class.cpp

纯粹是学习专用～

#include "class.h"
#include <string.h>
#include <iostream.h>

Book::Book()
{
	strcpy(Title,"");
	Code = 0;
	Next = NULL;
}
Book::Book(char *title,long code)
{
	strcpy(Title,title);
	Code = code;
	Next = NULL;
}

void Book::Show()
{
	cout<<"书籍：\t"<<Title<<'\t'<<Code<<endl;
}

Item::Item():Book()
{
	strcpy(Author,"");
	strcpy(IndexCode,"");
	Type = 0;
}

Item::Item(char *author,char *title,char *index,int code):Book(title,code)
{
	strcpy(Author,author);
	strcpy(IndexCode,index);
	Type = 0;
}
Item::Item(Item & it)
{
	strcpy(Author,it.Author);
	strcpy(Title,it.Title);
	strcpy(IndexCode,it.IndexCode);
	Code = it.Code;
	Type = it.Type;
}


void Item::SetAuthor(char *t1)
{
	strcpy(Author, t1);
}

void Item::SetIndexCode(char *t1)
{
	strcpy(IndexCode, t1);
}


void Item::Show()
{
	cout<<"书：\t"<<Title<<'\t'<<Author<<'\t'<<IndexCode<<'\t'<<Code<<'\n';
}

Magazine::Magazine(char *title,int vol,LANG lang,int code):Book(title,code)
{
	Volume = vol;
	Lang = lang;
	Type = 1;
}

Magazine::Magazine(Magazine & mz){
	strcpy(Title,mz.Title);
	Volume = mz.Volume;
	Lang = mz.Lang;
	Code = mz.Code;
	Type = 1;
}

void Magazine::Show()
{
	cout<<"杂志：\t"<<Title<<'\t'<<"卷号"<<Volume<<'\t'<<((Lang==1)?"Chinese":"English")<<'\t'<<Code<<'\n';
}

Reader::Reader()
{
	strcpy(Name,"");
	strcpy(Position,"");
	Counter = 0;
	Age = 0;
	Code = 0;
	items = NULL;
}

Reader::Reader(char *name,char *posi,int age,int code)
{
	strcpy(Name,name);
	strcpy(Position,posi);
	Counter = 0;
	Age = age;
	Code = code;
	items = NULL;
}
/*
Reader::Reader(Reader & rd)  
{
/*	strcpy(Name,rd.Name);
	strcpy(Position,rd.Position);
	Counter = 0;
	Age = rd.Age;
	Code = rd.Code;
	Item *p = rd.items,*q;
	while(p)
	{
		q = new Item;
		*q = *p;
		if(Counter==0)items = q;
		p = p->Next;
		Counter++;
	}
}*/

Reader::~Reader()
{

}

void Reader::SetName(char *t)
{
	strcpy(Name,t);
}

void Reader::SetPosition(char *t)
{
	strcpy(Position,t);
}

void Reader::SetAge(int t)
{
	Age = t;
}

void Reader::SetCode(long t)
{
	Code = t;
}

void Reader::ShowBooks()
{
	Book* p = items;
	if(p==NULL) { cout<<"您未借书！";return;}
	while(p){
		p->Show();
		p = p->Next;
	}
}

void Reader::Show(){
	cout<<"读者：\t"<<Name<<'\t'<<Position<<'\t'<<Age<<'\t'<<Code<<endl;
}
/*
void Reader::AddBook(Book *p)
{
/*	if(bk.GetType()){
		p = new Magazine; // 创建一个新结点
		if(p){
			*p = bk;		
			p->Next = items;//插入表头
			items = p;
			Counter++;
		}
		else cout<<"申请存储空间失败！";
	}
	else {
		p = new Item;
		if(p){
			*p = bk;		
			p->Next = items;//插入表头
			items = p;
			Counter++;
		}
		else cout<<"申请存储空间失败！";
	}
			p->Next = items;//插入表头
			items = p;
	return;
}*/

void Reader::AddBook(Magazine it)
{
	Magazine *p;	
		p = new Magazine; // 创建一个新结点
		if(p){
			*p = it;		
			p->Next = items;//插入表头
			items = p;
			Counter++;
		}
}

void Reader::AddBook(Item it)
{
	Item *p;	
		p = new Item; // 创建一个新结点
		if(p){
			*p = it;		
			p->Next = items;//插入表头
			items = p;
			Counter++;
		}
}

void Reader::DelBook(Book it)
{
	Book * p = items,*q;
	while(p->GetCode()!=it.GetCode()&&p!=NULL){
		q = p;
		p = p->Next;
	}
	if(p->GetCode()==it.GetCode())
	{
		if(p == items) items = p->Next;
		else q->Next = p->Next;
		delete p;
	}
	return;
}

Loan::Loan(Loan & l){
	Code = l.Code; 
	if(Code) mag = l.mag;
	else item = l.item;
	reader = l.reader; 
	manager = l.manager;
}

void Loan::Show(){
	if(Type)mag.Show();
	else item.Show();
	reader.Show();
	manager.Show();
}

Manager::Manager(char* name,int age,int code)
{
	strcpy(Name,name);
	Age = age;
	Code = code;
}
void Manager::Show()
{
	cout<<"管理员：\t"<<Name<<'\t'<<Age<<'\t'<<Code<<endl;
}