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);void delete_

2、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 name20;char sex;float

3、 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 = (STUDENT*)malloc(sizeof

4、(STUDENT)*INIT_SIZE);/*record1.num = 1001;strcpy(,"Jason");record1.sex = 'M'record1.score0 = 85.0;record1.score1 = 90.0;record1.score2 = 95.0;record2.num = 1002;strcpy(,"Jerry");record2.sex = 'M'record2.score0 = 85.0;record2.score1 = 90.0;r

5、ecord2.score2 = 95.0;record3.num = 1003;strcpy(,"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 = 1)int targetNum;coutcin>>targetNum;modify_Num(targetNum);cout<

6、;<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<<"*"<<endl;cout<<""<<endl;cout&

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

8、lt;" cout<<"t"<<subject0<<"t"<<subject1<<"t"<<subject2;cout<<endl;void menu_CMD()int key;while(1).cout<<"1.<<endl;cout<<"2.<<endl;cout<<"3.<<endl;cout<<"4.<&l

9、t;endl;cout<<"5.<<endl;cout<<"6.<<endl;cout<<"cin>>key;while(1)if(key < 1)|(key > 6)int key;cout<<"<<endl;cout<<(1-5):"cin>>key;elsebreak;switch(key)case 1:addRecord();break;case 2:deleteRecord();break;case 3:

10、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(stuNum > INIT_SIZE)cout<<"<<endl;record = (STUDENT*)realloc(record,(INIT_SIZE

11、 + INCRE_SIZE)*sizeof(STUDENT);cout<<"!"<<endl;cout<<"<<endl;cout<<"(Y/N) : ".char choi;cin>>choi;if(choi = 'Y')|(choi = 'y')cout<<": "cin>>recordstuNum.num;cout<<": "cin>>records

12、tuN;cout<<"(M,F):"cin>>recordstuNum.sex;int i;for(i = 0;i < SUBJECT_NUM;i+)cout<<""<<subjecti<<: "cin>>recordstuNum.scorei;if(choi = 'N')|(choi = 'n')cout<<"<<endl;cout<<endl;cout<<<

13、;<stuNum<<"!"<<endl;cout<<endl;/ /deleteRecord void Info_delete()cout<<": "<<endl;cout<<"1."<<endl;cout<<"2.<<endl;.cout<<"3."<<endl;/void deleteRecord()int key;cout<<endl;Info_del

14、ete();cout<<": "cin>>key;if(key = 1)int targetNum;cout<<": "cin>>targetNum;/delete_Num(targetNum);cout<<endl;if(key = 2)char targetName20;cout<<": "cin>>targetName;delete_Name(targetName);cout<<endl;if(key = 3)while(1)menu

15、_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<<"t"<<<<"t"<<recordi.sex<<"t"<<r

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

17、x; for(int j = 0;j < SUBJECT_NUM;j+) cout<<"t"<<recordi.scorej;cout<<endl;./*stuNum-;cout<<"<<stuNum<<"cout<<endl;*/2.if(i != stuNum)cout<<": "<<endl;show_Table();cout<<recordi.num<<"t"<&l

18、t;<<"t"<<recordi.sex<<"t"<<recordi.score0<<"t"<<recordi.score1<<"t"<<recordi.score2;for(int j = i+1;j <= stuNum;j+)recordj-1 = recordj;/cout<<endl;cout<<": "<<endl;show_

19、Table();for(int i = 1;i <= stuNum-1;i+)cout<<recordi.num<<"t"<<<<"t"<<recordi.sex; for(int j = 0;j < SUBJECT_NUM;j+) cout<<"t"<<recordi.scorej;cout<<endl;/*stuNum-;cout<<""<<stuNum&l

20、t;<".cout<<endl;*/stuNum-;cout<<""<<stuNum<<cout<<endl;/*/void delete_Name(char tarName)int i;for(i = 1;i <= stuNum;i+)if(strcmp(,tarName) = 0)/1./2./if(i = stuNum)cout<<": "<<endl;show_Table();cout<<recordi.n

21、um<<"t"<<<<"t"<<recordi.sex<<"t"<<recordi.score0<<recordi.score1<<"t"<<recordi.score2; cout<<endl;cout<<endl<<": "<<endl;show_Table();for(int i = 1;i <= stuN

22、um - 1;i+)cout<<recordi.num<<"t"<<<<"t"<<recordi.sex;.for(int j = 0;j < SUBJECT_NUM;j+)cout<<"t"<<recordi.scorej;cout<<endl;/if(i != stuNum)cout<<" : "<<endl;show_Table();cout<<re

23、cordi.num<<"t"<<<<"t"<<recordi.sex<<"t"<<recordi.score0<<"t"<<recordi.score1<<"t"<<recordi.score2;/for(int j = i+1;j <= stuNum;j+)recordj-1 = recordj;cout<<endl;/cout<

24、;<": "<<endl;show_Table();for(int i = 1;i <= stuNum-1;i+)cout<<recordi.num<<"t"<<<<"t"<<recordi.sex; for(int j = 0;j < SUBJECT_NUM;j+) cout<<"t"<<recordi.scorej;cout<<endl;cout<<e

25、ndl;.void delete_Name(char tarName)int i;for(i = 1;i <= stuNum;i+)/1./2./ if(strcmp(,tarName) = 0)if(i = stuNum)cout<<" : "<<endl; show_Table(); cout<<recordi.num<<"t"<<<<"t"<<recordi.sex<<"

26、t"<<recordi.score0<<"t"<<recordi.score1<<"t"<<recordi.score2;cout<<endl;cout<<": "<<endl;show_Table();for(int i = 1;i <= stuNum-1;i+)cout<<recordi.num<<"t"<<<<"t&q

27、uot;<<recordi.sex; for(int j = 0;j < SUBJECT_NUM;j+) cout<<"t"<<recordi.scorej;cout<<endl;/*stuNum-;cout<<""<<stuNum<<""cout<<endl;.*/if(i != stuNum)cout<<""<<endl;show_Table();cout<<recordi.

28、num<<"t"<<<<"t"<<recordi.sex<<"t"cout<<recordi.score0<<"t"<<recordi.score1<<"t"<<recordi.score2;cout<<endl;for(int j = i+1;j <= stuNum;j+)recordj-1 = recordj;/.cout<&

29、lt;endl;cout<<": "<<endl;show_Table();for(int i = 1;i <= stuNum-1;i+)cout<<recordi.num<<"t"<<<<"t"<<recordi.sex; for(int j = 0;j < SUBJECT_NUM;j+) cout<<"t"<<recordi.scorej;cout<<end

30、l;/*stuNum-;cout<<""<<stuNum<<cout<<endl;*/.stuNum-;cout<<"<<stuNum<<"cout<<endl;/* */void Info_modify()cout<<":"<<endl;cout<<"1."<<endl;cout<<"2."<<endl;cout<<

31、"3."<<endl;void modifyRecord()int key;cout<<endl;Info_modify();cout<<": "cin>>key;/if(key = 1)int targetNum;cout<< : "cin>>targetNum;modify_Num(targetNum);cout<<endl;/display();./if(key = 2)char targetName20;cout<<: "cin&g

32、t;>targetName;modify_Name(targetName);cout<<endl;/display();if(key = 3)while(1)menu_CMD();/void modify_Num(int tarNum)int i;for(i = 1;i <= stuNum;i+)if(recordi.num = tarNum)cout<<endl<<""<<endl;cout<<": "cin>>recordi.num;cout<<"

33、;: "cin>>;.cout<<"cin>>recordi.sex;cout<<""<<subject0<<" "cin>>recordi.score0;cout<<""<<subject1<<" : "cin>>recordi.score1;cout<<""<<subject2<<

34、"cin>>recordi.score2;void modify_Name(char tarName)int i;for(i = 1;i <= stuNum;i+)if(strcmp(,tarName) = 0)cout<<endl<<": "<<endl;cout<<": "cin>>recordi.num;cout<<": "cin>>;cout<<"

35、: "cin>>recordi.sex;cout<<""<<subject0<<": "cin>>recordi.score0;cout<<""<<subject1<<": "cin>>recordi.score1;cout<<""<<subject2<<": "cin>>recordi.score2;void

36、Info_query().cout<<": "<<endl;cout<<"1."<<endl;cout<<"2."<<endl;cout<<"3."<<endl;/queryRecordvoid queryRecord()int key;cout<<endl;Info_query();cout<<""cin>>key;if(key = 1)int targetNum

37、;cout<<": "cin>>targetNum;query_Num(targetNum);cout<<endl;if(key = 2)char targetName20;cout<<" : "cin>>targetName;query_Name(targetName);cout<<endl;/ .if(key = 3).while(1)menu_CMD();voidquery_Num(int tarNum)int i;for(i = 1;i <= stuNum;i+)if(recordi.num = tarNum)/ cout<<" : "<<endl;/show_Table();/ cout<<recordi.num<<"t"<<