#include<string.h>
#include<conio.h>
#include<stdlib.h>
#include<ctype.h>
#define STACK_INIT_SIZE 10
#define OK 1
#define TRUE 1
#define FALSE 0
#define ERROR 0
struct student /*定義學生類型，用於存放借出的書籍*/
{
int carnum;
char lendbook[10];
}student[1000];
struct employ /*定義職工類型*/
{
int employnum;
char employname[15];
int employage;
char employsex[2];
char employleve[10];
long int employtage;
}employ[50];
struct book /*定義書的類型*/
{
int booknum;
char bookname[10];
char bookcreat[10];
int turefalse; /*用於借書和還書模塊判斷壹本書是否借出的條件*/
}book[1000];
struct car /*借書卡的數據類型*/
{
int carnum;
char studentname[10];
int studentclass;
}car[100];
huanbook() /*還書函數*/
{
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];
printf("請妳輸入妳的卡號\n");
scanf("%d",&carnum);
fp=fopen("car.txt","r"); /*讀取卡號記錄*/
for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++) /*for循環判斷卡號是否存在*/
{
if(car[i].carnum==carnum) /*卡號存在，進入下壹循環*/
{
n=i;
fclose(fp);
printf("請輸入妳要還的書的名字\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，進入下壹循環，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，防止因為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為無人借閱的*/
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("妳沒有借這樣的書，任意鍵返回\n"); /*出錯提示*/
fclose(fp);
getch();
return 0;
}
}
printf("系統沒這樣的卡，和管理員聯系,按任意鍵返回\n"); /*出錯提示*/
fclose(fp);
getch();
}
findbook()
{
FILE *fp;
char bookname[10];
int ture,i;
fp=fopen("book.txt","r");
printf("請輸入妳要查找的書名\n");
scanf("%s",bookname);
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(bookname,book[i].bookname)==0)
{
if(book[i].turefalse==1)
{
printf("這本書的詳細資料是：%d %s %s 此書現在無人借閱\n按任意鍵返回\n",book[i].booknum,book[i].bookname,book[i].bookcreat);
}
else {printf("這本書已經有人借出\n");fclose(fp);return 0;}
fclose(fp);
return FALSE;
}
}
printf("沒有妳要查詢的書籍\n");
fclose(fp);
return FALSE;
}
findbook1()
{
FILE *fp;
char bookcreat[10];
int ture,i;
fp=fopen("book.txt","r");
printf("請輸入妳要查找的作者名\n");
scanf("%s",bookcreat);
for(i=0;fread(&book[i],sizeof(struct book),1,fp)!=0;i++)
{
if(strcmp(bookcreat,book[i].bookcreat)==0)
{
if(book[i].turefalse==1)
{
printf("這本書的詳細資料是：%d %s %s 此書現在無人借閱\n按任意鍵返回\n",book[i].booknum,book[i].bookname,book[i].bookcreat);
}
else {printf("這本書已經有人借出\n");fclose(fp);return 0;}
fclose(fp);
return FALSE;
}
}
printf("沒有妳要查詢的書籍\n");
fclose(fp);
return FALSE;
}
lendcount()
{
FILE *fp;
int i,n=0;
fp=fopen("record.txt","r");
for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++)
{
printf("卡號：%d 借出的書籍：%s \n",student[i].carnum,student[i].lendbook);
n=n+1;
}
fclose(fp);
printf("目前***有%d本書借出\n",n);
printf("按任意鍵\n");
getch();
return n;
}
chabook()
{
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,其他輸入非法！\n");
scanf("%s",&ch5);
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 FALSE;
}
lendbook()
{
FILE *fp,*fp2;
int i,n;
int carnum;
printf("請妳輸入妳的卡號\n");
scanf("%d",&carnum);
fp=fopen("car.txt","r");
for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++)
{
if(car[i].carnum==carnum)
{
n=i;
fclose(fp);
printf("請輸入妳要借閱的書的名字\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();return;}
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;
}
}
printf("不存在這樣的書，任意鍵返回\n");
fclose(fp);
getch();
return;
}
}
printf("妳的卡號不存在，請申請新卡,按任意鍵返回\n");
fclose(fp);
getch();
}
carcount()
{
FILE *fp;
int i,n=0;
fp=fopen("car.txt","r");
for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++)
{
printf("第%d張卡<卡號：%d 姓名：%s 班級：%d>\n",i+1,car[i].carnum,car[i].studentname,car[i].studentclass);
n=n+1;
}
fclose(fp);
printf("目前***有%d本書\n",n);
printf("按任意鍵\n");
getch();
}
delcar()
{
FILE *fp,*fp2;
int i;
int carnum;
char choice;
fp=fopen("car.txt","r");
fp2=fopen("bookl.txt","w");
printf("請輸入妳要刪除的卡號\n");
printf("如果妳輸入的卡號存在，系統自動刪除該信息！如果不存在，系統不做任何改動\n");
scanf("%d",&carnum);
for(i=0;fread(&car[i],sizeof(struct car),1,fp)!=0;i++)
{
if(car[i].carnum!=carnum)
{
fwrite(&car[i],sizeof(struct car),1,fp2);
}
}
fclose(fp);
fclose(fp2);
printf("是否真的要刪除該卡？刪除後該書籍的所有信息將無法恢復《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("按任意鍵返回\n");
getch();
return;
}
else
{
printf("按任意鍵返回\n");
getch();
return;
}
}
addcar()
{
FILE *fp;
int i=0;
fp=fopen("car.txt","a+");
printf("請妳輸入卡號\n");
scanf("%d",&car[i].carnum);
printf("請妳輸入學生姓名\n");
scanf("%s",car[i].studentname);
printf("請妳輸入班級\n");
scanf("%d",&car[i].studentclass);
fwrite(&car[i],sizeof(struct car),1,fp);
fclose(fp);
printf("輸入完畢，任意鍵返回\n");
getch();
}