Text = A.array[numbertest].line1t + System.Environment.NewLine + A.array[numbertest].line2t + System.Environment.NewLine + A.array[numbertest].line3t;
 147         }
 148 
 149         private void textBox4_TextChanged(object sender, EventArgs e)
 150         {
 151 
 152         }
 153 
 154         private void label3_Click(object sender, EventArgs e)
 155         {
 156 
 157         }
 158 
 159         private void textBox5_TextChanged(object sender, EventArgs e)
 160         {
 161 
 162         }
 163 
 164         private void textBox6_TextChanged(object sender, EventArgs e)
 165         {
 166 
 167         }
 168     }
 169     public class absoluteValue
 170     {
 171         public void Do(int[] a)
 172         {
 173             int numfirst = a[0];
 174             int numsecond = a[1];
 175             int tonumf;          //第一个数的绝对值
 176             int tonums;
 177             int flag_1;
 178             int flag_2;
 179             int temp;
 180             if (numfirst < 0)
 181             {
 182                 tonumf = 0 - numfirst;
 183                 flag_1 = -1;
 184             }
 185             else
 186             {
 187                 tonumf = numfirst;
 188                 flag_1 = 1;
 189             }
 190             if (numsecond < 0)
 191             {
 192                 tonums = 0 - numsecond;
 193                 flag_2 = -1;
 194             }
 195             else
 196             {
 197                 tonums = numsecond;
 198                 flag_2 = 1;
 199             }
 200             if (tonums < tonumf)
 201             {
 202                 temp = tonumf;
 203                 tonumf = tonums;
 204                 tonums = temp;
 205             }
 206             int i;
 207             for (i = tonumf; i > 0; i--)
 208             {
 209                 if (tonumf % i == 0 && tonums % i == 0)
 210                 {
 211                     break;
 212                 }
 213             }
 214             if (i != 0)
 215             {
 216                 numfirst = tonumf / i;
 217                 numsecond = tonums / i;
 218             }
 219             else
 220             {
 221                 numfirst = tonumf;
 222                 numsecond = tonums;
 223             }
 224             if (flag_1 * flag_2 < 0)
 225             {
 226                 numfirst = 0 - numfirst;
 227             }
 228         }
 229     }
 230     public class Equation
 231     {
 232         Random ran = new Random();
 233         public equation[] array;
 234         public int NUM_equation = 10;
 235         public bool HasMultAndDivi = true;            //是否有乘除法
 236         public bool HasBrackets = true;               //是否有括号
 237         public bool HasNegative = false;               //加减是否有负数
 238         public bool HasRemainder = true;              //除法是否有余数
 239         public int MaxOfRange = 50;                 //数值范围上限
 240         public int MinOfRange = 0;                 //数值范围下限
 241         public Equation()
 242         {
 243             array = new equation[9999];
 244         }
 245         public void CreateEquation(int a,bool b,bool c,bool d,int e,int f)
 246         {
 247             NUM_equation = a;
 248             HasMultAndDivi = b;
 249             HasBrackets = c;
 250             HasRemainder = d;
 251             MaxOfRange = e;
 252             MinOfRange = f;
 253             //    default_random_engine generator;
 254             //    uniform_int_distribution<int> distribution(MinOfRange, MaxOfRange);
 255             for (int i = 0; i < NUM_equation; i++)
 256             {
 257                 if (ran.Next() % 2 == 0)
 258                 {
 259                     array[i].isFraction = false;
 260                 }
 261                 else
 262                 {
 263                     array[i].isFraction = true;
 264                 }
 265                 string middle = null;
 266                 char sign = '0';                                           //生成初始运算符
 267                 do
 268                 {
 269                     switch (ran.Next() % 4)
 270                     {
 271                         case 0:
 272                             sign = '+';
 273                             break;
 274                         case 1:
 275                             sign = '-';
 276                             break;
 277                         case 2:
 278                             sign = '*';
 279                             break;
 280                         case 3:
 281                             sign = '/';
 282                             break;
 283                     }
 284                 } while ((sign == '/' || sign == '*') && !HasMultAndDivi);
 285                 bool wrong = false;
 286                 double Ivalue = 0;
 287                 do
 288                 {
 289                     wrong = false;
 290                     if (!array[i].isFraction)                        //生成运算数-整数
 291                     {
 292                         int numFormer;
 293                         int numLatter;
 294                         numFormer = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange;// distribution(generator);
 295                         do
 296                         {
 297                             numLatter = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange;//distribution(generator);
 298                         } while (numLatter == 0 && sign == '/');
 299                         string strnumFormer = numFormer.ToString();
 300                         string strnumLatter = numLatter.ToString();
 301                         if (sign == '+' || sign == '-')                            //加减
 302                         {
 303                             if (HasNegative)
 304                             {
 305                                 if (sign == '+')
 306                                 {
 307                                     Ivalue = (double)numFormer + (double)numLatter;
 308                                 }
 309                                 else
 310                                 {
 311                                     Ivalue = (double)numFormer - (double)numLatter;
 312                                 }
 313                                 if (Ivalue < MinOfRange || Ivalue > MaxOfRange)
 314                                 {
 315                                     wrong = true;
 316                                 }
 317                                 else
 318                                 {
 319                                     middle = strnumFormer;
 320                                     middle = middle + sign;
 321                                     if (numLatter < 0)
 322                                     {
 323                                         middle = middle + '(' + strnumLatter + ')';
 324                                     }
 325                                     else
 326                                     {
 327                                         middle = middle + strnumLatter;
 328                                     }
 329 
 330                                     //Equation[i].shape = strnumFormer + sign;
 331                                     //Equation[i].shape = Equation[i].shape + strnumLatter;
 332                                 }
 333                             }
 334                             else
 335                             {
 336                                 if (numFormer < 0 || numLatter < 0)
 337                                 {
 338                                     wrong = true;
 339                                 }
 340                                 else
 341                                 {
 342                                     if (sign == '+')
 343                                     {
 344                                         Ivalue = (double)numFormer + (double)numLatter;
 345                                     }
 346                                     else
 347                                     {
 348                                         Ivalue = (double)numFormer - (double)numLatter;
 349                                     }
 350                                     if (Ivalue < MinOfRange || Ivalue > MaxOfRange || Ivalue < 0)
 351                                     {
 352                                         wrong = true;
 353                                     }
 354                                     else
 355                                     {
 356                                         middle = strnumFormer;
 357                                         middle = middle + sign;
 358                                         middle = middle + strnumLatter;
 359                                         //Equation[i].shape = strnumFormer + sign;
 360                                         //Equation[i].shape = Equation[i].shape + strnumLatter;
 361                                     }
 362                                 }
 363                             }
 364                         }
 365                         else if (sign == '*')                                                     //乘
 366                         {
 367                             Ivalue = (double)numFormer * (double)numLatter;
 368                             if (Ivalue < MinOfRange || Ivalue > MaxOfRange)
 369                             {
 370                                 wrong = true;
 371                             }
 372                             else
 373                             {
 374                                 middle = strnumFormer;
 375                                 middle = middle + sign;
 376                                 if (numLatter < 0)
 377                                 {
 378                                     middle = middle + '(' + strnumLatter + ')';
 379                                 }
 380                                 else
 381                                 {
 382                                     middle = middle + strnumLatter;
 383                                 }
 384                                 //Equation[i].shape = strnumFormer + sign;
 385                                 //Equation[i].shape = Equation[i].shape + strnumLatter;
 386                             }
 387                         }
 388                         else                                                                  //除
 389                         {
 390                             if (HasRemainder)
 391                             {
 392                                 Ivalue = (double)numFormer / (double)numLatter;
 393                                 if (Ivalue < MinOfRange || Ivalue > MaxOfRange)
 394                                 {
 395                                     wrong = true;
 396                                 }
 397                                 else
 398                                 {
 399                                     middle = strnumFormer;
 400                                     middle = middle + sign;
 401                                     if (numLatter < 0)
 402                                     {
 403                                         middle = middle + '(' + strnumLatter + ')';
 404                                     }
 405                                     else
 406                                     {
 407                                         middle = middle + strnumLatter;
 408                                     }
 409                                     //Equation[i].shape = strnumFormer + sign;
 410                                     //Equation[i].shape = Equation[i].shape + strnumLatter;
 411                                 }
 412                             }
 413                             else
 414                             {
 415                                 if (numFormer % numLatter != 0)
 416                                 {
 417                                     wrong = true;
 418                                 }
 419                                 else
 420                                 {
 421                                     Ivalue = (double)numFormer / (double)numLatter;
 422                                     if (Ivalue < MinOfRange || Ivalue > MaxOfRange)
 423                                     {
 424                                         wrong = true;
 425                                     }
 426                                     else
 427                                     {
 428                                         middle = strnumFormer;
 429                                         middle = middle + sign;
 430                                         if (numLatter < 0)
 431                                         {
 432                                             middle = middle + '(' + strnumLatter + ')';
 433                                         }
 434                                         else
 435                                         {
 436                                             middle = middle + strnumLatter;
 437                                         }
 438                                         //Equation[i].shape = strnumFormer + sign;
 439                                         //Equation[i].shape = Equation[i].shape + strnumLatter;
 440                                     }
 441                                 }
 442                             }
 443                         }
 444                     }
 445                     else                                               //生成运算数-分数
 446                     {
 447                         int NumeratorFormer;
 448                         int NumeratorLatter;
 449                         int DenominatorFormer;
 450                         int DenominatorLatter;
 451                         do
 452                         {
 453                             NumeratorFormer = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange;//distribution(generator);
 454                         } while (NumeratorFormer == 0);
 455                         do
 456                         {
 457                             DenominatorFormer = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange; //distribution(generator);
 458                         } while (DenominatorFormer == 0 || DenominatorFormer == NumeratorFormer);
 459                         int[] a1 = new int[] { NumeratorFormer, DenominatorFormer };
 460                         absoluteValue One = new absoluteValue();
 461                         One.Do(a1);
 462                         do
 463                         {
 464                             NumeratorLatter = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange; //distribution(generator);
 465                         } while (NumeratorLatter == 0);
 466                         do
 467                         {
 468                             DenominatorLatter = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange; //distribution(generator);
 469                         } while (DenominatorLatter == 0 || DenominatorLatter == NumeratorLatter);
 470                         int[] a2 = new int[] { NumeratorLatter, DenominatorLatter };
 471                         One.Do(a2);
 472                         string strNF = NumeratorFormer.ToString();
 473                         string strDF = DenominatorFormer.ToString();
 474                         string strNL = NumeratorLatter.ToString();
 475                         string strDL = DenominatorLatter.ToString();
 476                         if (sign == '+' || sign == '-')                                          //加减
 477                         {
 478                             if (HasNegative)
 479                             {
 480                                 if (sign == '+')
 481                                 {
 482                                     Ivalue = (double)NumeratorFormer / (double)DenominatorFormer + (double)NumeratorLatter / (double)DenominatorLatter;
 483                                 }
 484                                 else
 485                                 {
 486                                     Ivalue = (double)NumeratorFormer / (double)DenominatorFormer - (double)NumeratorLatter / (double)DenominatorLatter;
 487                                 }
 488                                 if (Ivalue < MinOfRange || Ivalue > MaxOfRange)
 489                                 {
 490                                     wrong = true;
 491                                 }
 492                                 else
 493                                 {
 494                                     middle = strNF;
 495                                     middle = middle + 'd';
 496                                     middle = middle + strDF;
 497                                     middle = middle + sign;
 498                                     middle = middle + strNL;
 499                                     middle = middle + 'd';
 500                                     middle = middle + strDL;
 501                                     //Equation[i].shape = strNF + 'd';
 502                                     //Equation[i].shape = Equation[i].shape + strDF + sign + strNL + 'd' + strDL;
 503                                 }
 504                             }
 505                             else
 506                             {
 507                                 if (NumeratorFormer < 0 || NumeratorLatter < 0)
 508                                 {
 509                                     wrong = true;
 510                                 }
 511                                 else
 512                                 {
 513                                     if (sign == '+')
 514                                     {
 515                                         Ivalue = (double)NumeratorFormer / (double)DenominatorFormer + (double)NumeratorLatter / (double)DenominatorLatter;
 516                                     }
 517                                     else
 518                                     {
 519                                         Ivalue = (double)NumeratorFormer / (double)DenominatorFormer - (double)NumeratorLatter / (double)DenominatorLatter;
 520                                     }
 521                                     if (Ivalue < MinOfRange || Ivalue > MaxOfRange || Ivalue < 0)
 522                                     {
 523                                         wrong = true;
 524                                     }
 525                                     else
 526                                     {
 527                                         middle = strNF;
 528                                         middle = middle + 'd';
 529                                         middle = middle + strDF;
 530                                         middle = middle + sign;
 531                                         middle = middle + strNL;
 532                                         middle = middle + 'd';
 533                                         middle = middle + strDL;
 534                                         //Equation[i].shape = strNF + 'd';
 535                                         //Equation[i].shape = Equation[i].shape + strDF + sign + strNL + 'd' + strDL;
 536                                     }
 537                                 }
 538                             }
 539                         }
 540                         else                                                         //乘除
 541                         {
 542                             if (sign == '*')
 543                             {
 544                                 Ivalue = ((double)NumeratorFormer / (double)DenominatorFormer) * ((double)NumeratorLatter / (double)DenominatorLatter);
 545                             }
 546                             else
 547                             {
 548                                 Ivalue = ((double)NumeratorFormer / (double)DenominatorFormer) / ((double)NumeratorLatter / (double)DenominatorLatter);
 549                             }
 550                             if (Ivalue < MinOfRange || Ivalue > MaxOfRange)
 551                             {
 552                                 wrong = true;
 553                             }
 554                             else
 555                             {
 556                                 middle = strNF;
 557                                 middle = middle + 'd';
 558                                 middle = middle + strDF;
 559                                 middle = middle + sign;
 560                                 middle = middle + strNL;
 561                                 middle = middle + 'd';
 562                                 middle = middle + strDL;
 563                                 //Equation[i].shape = strNF + 'd';
 564                                 //Equation[i].shape = Equation[i].shape + strDF + sign + strNL + 'd' + strDL;
 565                             }
 566                         }
 567                     }
 568                 } while (wrong);
 569                 array[i].shape = middle;
 570                 array[i].value = Ivalue;
 571                 array[i].num = 2;
 572                 if (HasBrackets)
 573                 {
 574                     if (ran.Next() % 5 != 0)
 575                     {
 576                         array[i].shape = '(' + array[i].shape + ')';
 577                         MakeBrackets TheM = new MakeBrackets();
 578                         equation[] TheE = new equation[] { array[i] };
 579                         array[i] = TheM.Add(TheE, MaxOfRange, MinOfRange, HasNegative, HasMultAndDivi, HasRemainder);
 580                     }
 581                 }
 582                 for (int v = 0; v < i; v++)
 583                 {
 584                     if (array[i].shape == array[v].shape)
 585                     {
 586                         array[i].shape = "";
 587                         array[i].value = 0;
 588                         array[i].num = 0;
 589                         i = i - 1;
 590                         break;
 591                     }
 592 
 593                 }
 594                 //cout << Equation[i].shape << endl;///////////////////////////////////////////////////////
 595             }
 596         }
 597 
 598         public void Printshape()
 599         {
 600             for (int i = 0; i < NUM_equation; i++)
 601             {
 602                 if (array[i].isFraction)
 603                 {
 604                     string line1 = "";
 605                     string line2 = "";
 606                     string line3 = "";
 607                     bool Fin_Negative = false;
 608                     bool Fin_Numerator = false;
 609                     bool Fin_Denominator = false;
 610                     int NumNumerator = 0;
 611                     int NumDenominator = 0;
 612                     for (int j = 0; j < array[i].shape.Length; j++)
 613                     {
 614                         if ((array[i].shape[j] < 48 || array[i].shape[j] > 57) && array[i].shape[j] != 'd' && array[i].shape[j] != '-')
 615                         {
 616                             Fin_Denominator = true;
 617                             Fin_Numerator = false;
 618                             line1 = line1 + "   ";
 619                             line2 = line2 + ' ' + array[i].shape[j] + ' ';
 620                             line3 = line3 + "   ";
 621                         }
 622                         else if (array[i].shape[j] == '-')
 623                         {
 624                             if (j != 0 && (array[i].shape[j - 1] == '-' || array[i].shape[j - 1] == '+' || array[i].shape[j - 1] == '*' || array[i].shape[j - 1] == '/'))
 625                             {
 626                                 line1 = line1 + '-';
 627                                 line2 = line2 + '-';
 628                                 line3 = line3 + ' ';
 629                             }
 630                             else
 631                             {
 632 
 633                                 Fin_Denominator = true;
 634                                 Fin_Numerator = false;
 635 
 636                                 line1 = line1 + "   ";
 637                                 line2 = line2 + " - ";
 638                                 line3 = line3 + "   ";
 639                             }
 640                         }
 641                         else if (array[i].shape[j] == 'd')
 642                         {
 643                             Fin_Numerator = true;
 644                             Fin_Denominator = false;
 645                             for (int k = 1; ; k++)
 646                             {
 647                                 //if ((array[i].shape[j + k]==NULL)||(array[i].shape[j + k] < 48 || array[i].shape[j + k] > 57))
 648                                 if ((j + k) >= array[i].shape.Length || (array[i].shape[j + k] < 48 || array[i].shape[j + k] > 57))
 649                                 {
 650                                     NumDenominator = k - 1;
 651                                     break;
 652                                 }
 653                             }
 654                             for (int h = 1; ; h++)
 655                             {
 656                                 if ((j - h < 0) || (array[i].shape[j - h] < 48 || array[i].shape[j - h] > 57))
 657                                 {
 658                                     NumNumerator = h - 1;
 659                                     break;
 660                                 }
 661                             }
 662                             if (NumNumerator > NumDenominator)
 663                             {
 664                                 for (int n = 0; n < NumNumerator - NumDenominator; n++)
 665                                 {
 666                                     line3 = line3 + ' ';
 667                                 }
 668                                 for (int n = 0; n < NumNumerator; n++)
 669                                 {
 670                                     line2 = line2 + '-';
 671                                 }
 672                             }
 673                             if (NumDenominator > NumNumerator)
 674                             {
 675                                 for (int n = 0; n < NumDenominator - NumNumerator; n++)
 676                                 {
 677                                     line1 = line1 + ' ';
 678                                 }
 679                                 for (int n = 0; n < NumDenominator; n++)
 680                                 {
 681                                     line2 = line2 + '-';
 682                                 }
 683                             }
 684                             else
 685                             {
 686                                 for (int n = 0; n < NumDenominator; n++)
 687                                 {
 688                                     line2 = line2 + '-';
 689                                 }
 690                             }
 691                         }
 692                         else
 693                         {
 694                             if (!Fin_Numerator)
 695                             {
 696                                 line1 = line1 + array[i].shape[j];
 697                             }
 698                             else if (!Fin_Denominator)
 699                             {
 700                                 line3 = line3 + array[i].shape[j];
 701                             }
 702                         }
 703                     }
 704                     /*if (PrintToFile)
 705                     {
 706                         ofile << line1 << endl << line2 << endl << line3 << endl << endl;
 707                     }*/
 708                     //else
 709                     //{
 710                     //cout << line1 << endl << line2 << endl << line3 << endl << endl;
 711                     array[i].line1t = line1;
 712                     array[i].line2t = line2;
 713                     array[i].line3t = line3;
 714                     //}
 715 
 716                 }
 717                 else
 718                 {
 719                     //if (PrintToFile)
 720                     //{
 721                     //    ofile << array[i].shape << endl << endl;
 722                     //}
 723                     //else
 724                     //{
 725                     //cout << array[i].shape << endl << endl;
 726                     //}
 727                     array[i].line1t = "";
 728                     array[i].line2t = array[i].shape;
 729                     array[i].line3t = "";
 730                 }
 731             }
 732         }
 733         public class MakeBrackets
 734         {
 735             public equation Add(equation[] thisEquation, int MaxOfRange, int MinOfRange, bool HasNegative, bool HasMultAndDivi, bool HasRemainder)
 736             {
 737                 Random ran = new Random();
 738                 bool wrong = false;
 739                 double value = 0;
 740                 string interForShape = "";
 741                 do
 742                 {
 743                     interForShape = (thisEquation[0]).shape;
 744                     wrong = false;
 745                     if ((thisEquation[0]).isFraction)                          //若为分数运算
 746                     {
 747                         int numerator;
 748                         int denominator;
 749                         do
 750                         {
 751                             numerator = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange; //distribution(generator);
 752                         } while (numerator == 0);
 753                         do
 754                         {
 755                             denominator = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange; //distribution(generator);
 756 
 757                         } while (denominator == 0 || denominator == numerator);
 758                         int[] a3 = new int[] { numerator, denominator };
 759                         absoluteValue Two = new absoluteValue();
 760                         Two.Do(a3);
 761                         /*if (numerator > denominator)
 762                         {
 763                         int tem;
 764                         tem = numerator;
 765                         numerator = denominator;
 766                         denominator = tem;
 767                         }*/
 768                         string strNumerator = numerator.ToString();
 769                         string strDenominator = denominator.ToString();
 770                         switch (ran.Next() % 8)
 771                         {
 772                             case 0:
 773                                 if (HasNegative)
 774                                 {
 775                                     value = (thisEquation[0]).value + (double)numerator / (double)denominator;
 776                                     if (value > MaxOfRange || value < MinOfRange)
 777                                     {
 778                                         wrong = true;
 779                                         break;
 780                                     }
 781                                     interForShape = '+' + interForShape;
 782                                     interForShape = strDenominator + interForShape;
 783                                     interForShape = 'd' + interForShape;
 784                                     interForShape = strNumerator + interForShape;
 785                                 }
 786                                 else
 787                                 {
 788                                     if (numerator > 0 && denominator > 0)
 789                                     {
 790                                         value = (thisEquation[0]).value + (double)numerator / (double)denominator;
 791                                         if (value > MaxOfRange || value < MinOfRange || value < 0)
 792                                         {
 793                                             wrong = true;
 794                                             break;
 795                                         }
 796                                         interForShape = '+' + interForShape;
 797                                         interForShape = strDenominator + interForShape;
 798                                         interForShape = 'd' + interForShape;
 799                                         interForShape = strNumerator + interForShape;
 800                                     }
 801                                     else
 802                                     {
 803                                         wrong = true;
 804                                         break;
 805                                     }
 806                                 }
 807                                 break;
 808                             case 1:
 809                                 if (HasNegative)
 810                                 {
 811                                     value = (thisEquation[0]).value + (double)numerator / (double)denominator;
 812                                     if (value > MaxOfRange || value < MinOfRange)
 813                                     {
 814                                         wrong = true;
 815                                         break;
 816                                     }
 817                                     interForShape = interForShape + '+';
 818                                     interForShape = interForShape + strNumerator;
 819                                     interForShape = interForShape + 'd';
 820                                     interForShape = interForShape + strDenominator;
 821                                 }
 822                                 else
 823                                 {
 824                                     if (numerator > 0 && denominator > 0)
 825                                     {
 826                                         value = (thisEquation[0]).value + (double)numerator / (double)denominator;
 827                                         if (value > MaxOfRange || value < MinOfRange || value < 0)
 828                                         {
 829                                             wrong = true;
 830                                             break;
 831                                         }
 832                                         interForShape = interForShape + '+';
 833                                         interForShape = interForShape + strNumerator;
 834                                         interForShape = interForShape + 'd';
 835                                         interForShape = interForShape + strDenominator;
 836                                     }
 837                                     else
 838                                     {
 839                                         wrong = true;
 840                                         break;
 841                                     }
 842                                 }
 843                                 break;
 844                             case 2:
 845                                 if (HasNegative)
 846                                 {
 847                                     value = (double)numerator / (double)denominator - (thisEquation[0]).value;
 848                                     if (value > MaxOfRange || value < MinOfRange)
 849                                     {
 850                                         wrong = true;
 851                                         break;
 852                                     }
 853                                     interForShape = '-' + interForShape;
 854                                     interForShape = strDenominator + interForShape;
 855                                     interForShape = 'd' + interForShape;
 856                                     interForShape = strNumerator + interForShape;
 857                                 }
 858                                 else
 859                                 {
 860                                     if (numerator > 0 && denominator > 0)
 861                                     {
 862                                         value = (double)numerator / (double)denominator - (thisEquation[0]).value;
 863                                         if (value > MaxOfRange || value < MinOfRange || value < 0)
 864                                         {
 865                                             wrong = true;
 866                                             break;
 867                                         }
 868                                         interForShape = '-' + interForShape;
 869                                         interForShape = strDenominator + interForShape;
 870                                         interForShape = 'd' + interForShape;
 871                                         interForShape = strNumerator + interForShape;
 872                                     }
 873                                     else
 874                                     {
 875                                         wrong = true;
 876                                         break;
 877                                     }
 878                                 }
 879                                 break;
 880                             case 3:
 881                                 if (HasNegative)
 882                                 {
 883                                     value = (thisEquation[0]).value - (double)numerator / (double)denominator;
 884                                     if (value > MaxOfRange || value < MinOfRange)
 885                                     {
 886                                         wrong = true;
 887                                         break;
 888                                     }
 889                                     interForShape = interForShape + '-';
 890                                     interForShape = interForShape + strNumerator;
 891                                     interForShape = interForShape + 'd';
 892                                     interForShape = interForShape + strDenominator;
 893                                 }
 894                                 else
 895                                 {
 896                                     if (numerator > 0 && denominator > 0)
 897                                     {
 898                                         value = (double)numerator / (double)denominator - (thisEquation[0]).value;
 899                                         if (value > MaxOfRange || value < MinOfRange || value < 0)
 900                                         {
 901                                             wrong = true;
 902                                             break;
 903                                         }
 904                                         interForShape = interForShape + '-';
 905                                         interForShape = interForShape + strNumerator;
 906                                         interForShape = interForShape + 'd';
 907                                         interForShape = interForShape + strDenominator;
 908                                     }
 909                                     else
 910                                     {
 911                                         wrong = true;
 912                                         break;
 913                                     }
 914                                 }
 915                                 break;
 916                             case 4:
 917                                 if (HasMultAndDivi)
 918                                 {
 919                                     value = (double)numerator / (double)denominator * (thisEquation[0]).value;
 920                                     if (value > MaxOfRange || value < MinOfRange)
 921                                     {
 922                                         wrong = true;
 923                                         break;
 924                                     }
 925                                     interForShape = '*' + interForShape;
 926                                     interForShape = strDenominator + interForShape;
 927                                     interForShape = 'd' + interForShape;
 928                                     interForShape = strNumerator + interForShape;
 929                                 }
 930                                 else
 931                                 {
 932                                     wrong = true;
 933                                 }
 934                                 break;
 935                             case 5:
 936                                 if (HasMultAndDivi)
 937                                 {
 938                                     value = (thisEquation[0]).value * (double)numerator / (double)denominator;
 939                                     if (value > MaxOfRange || value < MinOfRange)
 940                                     {
 941                                         wrong = true;
 942                                         break;
 943                                     }
 944                                     interForShape = interForShape + '*';
 945                                     interForShape = interForShape + strNumerator;
 946                                     interForShape = interForShape + 'd';
 947                                     interForShape = interForShape + strDenominator;
 948                                 }
 949                                 else
 950                                 {
 951                                     wrong = true;
 952                                 }
 953                                 break;
 954                             case 6:
 955                                 if (HasMultAndDivi)
 956                                 {
 957                                     value = (double)numerator / (double)denominator / (thisEquation[0]).value;
 958                                     if (value > MaxOfRange || value < MinOfRange)
 959                                     {
 960                                         wrong = true;
 961                                         break;
 962                                     }
 963                                     interForShape = '/' + interForShape;
 964                                     interForShape = strDenominator + interForShape;
 965                                     interForShape = 'd' + interForShape;
 966                                     interForShape = strNumerator + interForShape;
 967                                 }
 968                                 else
 969                                 {
 970                                     wrong = true;
 971                                 }
 972                                 break;
 973                             case 7:
 974                                 if (HasMultAndDivi)
 975                                 {
 976                                     value = (thisEquation[0]).value / ((double)numerator / (double)denominator);
 977                                     if (value > MaxOfRange || value < MinOfRange)
 978                                     {
 979                                         wrong = true;
 980                                         break;
 981                                     }
 982                                     interForShape = interForShape + '/';
 983                                     interForShape = interForShape + strNumerator;
 984                                     interForShape = interForShape + 'd';
 985                                     interForShape = interForShape + strDenominator;
 986                                 }
 987                                 else
 988                                 {
 989                                     wrong = true;
 990                                 }
 991                                 break;
 992                         }
 993                     }
 994                     else                                                       //若为整数运算
 995                     {
 996                         int integer;
 997                         integer = (ran.Next() % (MaxOfRange - MinOfRange + 1)) + MinOfRange; //distribution(generator);
 998                         string strInteger = integer.ToString();
 999                         switch (ran.Next() % 8)
1000                         {
1001                             case 0:
1002                                 if (HasNegative)
1003                                 {
1004                                     value = (thisEquation[0]).value + (double)integer;
1005                                     if (value > MaxOfRange || value < MinOfRange)
1006                                     {
1007                                         wrong = true;
1008                                         break;
1009                                     }
1010                                     interForShape = '+' + interForShape;
1011                                     if (integer < 0)
1012                                     {
1013                                         //interForShape = '(' + strInteger + ')' + interForShape;
1014                                         interForShape = ')' + interForShape;
1015                                         interForShape = strInteger + interForShape;
1016                                         interForShape = '(' + interForShape;
1017                                     }
1018                                     else
1019                                     {
1020                                         interForShape = strInteger + interForShape;
1021                                     }
1022                                 }
1023                                 else
1024                                 {
1025                                     if (integer > 0)
1026                                     {
1027                                         value = (thisEquation[0]).value + (double)integer;
1028                                         if (value > MaxOfRange || value < MinOfRange || value < 0)
1029                                         {
1030                                             wrong = true;
1031                                             break;
1032                                         }
1033                                         interForShape = '+' + interForShape;
1034                                         interForShape = strInteger + interForShape;
1035                                     }
1036                                     else
1037                                     {
1038                                         wrong = true;
1039                                         break;
1040                                     }
1041                                 }
1042                                 break;
1043                             case 1:
1044                                 if (HasNegative)
1045                                 {
1046                                     value = (thisEquation[0]).value + (double)integer;
1047                                     if (value > MaxOfRange || value < MinOfRange)
1048                                     {
1049                                         wrong = true;
1050                                         break;
1051                                     }
1052                                     interForShape = interForShape + '+';
1053                                     if (integer < 0)
1054                                     {
1055                                         //interForShape = interForShape + '(' + strInteger + ')';
1056                                         interForShape = interForShape + '(';
1057                                         interForShape = interForShape + strInteger;
1058                                         interForShape = interForShape + ')';
1059                                     }
1060                                     else
1061                                     {
1062                                         interForShape = interForShape + strInteger;
1063                                     }
1064                                 }
1065                                 else
1066                                 {
1067                                     if (integer > 0)
1068                                     {
1069                                         value = (thisEquation[0]).value + (double)integer;
1070                                         if (value > MaxOfRange || value < MinOfRange || value < 0)
1071                                         {
1072                                             wrong = true;
1073                                             break;
1074                                         }
1075                                         interForShape = interForShape + '+';
1076                                         interForShape = interForShape + strInteger;
1077                                     }
1078                                     else
1079                                     {
1080                                         wrong = true;
1081                                         break;
1082                                     }
1083                                 }
1084                                 break;
1085                             case 2:
1086                                 if (HasNegative)
1087                                 {
1088                                     value = (double)integer - (thisEquation[0]).value;
1089                                     if (value > MaxOfRange || value < MinOfRange)
1090                                     {
1091                                         wrong = true;
1092                                         break;
1093                                     }
1094                                     interForShape = '-' + interForShape;
1095                                     if (integer < 0)
1096                                     {
1097                                         //interForShape = '(' + strInteger + ')' + interForShape;
1098                                         interForShape = ')' + interForShape;
1099                                         interForShape = strInteger + interForShape;
1100                                         interForShape = '(' + interForShape;
1101                                     }
1102                                     else
1103                                     {
1104                                         interForShape = strInteger + interForShape;
1105                                     }
1106                                 }
1107                                 else
1108                                 {
1109                                     if (integer > 0)
1110                                     {
1111                                         value = (double)integer - (thisEquation[0]).value;
1112                                         if (value > MaxOfRange || value < MinOfRange || value < 0)
1113                                         {
1114                                             wrong = true;
1115                                             break;
1116                                         }
1117                                         interForShape = '-' + interForShape;
1118                                         interForShape = strInteger + interForShape;
1119                                     }
1120                                     else
1121                                     {
1122                                         wrong = true;
1123                                         break;
1124                                     }
1125                                 }
1126                                 break;
1127                             case 3:
1128                                 if (HasNegative)
1129                                 {
1130                                     value = (thisEquation[0]).value - (double)integer;
1131                                     if (value > MaxOfRange || value < MinOfRange)
1132                                     {
1133                                         wrong = true;
1134                                         break;
1135                                     }
1136                                     interForShape = interForShape + '-';
1137                                     if (integer < 0)
1138                                     {
1139                                         //interForShape = interForShape + '(' + strInteger + ')';
1140                                         interForShape = interForShape + '(';
1141                                         interForShape = interForShape + strInteger;
1142                                         interForShape = interForShape + ')';
1143                                     }
1144                                     else
1145                                     {
1146                                         interForShape = interForShape + strInteger;
1147                                     }
1148                                 }
1149                                 else
1150                                 {
1151                                     if (integer > 0)
1152                                     {
1153                                         value = (thisEquation[0]).value - (double)integer;
1154                                         if (value > MaxOfRange || value < MinOfRange || value < 0)
1155                                         {
1156                                             wrong = true;
1157                                             break;
1158                                         }
1159                                         interForShape = interForShape + '-';
1160                                         interForShape = interForShape + strInteger;
1161                                     }
1162                                     else
1163                                     {
1164                                         wrong = true;
1165                                         break;
1166                                     }
1167                                 }
1168                                 break;
1169                             case 4:
1170                                 if (HasMultAndDivi)
1171                                 {
1172                                     value = (double)integer * (thisEquation[0]).value;
1173                                     if (value > MaxOfRange || value < MinOfRange)
1174                                     {
1175                                         wrong = true;
1176                                         break;
1177                                     }
1178                                     interForShape = '*' + interForShape;
1179                                     if (integer < 0)
1180                                     {
1181                                         //interForShape = '(' + strInteger + ')' + interForShape;
1182                                         interForShape = ')' + interForShape;
1183                                         interForShape = strInteger + interForShape;
1184                                         interForShape = '(' + interForShape;
1185                                     }
1186                                     else
1187                                     {
1188                                         interForShape = strInteger + interForShape;
1189                                     }
1190                                 }
1191                                 else
1192                                 {
1193                                     wrong = true;
1194                                 }
1195                                 break;
1196                             case 5:
1197                                 if (HasMultAndDivi)
1198                                 {
1199                                     value = (thisEquation[0]).value * (double)integer;
1200                                     if (value > MaxOfRange || value < MinOfRange)
1201                                     {
1202                                         wrong = true;
1203                                         break;
1204                                     }
1205                                     interForShape = interForShape + '*';
1206                                     if (integer < 0)
1207                                     {
1208                                         //interForShape = interForShape + '(' + strInteger + ')';
1209                                         interForShape = interForShape + '(';
1210                                         interForShape = interForShape + strInteger;
1211                                         interForShape = interForShape + ')';
1212                                     }
1213                                     else
1214                                     {
1215                                         interForShape = interForShape + strInteger;
1216                                     }
1217                                 }
1218                                 else
1219                                 {
1220                                     wrong = true;
1221                                 }
1222                                 break;
1223                             case 6:
1224                                 if (HasMultAndDivi)
1225                                 {
1226                                     if ((thisEquation[0]).value < 1E-7 && (thisEquation[0]).value > -(1E-7))          //若除数为0
1227                                     {
1228                                         wrong = true;
1229                                         break;
1230                                     }
1231                                     if (HasRemainder)
1232                                     {
1233                                         value = (double)integer / (thisEquation[0]).value;
1234                                         if (value > MaxOfRange || value < MinOfRange)
1235                                         {
1236                                             wrong = true;
1237                                             break;
1238                                         }
1239                                         interForShape = '/' + interForShape;
1240                                         if (integer < 0)
1241                                         {
1242                                             //interForShape = '(' + strInteger + ')' + interForShape;
1243                                             interForShape = ')' + interForShape;
1244                                             interForShape = strInteger + interForShape;
1245                                             interForShape = '(' + interForShape;
1246                                         }
1247                                         else
1248                                         {
1249                                             interForShape = strInteger + interForShape;
1250                                         }
1251                                     }
1252                                     else
1253                                     {
1254                                         if ((thisEquation[0]).value - Math.Round(thisEquation[0].value) > 1E-7 || (thisEquation[0]).value - Math.Round(thisEquation[0].value) < -(1E-7))
1255                                         {
1256                                             wrong = true;
1257                                             break;
1258                                         }
1259                                         if (integer % Math.Round(thisEquation[0].value) > 1E-7 || integer % Math.Round(thisEquation[0].value) < -(1E-7))
1260                                         {
1261                                             wrong = true;
1262                                             break;
1263                                         }
1264                                         else
1265                                         {////
1266                                             value = (double)integer / (thisEquation[0]).value;
1267                                             if (value > MaxOfRange || value < MinOfRange)
1268                                             {
1269                                                 wrong = true;
1270                                                 break;
1271                                             }
1272                                             interForShape = '/' + interForShape;
1273                                             if (integer < 0)
1274                                             {
1275                                                 //interForShape = '(' + strInteger + ')' + interForShape;
1276                                                 interForShape = ')' + interForShape;
1277                                                 interForShape = strInteger + interForShape;
1278                                                 interForShape = '(' + interForShape;
1279                                             }
1280                                             else
1281                                             {
1282                                                 interForShape = strInteger + interForShape;
1283                                             }
1284                                         }
1285                                     }
1286                                 }
1287                                 else
1288                                 {
1289                                     wrong = true;
1290                                 }
1291                                 break;
1292                             case 7:
1293                                 if (HasMultAndDivi)
1294                                 {
1295                                     if (0 == integer)          //若除数为0
1296                                     {
1297                                         wrong = true;
1298                                         break;
1299                                     }
1300                                     if (HasRemainder)
1301                                     {
1302                                         value = (thisEquation[0]).value / (double)integer;
1303                                         if (value > MaxOfRange || value < MinOfRange)
1304                                         {
1305                                             wrong = true;
1306                                             break;
1307                                         }
1308                                         interForShape = interForShape + '/';
1309                                         if (integer < 0)
1310                                         {
1311                                             //interForShape = interForShape + '(' + strInteger + ')';
1312                                             interForShape = interForShape + '(';
1313                                             interForShape = interForShape + strInteger;
1314                                             interForShape = interForShape + ')';
1315                                         }
1316                                         else
1317                                         {
1318                                             interForShape = interForShape + strInteger;
1319                                         }
1320                                     }
1321                                     else
1322                                     {
1323                                         if ((thisEquation[0]).value - Math.Round(thisEquation[0].value) > 1E-7 || (thisEquation[0]).value - Math.Round(thisEquation[0].value) < -(1E-7))
1324                                         {
1325                                             wrong = true;
1326                                             break;
1327                                         }
1328                                         if (Math.Round(thisEquation[0].value) % integer > 1E-7 || Math.Round(thisEquation[0].value) % integer < -(1E-7))
1329                                         {
1330                                             wrong = true;
1331                                             break;
1332                                         }
1333                                         else
1334                                         {////
1335                                             value = (thisEquation[0]).value / (double)integer;
1336                                             if (value > MaxOfRange || value < MinOfRange)
1337                                             {
1338                                                 wrong = true;
1339                                                 break;
1340                                             }
1341                                             interForShape = interForShape + '/';
1342                                             if (integer < 0)
1343                                             {
1344                                                 //interForShape = interForShape + '(' + strInteger + ')';
1345                                                 interForShape = interForShape + '(';
1346                                                 interForShape = interForShape + strInteger;
1347                                                 interForShape = interForShape + ')';
1348                                             }
1349                                             else
1350                                             {
1351                                                 interForShape = interForShape + strInteger;
1352                                             }
1353 
1354                                         }
1355                                     }
1356                                 }
1357                                 else
1358                                 {
1359                                     wrong = true;
1360                                 }
1361                                 break;
1362                         }
1363                     }
1364                 } while (wrong);
1365                 (thisEquation[0]).shape = interForShape;
1366                 (thisEquation[0]).value = value;
1367                 (thisEquation[0]).num += 1;
1368                 if (ran.Next() % 3 < 0 && (thisEquation[0]).num < 5)
1369                 {
1370                     (thisEquation[0]).shape = '(' + (thisEquation[0]).shape + ')';
1371                     return Add(thisEquation, MaxOfRange, MinOfRange, HasNegative, HasMultAndDivi, HasRemainder);
1372                 }
1373                 else
1374                 {
1375                     return thisEquation[0];
1376                 }
1377             }
1378 
1379         }
1380     }
1381 }

View Code

主程序：

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Threading.Tasks;
 5 using System.Windows.Forms;
 6 
 7 namespace 二四_软件工程20160406
 8 {
 9     static class Program
10     {
11         /// <summary>
12         /// 应用程序的主入口点。
13         /// </summary>
14         [STAThread]
15         static void Main()
16         {
17             Application.EnableVisualStyles();
18             Application.SetCompatibleTextRenderingDefault(false);
19             Application.Run(new Form2());
20         }
21     }
22 }

View Code

程序截图：

点“确定”：

输入结果，点“确定”：

点“下一题”：

……

本次结对编程合作者为李娜。

http://www.cnblogs.com/linanil/p/5360682.html

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原文地址：https://www.cnblogs.com/ning-JML/p/5361395.html