#include?????
#include????
#include???
#define??A??“%4ld?%4s?%4s?%4d?%4d“
#define??B??p->nump->namep->sexp->agep->score
#define??C??&p->nump->namep->sex&p->age&p->score
struct??st?????????????/*定義數據結構*/
{
????long?num;?????????/*學號*/
????char?name[20];????/*姓名*/
????char?sex[6];??????/*性別*/
????int?age;??????????/*年齡*/
????int?score;????????/*成績*/
????struct?st?*next;
};
void??append（）?????/*?添加函數*/
{
????FILE?*fp;
????char?a;
????int??i=1;
????struct?st?*p*head*q;
????p=head=（struct?st?*）malloc（sizeof（struct?st））;???
????fp=fopen（“信息.txt““a+“）;
????while（1）
????{???
????????q=（struct?st?*）malloc（sizeof（struct?st））;
	printf（“\n第%d個學生的信息:\n“i++）;
	printf（“學號:“）;
	scanf（“%ld“&q->num）;
	printf（“姓名:“）;
	setbuf（stdinNULL）;
	gets（q->name）;
	printf（“性別:“）;
	setbuf（stdinNULL）;
	gets（q->sex）;
	printf（“年齡:“）;
	scanf（“%d“&q->age）;
	printf（“成績:“）;
	scanf（“%d“&q->score）;
????????p->next=q;
????????p=q;
????????fprintf（fpAB）;
????????printf（“繼續？（Y/N）“）;
????????setbuf（stdinNULL）;
????????scanf（“%c“&a）;
????????if（a==‘N‘?||?a==‘n‘）
????????break;
????}
????????fclose（fp）;
}
struct?st?*output（）??????????????????????????????????/*輸出學生信息*/
{
????FILE?*fp;
????struct?st?*p*head*q;
????q=head=（struct?st?*）malloc（sizeof（struct?st））;
????//p=（struct?st?*）malloc（sizeof（struct?st））;???
????head->next=p;
????if（（fp=fopen（“信息.txt““r“））==NULL）
????{
??????printf（“\n***********文件不存在!!!**********\n??????????????請創建“）;
??????getchar（）;
??????exit（1）;
????}
????while（!feof（fp））
????{
????p=（struct?st?*）malloc（sizeof（struct?st））;
????fscanf（fpAC）;
????printf（“學號??姓名??性別??年齡??成績“）;
????printf（“\n“）;
????printf（AB）;
????printf（“\n“）;
????p=p->next;
????}
?????fclose（fp）;
	getchar（）;getchar（）;
	return?head;
}
void??inquire（）???????????????/*查詢信息*/
{
????FILE?*fp;
????long??num;
????int??choice;
????char?name[20];
????struct?st?*p*head*q*f;
????q=head=（struct?st?*）malloc（sizeof（struct?st））;?
????if（（fp=fopen（“信息.txt““r“））==NULL）
????{
??????printf（“\n***********文件不存在!!!**********\n??????????????請創建“）;
??????getchar（）;
??????exit（1）;
????}
????while（!feof（fp））
????{
????p=（struct?st?*）malloc（sizeof（struct?st））;
????fscanf（fpAC）;
????q->next=p;
????q=p;
????}????
????q->next=NULL;
????do
????{
	printf（“\n1.按學號查詢“）;
	printf（“\n2.按姓名查詢“）;
	printf（“\n0.退出查詢“）;
	printf（“\n請選擇:“）;
	scanf（“%d“&choice）;
	switch（choice）
	{
	case?1:
??????????????printf（“\n請輸入要查詢的學號:“）;
??????????????scanf（“%ld“&num）;
??????????????for（p=head->next;p!=NULL;p=p->next）
?????????????????if（num==p->num）
??????????????????{
???????????????????printf（“學號??姓名??性別??年齡??成績“）;
???????????????????printf（“\n“）;
???????????????????printf（AB）;
??????????????????}
???????????????break;
	case?2:
??????????????printf（“\n請輸入要查詢的姓名:“）;
??????????????scanf（“%s“name）;
??????????????for（p=head->next;p->next!=NULL;p=p->next）
????????????????if（strcmp（namep->name）==0）
?????????????????{
??????????????????printf（“學號??姓名??性別??年齡??成績“）;
??????????????????printf（“\n“）;
?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????10307??2012-06-15?01:46??學生信息管理系統.c
?????文件??????698775??2013-12-21?14:45??C語言?學生信息管理系統?課程設計實驗報告.doc