function.cpp

小小游戏专业源代码2

#include <iostream.h>
#include "function.h"
#include <stdlib.h>

Library::Library()
{
	itemNum = 0;	
	readerNum = 0;	
	loanNum = 0;	
	managerNum = 0;
}

void Library::Run()
{
	int choice;
	char c;
	do{
		choice = ShowMainMenu();
		switch(choice){
		case 1:	
			CreateBibliotheca();
			break;
		case 2:
			CreateReader();
			break;
		case 3:
			CreateManager();
			break;
		case 4:
			do{
				Borrow();
				cout<<"继续吗?Y(y)es/N(n)o\n";
				cin>>c;
				cin.get();
			}while(c=='Y'||c=='y');
			break;
		case 5:
			do{
				Return();
				cout<<"继续吗?Y(y)es/N(n)o\n";
				cin>>c;
				cin.get();
			}while(c=='Y'||c=='y');
			break;
		case 6:
			do{
				Require();
				cout<<"继续吗?Y(y)es/N(n)o\n";
				cin>>c;
				cin.get();
			}while(c=='Y'||c=='y');
			break;
		case 0:			//	
			exit(0);
			break;
		default:
			cout<<"请重新选择！"<<endl;
			break;
		}
	}while(1);
}

void Library::CreateBibliotheca()  //	创建书目的成员函数
{
	char s1[40],s2[20],s3[10],c;
	long code;
	int i = itemNum;
	do{
		cout<<"创建书目:\n";
		cout<<"输入书目,用回车符间隔：书名　作者　分类号　条码　\n";
		cout<<"书名:";		cin.getline(s1,40);
		cout<<"作者:";		cin.getline(s2,20);
		cout<<"分类号:";	cin.getline(s3,10);
		cout<<"条码:";		cin>>code;

		item[i].SetTitle(s1);
		item[i].SetAuthor(s2);
		item[i].SetIndexCode(s3);
		item[i].SetBarCode(code);
		
		cout<<"继续吗?Y(y)es/N(n)o\n";
		cin>>c;
		cin.get();
		i++;
	}while(c=='Y'||c=='y');
	itemNum = i;
	return ;
}

void Library::CreateReader()	//	创建读者库的成员函数
{
	char s1[40],s2[20];	
	char c; 
	int j = readerNum,age;
	long code;
	do{
		cout<<"创建读者:\n";
		cout<<"输入读者信息,用回车符间隔：姓名　职务　年龄　借书证号　\n";
		cout<<"姓名:";			cin.getline(s1,40);
		cout<<"职务:";			cin.getline(s2,20);
		cout<<"年龄:";			cin>>age;
		cout<<"借书证号:";		cin>>code;
		
		reader[j].SetName(s1);
		reader[j].SetPosition(s2);
		reader[j].SetAge(age);
		reader[j].SetCode(code);

		cout<<"继续吗?Y(y)es/N(n)o\n";
		cin>>c;
		cin.get();
		j++;
	}while(c=='Y'||c=='y');
	readerNum = j;
	return ;
}
	
void Library::CreateManager()
{
	char c; 
	int j = managerNum;
	do{
		cout<<"创建管理员:\n";
		cout<<"输入管理员信息,用回车符间隔：姓名　年龄　工号　\n";
		cout<<"姓名:";			cin>>manager[j].Name;
		cout<<"年龄:";			cin>>manager[j].Age;
		cout<<"工号:";			cin>>manager[j].Code;
		
		cout<<"继续吗?Y(y)es/N(n)o\n";
		cin>>c;
		cin.get();
		j++;
	}while(c=='Y'||c=='y');
	managerNum = j;
}

int Library::ShowMainMenu()			//	显示主菜单
{
	int c;
	cout<<"请选择:　首次使用，建议先依次选择1,2,3:\n";
	cout<<"1: 创建书目\n2: 创建读者库\n3: 创建管理员库\n4：借书\n5: 还书\n6: 查询\n0: 退出\n";
	cin>>c;
	cin.get();
	return c;
}

void Library::Borrow()	//	借书操作
{
	int code,barcode;
	Item it;
	Loan ln;
	cout<<"请输入借书证号\n";
	cin>>code;
	for(int i = 0; i<readerNum; i++)		//	查找读者
	{
		if(code==reader[i].GetCode())
			break;
	}
	if(i==readerNum) { cout<<"没有此号码，请重新选择！\n"; return;}
	cout<<"借书，请输入书本条码:\n";
	cout<<"书名\t作者\t分类号\t条码\n";
	for(int j=0; j<itemNum; j++)				//	查找书
		item[j].Show();
	cin>>barcode;
	for( j=0; j<itemNum; j++)
		if(item[j].GetBarCode()==barcode)		//	若与书目中某本书条码相同
		{ 
			it = item[j];
			reader[i].AddBook(it);				// 　　	添加到读者所借书　　
			for(int k = j; k<itemNum-1; k++){	//		从可借阅书中删除借出书
				item[k] = item[k+1];
			}
			itemNum--;
			break;
		}
	cout<<"请选择管理员工号：\n";
	cout<<"姓名\t年龄\t工号\n";
	for(j=0; j<managerNum; j++)				//	查找管理员
		cout<<manager[j].Name<<'\t'<<manager[j].Age<<'\t'<<manager[j].Code<<endl;
	cin>>code;
	for(j=0; j<managerNum; j++){
		if(manager[j].Code==code) break;
	}
	ln.manager = manager[j];
	ln.reader = reader[i];						//	添加借阅信息	
	ln.item = it;
	loan[loanNum++] = ln;
	return ;
}

void Library::Return()	//	还书操作
{
	int code,barcode,i,j,k;
	Item it;  Reader rd;
	Loan ln;
	cout<<"还书，请输入借书证号\n";
	cin>>code;
	for(i = 0; i<readerNum; i++)		
	{
		if(code==reader[i].GetCode()){
			cout<<"这是您所借书，请选择待还书的条码\n";
		reader[i].ShowBooks();
		break;
		}
	}
	if(i==readerNum){ cout<<"没有此号码，请重新选择！\n"; return;}
	cin>>barcode;
	for(j =0; j<loanNum; j++)					//		
	{
		if(loan[j].item.GetBarCode()==barcode&&loan[j].reader.GetCode()==code)
		{
				reader[i].DelBook(loan[j].item);  // 　　　从读者所借书中删除所还书
				item[itemNum++] = loan[j].item;   //		添加到可借阅书中
				for(k = j; k<loanNum-1; k++)      //		删除借阅信息
					loan[k] = loan[k+1];
				loanNum--;
				break;
		}
	}
	return;
}

void Library::Require()	//	通过借书证号查询所借书
{
	int code,i;
	Item it;  Reader rd;
	Loan ln;
	cout<<"查询，请输入借书证号\n";
	cin>>code;
	for(i = 0; i<readerNum; i++)
	{
		if(code==reader[i].GetCode()){
			cout<<"这是您所借书\n";
		reader[i].ShowBooks();
		break;
		}
	}
	if(i==readerNum){ cout<<"没有此号码，请重新选择！\n"; return;}
	return;
}