int number;
char title[20];
char author[20];
double price;
librarylist q=L->next;
librarylist sq;
printf("请输入作者名字:");
scanf("%s",author);
while(q!=NULL)
{
if(sq==q->author){
printf("图书编号:%d\n",q->number);
printf("图书名称:%s\n",q->title);
printf("图书单价:%.2lf\n",q->price);
printf("图书作者:%s\n",q->author);
printf("\n");
}
q=q->next;
}
if(!q){
printf("暂无此图书信息!\n\n");
}
}
void librarySearchByNumber( L){
int number;
char title[20];
char author[20];
double price;
librarylist q=L->next;
while(q!=NULL)
{
if(q->number==number){
printf("图书编号:%d\n",p->number);
printf("图书名称:%s\n",p->title);
printf("图书单价:%.2lf\n",p->price);
printf("图书作者:%s\n",p->author);
printf("存在状态:%s\n",p->state);
printf("\n");
}
}
q = q->next;
}
if(q==0){
printf("暂无此图书信息!\n\n");
}
return L;
};
void librarySearchByTitle(librarylist &L)
{
int number;
char title[20];
char author[20];
double price;
librarylist q=L->next;
int sq;
printf("请输入图书名称:");
scanf("%s",title);
while(q!=NULL)
{
if(sq==q->author){
printf("图书编号:%d\n",q->number);
printf("图书名称:%s\n",q->title);
printf("图书单价:%.2lf\n",q->price);
printf("图书作者:%s\n",q->author);
printf("存在状态:%s\n",q->state);
printf("\n");
}
q=q->next;
}
if(!q){
printf("暂无此图书信息!\n\n");
}
}
void libraryPrint(librarylist &L)
{
int number;
char title[20];
char author[20];
double price;
librarylist q=L->next;
if(q==NULL){
printf("\n无记录\n\n");
return;
}
printf("\n图书编号\t图书名称\t图书单价\t图书作者\t总数\n\n");
while (q!=NULL)
{
printf("%d\t\t%s\t\t%.2lf\t\t%s\n\n",p->number,p->title,p->price,p->author);
q = q->next;
}
}
int main()
{
librarylist L;
int choice, f;
CreateLibraryList(L);
while()
{
printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");
printf("\n");
printf("\t\t\t[1]:添加图书\t");
printf("\t\t\t[2]:查询图书\t");
printf("\t\t\t[3]:显示图书\t");
printf("\t\t\t〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n\n");
printf("\t\t\t[0]:退出\n\n");
scanf("%d",&choice);
getchar();
switch(choice){
case 0:
printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");
printf("\n谢谢您的使用!\n\n");
break;
case 1:
libraryInsert(L);
break;
case 2:
printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");
printf("请选择:");
printf("1.按作者查询\n\n");
printf("2.按编号查询\n\n");
scanf("%d",&f);
if(f==1){
librarySearchByAuthor(L);
break;
}
else if(f==2){
librarySearchByTitle(L);
break;
}
break;
case 3:
libraryPrint(L);
break;
}while(choice!=0);
system("pause");
return 0;
}
