圖書館管理系統源碼
create database library
on primary
(name='library_1',
filename='C:\data\library_1.mdf',
size=5MB,
maxsize=30MB,
filegrowth=15%)
log on
(name='library_2',
filename='C:\data\library_1.ldf',
size=3MB,
maxsize=20MB,
filegrowth=15%)
use library
create table readernote
(readerno char(5) not null primary key,
unit varchar(20) not null,
name varchar(8) not null,
sex char(2) not null,
job varchar(8),
address varchar(20) not null)
insert into readernote values('00001','學校','張3','男','主任')
insert into readernote values('00002','學校','李四','男','學生',')
insert into readernote values('00003','學校','王5','女','主任')
insert into readernote values('00004','學校','趙6','男','教師')
insert into readernote values('00005','學校','徐7','女','教師')
create table book
(bookno char(8) not null primary key,
classno char(5) not null,
bookname varchar(20) not null,
author varchar(8) not null,
cbunit varchar(20) not null,
price int not null)
insert into book values('00000001','00001','計算機網路','張平','清華大學出版社',38)
insert into book values('00000002','00002','計算機組成原理','章江','清華大學出版社',35)
insert into book values('00000003','00003','計算機語言','李明','清華大學出版社',50)
insert into book values('00000004','00004','資料庫設計','劉陽','清華大學出版社',32)
insert into book values('00000005','00005','專業英語','李冬','清華大學出版社',22)
create table borrow
(readerno char(5) not null,
bookno char(8) not null,
borrowdatetime datetime not null,
returndatetime datetime not null,
primary key(readerno,bookno),
foreign key(readerno)references readernote(readerno),
foreign key(bookno)references book(bookno))
insert into borrow values('00001','00000001','2011-01-02','2011-02-01')
insert into borrow values('00002','00000002','2011-02-02','2011-03-01')
insert into borrow values('00003','00000003','2011-03-02','2011-04-01')
insert into borrow values('00004','00000004','2011-04-02','2011-05-01')
insert into borrow values('00005','00000005','2011-05-02','2011-06-01')
create table librarymanager
(jobno char(3) not null primary key,
name varchar(8) not null,
sex char(2) not null,
borndatetime datetime not null,
jobname varchar(10) not null,
salary int not null)
insert into librarymanager values('001','姜某','男','1963-09-11','主任',2000)
insert into librarymanager values('002','王某','女','1964-09-11','副主任',1800)
insert into librarymanager values('003','陳某','男','1980-09-11','管理員',1500)
create login mylogin2
with password='password',
check_policy=off
create user sysadmin for login mylogin2
exec sp_addrolemember 'db_owner','sysadmin'
grant all privileges on dbo.readernote to sysadmin
with grant option
grant all privileges on dbo.borrow to sysadmin
with grant option
grant all privileges on dbo.book to sysadmin
with grant option
grant all privileges on dbo.librarymanager to sysadmin
with grant option
create login mylogin3
with password='password',
check_policy=off
create user admin1 for login mylogin3
exec sp_addrolemember 'db_owner','admin1'
create login mylogin4
with password='password',
check_policy=off
create user admin2 for login mylogin4
exec sp_addrolemember 'db_datareader','admin2'grant all privileges on dbo.readernote to admin1
grant all privileges on dbo.borrow to admin1
grant all privileges on dbo.book to admin1
revoke alter on librarymanager from admin1
grant select on borrow to admin2
create procere st
@jobno int
As select * from librarymanager
Where jobno=@jobno
Create procere st1
@readerno int
As select * from borrow
Where readerno=@readerno
Grant exec on st to admin1
Grant exec on st1 to admin2
exec st @jobno=01
exec st1 @readerno=00001
select * from book
應該比較接近了。你自己再改改
㈡ 求圖書館管理系統C++源代碼
#include<iostream>
#include<fstream>
#include<windows.h>
#include<stdlib.h>
using namespace std;
void mainmenu();
void Manage_Book();
void input_Book();
void input_Reader();
void New_Book();
void Seek_Book();
void Borrow_Manage();
void Borrow_Book();
void Return_Book();
void Output_Message();
void Exit_System();
int u,v=3,k=0;
struct Book
{
char name[20];
int booknumber;
int num_present;
int num_all;
}book[1000];
struct Reader
{
char name[20];
int readernumber;
int card;
}reader[3];
void mainmenu()
{
int Num_Choice1,flag=1;
system("color E");
for(;k<=0;k++)
{
input_Book();
input_Reader();
}
while(flag==1)
{
system("cls");
cout<<"\t\t\t◆◆◆◆◆主菜單◆◆◆◆◆"<<endl
<<"\t\t\t☆ 1.圖書管理 ☆"<<endl
<<"\t\t\t☆ 2.借閱管理 ☆"<<endl
<<"\t\t\t☆ 3.輸出信息 ☆"<<endl
<<"\t\t\t☆ 4.退出系統 ☆"<<endl
<<"\t\t\t◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl;
cout<<"請輸入所需要的服務編碼"<<endl;
cin>>Num_Choice1;
switch(Num_Choice1)
{
case 1:
Manage_Book();
break;
case 2:
Borrow_Manage();
break;
case 3:
Output_Message();
break;
case 4:
Exit_System();
flag=0;
break;
default:
flag=0;
cout<<"輸入有誤!!"<<endl;
}
}
}
void Manage_Book()
{
int flag1=1,Num_Choice2;
system("cls"); while(flag1==1)
{
cout<<"\t\t\t◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl
<<"\t\t\t☆ 1.新書入庫 ☆"<<endl
<<"\t\t\t☆ 2.圖書查詢 ☆"<<endl
<<"\t\t\t☆ 3.返回主菜單 ☆"<<endl
<<"\t\t\t◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl;
cin>>Num_Choice2;
switch(Num_Choice2)
{
case 1:
flag1=2;
New_Book();
break;
case 2:
flag1=2;
Seek_Book();
break;
case 3:
mainmenu();
default:
flag1=1;
cout<<"輸入有誤!"<<endl;
system("pause");
system("cls");
}
}}
void input_Book()
{
cout<<"請依照提示輸入現有的三本圖書的信息："<<endl;
for(int i=0;i<3;i++)
{
cout<<"書名："<<endl;
cin>>book[i].name;
cout<<"書號："<<endl;
cin>>book[i].booknumber;
cout<<"庫存量："<<endl;
cin>>book[i].num_all;
cout<<"現存量："<<endl;
cin>>book[i].num_present;
}
}
void New_Book()
{
system("cls");
int j;
char newbook_name[20];
cout<<"請輸入新書書名："<<endl;
cin>>newbook_name;
for(j=0;j<1000;j++)
{
if(strcmp(newbook_name,book[j].name)==0)
{
book[j].num_all++;
book[j].num_present++;
break;
}
}
if(j==1000)
{
cout<<"請為此新書編號："<<endl;
v++;
cin>>book[v].booknumber;
strcpy(book[v].name,newbook_name);
book[v].num_all=1;
book[v].num_present=1;
}
else cout<<"已有此書，庫存量加一"<<endl;
system("pause");
}
void Seek_Book()
{
system("cls");
int k,booknumber;
cout<<"請輸入所要查詢的書號："<<endl;
cin>>booknumber;
for(k=0;k<1000;k++)
{
if(book[k].booknumber==booknumber)
{
cout<<"書號："<<booknumber<<endl;
cout<<"書名："<<book[k].name<<endl;
cout<<"庫存量："<<book[k].num_all<<endl;
cout<<"現存量："<<book[k].num_present<<endl;
system("pause");
break;
}
}
if(k==1000)
{
cout<<"未找到此書！！"<<endl;
system("pause");
}
}
void Borrow_Manage()
{
int flag=1;
system("cls");
int Num_Choice3;
while(flag==1)
{
cout<<"\t\t\t◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl
<<"\t\t\t☆ 1.借書登記 ☆"<<endl
<<"\t\t\t☆ 2.還書管理 ☆"<<endl
<<"\t\t\t☆ 3.返回主菜單 ☆"<<endl
<<"\t\t\t◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl;
cin>>Num_Choice3;
switch(Num_Choice3)
{
case 1:
flag=2;
Borrow_Book();
break;
case 2:
flag=2;
Return_Book();
break;
case 3:
mainmenu();
default:
flag=1;
cout<<"輸入有誤!!"<<endl;
system("pause");
}
system("cls");
}
}
void input_Reader()
{
system("cls");
cout<<"請依照提示輸入現有的三位讀者的信息："<<endl;
for(int m=0;m<3;m++)
{
cout<<"姓名："<<endl;
cin>>reader[m].name;
cout<<"編號："<<endl;
cin>>reader[m].readernumber;
reader[m].card=0;
}
}
void Borrow_Book()
{
system("cls");
char reader_name[20];
int n,book_number;
cout<<"請輸入讀者姓名："<<endl;
cin>>reader_name;
for(n=0;n<3;n++)
{
if(strcmp(reader_name,reader[n].name)==0)
{
if(reader[n].card!=0)
{
cout<<"已借書，不能再借，請按任意鍵返回"<<endl;
system("pause");
mainmenu();
}
else
break;
}
}
if(n==3)
{
cout<<"無此讀者！輸入有誤！！按任意鍵返回主菜單"<<endl;
system("pause");
mainmenu();
}
cout<<"請輸入所借圖書書號："<<endl;
cin>>book_number;
for(n=0;n<v;n++)
{
if(strcmp(reader_name,reader[n].name)==0)
reader[n].card=book_number;
}
for(n=0;n<v;n++)
{
if(book[n].booknumber==book_number)
{
if(book[n].num_present==0)
{
cout<<"該書已經被借完，請按任意鍵返回"<<endl;
system("pause");
for(n=0;n<v;n++)
{
if(strcmp(reader_name,reader[n].name)==0)
reader[n].card=0;
}
mainmenu();
}
else
{
book[n].num_present--;
cout<<"借書成功，請按任意鍵返回"<<endl;
system("pause");
break;
}
}
}
if(n==v)
{
for(n=0;n<v;n++)
{
if(strcmp(reader_name,reader[n].name)==0)
reader[n].card=0;
}
cout<<"所輸入的書號不存在,請按任意鍵返回主菜單"<<endl;
system("pause");
mainmenu();
}
}void Return_Book()
{
system("cls");
int j;
char reader_name[20];
int book_number;
cout<<"請輸入讀者姓名："<<endl;
cin>>reader_name;
for(j=0;j<3;j++)
{
if(strcmp(reader_name,reader[j].name)==0)
break;
}
if(j==3)
{
cout<<"無此讀者！輸入有誤！！按任意鍵返回主菜單"<<endl;
system("pause");
mainmenu();
}
cout<<"請輸入所還圖書書號："<<endl;
cin>>book_number;
for(j=0;j<3;j++)
{
if(strcmp(reader_name,reader[j].name)==0)
{
if(book_number==reader[j].card)
{
reader[j].card=0;
for(j=0;j<v;j++)
{
if(book[j].booknumber==book_number)
{
book[j].num_present++;
cout<<"還書成功，請按任意鍵返回"<<endl;
system("pause");
break;
}
}
}
else
{
cout<<"該讀者未藉此書"<<endl;
system("pause");
}
}
if(j==v)
cout<<"所輸入的書號不存在："<<endl;
}
}
void Output_Message()
{
system("cls");
int q;
cout<<"以下是圖書信息"<<endl<<endl;
for(q=0;q<v;q++)
{
cout<<"書號："<<book[q].booknumber<<'\t';
cout<<"書名："<<book[q].name<<'\t';
cout<<"庫存量："<<book[q].num_all<<'\t';
cout<<"現存量："<<book[q].num_present<<endl;
}
cout<<"以下是讀者信息"<<endl<<endl;
for(q=0;q<3;q++)
{
cout<<"姓名："<<reader[q].name<<'\t'
<<"編號："<<reader[q].readernumber<<'\t'
<<"所借書號："<<reader[q].card<<endl;
}
system("pause");
}
void Exit_System()
{
system("cls");
cout<<"歡迎下次使用，謝謝"<<endl;
system("pause");
}
void main()
{
mainmenu();
}
㈢ c語言程序設計圖書館源代碼
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
typedef int BOOL;
typedef struct bookinfo
{
char number[15];/*產品編號*/
char name[30];/*產品名稱*/
float price;/*單價*/
char auther[20];/*作者*/
BOOL isExit;/*存在狀態*/
char lendername[20];/*借書人姓名*/
char lendersex[2];/*借書人性別*/
char lendernum[15];/*借書人學號*/
}BOOKINFO;
void menu()
{
printf("\n\n\n\n\n\n\n");
printf("\t\t\t圖書管理系統\n");
printf("\t\t\t1:新進圖書基本信息的輸入\n");
printf("\t\t\t2:顯示全部記錄\n");
printf("\t\t\t3:根據圖書名稱查詢圖書基本信息\n");
printf("\t\t\t4:根據圖書名稱對撤銷的圖書信息進行刪除\n");
printf("\t\t\t5:按照圖書名稱從小大到排序\n");
printf("\t\t\t6:統計某價格以上的圖書數量\n");
printf("\t\t\t7:列出所有未借出去的圖書信息\n");
printf("\t\t\t8:退出\n");
}
void choice_1_input_new()/*輸入新進的圖書信息*/
{
char choice;
FILE *p;
BOOKINFO newbook;
system("cls");
while(1)
{
printf("輸入圖書編號:");
gets(newbook.number);
printf("輸入圖書名稱:");
gets(newbook.name);
printf("輸入圖書單價:");
scanf("%f",&newbook.price);
while(getchar()!='\n');
printf("輸入圖書的作者:");
gets(newbook.auther);
printf("輸入借書人姓名:");
gets(newbook.lendername);
printf("輸入借書人性別:");
gets(newbook.lendersex);
printf("輸入借書人學號:");
gets(newbook.lendernum);
printf("是否保存該條書目?(Y/N)\n");
if(choice=='Y'||choice=='y')
{
newbook.isExit=1;/*將圖書狀態設置成1，表示沒有借出*/
p=fopen("c:\\bookinfo.data","ab");
fwrite(&newbook,sizeof(BOOKINFO),1,p);
fclose(p);
printf("\n該條書目已添加到c:\\bookinfo.data文件中!\n");
}
else
{
printf("\n本條書目未保存!\n");
}
printf("\n是否繼續添加書目?(Y/N)\n");
while(choice!='Y'&&choice!='y'&&choice!='N'&&choice!='n')
if(choice=='Y'||choice=='y')
continue;
else
break;
}
}
void choice_2_display_all()/*顯示全部圖書信息*/
{
FILE *p;
int n;
BOOKINFO bookinfo[100];
int booknumber=0;
system("cls");
p=fopen("c:\\bookinfo.data","rb");
while(!feof(p))
{
fread(&bookinfo[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;
}
/*booknumber--;使用feof()函數會多讀一行，因此需要booknumber自減一次，使書目的數量正確*/
fclose(p);
booknumber--;
if(booknumber==0)
{
printf("沒有任何圖書信息!\n\n");
}
else
{
n=0;
printf(" 圖書信息如下\n");
printf(" 圖書信息 | 借書人信息 \n");
printf("編號 名稱 單價 作者 圖書狀態 | 姓名 性別 學號\n");
while(n<booknumber)
{
printf("%-6s%-12s%-8.1f%-8s%-9d| %-12s%-8s%-8s\n",
bookinfo[n].number,bookinfo[n].name,bookinfo[n].price,
bookinfo[n].auther,bookinfo[n].isExit,bookinfo[n].lendername,
bookinfo[n].lendersex,bookinfo[n].lendernum);
n++;
}
}
printf("\n\n按任意鍵回到主菜單!\n");
}
void choice_3_search_according_name()/*根據圖書名稱顯示圖書的信息*/
{
char search[20]="";/*search用來存放要查詢的書名*/
int n;
FILE *p;
char choice;
BOOKINFO bookinfo[100];
int booknumber=0;
system("cls");
p=fopen("c:\\bookinfo.data","rb");
while(!feof(p))
{
fread(&bookinfo[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;
}
booknumber--;/*使用feof()函數會多讀一行，因此需要booknumber自減一次，使書目的數量正確*/
fclose(p);
while(1)
{
printf("輸入要查詢的書本名稱:");
gets(search);
if(booknumber==0)
{
printf("書庫中沒有任何信息!\n\n");
printf("按任意鍵回到主菜單!\n\n");
getch();
break;
}/*if結束*/
else
{
for(n=0;n<booknumber;n++)
if(strcmp(bookinfo[n].name,search)==0)
{
printf("該書的詳細信息如下:\n");
printf(" 圖書信息 | 借書人信息 \n");
printf("編號 名稱 單價 作者 圖書狀態 | 姓名 性別 學號\n");
printf("%-6s%-12s%-8.1f%-8s%-9d| %-12s%-8s%-8s\n",
bookinfo[n].number,bookinfo[n].name,bookinfo[n].price,
bookinfo[n].auther,bookinfo[n].isExit,bookinfo[n].lendername,
bookinfo[n].lendersex,bookinfo[n].lendernum);
break;
}
if(n>=booknumber)
printf("沒有查找該書的任何信息!\n");
printf("\n\n是否繼續查詢?(Y/N)\n");
choice=getch();
while(choice!='Y'&&choice!='y'&&choice!='N'&&choice!='n')
choice=getch();
if(choice=='Y'||choice=='y')
continue;
else
break;
}/*else結束*/
}/*while(1)結束*/
}
void choice_4_delete_according_name()/*根據圖書名稱對圖書信息進行刪除*/
{
char search[20]="";/*search用來存放要刪除的書名*/
int n,i;
FILE *p;
char choice;
BOOKINFO bookinfo[100];
int booknumber;
system("cls");
while(1)
{
printf("輸入要刪除的書本名稱:");
gets(search);
p=fopen("c:\\bookinfo.data","rb");
booknumber=0;
while(!feof(p))
{
fread(&bookinfo[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;
}
booknumber--;/*使用feof()函數會多讀一行，因此需要booknumber自減一次，使書目的數量正確*/
fclose(p);
if(booknumber==0)
{
printf("書庫中沒有任何信息!\n\n");
printf("按任意鍵回到主菜單!\n\n");
getch();
break;
}/*if結束*/
else
{
for(n=0;n<booknumber;n++)
if(strcmp(bookinfo[n].name,search)==0)
{
break;
}
if(n>=booknumber)
printf("沒有查找該書的任何信息!\n");
else
{
printf("是否確認需要刪除該條書目?(Y/N)");
choice=getch();
while(choice!='Y'&&choice!='y'&&choice!='N'&&choice!='n')
choice=getch();
if(choice=='Y'||choice=='y')
{
for(i=n;i<booknumber-1;i++)
bookinfo[i]=bookinfo[i+1];
booknumber--;
p=fopen("c:\\bookinfo.data","wb");
for(n=0;n<booknumber;n++)
fwrite(&bookinfo[n],sizeof(BOOKINFO),1,p);
fclose(p);
printf("刪除成功!\n");
}
else
printf("\n\n該條書目沒有被刪除!");
}
printf("\n\n是否繼續進行刪除操作?(Y/N)\n");
choice=getch();
while(choice!='Y'&&choice!='y'&&choice!='N'&&choice!='n')
choice=getch();
if(choice=='Y'||choice=='y')
continue;
else
break;
}/*else結束*/
}/*while(1)結束*/
}
void choice_5_sort_according_name()/*根據圖書名稱排序*/
{
FILE *p;
int m,n;
BOOKINFO temp;
BOOKINFO bookinfo[100];
int booknumber;
p=fopen("c:\\bookinfo.data","rb");
booknumber=0;
system("cls");
while(!feof(p))
{
fread(&bookinfo[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;
}
booknumber--;/*使用feof()函數會多讀一行，因此需要booknumber自減一次，使書目的數量正確*/
fclose(p);
if(booknumber==0)
{
printf("沒有任何圖書信息!\n\n");
}
else
{
for(m=0;m<booknumber-1;m++)
for(n=m+1;n<booknumber;n++)
if(strcmp(bookinfo[m].name,bookinfo[n].name)>0)
{
temp=bookinfo[m];
bookinfo[m]=bookinfo[n];
bookinfo[n]=temp;
}
p=fopen("c:\\bookinfo.data","wb");
for(m=0;m<booknumber;m++)
fwrite(&bookinfo[m],sizeof(BOOKINFO),1,p);
fclose(p);
printf("\n\n完成排序!\n\n");
}
printf("按任意鍵回到主菜單!\n");
getch();
}
void choice_6_display_high_price()/*根據價格列出圖書信息*/
{
float price;
FILE *p;
int n;
int count=0;
BOOKINFO bookinfo[100];
int booknumber;
system("cls");
printf("請輸入價格:");
scanf("%f",&price);
p=fopen("c:\\bookinfo.data","rb");
booknumber=0;
while(!feof(p))
{
fread(&bookinfo[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;
}
booknumber--;/*使用feof()函數會多讀一行，因此需要booknumber自減一次，使書目的數量正確*/
fclose(p);
if(booknumber==0)
{
printf("沒有任何圖書信息!\n\n");
}
else
{
for(n=0;n<booknumber;n++)
{
if(bookinfo[n].price>=price)
count++;
}
if(count==0)
printf("書庫中沒有比%.1f$價格高的圖書!",price);
else
{
printf(" 價格高於%.1f$的圖書信息如下\n",price);
printf(" 圖書信息 | 借書人信息 \n");
printf("編號 名稱 單價 作者 圖書狀態 | 姓名 性別 學號\n");
for(n=0;n<booknumber;n++)
{
if(bookinfo[n].price>=price)
printf("%-6s%-12s%-8.1f%-8s%-9d| %-12s%-8s%-8s\n",
bookinfo[n].number,bookinfo[n].name,bookinfo[n].price,
bookinfo[n].auther,bookinfo[n].isExit,bookinfo[n].lendername,
bookinfo[n].lendersex,bookinfo[n].lendernum);
}
}
}
printf("\n\n按任意鍵回到主菜單!\n");
getch();
}
void choice_7_display_according_exitflag()/*根據存在狀態列出圖書信息*/
{
FILE *p;
int n;
int count=0;
BOOKINFO bookinfo[100];
int booknumber;
system("cls");
booknumber=0;
p=fopen("c:\\bookinfo.data","rb");
while(!feof(p))
{
fread(&bookinfo[booknumber],sizeof(BOOKINFO),1,p);
booknumber++;
}
booknumber--;
fclose(p);
if(booknumber==0)
{
printf("書庫中沒有任何書目存在!\n");
}
else
{
for(n=0;n<booknumber;n++)
if(bookinfo[n].isExit==1)
count++;
if(count==0)
printf("書庫中的書籍全部借出!\n");
else
{
printf("書庫中未被借出的圖書信息如下:\n\n");
printf(" 圖書信息 | 借書人信息 \n");
printf("編號 名稱 單價 作者 圖書狀態 | 姓名 性別 學號\n");
for(n=0;n<booknumber;n++)
if(bookinfo[n].isExit==1)
{
printf("%-6s%-12s%-8.1f%-8s%-9d| %-12s%-8s%-8s\n",
bookinfo[n].number,bookinfo[n].name,bookinfo[n].price,
bookinfo[n].auther,bookinfo[n].isExit,bookinfo[n].lendername,
bookinfo[n].lendersex,bookinfo[n].lendernum);
}
}
}
printf("\n按任意鍵返回主菜單!\n");
getch();
}
void main()
{
char choice;
clock_t tm;
FILE *p;
if((p=fopen("c:\\bookinfo.data","rb"))==NULL)
{
p=fopen("c:\\bookinfo.data","wb");
fclose(p);
}
while(1)
{
system("cls");
menu();
choice=getch();
switch(choice)
{
case '1':choice_1_input_new();break;/*輸入新進的圖書信息*/
case '2':choice_2_display_all();break;/*顯示全部圖書信息*/
case '3':choice_3_search_according_name();break;/*根據圖書名稱顯示圖書的信息*/
case '4':choice_4_delete_according_name();break;/*根據圖書名稱對圖書信息進行刪除*/
case '5':choice_5_sort_according_name();break;/*根據圖書名稱排序*/
case '6':choice_6_display_high_price();break;/*根據價格列出圖書信息*/
case '7':choice_7_display_according_exitflag();break;/*根據存在狀態列出圖書信息*/
case '8':printf("\n\n\t\t\t謝謝使用,再見!\n\t\t\t按任意鍵退出!\n");getch();return;
default:
printf("\n\n\t\t\t請輸入菜單中的數字!(1~8)");
tm=clock();
while(clock()<tm+1800);
break;
}
}
}
㈣ 高分懸賞急求一段源代碼
#include<iostream>
#include<fstream>
#include<conio.h>
using namespace std;
class Librarian //圖書管理員類
{
public:
Librarian();
Librarian(int n,int j,char na[20],int w );
int getnumber();
int getjobage();
char *getname();
int getwages();
void resetjobage(int j);
void resetwages(int w);
void resetname(char na[20]);
private:
int number;
int jobage;
char name[20];
int wages;
};
Librarian::Librarian() //其函數的實現
{
number=0;
char b[20]="no one";
jobage=0;
strcpy(name,b);
}
Librarian::Librarian(int n,int j,char na[20],int w)
{
number=n;
jobage=j;
strcpy(name,na);
wages=w;
}
int Librarian::getjobage()
{return jobage;}
char *Librarian::getname()
{return name;}
int Librarian::getnumber()
{return number;}
int Librarian::getwages()
{return wages;}
void Librarian::resetjobage(int j)
{
jobage=j;
}
void Librarian::resetname(char na[20])
{
strcpy(name,na);
}
void Librarian::resetwages(int w)
{
wages=w;
}
class reader //讀者類
{
private:
int number;
int age;
char name[20];
char borrowbook[20];
public:
reader();
reader(int c,int a,char b[20],char e[20]);
int getnumber();
int getage();
char *getname();
char * getborrowbook();
void reworkborrowbook(char a[20]);
};
reader::reader() //其函數的實現
{
char a[20]="沒有人";
char c[20]="沒有借書";
number=0;
age=0;
}
reader::reader(int a,int c,char d[20],char e[20])
{
number=a;
age=c;
strcpy(name,d);
strcpy(borrowbook,e);
}
int reader::getnumber(){return number;}
int reader::getage(){return age;}
char *reader::getname(){return name;}
char * reader::getborrowbook(){return borrowbook;}
void reader::reworkborrowbook(char a[20]){strcpy(borrowbook,a);}
struct book //圖書的結構體
{
int num;
char name[20];
char writer[20];
};
void outbookinf() //輸出所有圖書信息
{
int i;
ifstream infile("allbook.txt",ios::in);
char line[50];
cout<<"書名"<<'\t'<<"書號"<<'\t'<<"作者"<<endl;
for(i=1;i<=10;i++)
{
infile.getline(line,50,'\n');
cout<<line<<endl;
}
infile.close();
}
void serchLaninf() //圖書管理員信息函數
{
int n,i;
ifstream file("serchLaninf.txt");
if(file) { file>>n; file.close();}
else {cout<<"沒有圖書管信息理員"; exit(0);}
ifstream is("controlloer.txt",ios_base::binary);
if(is)
{
Librarian *A=new Librarian[n];
for(i=0;i<n;i++)
{
is.read((char *)&A[i],sizeof(A[i]));
}
for(i=0;i<n;i++)
{
cout<<"編號"<<'\t'<<"工齡"<<'\t'<<"名字"<<'\t'<<"工資"<<endl;
cout<<A[i].getnumber()<<"\t"<<A[i].getjobage()<<"\t"<<A[i].getname()<<"\t"<<A[i].getwages()<<endl;
}
}
else
{
cout<<"txt文件打開出錯'"<<endl;
}
is.close();
}
void libary() //圖書館的總信息
{
system("cls");
system("color 2e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<"本校圖書館由本部圖書館及彭州校區圖書館組成，圖書館總面積達了****平方米";
cout<<" （本館現在有***類書籍***萬冊，****類書籍****萬冊，****類書籍****萬冊****類書籍****萬冊），";
cout<<"圖書館現有工作人員***名";
cout<<"圖書館現有的現代化設備價值超過****萬元………………"<<endl;
}
void storelibrarian() //存入新的管理員的信息
{
int age,n,num,wage;
char name[20];
ifstream file("serchLaninf.txt");
if(file) { file>>n; file.close();}
else { n=0;}
cout<<"已有的圖書管理員個數：";
cout<<n<<endl;
cout<<"請輸入新圖書管理員的編號和工齡,名字和工資:";
cin>>num>>age>>name>>wage;
Librarian A(num,age,name,wage);
cout<<"編號 工齡 名字 工資 "<<endl;
cout<<A.getnumber()<<" "<<A.getjobage()<<" "<<A.getname()<<" "<<A.getwages()<<endl;
ofstream outfile("controlloer.txt",ios_base::app );
outfile.write((char *)&A,sizeof(A));
outfile.close();
n++;
ofstream tfile("serchLaninf.txt");
tfile<<n;
tfile.close();
cout<<"保存成功！";
}
void reLaninf() //修改圖書管理員
{
int i,n,h,jobage,wage,j;
char name[20];
ifstream file("serchLaninf.txt");
if(file) { file>>n; file.close();}
else {cout<<"沒有圖書管信息理員";
exit(0);}
cout<<"已有的圖書管理員個數：";
cout<<n<<endl;
Librarian *A=new Librarian[n];
ifstream is("controlloer.txt",ios_base::binary);
if(is)
{
for(i=0;i<n;i++)
{
is.read((char *)&A[i],sizeof(A[i]));
}
for(i=0;i<n;i++)
{
cout<<"編號 工齡 名字 工資"<<endl;
cout<<A[i].getnumber()<<" "<<A[i].getjobage()<<" "<<A[i].getname()<<" "<<A[i].getwages()<<endl;
}
}
else
{
cout<<"打開文件出錯"<<endl;
}
is.close();
cout<<"請選擇你要修改的管理員編號：";
cin>>h;
cout<<"輸入新的工齡，名字，工資:";
cin>>jobage>>name>>wage;
A[h-1].resetjobage(jobage);
A[h-1].resetname(name);
A[h-1].resetwages(wage);
cout<<"該管理員修改後的名字是："<<A[h-1].getname()<<" 工齡是:"<<A[h-1].getjobage()<<" 工資是:"<<A[h-1].getwages()<<endl;
ofstream tfile("controlloer.txt",ios_base::binary);
for(j=0;j<n;j++)
{
tfile.write((char *)&A[j],sizeof(A[j]));
}
tfile.close();
}
void aadbook() //新增圖書
{
int num;char name[12];char writer[10];int n;
a:
ofstream fout("allbook.txt",ios::app);
cout<<"請錄入圖書信息:"<<endl;
cout<<"書名"<<'\t'<<"書號"<<'\t'<<"作者"<<endl;
cin>>name;fout<<name<<'\t';
cin>>num;fout<<num<<'\t';
cin>>writer;fout<<writer<<'\n';
fout.close();
cout<<"是否繼續錄入?1.是2.否"<<endl;
cin>>n;
if(n==1)
goto a;
else
{void studentland();
studentland();}
}
void delate() //刪除函數
{ int m;
cout<<"選擇操作選項:"<<endl;
cout<<" 1.刪除全部信息"<<endl;
cout<<" 2.單個刪除"<<endl;
cin>>m;
if(m==1)
{ofstream file("allbook.txt",ios::trunc);
cout<<"全部刪除完畢，按任意鍵返回!"<<endl;
file.close();
getch();
system("cls");
void studentland();
studentland();
}
char str[10][80],buf[20];
a:
int i=0,flag=100,c=0;
ifstream fin("allbook.txt");
if(!fin){
cout<<"文件打開失敗!"<<endl;
getch();
system("cls");
void studentland();
studentland();
}
cout<<"請輸入你要刪除的書名："<<endl;
cin>>buf;
strcat(buf,"\t");
while(fin.getline(str[i],80))
{
if(strncmp(str[i],buf,strlen(buf))==0)
{
flag=i;
}
i++;
}
fin.close();
if(flag==100)
{
cout<<"沒有你所要刪除的書籍！重新按1，否則0....."<<endl;
int b;
cin>>b;
if(b==1)goto a;
else c=1;
}
if(c==0){
ofstream fout("allbook.txt");
for(int j=0;j<i;j++){
if(j==flag)continue;
fout<<str[j]<<endl;
}
fout.close();
cout<<"你要刪除的書籍的信息已刪除,繼續按1，否則按0....."<<endl;
int b;
cin>>b;
if(b==1)goto a;
}
cout<<"操作已經結束，按任意鍵返回......"<<endl;
getch();
system("cls");
void studentland();
studentland();
}
void searchbook() // 查找書籍
{
a:
ifstream fin;
int flag=0,b,length;
char str[20];
char f[200];char g[200];
fin.open("allbook.txt");
if(!fin)
{
cout<<"Open f1.dat error....."<<endl;
exit(1);
}
while(1)
{
cout<<"請輸入書名：";
cin>>str;
strcat(str,"\t");
length=strlen(str);
cout<<"------------------------------------"<<endl;
while(fin.getline(f,199))
{
strcpy(g,f);
if(strncmp(str,f,length)==0)
{
flag=1;
break;
}
}
if(flag==1)
{
cout<<"所查詢的書已經找到："<<'\n';
cout<<"--------------------------------"<<endl;
cout<<"書名"<<'\t'<<"書號"<<'\t'<<"作者"<<'\t'<<endl;
cout<<g<<endl;
cout<<"--------------------------------"<<endl;
flag=0;
cout<<"要繼續查詢按1，否則按0："<<endl;
cin>>b;
if(b==0)break;
}
else
{
fin.close();
cout<<"沒有此書,繼續按1，否則按0..."<<endl;
cin>>b;
if(b==0)break;
goto a;
}
}
fin.close();
cout<<"查詢完畢，按任意鍵返回......"<<endl;
getch();
system("cls");
void studentland();
studentland();
}
void seachreader() // 查詢讀者信息
{
a:
ifstream fin;
int flag=0,b,length;
char str[20];
char f[200];char g[200];
fin.open("readernum.txt");
if(!fin)
{
cout<<"沒有此信息文件！"<<endl;
exit(1);
}
while(1)
{
cout<<"請輸入你要查找讀者的名字:";
cin>>str;
strcat(str,"\t");
length=strlen(str);
cout<<"------------------------------------"<<endl;
while(fin.getline(f,199))
{
strcpy(g,f);
if(strncmp(str,f,length)==0)
{
flag=1;
break;
}
}
if(flag==1)
{
cout<<"所查詢的讀者已經找到："<<'\n';
cout<<"--------------------------------"<<endl;
cout<<"名字"<<'\t'<<"編號"<<'\t'<<"年齡"<<'\t'<<"借書次數"<<endl;
cout<<g<<endl;
cout<<"--------------------------------"<<endl;
flag=0;
cout<<"要繼續查詢按1，否則按0："<<endl;
cin>>b;
if(b==0)break;
goto a;
}
else
{
fin.close();
cout<<"沒有此人,繼續按1，否則按0..."<<endl;
cin>>b;
if(b==0)break;
goto a;
}
}
fin.close();
cout<<"查詢完畢，按任意鍵返回......"<<endl;
getch();
system("cls");
void studentland();
studentland();
}
/*void seachreader() //查詢讀者的信息
{
int i,b,h=0;
char a[20];
ifstream file("readernum.txt");
if(file) { file>>b; file.close();}
else { cout<<"沒有文件";}
cout<<"已有的讀者個數：";
cout<<b<<endl;
reader *A=new reader[b];
ifstream is("reader.txt",ios_base::binary);
if(is)
{
for(i=0;i<b;i++)
{
is.read((char *)&A[i],sizeof(A[i]));
}
}
else
{
cout<<"txt文件打開出錯"<<endl;
}
is.close();
cout<<"請輸入你要查找讀者的名字：";
cin>>a;
for(i=0;i<b;i++)
{
if(strcmp(A[i].getname(),a)==0)
{
cout<<"編號 年齡 名字 借書情況 "<<endl;
cout<<A[i].getnumber()<<" "<<A[i].getage()<<" "<<A[i].getname()<<" "<<A[i].getborrowbook()<<endl;
h++;
}
}
if(h==0)cout<<"沒有這個讀者！";
}
*/
void Librarianland() //管理員登陸函數
{
int q,l=1,i,h;
system("cls");
system("color 2e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<"現在進行身份確認，請輸入口令：";
cin>>i;
while(l)
{
if(i==00000)
{
system("cls");
system("color 3e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<"|*******" <<"0,返回上一級菜單."<<" ******|"<<endl;
cout<<" "<<"|*******" <<"1,查詢圖書館管理員的信息"<<" ******|"<<endl;
cout<<" "<<"|*******" <<"2,存入新的管理員信息. "<<" ******|"<<endl;
cout<<" "<<"|*******" <<"3,修改圖書管理員的信息"<<" ******|"<<endl;
cout<<" "<<"|*******" <<"4,新增圖書"<<" ******|"<<endl;
cout<<" "<<"|*******" <<"5,刪除圖書"<<" ******|"<<endl;
cout<<"請選擇執行的操作：";
cin>>q;
if(q>=0&&q<6)
{
switch(q)
{
case 0:
l=0;
break;
case 1:serchLaninf();
system("pause");
break;
case 2:storelibrarian();
system("pause");
case 3:reLaninf();
system("pause");
break;
case 4:
void aadbook();
aadbook();
break;
case 5:
void delate();
delate();
break;
default:
break;
}
}
else
{
system("cls");
system("color 4e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<"操作無效！"<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
system("pause");
}
}
else
{
system("cls");
system("color 2e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<" 身份確認失敗"<<endl;
cout<<" "<<" 是否重新確認！"<<endl;
cout<<" "<<"重新確認請按請按1,放棄請按0"<<endl;
cout<<" ";
cin>>h;
if(h==0) l=0;
if(h==1)
{
system("cls");
system("color 2e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<"請再次輸入口令：";
cin>>i;
}
}
}
}
void studentland() //學生登陸函數
{
int h;
char l='y';
while(l=='y')
{
system("cls");
system("color 3e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<"****** "<<"|輸出藏書信息,請按1 | "<<"******"<<endl;
cout<<" "<<"****** "<<"|查詢圖書館的總信息，請按2| "<<"******"<<endl;
cout<<" "<<"****** "<<"|按書名查找圖書,請按3 | "<<"******"<<endl;
cout<<" "<<"****** "<<"|查詢讀者的信息,請按4 | "<<"******"<<endl;
cout<<" "<<" ****** "<<"|返回上一級菜單,請按0 | "<<"******"<<endl;
cout<<"請選擇您將執行的操作:";
cin>>h;
if(h>=0&&h<5)
switch(h)
{
case 0:
l='n';
break;
case 1:outbookinf();
system("pause");
break;
case 2:libary();
system("pause");
break;
case 3:searchbook();
system("pause");
break;
case 4:seachreader();
system("pause");
break;
}
else
{
system("cls");
system("color 4e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<"您的操作是無效的！！！！"<<endl;
system("pause");
}
}
}
void main() // 主函數
{
int h,l=1;
while(l)
{
system("cls");
system("color 7c");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<"圖書管理系統"<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" ------------------"<<endl;
cout<<" "<<"||管理員登陸 請按1||"<<endl;
cout<<" "<<"||學生登陸 請按2 ||"<<endl;
cout<<" "<<"||退出系統 請按0 ||"<<endl;
cout<<" -------------------"<<endl;
cout<<""<<endl;
cout<<" 請您選擇登陸方式：";
cin>>h;
if(h>=0&&h<3)
{
switch(h)
{
case 0:
cout<<"謝謝光臨本圖書館！"<<endl;
exit(0);
case 1:
Librarianland();
system("pause");
break;
case 2:
studentland();
system("pause");
break;
}
}
else
{
system("cls");
system("color 4e");
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<endl;
cout<<" "<<"您的操作是無效的！！！！"<<endl;
system("pause");
}
}
}
圖書館的管理系統。
㈤ C++圖書館管理系統源代碼
/*****************************************************************************************/
#include <iostream>
#include <iomanip>
#include <cstring>
#include <fstream>//輸入/輸出文件流類
using namespace std;
const int Maxr=100;//最多的讀者
const int Maxb=100;//最多的圖書
const int Maxbor=5;//每位讀者最多借五本書
//讀者類,實現對讀者的信息的描述
class Reader
{
private:
int tag; //刪除標記 1:已刪 0:未刪
int no; //讀者編號
char name[10]; //讀者姓名
int borbook[Maxbor];//所借圖書
public:
Reader() {}
char *getname() {return name;} //獲取姓名
int gettag() {return tag;} //獲取刪除標記
int getno() {return no;} //獲取讀者編號
void setname(char na[]) //設置姓名
{
strcpy(name,na);
}
void delbook(){ tag=1; }//設置刪除標記 1:已刪 0:未刪
void addreader(int n,char *na)//增加讀者
{
tag=0;
no=n;
strcpy(name,na);
for(int i=0;i<Maxbor;i++)
borbook[i]=0;
}
void borrowbook(int bookid)//借書操作
{
for(int i=0;i<Maxbor;i++)
{
if (borbook[i]==0)
{
borbook[i]=bookid;
return;
}
}
}
int retbook(int bookid)//還書操作
{
for(int i=0;i<Maxbor;i++)
{
if(borbook[i]==bookid)
{
borbook[i]=0;
return 1;
}
}
return 0;
}
void disp()//讀出讀者信息
{
cout << setw(5) << no <<setw(10) << name<<"借書編號：[";
for(int i=0;i<Maxbor;i++)
if(borbook[i]!=0)
cout << borbook[i] << "|";
cout << "]"<<endl;
}
};
//讀者類庫，實現建立讀者的個人資料
class RDatabase
{
private:
int top; //讀者記錄指針
Reader read[Maxr];//讀者記錄
public:
RDatabase() //構造函數，將reader.txt讀到read[]中
{
Reader s;
top=-1;
fstream file("reader.txt",ios::in);//打開一個輸入文件
while (1)
{
file.read((char *)&s,sizeof(s));
if (!file)break;
top++;
read[top]=s;
}
file.close(); //關閉 reader.txt
}
void clear()//刪除所有讀者信息
{
top=-1;
}
int addreader(int n,char *na)//添加讀者時先查找是否存在
{
Reader *p=query(n);
if (p==NULL)
{
top++;
read[top].addreader(n,na);
return 1;
}
return 0;
}
Reader *query(int readerid)//按編號查找
{
for (int i=0;i<=top;i++)
if (read[i].getno()==readerid &&
read[i].gettag()==0)
{
return &read[i];
}
return NULL;
}
void disp() //輸出所有讀者信息
{
for (int i=0;i<=top;i++)
read[i].disp();
}
void readerdata();//讀者庫維護
~RDatabase() //析構函數，將read[]寫到reader.txt文件中
{
fstream file("reader.txt",ios::out);
for (int i=0;i<=top;i++)
if (read[i].gettag()==0)
file.write((char *)&read[i],sizeof(read[i]));
file.close();
}
};
void RDatabase::readerdata()
{
char choice;
char rname[20];
int readerid;
Reader *r;
while (choice!='0')
{
cout <<"\n\n\t\t\t讀 者 維 護\n\n\n\t\t 1 新 增\n\n\t\t 2 更 改\n\n\t\t 3 刪 除\n\n\t\t 4 查 找\n\n\t\t 5 顯 示\n\n\t\t 6 全 刪\n\n\t\t 0 退 出"<<endl;
cin >> choice;
switch (choice)
{
case '1':
cout << "輸入讀者編號:";
cin >> readerid;
cout << "輸入讀者姓名:";
cin >> rname;
addreader (readerid,rname);
break;
case '2':
cout << "輸入讀者編號:";
cin >> readerid;
r=query(readerid);
if (r==NULL)
{
cout << " 該讀者不存在 "<<endl;
break;
}
cout << "輸入新的姓名:";
cin >> rname;
r->setname(rname);
break;
case '3':
cout << " 輸入讀者編號:";
cin >> readerid;
r=query(readerid);
if (r==NULL)
{
cout <<" 該讀者不存在" << endl;
break;
}
r->delbook();
break;
case '4':
cout << "讀入讀者編號:";
cin >> readerid;
r=query(readerid);
if (r==NULL)
{
cout <<"該讀者不存在"<< endl;
break;
}
r->disp();
break;
case '5':
disp();
break;
case '6':
clear();
break;
default:cout<<"輸入錯誤，請從新輸入：";break;
}
}
}
//圖書類，實現對圖書的描述，圖書的編號，書名，借出，還入等
class Book
{
private:
int tag;//刪除標記 1:已刪 0:未刪
int no;//圖書編號
char name[20];//書名
int onshelf;//是否再架 1:再架 2:已借
public:
Book(){}
char *getname() { return name; }//獲取姓名
int getno(){ return no; }//獲取圖書編號
int gettag(){ return tag; }//獲取刪除標記
void setname(char na[])//設置書名
{
strcpy(name,na);
}
void delbook(){ tag=1;}//刪除圖書
void addbook(int n,char *na)//增加圖書
{
tag=0;
no=n;
strcpy(name,na);
onshelf=1;
}
int borrowbook()//借書操作
{
if (onshelf==1)
{
onshelf=0;
return 1;
}
return 0;
}
void retbook()//還書操作
{
onshelf=1;
}
void disp()//輸出圖書
{
cout << setw(6) << no << setw(18) << name << setw(10)
<<(onshelf==1? "在架":"已借") <<endl;
}
};
//圖書庫類，實現對圖書的維護，查找，刪除等
class BDatabase
{
private:
int top; //圖書記錄指針
Book book[Maxb]; //圖書記錄
public:
BDatabase()//構造函數，將book.txt讀到book[]中
{
Book b;
top=-1;
fstream file("book.txt",ios::in);
while (1)
{
file.read((char *)&b,sizeof(b));
if (!file) break;
top++;
book[top]=b;
}
file.close();
}
void clear()//全刪
{
top=-1;
}
int addbook(int n,char *na)//增加圖書
{
Book *p=query(n);
if (NULL==p)
{
top++;
book[top].addbook(n,na);
return 1;
}
return 0;
}
Book *query(int bookid)//查找圖書
{
for (int i=0;i<=top;i++)
if (book[i].getno()==bookid &&book[i].gettag()==0)
{
return &book[i];
}
return NULL;
}
void bookdata();//圖書庫維護
void disp()
{
for (int i=0;i<=top;i++)
if (book[i].gettag()==0)
book[i].disp();
}
~BDatabase()//析構函數，將book[]寫到book.txt文件中
{
fstream file("book.txt",ios::out);
for (int i=0;i<=top;i++)
if (book[i].gettag()==0)
file.write((char *)&book[i],sizeof(book[i]));
file.close();
}
};
void BDatabase::bookdata()
{
char choice;
char bname[40];
int bookid;
Book *b;
while (choice!='0')
{
cout <<"\n\n\n\t\t\t圖 書 維 護 "<<endl<<endl;
cout<<"\t\t1 新 增\n \t\t2 更 改\n\t\t3 刪 除\n\t\t4 查 找\n\t\t5 顯 示\n\t\t6 全 刪\n\t\t0 退 出"<<endl;
cin >> choice;
switch (choice)
{
case '1':
cout << "輸入圖書編號:"<<endl;
cin >> bookid;
cout << "輸入圖書書名:"<<endl;
cin >> bname;
addbook(bookid,bname);
break;
case '2':
cout << "輸入圖書編號:"<<endl;
cin >> bookid;
b=query(bookid);
if (b==NULL)
{
cout << " 該圖書不存在 "<<endl;
break;
}
cout << "輸入新的書名:"<<endl;
cin >> bname;
b->setname(bname);
break;
case '3':
cout <<" 讀入圖書編號:"<<endl;
cin >> bookid;
b=query(bookid);
if (b==NULL)
{
cout <<" 該圖書不存在" << endl;
break;
}
b->delbook();
break;
case '4':
cout << " 讀入圖書編號:"<<endl;
cin >> bookid;
b=query(bookid);
if (b==NULL)
{
cout <<" 該圖書不存在"<< endl;
break;
}
b->disp();
break;
case '5':
disp();
break;
case '6':
clear();
break;
default:cout<<"輸入錯誤，請從新輸入:";
}
}
}
//main() 函數的實現，程序的主界面的引導
int main(void)
{
char choice;
int bookid,readerid;
RDatabase ReaderDB;
Reader *r;
BDatabase BookDB;
Book *b;
while(choice!='0')
{
cout <<endl<<endl<<"\t\t\t 圖 書 管 理 系 統\n\n\n";
cout <<"\t\t\t1 借 書\n\n\t\t\t2 還 書 \n\n\t\t\t3 圖 書 維 護\n\n\t\t\t4 讀 者 維 護\n\n\t\t\t0 離 開"<<endl;
cin >> choice;
switch (choice)
{
case '1':
cout <<" 借書 讀者編號:";
cin >>readerid;
cout <<" 圖書編號： ";
cin >>bookid;
r=ReaderDB.query(readerid);//按編號查找
if (NULL==r)
{
cout <<" 不存在該讀者，不能借書"<< endl;
break;
}
b=BookDB.query(bookid);
if (b==NULL)
{
cout <<" 不存在該圖書，不能借書"<< endl;
break;
}
if (b->borrowbook()==0)
{
cout << " 該圖書已借出，不能借書"<< endl;
break;
}
r->borrowbook(b->getno());
break;
case '2':
cout<<"還書\n 讀者編號:";
cin >>readerid;
cout << " 圖書編號:";
cin >>bookid;
r=ReaderDB.query(readerid);
if (r==NULL)
{
cout <<" 不存在該讀者，不能還書" << endl;
break;
}
b=BookDB.query(bookid);
if (b==NULL)
{
cout <<" 不存在該圖書，不能還書" <<endl;
break;
}
b->retbook();
r->retbook(b->getno());
break;
case '3':
BookDB.bookdata();
break;
case '4':
ReaderDB.readerdata();
break;
default:cout<<"輸入錯誤，請從新輸入：";
}
}
return 0;
}