圖書館系統

#include<stdio.h> 
#include<string.h> 
#include<conio.h> 
#include<stdlib.h> 
#include<ctype.h> 
#define STACK_INIT_SIZE 10 
#define OK 1 
#define TRUE 1 
#define ERROR 0
 
/*定義學生類型，用於存放借出的書籍*/ 
struct student { 
int carnum; 
char lendbook[10]; 
}student[1000];
 
 /*定義書的類型*/ 
struct book
{ 
int booknum; 
char bookname[20]; 
float bookprice;
char bookcreat[20]; 
int turefalse; /*用於借書和還書模塊判斷一本書是否借出的條件*/ 
}book[1000];
 
/*借書卡的數據類型*/ 
struct car
{ 
int carnum; 
char sex[5];
char studentname[20]; 
int studentclass; 
}car[1000];
/*查詢圖書信息模塊*/
/*(1)按書名查找*/
findbook()
{ 
FILE *fp; 
char bookname[10]; 
int i; 
fp=fopen("book.txt","r");
printf("請輸入你要查找的書名:\n"); 
scanf("%s",bookname); 
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) 
{ 
  if(strcmp(bookname,book[i].bookname)==0) 
  { 
   if(book[i].turefalse==1) 
   {
printf(" 書號      書名      作者 \n %d      %s    %s \n",book[i].booknum,book[i].bookname,book[i].bookcreat);
printf("此書現在無人借閱\n按任意鍵返回\n");} 
   else {printf("這本書已經有人借出\n");fclose(fp);return 0;} 
   fclose(fp); 
   return 0; 
  } 
} 
printf("抱歉無此書!\n");
fclose(fp); 
return 0; 
}
/*(2)按作者查找*/
findbook1()
{ 
FILE *fp; 
char bookcreat[10]; 
int i; 
fp=fopen("book.txt","r");
printf("請輸入作者名:\n"); 
scanf("%s",bookcreat); 
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) 
{ 
  if(strcmp(bookcreat,book[i].bookcreat)==0) 
  { 
   if(book[i].turefalse==1) 
   { 
    printf(" 書號  書名  作者\n %d    %s    %s\n",book[i].booknum,book[i].bookname,book[i].bookcreat); 
   printf("此書現在無人借閱\n按任意鍵返回\n");
                                                             }
else {printf("此書已借出!\n");fclose(fp);
return 0;
                                                             }
   fclose(fp); 
   return 0; 
  } 
} 
printf("沒有此書籍\n");
fclose(fp); 
return 0; 
}
chabook()/*查找圖書主模塊 */
{ 
char ch5; 
do 
{ 
printf("！！！歡迎進入圖書查詢系統！！！\n"); 
printf(" 1: 按書名查找\n"); 
printf(" 2: 按作者查找\n"); 
printf(" 0: 返回\n"); 
printf("請輸入0━2:\n"); 
ch5=getch(); 
switch(ch5) 
  { 
   case '1':findbook();getch();break; 
   case '2':findbook1();getch();break; 
   case '0':break; 
   default:printf("無此操作!\n");getch();break; 
  } 
}while(ch5!='0');
return 0; 
}
/*借書與還書模塊*/
/*(1).借書模塊*/
lendbook() 
{ 
FILE *fp,*fp2; 
int i,n; 
int carnum; 
system("cls");
printf("\t\t*****歡迎進入借書系統*****\n\n");
printf("請輸入借書人的:\n卡號:\n"); 
scanf("%d",&carnum); 
fp=fopen("car.txt","r");
for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++) 
{ 
  if(car[i].carnum==carnum) 
  { 
   n=i; 
   fclose(fp); 
   printf("書名:\n"); 
   scanf("%s",student[n].lendbook); 
   fp=fopen("book.txt","r"); 
   for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++) 
   { 
    if(strcmp(book[i].bookname,student[n].lendbook)==0) 
    { 
     if(book[i].turefalse==0) {printf("對不起，此書有人借出，請借其他書\n");fclose(fp);getch();return0;} 
     else 
     fclose(fp); 
     fp=fopen("record.txt","a+"); 
     student[n].carnum=carnum; 
     fwrite(&student[n],sizeof(struct student),1,fp); 
     fclose(fp); 
     fp=fopen("book.txt","r"); 
     fp2=fopen("bookl.txt","w"); 
     for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++) 
     { 
      if(strcmp(book[i].bookname,student[n].lendbook)==0) 
      { 
       book[i].turefalse=0; 
       fwrite(&book[i],sizeof(struct book),1,fp2); 
       continue; 
      } 
      fwrite(&book[i],sizeof(struct book),1,fp2); 
     } 
     fclose(fp); 
     fclose(fp2); 
     fp=fopen("book.txt","w"); 
     fp2=fopen("bookl.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); 
     fopen("bookl.txt","w"); 
     fclose(fp2); 
     printf("借書完畢，按任意鍵返回...\n"); 
     getch(); 
     return 0; 
    } 
   } 
   printf("不存在這樣的書，任意鍵返回...\n"); 
   fclose(fp); 
   getch(); 
   return 0; 
  } 
} 
printf("你的卡號不存在，請申請新卡,按任意鍵返回...\n"); 
fclose(fp); 
getch(); 
return 0;}
/*(2).還書函數*/
huanbook() 
{ 
FILE *fp,*fp2; /*定義兩個文件指針，fp2用於修改數據時設立臨時文件用，防止數據遭破壞*/ 
int i,n; 
int carnum; 
char lendbook[10]; 
system("cls");
printf("\t\t@@@@歡迎進入還書界面@@@@");
printf("\n請你輸入你的\n卡號:\n"); 
scanf("%d",&carnum); 
fp=fopen("car.txt","r");/*讀取卡號記錄*/ 
for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++) /*for循環判斷卡號是否存在*/ 
{ 
  if(car[i].carnum==carnum) /*卡號存在，進入下一循環*/ 
  { 
   n=i; 
   fclose(fp); 
   printf("請輸入你要還的書的名字:\n"); 
   scanf("%s",lendbook); 
   fp=fopen("record.txt","r"); 
   for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++) /*判斷是否借閱了輸入的書*/ 
   { 
    if(strcmp(student[i].lendbook,lendbook)==0) /*借閱了該書，進入下一循環，否則出錯顯示*/ 
    { 
     fclose(fp); 
     fp=fopen("record.txt","r"); 
     fp2=fopen("bookl.txt","w"); 
     for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++) 
     { 
      if(strcmp(student[i].lendbook,lendbook)==0) 
      { 
       continue; /*刪除還掉的書的借書記錄*/ 
      } 
      fwrite(&student[i],sizeof(struct student),1,fp2); /*寫入原來沒還的書的記錄*/ 
     } 
     fclose(fp); 
     fclose(fp2); 
     fp=fopen("record.txt","w"); 
     fp2=fopen("bookl.txt","r"); 
     for(i=0;fread(&student[i],sizeof(struct student),1,fp2)!=0;i++) 
      { 
       fwrite(&student[i],sizeof(struct student),1,fp); /*將借書記錄信息寫回*/ 
      } 
     fclose(fp); 
     fclose(fp2); 
     fopen("bookl.txt","w"); /*清臨時文件的記錄*/ 
     fclose(fp2); 
     fp=fopen("book.txt","r"); 
     fp2=fopen("bookl.txt","w"); 
     for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++) /*將書的記錄寫入臨時文件，防止因爲修改信息破壞以前的記錄*/ 
     { 
      if(i==n) 
      { 
       book[i].turefalse=1; 
       fwrite(&book[i],sizeof(struct book),1,fp2); /*將還的書的原來狀態設爲無人借閱的*/ 
       continue; 
      } 
      fwrite(&book[i],sizeof(struct book),1,fp2); 
     } 
     fclose(fp); 
     fclose(fp2); 
     fp=fopen("book.txt","w"); 
     fp2=fopen("bookl.txt","r"); 
     for(i=0;fread(&book[i],sizeof(struct book),1,fp2)!=0;i++) 
     { 
      fwrite(&book[i],sizeof(struct book),1,fp); /*將臨時文件寫回*/ 
     } 
     fclose(fp); 
     fclose(fp2); 
     fopen("bookl.txt","w"); /*清臨時文件*/
     fclose(fp2); 
     printf("還書完畢，按任意鍵返回...\n"); 
     getch(); 
     return 1; 
    } 
   } 
   printf("你沒有借這樣的書，任意鍵返回...\n"); /*出錯提示*/ 
   fclose(fp); 
   getch(); 
   return 0; 
  } 
} 
printf("沒這樣的卡，和管理員聯繫,按任意鍵返回...\n"); /*出錯提示*/ 
fclose(fp); 
getch(); 
return 0;}
/*(3).借書統計*/
lendcount() 
{ 
FILE *fp; 
int i,n=0; 
fp=fopen("record.txt","r");
for(i=0;fread(&student[i],sizeof(structstudent),1,fp)!=0;i++) 
{ 
  printf("卡號      借出的書籍     \n"); 
  printf("%d       %s\n",student[i].carnum,student[i].lendbook); 
  n=n+1; 
} 
fclose(fp); 
printf("目前共有%d本書借出\n",n); 
printf("按任意鍵...\n");
getch();
return n; 
}
/*會員卡管理模塊*/
/*(1).增加會員卡*/
addcar() 
{ 
FILE *fp; 
int i=0; 
fp=fopen("car.txt","a+");
printf("卡號:\n");
scanf("%d",&car[i].carnum);
printf("性別:\n");
scanf("%s",car[i].sex);
printf("姓名:\n");
scanf("%s",car[i].studentname);
printf("班級:\n");
scanf("%d",&car[i].studentclass);
fwrite(&car[i],sizeof(structcar),1,fp); 
fclose(fp); 
printf("輸入完畢，任意鍵返回...\n"); 
getch(); 
}
/*(2).刪除會員卡*/
delcar() 
{ 
FILE *fp,*fp2; 
int i; 
int carnum; 
char choice; 
fp=fopen("car.txt","r");
fp2=fopen("bookl.txt","w");
printf("要刪除的卡號(不存在則不作改動):\n"); 
scanf("%d",&carnum); 
for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++) 
{ 
  if(car[i].carnum!=carnum) 
  { 
   fwrite(&car[i],sizeof(struct car),1,fp2); 
  } 
} 
fclose(fp); 
fclose(fp2);
printf("確認刪除?(Y/N)!\n");
scanf("%s",&choice); 
if(choice=='y'||choice=='Y') 
{ 
  fp=fopen("car.txt","w"); 
  fp2=fopen("bookl.txt","r"); 
  for(i=0;fread(&car[i],sizeof(struct car),1,fp2)!=0;i++) 
  { 
   fwrite(&car[i],sizeof(struct car),1,fp); 
  } 
  fclose(fp); 
  fclose(fp2); 
  fp2=fopen("bookl.txt","w"); 
  fclose(fp2); 
  printf("操作成功!\n按任意鍵返回...\n");
  getch(); 
  return 0; 
} 
else 
{ 
  printf("操作已取消!\n按任意鍵返回...\n");
  getch(); 
  return 0; 
} 
}
/*(3).會員卡統計*/
carcount() 
{ 
FILE *fp; 
int i,n=0; 
fp=fopen("car.txt","r");
for(i=0;fread(&car[i],sizeof(structcar),1,fp)!=0;i++) 
{ 
  printf("第%d張卡 \n",i+1); 
  printf("卡號         性別        姓名   班級   \n"); 
printf("  %d   %5s    %10s   %3d\n\n",car[i].carnum,car[i].sex,car[i].studentname,car[i].studentclass);
  n=n+1; 
} 
fclose(fp); 
printf("目前共有%d個會員。\n",n); 
printf("按任意鍵返回...\n"); 
getch(); 
}
/*圖書管理模塊*/
/*(1).增加圖書信息*/
addbook() 
{ 
FILE *fp; 
int i=0; 
char choice='y'; 
fp=fopen("book.txt","a+");
while(choice=='y'||choice=='Y') 
{ 
  printf("書號:\n");
  scanf("%d",&book[i].booknum); 
  printf("書名:\n"); 
  scanf("%s",book[i].bookname); 
  printf("作者:\n"); 
  scanf("%s",book[i].bookcreat); 
  printf("單價:\n");
  scanf("%f",&book[i].bookprice);
  printf("請你設定書的狀態(1在架/0不在):\n");  
  scanf("%d",&book[i].turefalse); 
  fwrite(&book[i],sizeof(struct book),1,fp); 
   printf("是否要輸入下本書(y/n)\n");
  scanf("%s",&choice); 
} 
fclose(fp); 
}
/*(2).刪除圖書信息*/ 
delbook() 
{ 
FILE *fp,*fp2; 
int i; 
char bookname[10],choice; 
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
printf("書名:\n");
scanf("%s",bookname); 
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) 
{ 
  if(strcmp(bookname,book[i].bookname)!=0) 
  { 
   fwrite(&book[i],sizeof(struct book),1,fp2); 
  } 
} 
fclose(fp); 
fclose(fp2); 
printf("確認刪除(y/n)?\n");
scanf("%s",&choice); 
if(choice=='y'||choice=='Y') 
{ 
  fp=fopen("book.txt","w"); 
  fp2=fopen("bookl.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("bookl.txt","w"); 
  fclose(fp2); 
  printf("按任意鍵返回...\n"); 
  getch(); 
  return 0; 
} 
else 
{ 
  printf("按任意鍵返回...\n"); 
  getch(); 
  return 0; 
} 
}
/*(3)修改圖書*/
changebook() 
{ 
FILE *fp,*fp2; 
char bookname[10],choice; 
int i; 
fp=fopen("book.txt","r");
fp2=fopen("bookl.txt","w");
printf("書名:\n");
scanf("%s",bookname); 
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) 
{ 
  if(strcmp(book[i].bookname,bookname)==0) 
  { 
   printf("你所要修改的書的資料如下，請選擇你要修改的內容:\n"); 
   printf("序號      書名      作者 \n"); 
    printf("%d   %s %s\n",book[i].booknum,book[i].bookname,book[i].bookcreat); printf("1:修改書號:\n"); 
   printf("2: 修改書名:\n"); 
   printf("3: 修改作者:\n"); 
printf("4: 修改單價:");
   printf("請輸入1━3:"); 
    choice=getch(); 
   switch(choice) 
   { 
    case '1': 
    { 
     printf("新書號:\n"); 
     scanf("%d",&book[i].booknum); 
     fwrite(&book[i],sizeof(struct book),1,fp2); 
    }break; 
    case '2': 
    { 
     printf("新書名:\n"); 
     scanf("%s",book[i].bookname); 
     fwrite(&book[i],sizeof(struct book),1,fp2); 
    }break; 
    case '3': 
    { 
     printf("新的作者:\n"); 
     scanf("%s",book[i].bookcreat); 
     fwrite(&book[i],sizeof(struct book),1,fp2); 
    }break; 
case '4':
{
printf("新的單價:");
scanf("%f",book[i].bookprice);
       fwrite(&book[i],sizeof(struct book),1,fp2);          }
    default:printf("沒有這樣的操作!");break; 
   } 
   continue; 
  } 
  fwrite(&book[i],sizeof(struct book),1,fp2); 
} 
fclose(fp); 
fclose(fp2); 
fp=fopen("book.txt","w");
fp2=fopen("bookl.txt","r");
for(i=0;fread(&book[i],sizeof(structbook),1,fp2)!=0;i++) 
{ 
  fwrite(&book[i],sizeof(struct book),1,fp); 
} 
fclose(fp); 
fp2=fopen("bookl.txt","w");
fclose(fp2); 
printf("按任意鍵返回...\n"); 
getchar(); 
return 0; 
} 
/*(4).圖書統計*/
bookcount() 
{ 
FILE *fp; 
int i,n=0; 
fp=fopen("book.txt","r");
for(i=0;fread(&book[i],sizeof(structbook),1,fp)!=0;i++) 
{ 
 if(book[i].booknum!=0&&strlen(book[i].bookname)!=0&&strlen(book[i].bookcreat)!=0)
  { 
   printf("第%d本書\n序號           書名               作者       單價    狀態 \n",i+1); 
   printf(" %d       %10s    ",book[i].booknum,book[i].bookname); 
printf("%15s      %4.2f   %d(1在/0不在)\n",book[i].bookcreat,book[i].bookprice,book[i].turefalse);n=n+1;
  } 
} 
fclose(fp); 
printf("目前共有%d本書.\n",n); 
printf("按任意鍵返回...\n"); 
}
/*結束界面函數*/
end()
{  system("cls");
printf("\t\t********************************\n");
printf("\t\t********************************\n");
printf("\t\t**** 謝謝使用本系統 , 再見! ****\n");
printf("\t\t********************************\n");
printf("\t\t********************************\n");            
}
/*主函數*/
main() 
{ 
char ch1,ch2,ch4; 
do
{ system("cls");
  printf("\t\t********************************\n");   
  printf("\t\t********************************\n");
  printf("\t\t***** 歡迎進入圖書管理系統 *****\n");
  printf("\t\t********************************\n");
  printf("\t\t********************************\n");
  printf(" 請選擇:\n"); 
  printf(" 1:查閱圖書 \n"); 
  printf(" 2:借閱圖書 \n"); 
  printf(" 3:管理系統 \n"); 
  printf(" 4:還書 \n"); 
  printf(" 0:退出 \n"); 
  printf("請輸入0━4:\n"); 
  ch1=getch(); 
  switch(ch1) 
  { 
   case '1':chabook();break; 
   case '2':lendbook();;break; 
   case '3':{ 
      do 
      { 
       system("cls");
       printf("\t\t*******歡迎進入管理系統*******\n"); 
       printf(" 1:增加圖書 \n"); 
       printf(" 2:刪除圖書 \n"); 
       printf(" 3:修改圖書 \n"); 
       printf(" 4:圖書統計 \n"); 
   
       printf(" 5:會員管理系統 \n"); 
       printf(" 0:返回 \n"); 
       printf("請輸入0━5:\n"); 
        ch2=getch(); 
       switch(ch2) 
       { 
        case '1':addbook(); 
        break; 
        case '2':delbook();break; 
        case '3':changebook();break; 
        case '4':bookcount();getch();break; 
       
        case '5':{
            do 
            { 
                                                                   system("cls");
            printf("\t\t····歡迎進入學生管理系統····\n"); 
            printf(" 1: 申請新卡\n"); 
            printf(" 2: 刪除卡號\n"); 
            printf(" 3: 借書統計\n"); 
            printf(" 4: 卡號統計\n"); 
            printf(" 0: 返回\n"); 
            printf("請輸入0━4:\n"); 
             ch4=getch(); 
            switch(ch4) 
             { 
              case '1':addcar();break; 
              case '2':delcar();break; 
              case '3':lendcount();break; 
              case '4':carcount();break; 
              case '0':break; 
              default:printf("無此操作!\n");getch();break;
             } 
            }while(ch4!='0');}break; 
            case '0':break; 
            default:printf("無此操作!\n");getch();break;
           } 
       }                                                          while(ch2!='0');}break; 
       case '4':huanbook();break; 
       case '0':break; 
       default:printf("無此操作!\n");getch();break; 
  } 
}while(ch1!='0'); 
}