学生管理系统源代码

1、#include<iostream> #include<stdlib 、 h> #include<string 、h> #include<malloc 、h> #define INIT_SIZE 10 #define INCRE_SIZE 10 #define SUBJECT_ NUM 3 #define LEN 3void show_Start();void show_Table();void addRecord();void Info_delete(); void deleteRecord(); void delete_ Num (int);

2、 void delete_Name(char tarName);void Info_modify(); void modifyRecord(); void modify_ Num (int); void modify_Name(char);void Info_query(); void queryRecord(); void query_Num(int); void query_Name(char);void display();void quit();void menu_CMD();char *subjectSUBJECT_NUM = struct STUDENT int num;char

3、name20;char sex;float scoreSUBJECT_NUM;/struct STUDENT stuLEN + 1;/STUDENT *record = (STUDENT*)malloc(sizeof(STUDENT)*INIT_SIZE);int static stuNum = 0;/STUDENT *record = (STUDENT*)malloc(sizeof(STUDENT)*INIT_SIZE);int main()/record = (STUDENT*)malloc(sizeof(STUDENT)*INIT_SIZE);/STUDENT *record = (ST

4、UDENT*)malloc(sizeof(STUDENT)*INIT_SIZE);/*record1 、 num = 1001; strcpy(record1 、name,"Jason"); record1 、 sex = 'M'record1 、 score0 = 85 、0; record1 、 score1 = 90 、0; record1 、 score2 = 95 、0;record2 、 num = 1002; strcpy(record2 、name,"Jerry");record2 、 sex = 'M'r

5、ecord2 、 score0 = 85 、0; record2 、 score1 = 90 、0; record2 、 score2 = 95 、0;record3 、 num = 1003; strcpy(record3 、name,"J essie");record3 、 sex = 'F'record3 、 score0 = 85 、0;record3 、 score1 = 90 、0;record3 、 score2 = 95 、0; */ /*Info_modify();int key;cout<cin>>key;if(key

6、= 1)int targetNum;coutcin>>targetNum;modify_Num(targetNum);cout<<endl;display();if(key = 2)char targetName20; cout< cin>>targetName;modify_Name(targetName);cout<<endl;display();if(key = 3) exit(0);*/show_Start(); menu_CMD(); return 0;void show_Start()/cout<<endl;cout

7、<<"*"<<endl;cout<<""<<endl;cout<<""<<endl;cout<<""<<endl;cout<<""<<endl;cout<<"Made by Jason"<<endl;cout<<"*"<<endl;/、void show_Table()cout<<

8、;" <<"t"<<" "<<"t"<<"cout<<"t"<<subject0<<"t"<<subject1<<"t"<<subject2;cout<<endl;void menu_CMD()int key;while(1)cout<<"1 、<<endl;cout<<"

9、;2 、<<endl;cout<<"3 、<<endl;cout<<"4 、<<endlcout<<"5 、<<endl;cout<<"6 、<<endlcout<<"cin>>key;while(1)if(key < 1)|(key > 6)int key;cout<<"<<endl;cout<<(1 - 5) : "cin>>key

10、;elsebreak;switch(key)case 1: addRecord(); break;case 2: deleteRecord(); break;case 3: modifyRecord(); break;case 4: queryRecord(); break;case 5:display();break;case 6:quit();break;/ /void addRecord()if(stuNum = 0)cout<< <<endl; stuNum+;elsecout<<" <<endl; stuNum+;/ if(s

11、tuNum > INIT_SIZE)cout<< "<<endl;record = (STUDENT*)realloc(record,(INIT_SIZE + INCRE_SIZE)*sizeof(STUDENT);cout<<" !"<<endl;<<endl;(Y/N) : "cout<<"cout<<"char choi;cin>>choi;if(choi = 'Y')|(choi = 'y')c

12、out<<": "cin>>recordstuNum 、num; cout<<" : " cin>>recordstuNum 、name; cout<<"(M ,F) : "cin>>recordstuNum 、sex;int i;for(i = 0;i < SUBJECT_NUM;i+)cout<<" "<<subjecti<< cin>>recordstuNum 、 scorei;if(

13、choi = 'N')|(choi = 'n')cout<<"<<endl;cout<<endl;cout<<<<stuNum<<"cout<<endl;!"<<endl;/ / / /deleteRecordvoid Info_delete()cout<<" : "<<endl;cout<<"1 、"<<endl;cout<<"

14、2 、<<endl;"<<endl;cout<<"3 、/void deleteRecord()int key; cout<<endl; Info_delete(); cout<<" cin>>key;if(key = 1)int targetNum; cout<<" cin>>targetNum;/delete_Num(targetNum); cout<<endl;if(key = 2)char targetName20;cout<<

15、" cin>>targetName;delete_Name(targetName); cout<<endl;if(key = 3)while(1)menu_CMD();/void delete_Num(int tarNum)int i;for(i = 1;i <= stuNum;i+)if(recordi 、 num = tarNum)/1、/2、if(i = stuNum)cout<<" : "<<endl;show_Table();cout<<recordi 、num<<"

16、t"<<recordi 、name<<"t"<<recordi 、sex<<"t" <<recordi 、score0<<recordi 、score1<<"t"<<recordi 、score2;cout<<endl;cout<<endl<<" : "<<endl;show_Table();for(int i = 1;i <= stuNum - 1;i+)

17、cout<<recordi 、 num<<"t"<<recordi 、name<<"t"<<recordi 、sex; for(int j = 0;j < SUBJECT_NUM;j+)cout<<"t"<<recordi 、 scorej;cout<<endl;sex<<"t"、score2;、sex;/*stuNum-;cout<<" <<stuNum<<

18、;" cout<<endl;*/2、if(i != stuNum)cout<<" : "<<endl;show_Table();cout<<recordi 、num<<"t"<<recordi 、name<<"t"<<recordi 、 <<recordi 、score0<<"t"<<recordi 、score1<<"t"<<re

19、cordifor(int j = i+1;j <= stuNum;j+)recordj-1 = recordj;/cout<<endl;cout<<" : "<<endl;show_Table();for(int i = 1;i <= stuNum-1;i+)cout<<recordi 、 num<<"t"<<recordi 、name<<"t"<<recordi for(int j = 0;j < SUBJECT_NUM

20、;j+) cout<<"t"<<recordi 、 scorej;cout<<endl;/* stuNum-; cout<<" "<<stuNum<<"cout<<endl;*/stuNum-;cout<<" "<<stuNum<<cout<<endl;/*/void delete_Name(char tarName)int i;for(i = 1;i <= stuNum;i+)if(st

21、rcmp(recordi 、 name,tarName) = 0)/1、/2、/if(i = stuNum)cout<<" : "<<endl;show_Table();cout<<recordi 、num<<"t"<<recordi 、name<<"t"<<recordi 、sex<<"t" <<recordi 、score0<<recordi 、score1<<"t&qu

22、ot;<<recordi 、score2;cout<<endl;cout<<endl<<" : "<<endl;show_Table();for(int i = 1;i <= stuNum - 1;i+)cout<<recordi 、 num<<"t"<<recordi 、name<<"t"<<recordi 、sex;for(int j = 0;j < SUBJECT_NUM;j+) cout<&

23、lt;"t"<<recordi 、 scorej;cout<<endl;/if(i != stuNum)cout<<" : "<<endl; show_Table();cout<<recordi 、num<<"t"<<recordi 、name<<"t"<<recordi 、 <<recordi 、score0<<"t"<<recordi 、score1

24、<<"t"<<recordi/for(int j = i+1;j <= stuNum;j+)recordj-1 = recordj;cout<<endl;/cout<<" : "<<endl; show_Table();for(int i = 1;i <= stuNum-1;i+)cout<<recordi 、 num<<"t"<<recordi 、name<<"t"<<recordi

25、 for(int j = 0;j < SUBJECT_NUM;j+) cout<<"t"<<recordi 、 scorej; cout<<endl;sex<<"t"、score2;、sex;cout<<endl;void delete_Name(char tarName)int i;for(i = 1;i <= stuNum;i+)/1、/2、/ if(strcmp(recordi 、 name,tarName) = 0)if(i = stuNum)cout<<&quo

26、t;: "<<endl;show_Table();sex<<"t"、score2;、sex;cout<<recordi 、num<<"t"<<recordi 、name<<"t"<<recordi 、 <<recordi 、score0<<"t"<<recordi 、score1<<"t"<<recordicout<<endl;co

27、ut<<": "<<endl;show_Table();for(int i = 1;i <= stuNum-1;i+)cout<<recordi 、 num<<"t"<<recordi 、name<<"t"<<recordi for(int j = 0;j < SUBJECT_NUM;j+)cout<<"t"<<recordi 、 scorej;cout<<endl;/*stuNum-

28、;cout<<" "<<stuNum<<" " cout<<endl;*/ /if(i != stuNum)cout<<" "<<endl;show_Table();cout<<recordi 、num<<"t"<<recordi 、name<<"t"<<recordi 、sex<<"t"cout<<recordi 、sc

29、ore0<<"t"<<recordi 、score1<<"t"<<recordi 、 score2;cout<<endl;for(int j = i+1;j <= stuNum;j+)recordj-1 = recordj;/、 cout<<endl;cout<<" : "<<endl;show_Table();for(int i = 1;i <= stuNum-1;i+)cout<<recordi 、 num<

30、;<"t"<<recordi 、name<<"t"<<recordi 、sex; for(int j = 0;j < SUBJECT_NUM;j+)cout<<"t"<<recordi 、 scorej;cout<<endl;/*stuNum-;cout<<" "<<stuNum<<cout<<endl;*/stuNum-;cout<<" <<stuN

31、um<< " cout<<endl;/* void Info_modify()cout<<" : "<<endl; cout<<"1 、"<<endl;cout<<"2 、"<<endl;cout<<"3 、"<<endl;void modifyRecord()int key;cout<<endl;Info_modify();cout<<" : &quo

32、t; cin>>key;/if(key = 1)int targetNum;cout<< : "cin>>targetNum;modify_Num(targetNum);cout<<endl;/display();/if(key = 2)char targetName20; cout<< : " cin>>targetName;modify_Name(targetName); cout<<endl;/display();if(key = 3)while(1)menu_CMD();/void

33、modify_Num(int tarNum)int i;for(i = 1;i <= stuNum;i+)if(recordi 、 num = tarNum) cout<<endl<<" "<<endl; cout<<" : " cin>>recordi 、 num; cout<<": "cin>>recordi 、 name;cout<<"cin>>recordi 、 sex;cout<<"

34、; "<<subject0<<" "cin>>recordi 、 score0; cout<<" "<<subject1<<" : "cin>>recordi 、 score1;cout<<" "<<subject2<< "cin>>recordi 、 score2;void modify_Name(char tarName)int i;for(i = 1;i &l

35、t;= stuNum;i+)if(strcmp(recordi 、 name,tarName) = 0) cout<<endl<<": "<<endl;cout<<""Jcin>>recordi 、num;cout<<""Jcin>>recordi 、name;cout<<""Jcin>>recordi 、sex;cout<<" "<<subject0<<

36、;" : "cin>>recordi 、score0;cout<<""<<subject1<<cin>>recordi 、score1;cout<<""<<subject2<<"cin>>recordi 、score2;void Info_query()cout<<" cout<<"1 、 cout<<"2 、 cout<<"3 、

37、: "<<endl;"<<endl; "<<endl; "<<endl;/queryRecord void queryRecord() int key; cout<<endl; Info_query(); cout<<" " cin>>key;if(key = 1)int targetNum; cout<<" : " cin>>targetNum;query_Num(targetNum); cout<&

38、lt;endl;if(key = 2)char targetName20; cout<<" : " cin>>targetName;query_Name(targetName);cout<<endl;/ 、if(key = 3)while(1)menu_CMD();void query_Num(int tarNum)int i;for(i = 1;i <= stuNum;i+)if(recordi 、 num = tarNum)/ cout<<" : "<<endl;/show_Table();/cout<<r