📄 library.c
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getch();
}
else
{
printf("\nISBN number : %d book name: %s author: %s public : %s\nNow we have [ %d ] These Books.",book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].publi,book[i].turefalse);
printf("\nSORRY ! All of these books had been borrowed.\n");
getch();
}
}
else continue;
}
fclose(fp);
if(p==0)
{
printf("\nWe CANNOT find this author,please check it.\n");
getch();
}
{
clr();
printf("\nDo you want to input the AUTHOR name once? (Y/N)\n");
scanf("%s",&choise);
if(choise=='y'||choise=='Y')
{
clr();
goto ind1;
}
else
{
clr();
return;
}
}
return;
}
bookpub() /*书籍查找,按出版社*/
{
FILE *fp,*fp2;
char bookname[10];
char bookaut[10];
int ture,p,i,n=0;
char choise=0;
ind1:
p=0;
n=0;
fp=fopen("book.txt","r");
printf("\ninput the book public:\n");
scanf("%s",bookaut);
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(bookaut,book[i].publi)==0)
{
clr();
p++;
*bookname=*book[i].bookname;
if(book[i].turefalse!=0) /*书籍状态判断*/
{
printf("\nISBN number : %d book name: %s author: %s public : %s\nNow we have [ %d ] These Books,you can borrow it.\n\n",book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].publi,book[i].turefalse);
fp2=fopen("record.txt","r"); /*打开借书操作数据库，调出借书的数据，查看此书被哪些人借阅*/
for(i=0;fread(&student[i],sizeof(struct student),1,fp2)!=0;i++)
{
if(strcmp(student[i].lendbook,bookname)==0)
{
printf("These books had been borrowed by this card number: %d \n",student[i].cardnum); /*出于保护隐私，这里不把卡号对应到名字上去。对应的话，用for循环再调用一次card.txt，然后寻找对应即可。*/
n++;
}
else continue;
}
fclose(fp2);
printf("\nThis book already be borrowed by [ %d ] peoples.\n",n);
getch();
}
else
{
printf("\nISBN number : %d book name: %s author: %s public : %s\nNow we have [ %d ] These Books.",book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].publi,book[i].turefalse);
printf("\nSORRY ! All of these books had been borrowed.\n");
getch();
}
}
else continue;
}
fclose(fp);
if(p==0)
{
printf("\nWe CANNOT find this public,please check it.\n");
getch();
}
{
clr();
printf("\nDo you want to input the book name once? (Y/N)\n");
scanf("%s",&choise);
if(choise=='y'||choise=='Y')
{
clr();
goto ind1;
}
else
{
clr();
return;
}
}
return;
}
delbook() /*删除书籍*/
{
FILE *fp,*fp2;
int i,booknum;
char choice;
fp=fopen("book.txt","r");
fp2=fopen("ExFile.txt","w");
printf("Input the book ISBN NUMBER:\n");
scanf("%d",&booknum);
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(booknum==book[i].booknum)
{
fwrite(&book[i],sizeof(struct book),1,fp2);
}
}
fclose(fp);
fclose(fp2);
printf("\nISBN number : %d book name: %s author: %s public : %s\nNow we have [ %d ] These Books.",book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].publi,book[i].turefalse);
printf("are you sure?(Y/N)\n");
scanf("%s",&choice);
if(choice=='y'||choice=='Y')
{
fp=fopen("book.txt","w");
fp2=fopen("ExFile.txt","r");
for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)
{
fwrite(&book[i],sizeof(struct book),1,fp);
}
fclose(fp);
fclose(fp2);
fp2=fopen("ExFile.txt","w");
fclose(fp2);
printf("Press any key to continue.\n");
getch();
return;
}
else
{
printf("Press any key to continue.\n");
getch();
return;
}
printf("Press any Key to exit this mode.");
getch();
return;
}
changebook() /*修改书籍资料*/
{
FILE *fp,*fp2;
char choice;
int i,booknum;
fp=fopen("book.txt","r");
fp2=fopen("ExFile.txt","w"); /*写入到临时文件*/
printf("input the ISBN NUMBER of the book you want to change:\n");
scanf("%d",&booknum);
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(booknum==book[i].booknum)
{
clr();
printf("\nISBN number : %d book name: %s author: %s public : %s\nNow we have [ %d ] These Books.",book[i].booknum,book[i].bookname,book[i].bookcreat,book[i].publi,book[i].turefalse);
printf("select what you want to change:(input 1-5)\n\n");
printf("1 : change the ISBN number\n");
printf("2 : change the name\n");
printf("3 : change the author\n");
printf("4 : change the public\n");
printf("5 : change the number of the book we have\n");
printf("0 : <EXIT>\n");
printf("Please slect one:\n");
scanf("%s",&choice);
clr();
switch(choice)
{
case '1':
{
printf("input new ISBN number:\n");
scanf("%d",&book[i].booknum);
fwrite(&book[i],sizeof(struct book),1,fp2);
}break;
case '2':
{
printf("input new name:\n");
scanf("%s",book[i].bookname);
fwrite(&book[i],sizeof(struct book),1,fp2);
}break;
case '3':
{
printf("input new author:\n");
scanf("%s",book[i].bookcreat);
fwrite(&book[i],sizeof(struct book),1,fp2);
}break;
case '4':
{
printf("input new public:\n");
scanf("%s",book[i].publi);
fwrite(&book[i],sizeof(struct book),1,fp2);
}break;
case '5':
{
printf("input new number of the book we have now:\n");
scanf("%d",&book[i].turefalse);
fwrite(&book[i],sizeof(struct book),1,fp2);
}break;
case '0':
{
printf("\nPress any key to EXIT this mode.\n");
getch();
};break;
default:printf("WRONG select!");break;
}
continue;
} /*修改结束*/
fwrite(&book[i],sizeof(struct book),1,fp2); /*写入修改后的结果*/
}
fclose(fp);
fclose(fp2);
fp=fopen("book.txt","w");
fp2=fopen("ExFile.txt","r"); /*从临时文件写到数据库中*/
for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++)
{
fwrite(&book[i],sizeof(struct book),1,fp);
}
fclose(fp);
fclose(fp2);
fp2=fopen("ExFile.txt","w");
fclose(fp2);
printf("Press any key to continue.\n");
getchar();
printf("Press any Key to exit this mode.");
getch();
return;
}
main( ) /*主菜单函数*/
{
static int k,y;
static int key0,key1,key,test,dx;
static char *chp[ ]= /*大菜单的选项*/
{
"Login(alt+A)",
"SearchBooks(alt+F)",
"BooksOperation(alt+B)",
"Students(alt+S)"
};
static char *chp1[ ]= /*下拉菜单显示内容*/
{
"Login F3",
"Logout Alt-F3",
"Quit Alt-x "
};
static char *chp3[ ]=
{
"Show all books",
"",
"By Name",
"By Author",
"By ISBN Num",
"By Public"
};
static char *chp4[ ]=
{
"Borrow Books",
"Return Books",
"",
"Adds Books",
"Delete Books",
"Modifile Books"
};
static char *chp5[ ]=
{
"All Student",
"FindByName",
"FindByCardNum",
"Add student",
"Del student",
"Modif student"
};
static char buf[16*20*2],buf1[16*2];
index:
key0=key1=0;
textbackground(BLUE);
clrscr();
window(1,2,80,24);
textbackground(BLUE);
textcolor(WHITE);
clrscr();
{printf("\n\n\n\n\n\n");
printf(" ******************************************************************************\n");
printf(" ******************************************************************************\n");
printf(" *** ***\n");
printf(" *** ---- Welcome to use this Library Management Operation System ! ---- ***\n");
printf(" *** ***\n");
printf(" ******************************************************************************\n");
printf(" ******************************************************************************\n");
printf("\n\n Press [ ALT+X ] to exit this System ");
}
window(1,25,80,25);
textbackground(BLUE);
textcolor(WHITE);
clrscr();
printf(" Version Beta 1.00E Copy Right 2004 design by ChenQu CS0312 SN:012003016625");
window(1,1,80,1);
textbackground(WHITE);
textcolor(BLACK);
clrscr();
window(1,1,80,2);
for(k=0;k<4;k++) /*主标题框设置,数字代表有几个*/
cprintf(" %s",chp[k]);
dx=0;
while(1)
{
key=0;
while(bioskey(1)==0);
key=bioskey(0);
key=key&0xff?0:key>>8;
if(key==45) exit(0);
if(key==30) /*press alt+a ,建立新的下拉窗口修改此值*/
{
int dy,delta;
dy=6; /*下拉菜单个数+3 建立新的下拉窗口修改此值*/
dx=1; /*开始横坐标 建立新的下拉窗口修改此值*/
delta=15; /*黑色线条边框偏移设置 建立新的下拉窗口修改此值*/
textbackground(BLACK);
textcolor(WHITE);
gotoxy(dx+3,1);
cprintf("%s",chp[0]); /*显示对应的大菜单的选项，是第几个选项就将0改成N-1，建立新的下拉窗口修改此值*/
gettext(4+dx,2,19+dx,dy,buf);
window(4+dx,2,19+dx,dy);
textbackground(WHITE);
textcolor(BLACK);
clrscr();
window(4+dx,2,19+dx,dy+1);
gotoxy(1,1);
putch(0xda);
for(k=2;k<dx+delta;k++) putch(0xc4); /*print '-'*/
putch(0xbf);
for(k=2;k<dy-1;k++) /*print '|'*/
{
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