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学生成绩管理系统
1 //学生成绩管理系统 V1.0 2 //student.cpp 3 //Made By SUT_Hui 4 //2012-3-12 5 //wangchunhui@wangchunhui.cn 6 7 #include <iostream> 8 #include <fstream> 9 #include <string> 10 #include <iomanip> 11 12 //#define course_mount 5 13 14 using namespace std; 15 16 /* 17 //----------------------------------------------------------course 类 18 class course 19 { 20 private: 21 state int Course_number_count; 22 string Course_name; 23 string Course_teacher; 24 public: 25 course(); 26 void add_course(); 27 ~course(); 28 }; 29 */ 30 int n=0;//TEST = 4,Normal = 0; 31 int m=0, i=1, j=0; 32 double class_course_everage[4]={0}; 33 34 //----------------------------------------------------------student 类 35 36 class student 37 { 38 private: 39 // static int count; 40 string Student_name; 41 string Student_No; 42 char Student_sex; 43 double Student_score_everage; 44 double Maths; 45 double Chinese; 46 double English; 47 double CPP; 48 public: 49 student(); 50 void init_student(); 51 // void score_everage(); 52 void init_score(); 53 string getStudent_No(); 54 string getStudent_name(); 55 char getStudent_sex(); 56 double getscore_sum(); 57 double getStudent_score_everage(); 58 double getStudent_score_Maths(); 59 double getStudent_score_Chinese(); 60 double getStudent_score_English(); 61 double getStudent_score_CPP(); 62 ~student() 63 { 64 cout<<"Waitng..."<<endl; 65 } 66 }students[40]; 67 68 //-----------------------------------------------------------函数声明 69 70 void welcome(); 71 int Main_student(); 72 int Main_student_input_1(); 73 int Main_student_input_1(); 74 int Main_student_list_2(); 75 int Main_student_correct_3(); 76 int Main_student_coursename_4(); 77 int Main_student_scoreinput_5(); 78 int Main_student_courseeverage_6(); 79 int Main_student_class_courseeverage_7(); 80 int Main_student_ALL_8(); 81 int Main_copyright_9(); 82 83 //-----------------------------------------------------------main 函数 84 85 int main() 86 { 87 welcome(); 88 return Main_student(); 89 } 90 91 //-----------------------------------------------------------class student 类函数定义 92 93 student::student() 94 { 95 Student_name = " "; 96 Student_No = " "; 97 Student_sex = ‘M‘; 98 Maths = 0.0; 99 Chinese = 0.0; 100 English = 0.0; 101 CPP = 0.0; 102 } 103 104 //__________________________TEST 105 /* 106 student::student() 107 { 108 Student_name = "未命名"; 109 Student_No = "#########"; 110 Student_sex = ‘M‘; 111 Maths = 50.50; 112 Chinese = 50.50; 113 English = 50.50; 114 CPP = 50.50; 115 } 116 //___________________________TEXT 117 */ 118 119 void student::init_student() 120 { 121 int len_name, len_No; 122 cout<<"\n 请输入第"<<i+1<<"个学生基本信息"<<endl; 123 cout<<" 姓名：";cin>>Student_name;getchar(); 124 cout<<" 学号：";cin>>Student_No;getchar(); 125 cout<<" 性别：(F/M)";cin>>Student_sex;getchar(); 126 len_name = Student_name.length(); 127 len_No = Student_No.length(); 128 if(len_name < 6) 129 { 130 for(;len_name<6;len_name++) 131 { 132 Student_name += " "; 133 } 134 } 135 if(len_No < 9) 136 { 137 for(; len_No < 9; len_No++) 138 { 139 Student_No+=" "; 140 } 141 } 142 } 143 144 void student::init_score() 145 { 146 cout<<" "<<"学生-"<<students[i].getStudent_name()<<"成绩录入："<<endl; 147 cout<<" "<<"数学："; cin>>Maths;getchar(); 148 cout<<" "<<"语文："; cin>>Chinese;getchar(); 149 cout<<" "<<"英语："; cin>>English;getchar(); 150 cout<<" "<<"C++ ："; cin>>CPP;getchar(); 151 } 152 /* 153 void student::score_everage() 154 { 155 Student_score_everage=(Maths+Chinese+English+CPP)/4; 156 } 157 */ 158 string student::getStudent_No() 159 { 160 return Student_No; 161 } 162 163 string student::getStudent_name() 164 { 165 return Student_name; 166 } 167 168 char student::getStudent_sex() 169 { 170 return Student_sex; 171 } 172 173 double student::getscore_sum() 174 { 175 return (Maths+Chinese+English+CPP); 176 } 177 178 double student::getStudent_score_everage() 179 { 180 Student_score_everage=(Maths+Chinese+English+CPP)/4; 181 return Student_score_everage; 182 } 183 184 double student::getStudent_score_Maths() 185 { 186 return Maths; 187 } 188 189 double student::getStudent_score_Chinese() 190 { 191 return Chinese; 192 } 193 194 double student::getStudent_score_English() 195 { 196 return English; 197 } 198 199 double student::getStudent_score_CPP() 200 { 201 return CPP; 202 } 203 204 //-----------------------------------------------------------函数定义 205 206 void welcome() 207 { 208 cout<<"\n\n\n\n\n\n"; 209 cout<<" ========================================"<<endl; 210 cout<<" = ="<<endl; 211 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 212 cout<<" = ="<<endl; 213 cout<<" ========================================"<<endl; 214 cout<<" = MADE BY SUT_HUi ="<<endl; 215 cout<<" = START AT 2012/3/12 ="<<endl; 216 cout<<" ========================================"<<endl; 217 cout<<"\n\n 按回车进入．．．"; 218 getchar(); 219 system("cls"); 220 } 221 222 int Main_student() 223 { 224 int flag = 0; 225 while(!flag) 226 { 227 char choose; 228 cout<<"\n\n\n\n"; 229 cout<<" ========================================"<<endl; 230 cout<<" = ="<<endl; 231 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 232 cout<<" = 管理界面 ="<<endl; 233 cout<<" ========================================"<<endl; 234 cout<<" = 1.学生基本信息录入 ="<<endl; 235 cout<<" = 2.学生基本信息列表 ="<<endl; 236 cout<<" = 3.学生基本信息修改 ="<<endl; 237 cout<<" = 4.科目名称修改 ="<<endl; 238 cout<<" = 5.分数录入 ="<<endl; 239 cout<<" = 6.个人成绩状况 ="<<endl; 240 cout<<" = 7.班级成绩状况 ="<<endl; 241 cout<<" = 8.总表 ="<<endl; 242 cout<<" = 9.版权信息 ="<<endl; 243 cout<<" = 0.退出 ="<<endl; 244 cout<<" ========================================"<<endl; 245 cout<<" 请选择："; 246 do{ 247 cin>>choose;getchar(); 248 switch(choose) 249 { 250 case ‘1‘:system("cls"); flag = Main_student_input_1();system("cls"); break; 251 case ‘2‘:system("cls"); flag = Main_student_list_2(); break; 252 case ‘3‘:system("cls"); flag = Main_student_correct_3(); break; 253 case ‘4‘:system("cls"); flag = Main_student_coursename_4(); break; 254 case ‘5‘:system("cls"); flag = Main_student_scoreinput_5(); break; 255 case ‘6‘:system("cls"); flag = Main_student_courseeverage_6(); break; 256 case ‘7‘:system("cls"); flag = Main_student_class_courseeverage_7(); break; 257 case ‘8‘:system("cls"); flag = Main_student_ALL_8(); break; 258 case ‘9‘:system("cls"); flag = Main_copyright_9(); break; 259 case ‘0‘:return (0); 260 default:flag++;cout<<" 输入有误请重新输入:"; 261 if(flag == 10) {cout<<"ERROR!"<<endl<<"正在退出"<<endl;return (1);} 262 } 263 }while(flag); 264 system("cls"); 265 } 266 } 267 268 int Main_student_input_1() 269 { 270 cout<<"\n\n\n\n"; 271 cout<<" ========================================"<<endl; 272 cout<<" = ="<<endl; 273 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 274 cout<<" = 学生基本信息录入 ="<<endl; 275 cout<<" ========================================"<<endl; 276 cout<<" 请输入学生人数(MAX=40)："; 277 cin>>n; 278 for(i=0;i<n;i++) 279 { 280 students[i].init_student(); 281 } 282 cout<<"\n ========================================"<<endl; 283 cout<<" 录入完毕，按回车返回主菜单．．．";getchar(); 284 return 0; 285 } 286 287 int Main_student_list_2() 288 { 289 cout<<"\n\n\n\n"; 290 cout<<" ========================================"<<endl; 291 cout<<" = ="<<endl; 292 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 293 cout<<" = 学生基本信息列表 ="<<endl; 294 cout<<" ========================================"<<endl; 295 cout<<" 序号 学号 姓名 性别 "<<endl; 296 for(i=0;i<n;i++) 297 { 298 cout<<" "<<setw(2)<<i+1<<" "<<students[i].getStudent_No()<<" "<<students[i].getStudent_name()<<" "<<students[i].getStudent_sex()<<endl; 299 } 300 cout<<"\n ========================================"<<endl; 301 cout<<" 按回车返回主菜单．．．";getchar(); 302 return 0; 303 } 304 305 int Main_student_correct_3() 306 { 307 cout<<"\n\n\n\n"; 308 cout<<" ========================================"<<endl; 309 cout<<" = ="<<endl; 310 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 311 cout<<" = 学生基本信息修改 ="<<endl; 312 cout<<" ========================================"<<endl; 313 cout<<" "<<endl; 314 cout<<" "<<endl; 315 cout<<" 未注册组件 "<<endl; 316 cout<<" "<<endl; 317 cout<<" "<<endl; 318 cout<<" ========================================"<<endl; 319 cout<<" 按回车返回主菜单．．．";getchar(); 320 return 0; 321 } 322 323 int Main_student_coursename_4() 324 { 325 cout<<"\n\n\n\n"; 326 cout<<" ========================================"<<endl; 327 cout<<" = ="<<endl; 328 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 329 cout<<" = 科目名称修改 ="<<endl; 330 cout<<" ========================================"<<endl; 331 cout<<" "<<endl; 332 cout<<" "<<endl; 333 cout<<" 未注册组件 "<<endl; 334 cout<<" "<<endl; 335 cout<<" "<<endl; 336 cout<<" ========================================"<<endl; 337 cout<<" 按回车返回主菜单．．．";getchar(); 338 return 0; 339 } 340 341 int Main_student_scoreinput_5() 342 { 343 cout<<"\n\n\n\n"; 344 cout<<" ========================================"<<endl; 345 cout<<" = ="<<endl; 346 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 347 cout<<" = 学生分数录入 ="<<endl; 348 cout<<" ========================================"<<endl; 349 for(i=0;i<n;i++) 350 { 351 students[i].init_score(); 352 } 353 cout<<"\n ========================================"<<endl; 354 cout<<" 按回车返回主菜单．．．";getchar(); 355 return 0; 356 } 357 358 int Main_student_courseeverage_6() 359 { 360 cout<<"\n\n\n\n"; 361 cout<<" ========================================"<<endl; 362 cout<<" = ="<<endl; 363 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 364 cout<<" = 个人成绩状况 ="<<endl; 365 cout<<" ========================================"<<endl; 366 cout<<" 序号 学号 姓名 平均分 "<<endl; 367 for(i=0;i<n;i++) 368 { 369 //students[i].score_everage(); 370 cout <<setiosflags(ios::fixed); 371 cout<<" "<<setw(2)<<i+1<<" "<<students[i].getStudent_No()<<" "<<students[i].getStudent_name()<<" "<<setw(6)<<setprecision(2)<<students[i].getStudent_score_everage()<<endl; 372 } 373 cout<<"\n ========================================"<<endl; 374 cout<<" 按回车返回主菜单．．．";getchar(); 375 return 0; 376 } 377 378 int Main_student_class_courseeverage_7() 379 { 380 cout<<"\n\n\n\n"; 381 cout<<" ========================================"<<endl; 382 cout<<" = ="<<endl; 383 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 384 cout<<" = 科目平均分查询 ="<<endl; 385 cout<<" ========================================"<<endl; 386 cout<<" 科目 平均分 "<<endl; 387 for(i=0;i<n;i++) 388 { 389 class_course_everage[0]+= students[i].getStudent_score_Maths(); 390 class_course_everage[1]+= students[i].getStudent_score_Chinese(); 391 class_course_everage[2]+= students[i].getStudent_score_English(); 392 class_course_everage[3]+= students[i].getStudent_score_CPP(); 393 } 394 cout <<setiosflags(ios::fixed); 395 cout<<" 数 学："<<" "<<setw(6)<<setprecision(2)<<class_course_everage[0]/n<<endl; 396 cout<<" 语 文："<<" "<<setw(6)<<setprecision(2)<<class_course_everage[1]/n<<endl; 397 cout<<" 英 语："<<" "<<setw(6)<<setprecision(2)<<class_course_everage[2]/n<<endl; 398 cout<<" C++ ："<<" "<<setw(6)<<setprecision(2)<<class_course_everage[3]/n<<endl; 399 cout<<"\n ========================================"<<endl; 400 cout<<" 按回车返回主菜单．．．";getchar(); 401 return 0; 402 } 403 404 int Main_student_ALL_8() 405 { 406 for(i=0;i<n;i++) 407 { 408 class_course_everage[0]+= students[i].getStudent_score_Maths(); 409 class_course_everage[1]+= students[i].getStudent_score_Chinese(); 410 class_course_everage[2]+= students[i].getStudent_score_English(); 411 class_course_everage[3]+= students[i].getStudent_score_CPP(); 412 } 413 cout<<"\n\n\n\n"; 414 cout<<" =========================================================="<<endl; 415 cout<<" = ="<<endl; 416 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 417 cout<<" = 学生成绩信息总表 ="<<endl; 418 cout<<" =========================================================="<<endl; 419 cout<<" 序号 学号 姓名 数学 语文 英语 C++ 平均分"<<endl; 420 for(i=0;i<n;i++) 421 { 422 // students[i].score_everage(); 423 cout <<setiosflags(ios::fixed); 424 cout<<" "<<i+1<<" "<<students[i].getStudent_No()<<" "<<students[i].getStudent_name()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_Maths()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_Chinese()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_English()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_CPP()<<setw(7)<<setprecision(2)<<students[i].getStudent_score_everage()<<endl; 425 } 426 cout<<" "<<"==平均分== *** "<<setw(7)<<setprecision(2)<<class_course_everage[0]/4<<setw(7)<<setprecision(2)<<class_course_everage[1]/4<<setw(7)<<setprecision(2)<<class_course_everage[2]/4<<setw(7)<<setprecision(2)<<class_course_everage[3]/4<<setw(7)<<setprecision(2)<<(class_course_everage[0]+class_course_everage[1]+class_course_everage[2]+class_course_everage[3])/16; 427 cout<<"\n =========================================================="<<endl; 428 cout<<" 按回车返回主菜单．．．";getchar(); 429 return 0; 430 } 431 432 int Main_copyright_9() 433 { 434 cout<<"\n\n\n\n"; 435 cout<<" =========================================="<<endl; 436 cout<<" = ="<<endl; 437 cout<<" = 学生成绩管理系统 V1.0 ="<<endl; 438 cout<<" = ="<<endl; 439 cout<<" =========================================="<<endl; 440 cout<<" = ="<<endl; 441 cout<<" = MADE BY SUT_Hui ="<<endl; 442 cout<<" = ="<<endl; 443 cout<<" =All Copyright Reserved 2012-2012 SUT_Hui="<<endl; 444 cout<<" = GPL2.0 2011 SUT_Hui Project TEAM ="<<endl; 445 cout<<" =========================================="<<endl; 446 cout<<" 按回车返回主菜单．．．";getchar(); 447 return 0; 448 }
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