class.cpp

纯粹是学习专用～

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

Item::Item()
{
	strcpy(Title,"");
	strcpy(Author,"");
	strcpy(IndexCode,"");
	Code = 0;
	Next = NULL;
}

Item::Item(Item & it)
{
	strcpy(Author,it.Author);
	strcpy(Title,it.Title);
	strcpy(IndexCode,it.IndexCode);
	Code = it.Code;
}

void Item::SetTitle(char *t1)
{
	strcpy(Title, t1);
}

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

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

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

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

Reader::Reader()
{
	strcpy(Name,"");
	strcpy(Position,"");
	Counter = 0;
	Age = 0;
	Code = 0;
	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()
{
	Item * p = items;
	if(p==NULL) { cout<<"您未借书！";return;}
	while(p){
		p->Show();
		p = p->Next;
	}
}

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

void Reader::DelBook(Item it)
{
	Item * 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;
}

void Manager::Show()
{
	cout<<Name<<'\t'<<Age<<'\t'<<Code<<endl;
}