设备管理系统(课程设计)

{p2=p1;
p1=p1->next; }
if(number==p1->number)
{printf("\n进行逻辑删除还是物理删除,Y/N?");
if(getch()=='y')
{if(del1==NULL) del1=p1;
else
printf("\n回收站已满,无法再删除!");
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)
/*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");
printf("输入教学设备编号 :");
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');
{
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)
{printf("\n对不起,无此记录!按任意键返回!");
{struct equipment*p;
p=head;
printf(" ");
if(head!=NULL)
do
{printf("\n %-9ld%-9s%-9s%-9ld%-9ld%-9ld%-9ld%-9s \n",p->number,p->name,p->adr,p->date,p->taishu,p->price,p->amount,p->instruction);
if(head==NULL)
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)
{p=p->next;}
return(head);}
else
{b=0;
if(del1==NULL) b=b+1;
if(del2==NULL) b=b+1;
if(del3==NULL) b=b+1;
if(b!=0)
printf("\n回收站还有%d的空间!",b);
scanf("%ld",&p1->number);
printf("\n输入设备名称:");
scanf("%s",&p1->name);
printf("\n输入生产厂家:");
scanf("%s",&p1->adr);
printf("\n输入购置日期:");
scanf("%ld",&p1->date);
return(head);
} Βιβλιοθήκη /*恢复函数*/ struct equipment *recover(struct equipment* head)
{ struct equipment *p0,*p1,*p2;
long rec_num,a=0;
cleardevice();
scanf("%ld",&p1->number);
if(p1->number==0) break;
else
{printf("\n输入设备名称:");
scanf("%s",&p1->name);
printf("\n输入生产厂家:");
scanf("%s",&p1->adr);
printf("\n输入台数:");
scanf("%ld",&p1->taishu);
printf("\n输入单价:");
scanf("%ld",&p1->price);
p1->amount=(p1->taishu)*(p1->price);
printf("\n输入备注:");
scanf("%s",&p1->instruction);
printf("\n输入生产厂家:");
scanf("%s",&p->adr);
printf("\n输入购置日期:");
scanf("%ld",&p->date);
printf("\n输入台数:");
scanf("%ld",&p->taishu);
gotoxy(1,3);
do{printf("\n可恢复的设备编号:");
if(del1!=NULL)
{a=a+1;printf("\n%ld",del1->number); }
if(del2!=NULL)
{a=a+1;printf("\n%ld",del2->number);}
getch();
break;}
else
{printf("\n请输入新的设备记录:");
printf("\n输入教学设备编号:");
scanf("%ld",&p->number);
printf("\n输入教学设备名称:");
scanf("%s",&p->name);
if(getch()!='y') break;
}
}}
/*查找函数*/
void search(struct equipment* head)
{ struct equipment *p;
char choice;
long key;
do
{clrscr();
p=p->next;}while(p!=NULL);
printf(" ");
getch();}
/*修改函数*/
void change(struct equipment* head)
{struct equipment *p;
long num;
cleardevice();
for(;;)
};
struct equipment *head,*equip,*p5,*p;
int n;
struct equipment *del1,*del2,*del3;
struct equipment*insert(struct equipment *head,struct equipment *p);
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:");
设备管理系统(课程设计).txt
#include<graphics.h>
#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
#include<string.h>
#define NULL 0
#define LEN sizeof(struct equipment)
{int i,j;
for(i=0;i<=8;i++)
line(70*i+16,60,70*i+16,60+36*(n+1));
for(j=0;j<=n+1;j++)
line(16,60+36*j,70*8+16,60+36*j);}