/*头文件区*/
#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <dos.h>
#define LEN sizeof(struct student)
#define HEADER " number name calculus computer english\n\r"
#define FORMAT " %ld\t%s\t%-3g\t\t%-3g\t\t%-3g\n\r"
#define DATA p->num,p->name,p->score[calculus],p->score[computer],p->score[english]
#define PATH "c:\data.sav"
/*结构体的定义*/
struct student /*学生结构体，定义学生的属性*/
{
long num;
char name[15];
float score[3];
struct student *next; /*学生指针*/
};
int n;
int have=0;
enum subjects {calculus=0,computer=1,english=2} subject;
/*函数的声明区*/
struct student *load(void);
void save(struct student *head); /*保存头指针*/
void OutRecord(struct student *head);
void structcopy(struct student *p1,struct student *p2);
void enter(void);
void mainmenu(void);
struct student *creat(void);
void input(struct student *stu);
void ListRecord(struct student *head) ;
char Msgwindow(char *title,char *msg,int x,int y);
void Dwindow(char *title,int x,int y,int width,int hight);
struct stdent *InputRecord();
void DelRecord(struct student *p);
void InsRecord(struct student *p);
void SortRecord(struct student *p);
void SearchRecord(struct student *p);
void quit(void);
/*结构体定义区*/
struct student *del(struct student *head,long num);
struct student *insert(struct student *head,struct student *stud);
struct student *sort_num(struct student *head,int n);
struct student *sort(struct student *head,int n,int sub);
struct student *search1(struct student *head,long num);
struct student *search2(struct student *head,char name[]);
struct student *search3(struct student *head,float score,int sub);
/*主函数体*/
main()
{
struct student *head;
int i;
char c,ch;
system("cls"); /*主界面函数调用*/
enter(); /*进入判断？*/
do {
window(1,1,80,25); /*定义小窗口*/
system("cls");
mainmenu(); /*主欢迎界面函数调用*/
do {
ch=getch();
}while(ch<'1'||ch>'8'); /*功能选择函数的调用*/
window(1,1,80,25);
clrscr();
switch(ch)
{
case'1':
head=InputRecord(); /*输入*/
break;
case'2':
head=load();
break;
case'3':
DelRecord(head); /*删除 */
break;
case'4':
InsRecord(head);
break;
case'5':
SortRecord(head); /*分类*/
break;
case'6':
SearchRecord(head); /*查找 */
break;
case'7':
if (n!=0) save(head); /*保存*/
break;
case'8':
quit(); /*退出*/
}
}while(ch!='0');
}
struct stdent *InputRecord() /*分数录入*/
{
static struct student *p;
p=creat();
ListRecord(p);
return p;
}
void DelRecord(struct student *p)
{
enum LockOrNot {locked,unlocked} lock=locked;
char k;
long del_num;
if(n!=0)
{
do
{
Dwindow("List",1,1,76,14);
ListRecord(p);
window(1,16,69,17);
cprintf("input the deleted number(while number isn't 0):");
cscanf("%ld",&del_num);
if (del_num!=0)
{
p=del(p,del_num);
clrscr();
ListRecord(p);
if (n==0) lock=unlocked;
}
else lock=unlocked;
}while (lock==locked);
}
else
{
window(30,13,50,15);
textcolor(5);
cprintf("\nDidn't have any DATA!");
getch();
}
}
void InsRecord(struct student *p)
{
struct student *stu;
enum LockOrNot {locked,unlocked} lock;
char k;
if (n!=0)
{
ListRecord(p);
do
{
printf("\n\n\ninput the inserted record(It will be end if the inserted number is 0):\n");
stu=(struct student*)malloc(LEN);
input(stu);
if (stu->num!=0)
{
p=insert(p,stu);
ListRecord(p);
do
{
k=Msgwindow("message","Do you want to Insert another data?",30,10);
}while (k!='y'&&k!='n');
if(k=='y') lock=locked;
else lock=unlocked;
}
}while (lock==locked);
}
else
{
window(30,13,50,15);
textcolor(5);
cprintf("\nDidn't have any DATA!");
}
}
void SortRecord(struct student *p)
{
int flag=0;
char ch;
if (n!=0)
{
while(1)
{
system("cls");
Dwindow("Sort",30,5,20,13);
window(34,8,48,10);
textcolor(14);
cprintf("1)By number.");
window(34,10,48,12);
cprintf("2)By Calculus.");
window(34,12,48,14);
cprintf("3)By Computer.");
window(34,14,48,16);
cprintf("4)By English.");
window(34,16,48,18);
cprintf("5)Back.");
do
{
ch=getch();
}while(ch<'1'||ch>'5');
system("cls");
window(1,1,80,25);
textcolor(2);
switch(ch)
{
case '1':
sort_num(p,n);
ListRecord(p);
getch();
break;
case'2': /*calculus*/
case'3': /*computer*/
case'4': /*english*/
sort(p,n,ch-'2');
ListRecord(p);
getch();
break;
case'5':
flag=1;break;
}
if(flag) break;
}
}
else
{
window(30,13,50,15);
textcolor(5);
cprintf("\nDidn't have any DATA!");
getch();
}
}
void SearchRecord(struct student *p)
{
char ch;
int search_score,search_subject;
long search_num;
char search_name[15];
int flag=0;
if (n!=0)
{
while(1)
{
system("cls");
Dwindow("Search by",30,6,20,14);
window(34,10,48,12);
textcolor(14);
cprintf("1.Number.");
window(34,12,48,14);
cprintf("2.Name.");
window(34,14,45,16);
cprintf("3.Subject &Score.");
window(34,17,48,19);
cprintf("4.Quit.");
do
{
ch=getch();
}while(ch<'1'||ch>'4');
system("cls");
Dwindow("Search",5,3,50,12);
textcolor(2);
switch(ch)
{
case '1':
window(8,7,50,8);
cprintf("\nPlease input the number you want to search:");
window(8,9,50,10);
cprintf("No.");
cscanf("%ld",&search_num);
getch();
search1(p,search_num);
getch();
break;
case'2':
window(8,7,50,8);
cprintf("\nPlease input the name you want to search:");
window(8,9,50,10);
cprintf("Name:");
gets(search_name);
search2(p,search_name);
getch();
break;
case'3':
window(8,7,50,8);
cprintf("Please input the score you want to search:");
window(8,9,50,10);
cprintf("Score:");
cscanf("%d",&search_score);
window(8,13,50,14);
cprintf("1.Calculus 2.Computer 3.English");
window(8,11,50,12);
cprintf("Subject:");
cscanf("%d",&search_subject);
search3(p,search_score,search_subject);
search_subject--;
getch();
getch();
break;
case'4':
flag=1;break;
}
if(flag) break;
}
}
else
{
window(30,13,50,15);
textcolor(5);
cprintf("\nDidn't have any DATA!");
getch();
}
}
void enter(void) /*设置进入界面*/
{
Dwindow("Welcom to use my software!",9,1,56,16);
window(19,7,60,9);
textcolor(12);
cprintf("The Management System Of Student's Results\n");
window(30,9,56,11);
textcolor(14);
cprintf("Made by 06512 king_w!");
window(33,11,56,13);
cprintf("WANG KANG");
window(32,13,56,15);
textcolor(13);
cprintf("NO:20063051233");
window(50,21,78,23);
textcolor(9);
cprintf("Press any key to enter.");
getch();
}
void mainmenu(void) /*创建主菜单*/
{
textcolor(YELLOW);
Dwindow("Main menu",5,1,60,22);
window(23,4,60,7);
textcolor(14);
cprintf("Student Management System");
window(15,7,67,9);
textcolor(GREEN);
cprintf("1.Creat a list of student's grade.");
window(15,9,67,11);
cprintf("2.Load the data from the disk.");
window(15,11,67,13);
if (0==n) textcolor (RED);
else textcolor(GREEN);
cprintf("3.Delete the data in current list.");
window(15,13,67,15);
cprintf("4.Insert data in current list.");
window(15,15,67,17);
cprintf("5.Sort the list.");
window(15,17,67,19);
cprintf("6.Search in the list.");
window(15,19,67,21);
cprintf("7.Save the data.");
textcolor(GREEN);
window(15,21,67,23);
cprintf("8.Exit.");
}
void input(
评论0