rdatabase.cpp

图书管理系统

#include <iostream>  
#include <iomanip>  
#include <string>  
//输入/输出文件流类  
#include <fstream>  
using namespace std;  
//最多的读者  
const int Maxr=100;  
//最多的图书  
const int Maxb=100;  
//每位读者最多借五本书  
const int Maxbor=5; 
#include "rdatabase.h"
void RDatabase::readerdata()  
{  

char choice;  
char rname[20];  
int readerid;  
Reader *r;  
while (choice!='0')  
{  
	cout<<"\t\t\t  ╭───────────╮\n";
	cout<<"\t\t\t  │       读者管理       ∣\n";
	cout<<"\t\t\t  ├───────────┤\n";
	cout<<"\t\t\t  ∣ 1.新增               ∣\n"; 
	cout<<"\t\t\t  ∣ 2.更改               ∣\n";
	cout<<"\t\t\t  ∣ 3.删除               ∣\n";
	cout<<"\t\t\t  ∣ 4.查找               ∣\n";
	cout<<"\t\t\t  ∣ 5.显示               ∣\n";
	cout<<"\t\t\t  ∣ 6.全部删除           ∣\n";
	cout<<"\t\t\t  ∣ 0.退出               ∣\n";
	cout<<"\t\t\t　╰───────────╯\n";
	cin >> choice;  
switch (choice)  
{  
case '1':  
cout << "输入读者编号:";  
cin >> readerid;  
cout << "输入读者姓名:";  
cin >> rname;  
addreader (readerid,rname);  
break;  
case '2':  
cout << "输入读者编号:";  
cin >> readerid;  
r=query(readerid);  
if (r==NULL)  
{  
cout << " 该读者不存在 "<<endl;  
break;  
}  
cout << "输入新的姓名:";  
cin >> rname;  
r->setname(rname);  
break;  
case '3':  
cout << " 输入读者编号:";  
cin >> readerid;  
r=query(readerid);  
if (r==NULL)  
{  
cout <<" 该读者不存在" << endl;  
break;  
}  
r->delbook();  
break;  
case '4':  
cout << "读入读者编号:";  
cin >> readerid;  
r=query(readerid);  
if (r==NULL)  
{  
cout <<"该读者不存在"<< endl;  
break;  
}  
r->disp();  
break;  
case '5':  
disp();  
break;  
case '6':  
clear();  
break;  
default:cout<<"请继续选择您要进行的服务：";break;  
}  
}  
}