c语言课程设计(教学设备管理系统)

printf("输入教学设备编号 :");
scanf("%ld",&p1->number);
printf("\n输入设备名称:");
scanf("%s",p1->name);
printf("\n输入生产厂家:");
if(p1==head) head=p1->next;
else p2->next=p1->next;
printf("\n已删除设备编号%ld记录!",number);
struct equipment *next;
};
struct equipment *head,*equip,*p5,*p;
int n;
struct equipment *del1,*del2,*del3;
struct equipment*insert(struct equipment *head,struct equipment *p);
for(j=0;j<=n+1;j++)
line(16,60+36*j,70*8+16,60+36*j);}
/*显示函数*/
void output(struct equipment* head)
{struct equipment*p;
p=head;
print();
if(head!=NULL)
scanf("%s",p1->adr);
printf("\n输入购置日期:");
scanf("%ld",&p1->date);
printf("\n输入台数:");
scanf("%ld",&p1->taishu);
{
printf("\n请输入要修改的设备编号:");
scanf("%ld",&num);
p=head;
while(num!=p->number&&p->next!=NULL)
{p=p->next;}
if(num!=p->number)
scanf("%s",p1->adr);
printf("\n输入购置日期:");
scanf("%ld",&p1->date);
printf("\n输入台数:");
scanf("%ld",&p1->taishu);
p=p->next;}while(p!=NULL);
print1();
getch();}
/*修改函数*/
void change(struct equipment* head)
{struct equipment *p;
long num;
cleardevice();
for(;;)
/*输入函数*/
struct equipment* creat(void)
{struct equipment *p1,*p2;
n=0;
p1=p2=(struct equipment*)malloc(LEN);
printf("\n教学设备编号为0时,退出输入!\n");
#include<graphics.h>
#incluLeabharlann e<stdlib.h>
#include<stdio.h>
#include<conio.h>
#define NULL 0
}
p2->next=NULL;
return(head);
}
void print()
{clrscr();
gotoxy(33,0);
printf("\16[{-80|10@30,30=4(2)5****中南工业大学教学设备明细账****}]");
gotoxy(3,5);
printf("\n输入单价:");
scanf("%ld",&p1->price);
p1->money=(p1->taishu)*(p1->price);
printf("\n输入备注:");
scanf("%s",p1->other);
printf("\n请输入要删除的教学设备编号:");
scanf("%ld",&number);
p1=head;
while(number!=p1->number&&p1->next!=NULL)
{p2=p1;
p1=p1->next; }
printf("\n输入单价:");
scanf("%ld", &p1->price);
p1->money=(p1->taishu)*(p1->price);
printf("\n输入备注:");
scanf("%s",p1->other);}
printf("\n 无此记录!");
printf("\n请输入要查找的设备编号:");
scanf("%ld",&key);
p=head;
while(key!=p->number&&p->next!=NULL)
head=NULL;
while(p1->number!=0)
{n=n+1;
if(n==1) head=p1;
else p2->next=p1;
p2=p1;
p1=(struct equipment*)malloc(LEN);
printf("\n输入教学设备编号:");
}
/*删除函数*/
struct equipment *del(struct equipment *head)
{ struct equipment *p1,*p2;
long number;
int b=0;
do
{clrscr();
if(head==NULL)
{printf("\n无此记录!\n");
{p=p->next;}
if(key==p->number)
{print();
print1();
printf("\n %-9ld%-9s%-9s%-9ld%-9ld%-9ld%-9ld%-9s",p->number,p->name,p->adr,p->date,p->taishu,p->price,p->money,p->other);
#define LEN sizeof(struct equipment)
struct equipment
{long number;
char name[20];
char adr[20];
long date;
long taishu;
long price;
long money;
char other[20];
printf("\n");}
else
{printf("\n无此编号,请按任意键返回!");
getch();}
printf("\n您是否需要继续查找?(y/n)\n");
choice=getch();
}while(choice=='y');