学生管理系统源代码
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#include〈iostream>
#include〈stdlib.h〉
#include〈string.h〉
#include
#define INIT_SIZE 10
#define INCRE_SIZE 10
#define SUBJECT_NUM 3
#define LEN 3
void show_Start();
void show_Table();
void addRecord();
void Info_delete();
void deleteRecord();
void delete_Num(int);
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 *subject[SUBJECT_NUM] =
struct STUDENT {
int num;
char name[20];
char sex;
float score[SUBJECT_NUM];
};
//struct STUDENT stu[LEN + 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(STUDENT)*INIT_SIZE);
/*
record[1]。num = 1001;
strcpy(record[1]。name,”Jason");
record[1]。sex = 'M’;
record[1].score[0] = 85。0;
record[1]。score[1] = 90。0;
record[1].score[2] = 95。0;
record[2]。num = 1002;
strcpy(record[2]。name,”Jerry”);
record[2]。sex = 'M’;
record[2]。score[0] = 85。0;
record[2].score[1] = 90.0;
record[2]。score[2] = 95.0;
record[3]。num = 1003; strcpy(record[3]。name,”Jessie”);
record[3]。sex = 'F’;
record[3]。score[0] = 85。0;
record[3]。score[1] = 90.0;
record[3]。score[2] = 95。0;
*/
/*
Info_modify();
int key;
cout〈
cin〉〉key;
if(key == 1)
{
int targetNum;
cout
cin〉>targetNum;
modify_Num(targetNum);
cout〈〈endl;
display();
}
if(key == 2)
{
char targetName[20];
cout<
cin>>targetName;
modify_Name(targetName);
cout〈
display();
}
if(key == 3) {
exit(0);
}
*/
show_Start();
menu_CMD();
return 0;
}
void show_Start()
{
//cout〈
cout<〈” **************************************** ”〈〈endl;
cout<<" "〈
cout〈<” "〈〈endl;
cout<<” ”<
cout〈〈” ”〈〈endl;
cout〈〈" Made by Jason ”〈
cout<〈” **************************************** ”〈〈endl;
}
//。
void show_Table()
{
cout〈<” 〈〈”\t"〈〈” ”<<"\t”<〈” cout<〈”\t"<〈subject[0]〈〈"\t"〈
cout<〈endl;
}
void menu_CMD()
{ int key;
while(1)
{
cout〈〈”1。 <〈endl;
cout〈〈”2。 <〈endl;
cout<〈”3. <
cout〈〈”4。 <
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;
}
else
{
break;
}
}
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〈〈 <
stuNum++;
}
else
{
cout<<” 〈〈endl;
stuNum++;
}
//
if(stuNum 〉 INIT_SIZE)
{
cout〈〈 ”<〈endl;
record = (STUDENT*)realloc(record,(INIT_SIZE + INCRE_SIZE)*sizeof(STUDENT));
cout<〈" !”〈〈endl;
}
cout〈〈” 〈〈endl;
cout<〈” (Y/N) : ”;
char choi;
cin>〉choi;
if((choi == ’Y’)||(choi == 'y'))
{
cout〈〈" : ";
cin〉〉record[stuNum]。num;
cout〈<” : ”;
cin〉〉record[stuNum].name;
cout〈<”(M , F) : ”;
cin〉〉record[stuNum]。sex;
int i;
for(i = 0;i 〈 SUBJECT_NUM;i++)
{
cout〈〈” ”<
cin〉〉record[stuNum]。score[i];
}
}
if((choi == ’N’)||(choi == ’n'))
{
cout〈<" 〈
cout〈〈endl;
}
cout〈〈 <
cout<〈endl;
}
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
// \
//deleteRecord
void Info_delete()
{