#include“stdio.h“
#include“process.h“
#include“conio.h“
#include“stdlib.h“
#include“string.h“
#include“windows.h“
#define?N?3
#define?H1?“---------------------------Student?Menu------------------------\n“
#define?H2?“|????No????|???Name???|?Math??|Chinese|?Eng?|?total|?aver|order|\n“
#define?H3?“|----------|----------|-------|-------|-----|------|-----|-----|\n“
#define?FORMAT?“|%-10s|%-10s|%7d|%7d|%5d|%6.0lf|%5.2lf|%5d|\n“


typedef?struct?stu
{
	char?no[10];??????
????char?name[20];????
????int?score[N];?????
????double?total;?????
????double?aver;??????
????int?order;????????
}STU;

typedef?struct?node
{?
	STU?data;
????struct?node?*next;
}Node;
typedef?struct
{
	Node?*head*tail;
????int?len;
}linkList;

int?showmenu（）;
void?initlist（linkList?*L）;
void?append（linkList?*LNode?*p）;
void?gotoxy（int?x?int?y）;
void?load（linkList?*Lchar?*filename）;
void?initList（linkList?*L）;
void?inputScore（linkList?*L）;
void?delScore（linkList?*L）;
void?searchScore（linkList?*L）;
void?modifyScore（linkList?*L）;
void?dispAll（linkList?L）;
void?sortScore（linkList?*L）;
void?countScore（linkList?*L）;
void?save（linkList?*Lchar?fileName[20]）;
void?bye（linkList?*L）;
void?insertScore（linkList?*L）;
void?insertStu（linkList?*LNode?*p）;






int?main（）
{
	linkList?L;
	initList（&L）;
	load（&L“c:\\1.text“）;
?????while（1）
	?{
		?switch（showmenu（））
		?{
			?case?1:?inputScore（&L）;?break;?
			?case?2:?delScore（&L）;break;??????
?????????????case?3:?searchScore（&L）;break;????
?????????????case?4:?modifyScore（&L）;break;???
?????????????case?5:?insertScore（&L）;break;???
?????????????case?6:?countScore（&L）;break;?????
?????????????case?7:?sortScore（&L）;break;?
			?case?8:?save（&L“c:\\1.text“）;break;
?????????????case?9:?dispAll（L）;break;??????
?????????????case?0:?bye（&L）;break;?
				??}
?????}
	return?0;
system（“cls“）;???
}

?????








int?showmenu（）
{
	int?iselected;
	?char?*menus[]={
??????????“??????The??Student‘s?Grade?Management?System?\n????“
??????????“***************************Menu************************\n“
??????????“*??1?Input???record???2?Delete?record??????*\n“
??????????“*??3?Search??record???4?Modify?record??????*\n“
??????????“*??5?Insert??record???6?Count?record??????*\n“
??????????“*??7?Sort???record????8?Save??record??????*\n“
??????????“*??9?Display??record??0?Quit??system??????*\n“
??????????“*******************************************************\n“
?????};
?????
????system（“cls“）;
????system（“color?02“）;
?????gotoxy（155）;
?????printf（“%s“menus[0]）;
?????for（i=1;i<=7;i++）
	?{
?????????gotoxy（15i+6）;
?????????printf（“%s“menus[i]）;
?????}
?????while（1）
	?{
?????????gotoxy（1514）;
?????????printf（“\nEnter?you?choice[0?-?9]:“）;
?????????scanf（“%d“&selected）;
?????????if（selected>=0?&&?selected<=9）?break;
?????}
?????
?????return?selected;
}?

void?gotoxy（int?x?int?y）?
{?
COORD?pos;?
pos.X?=?x?-?1;?
pos.Y?=?y?-?1;?
SetC