}
p2=p1;
p1=p1->next; } break; case 2:printf(\请输入要进行修改的作者的名字：\ scanf(\ while(p1!=NULL) {
if(strcmp(linshi.auther,p1->auther)==0) {
printf(\请输入要修改之后的作者：\\n\ scanf(\ break; }
p2=p1;
p1=p1->next; } break; case 3:printf(\请输入要进行修改的书的出版社：\ scanf(\ while(p1!=NULL) {
if(strcmp(linshi.chubanshe,p1->chubanshe)==0) {
printf(\请输入要修改之后的出版社：\\n\ scanf(\ break; }
p2=p1;
p1=p1->next; } break; case 4:printf(\请输入要进行修改的书的价格：\ scanf(\ while(p1!=NULL) {
if(linshi.price==p1->price) {
printf(\请输入要修改之后的出版社：\\n\ scanf(\ break; }
p2=p1;
p1=p1->next; } break; case 5:printf(\请输入要进行修改的书的编号：\ scanf(\ while(p1!=NULL) {
if(linshi.booknumber==p1->booknumber) {
printf(\请输入要修改之后的出版社：\\n\ scanf(\ break; }
p2=p1;
p1=p1->next; } break; case 6:printf(\请输入要进行修改的书的状态：\ scanf(\ while(p1!=NULL) {
if(linshi.onof==p1->onof) {
printf(\请输入要修改之后的状态：\\n\ scanf(\ break; }
p2=p1;
p1=p1->next; } break; default:printf(\ } p1=p2=a; while(p1!=NULL) {
fwrite(p1,sizeof(struct book),1,pbook3); p2=p1;
p1=p1->next; }
fclose(pbook3); return 0; }
int Delete(BookPtr a) //删除图书信息 {
system(\ jiemian(); BOOK b;
BookPtr p1,p2; p1=p2=a; int flag=0;
printf(\请选择要删除的图书的书名：\ scanf(\ while(p1!=NULL) {
if(strcmp(b.bookname,p1->bookname)==0) {
if(p1==a) {
a=p1->next; free(p1); } else {
p2->next=p1->next; free(p1); }
break; } else {
p2=p1;
p1=p1->next; } }
Save(a); }
int Save(BookPtr a) //将处理好的链表存入文件 {
FILE * pbook3; BookPtr p1,p2; p1=p2=a; if((pbook3=fopen(\ {
printf(\不能打开文件!!!\ }
while(p1!=NULL) {
fwrite(p1,sizeof(struct book),1,pbook3); p2=p1;
p1=p1->next; }
fclose(pbook3); return 0; }
int show_function1_window(UserPtr1 b) {
jiemian();
BookPtr p1,p2; p1=p2=bookhead; int m; do {
system(\ jiemian();
printf(\尊敬的%s用户，您好!\ printf(\查询服务\ printf(\借书服务\ printf(\还书服务\ printf(\还清欠款\
printf(\显示所有图书信息\ printf(\选择0退出登录！！！\ printf(\请选择您需要的服务:\\n\ scanf(\ switch(m) {
case 1:Serch(bookhead); system(\ break;
case 2:Jieshu(bookhead); break;
case 3:Huanshu(bookhead); break; case 4:Huankuan(); break;
case 5:Show(bookhead); break; case 0:break;
default:printf(\
//用户主界面