//这个是main.cpp中的代码
#include <iostream>
#include <iomanip>//作用是调用setw()函数
#include <string>
#include <stdlib.h>//使用exit()函数
#include <fstream>//使用文件输入输出流
#include "article.h"
//#include "article.cpp"
#include "book.h"
#include "picture.h"
#include "disk.h"
#include "add.h"
#include "del.h"
using namespace std;
int main()
{
int i;//用于菜单功能
int j;//存放物品的编号
string str;//存放物品的标题
//以下9行程序为建立链表做准备工作
struct book * bhead,*bcurrent;
struct disk * dhead,*dcurrent;
struct picture *phead,*pcurrent;
bhead=bcurrent=NULL;
dhead=dcurrent=NULL;
phead=pcurrent=NULL;
bhead=initbook();
dhead=initdisk();
phead=initpicture();
while(1)
{
cout<<endl;
cout<<"*****************************媒体库管理系统*************************************";
cout<<setw(40)<<"1、添加物品"<<endl;
cout<<setw(40)<<"2、显示物品"<<endl;
cout<<setw(40)<<"3、查询物品"<<endl;
cout<<setw(40)<<"4、统计物品"<<endl;
cout<<setw(40)<<"5、删除物品"<<endl;
cout<<setw(40)<<"6、编辑物品"<<endl;
cout<<setw(36)<<"7、清屏"<<endl;
cout<<setw(36)<<"8、退出"<<endl;
cout<<"********************************************************************************";
cin>>i;
switch(i)
{
case 1:
cout<<"********************************************************************************";
cout<<setw(40)<<"1、添加书的信息"<<endl;
cout<<setw(40)<<"2、添加光盘信息"<<endl;
cout<<setw(40)<<"3、添加图画信息"<<endl;
cout<<"********************************************************************************";
cin>>i;
if(i==1)
bhead=addbook(bhead);
else if(i==2)
dhead=adddisk(dhead);
else if(i==3)
phead=addpicture(phead);
else
{
cout<<"输入有误，返回主目录!"<<endl;
}
break;
case 2:
cout<<"********************************************************************************";
cout<<setw(40)<<"1、显示书的信息"<<endl;
cout<<setw(40)<<"2、显示光盘信息"<<endl;
cout<<setw(40)<<"3、显示图画信息"<<endl;
cout<<"********************************************************************************";
cin>>i;
if(i==1)
{
if(bhead!=NULL)
{
bcurrent=bhead;
while(bcurrent!=NULL)
{
bcurrent->bk->showbook();
bcurrent=bcurrent->next;
}
}
else cout<<"无图书信息!"<<endl;
}
else if(i==2)
{
if(dhead!=NULL)
{
dcurrent=dhead;
while(dcurrent!=NULL)
{
dcurrent->dk->showdisk();
dcurrent=dcurrent->next;
}
}
else cout<<"无光盘信息!"<<endl;
}
else if(i==3)
{
if(phead!=NULL)
{
pcurrent=phead;
while(pcurrent!=NULL)
{
pcurrent->pe->showpicture();
pcurrent=pcurrent->next;
}
}
else cout<<"无图画信息!"<<endl;
}
else
{
cout<<"输入错误，返回主目录!"<<endl;
}
break;
case 3:
cout<<"********************************************************************************";
cout<<setw(40)<<"1、按标题查询"<<endl;
cout<<setw(40)<<"2、按编号查询"<<endl;
cout<<setw(40)<<"3、按类别查询"<<endl;
cout<<"********************************************************************************";
cin>>i;
if(i==1)
{
cout<<"请输入物品的标题:"<<endl;
cin>>str;
pcurrent=phead;
while(pcurrent!=NULL)
{
if(pcurrent->pe->searchtitle(str))
{
cout<<setw(40)<<"图画中的信息如下所示:"<<endl;
pcurrent->pe->showpicture();
break;
}
else
pcurrent=pcurrent->next;
}
if(pcurrent==NULL)
{
cout<<setw(40)<<"图画中无此信息!"<<endl;
}
dcurrent=dhead;
while(dcurrent!=NULL)
{
if(dcurrent->dk->searchtitle(str))
{
cout<<setw(40)<<"光盘中的信息如下所示:"<<endl;
dcurrent->dk->showdisk();
break;
}
else
dcurrent=dcurrent->next;
}
if(dcurrent==NULL)
{
cout<<setw(40)<<"光盘中无此信息!"<<endl;
}
bcurrent=bhead;
while(bcurrent!=NULL)
{
if(bcurrent->bk->searchtitle(str))
{
cout<<setw(40)<<"图书中的信息如下所示:"<<endl;
bcurrent->bk->showbook();
break;
}
else
bcurrent=bcurrent->next;
}
if(bcurrent==NULL)
{
cout<<setw(40)<<"图书中无此信息!"<<endl;
}
}
else if(i==2)
{
if(sumnumber!=0)
{
cout<<"请输入物品的编号:"<<endl;
cin>>j;
for(i=0;i<sumnumber;i++)
{
if(sum[i]==j)
{
pcurrent=phead;
while(pcurrent!=NULL)
{
if(pcurrent->pe->searchnumber(j))
{
pcurrent->pe->showpicture();
break;
}
else
pcurrent=pcurrent->next;
}
dcurrent=dhead;
while(dcurrent!=NULL)
{
if(dcurrent->dk->searchnumber(j))
{
dcurrent->dk->showdisk();
break;
}
else
dcurrent=dcurrent->next;
}
bcurrent=bhead;
while(bcurrent!=NULL)
{
if(bcurrent->bk->searchnumber(j))
{
bcurrent->bk->showbook();
break;
}
else
bcurrent=bcurrent->next;
}
break;
}
}
if(i>=sumnumber)
{
cout<<"无此编号!"<<endl;
}
}
else cout<<"无编号信息!"<<endl;
}
else if(i==3)
{
cout<<"请输入物品的类别（book,disk,picture，请按此格式输入一个英文字母）:"<<endl;
cin>>str;
if(str=="book")
{
bcurrent=bhead;
if(bcurrent==NULL)
{
cout<<setw(40)<<"无图书信息!"<<endl;
}
while(bcurrent!=NULL)
{
bcurrent->bk->showbook();
bcurrent=bcurrent->next;
}
}
else if(str=="disk")
{
dcurrent=dhead;
if(dcurrent==NULL)
{
cout<<setw(40)<<"无光盘信息!"<<endl;
}
while(dcurrent!=NULL)
{
dcurrent->dk->showdisk();
dcurrent=dcurrent->next;
}
}
else if(str=="picture")
{
pcurrent=phead;
if(pcurrent==NULL)
{
cout<<setw(40)<<"无图画信息!"<<endl;
}
while(pcurrent!=NULL)
{
pcurrent->pe->showpicture();
pcurrent=pcurrent->next;
}
}
else
{
cout<<"输入错误，返回主目录!"<<endl;
}
}
else
{
cout<<"输入错误，返回主目录!"<<endl;
}
break;
case 4:
cout<<"********************************************************************************";
cout<<setw(40)<<"1、查询图书数"<<endl;
cout<<setw(40)<<"2、查询光盘数"<<endl;
cout<<setw(40)<<"3、查询图画数"<<endl;
cout<<"********************************************************************************";
cin>>i;
cout<<setw(40)<<"物件总数为:"<<sumnumber<<endl;
if(i==1)
cout<<setw(40)<<"图书数:"<<bcount<<endl;
else if(i==2)
cout<<setw(40)<<"光盘数:"<<dcount<<endl;
else if(i==3)
cout<<setw(40)<<"图画数:"<<pcount<<endl;
else
cout<<setw(40)<<"输入错误,不能查询相应的物品!"<<endl;
break;
case 5:
cout<<"请输入物品的编号:"<<endl;
cin>>j;
while(1)
{
if(sumnumber==0)cout<<"物品库为空!"<<endl;
for(i=0;i<bcount;i++)
{
if(bk[i]==j)
{
bhead=(struct book *)del((struct article *)bhead,j);//若该编号为书的编号
bcount--;
break;
}
else cout<<"该编号不存在!"<<endl;
}
for(i=0;i<dcount;i++)
{
if(dk[i]==j)
{
dhead=(struct disk *)del((struct article *)dhead,j);//若该编号为光盘的编号
dcount--;
break;
}
else cout<<"该编号不存在!"<<endl;
}
for(i=0;i<pcount;i++)
{
if(pe[i]==j)
{
phead=(struct picture *)del((struct article *)phead,j);//若该编号为图画的编号
pcount--;
break;
}
else cout<<"该编号不存在!"<<endl;
}
break;
}
break;
case 6:
cout<<endl;
break;
case 7:
system("cls");
break;
case 8:
exit(0);
break;
default :
cout<<"输入有误，请重新输入："<<endl;
}
}
return 0;
}
//这个是article.cpp中的代码
#include "article.h"
#include <iomanip>//作用是调用setw()函数
#include <string>
Article :: Article(int number,string title,string author)
{
this->number=number;
this->title=title;
this->author=author;
}
void Article :: show()
{
cout<<"********************************************************************************";
cout<<setw(35)<<"number:"<<number<<endl;
cout<<setw(35)<<"title:"<<title<<endl;
cout<<setw(35)<<"author:"<<author<<endl;
}
bool Article :: searchnumber(int number)
{
if(this->number==number)
return true;
else
return false;
}
bool Article :: searchtitle(string str)
{
if(this->title==str)
return true;
else
return false;
}
//这个是book.cpp中的文件
#include "article.h"
#include <iomanip>//作用是调用setw()函数
#include <string>
#include "book.h"
Book :: Book(int number,string title,string author,string press,int page) :Article(number,title,author)
{
this->press=press;
this->page=page;
}
void Book :: showbook()
{
show();
cout<<setw(35)<<"press:"<<press<<endl;
cout<<setw(35)<<"page:"<<page<<endl;
cout<<"********************************************************************************";
}
//这个是disk.cpp中的文件
#include "article.h"
#include <iomanip>//作用是调用setw()函数
#include <string>
#include "disk.h"
Disk :: Disk(int number,string title,string author,int time,string date) : Article(number,title,author)
{
this->time=time;
this->date=date;
}
void Disk :: showdisk()
{
show();
cout<<setw(35)<<"time:"<<time<<endl;
cout<<setw(35)<<"date:"<<date<<endl;
cout<<"********************************************************************************";
}
//这个是picture.cpp中的文件
#include "article.h"
#include <iomanip>//作用是调用setw()函数
#include <string>
#include "picture.h"
Picture :: Picture(int number,string title,string author,int width,int length,string nationality) : Article(number,title,author)
{
this->width=width;
this->length=length;
this->nationality=nationality;
}
void Picture :: showpicture()
{
show();
cout<<setw(35)<<"width:"<<width<<endl;
cout<<setw(35)<<"length:"<<length<<endl;
cout<<setw(35)<<"nationality:"<<nationality<<endl;
cout<<"********************************************************************************";
}
//这个是add.h中的代码
#include "count.h"
#include <sstream>
struct article
{
Article * ae;
struct article * next;
};
struct book
{
Book * bk;
struct book * next;
};
struct disk
{
Disk * dk;
struct disk * next;
};
struct picture
{
Picture * pe;
struct picture * next;
};
struct book * initbook();//完成初始化功能
struct disk * initdisk();
struct picture * initpicture();
struct book * addbook(struct book * phead);//完成添加功能
struct disk * adddisk(struct disk * disk);
struct picture * addpicture(struct picture * picture);
bool count(char str,int num);//完成统计功能
struct book * initbook()
{
struct book * phead;
phead=NULL;
ifstream infile("书籍档案.txt");
string str;
getline(infile,str);
while(!infile.eof())
{
getline(infile,str);
if(str.empty())break;
istringstream istring(str);
int num,page;
num=page=0;
string title,author,press;
istring>>bcount>>num>>title>>author>>press>>page;
struct book * ptail=phead;
if(ptail!=NULL)
{
while(ptail->next!=NULL)
ptail=ptail->next;
}
struct book * d=new struct book;
Book * d1=new Book(num,title,author,press,page);
d->bk=d1;
d->next=NULL;
if(phead==NULL)phead=d;
else ptail->next=d;
ptail=d;
sumnumber++;
bk[dcount-1]=num;
sum[dcount-1]=num;
}
infile.close();
return phead;
}
struct book * addbook(struct book * phead)
{
ofstream outfile("书籍档案.txt",ios::app);//定义一个文件输出流的对象，用于向文件中输出数据
if(!outfile)
{
cout<<"打开书籍档案失败!"<<endl;
return phead;
}
struct book * ptail=phead;
if(ptail!=NULL)
{
while(ptail->next!=NULL)
ptail=ptail->next;
}
int i;
int num;
string title;
string author;
string press;
int page;
while(1)
{
cout<<"按1输入图书信息，按0返回主目录："<<endl;
cin>>i;
if(i==0)break;
if(i==1)
{
cout<<"输入图书编号(整数)，题目，作者，出版社，页数(整数)："<<endl;
getchar();
cin>>num>>title>>author>>press>>page;
if(count('b',num))
{
struct book * b=new struct book;
Book * b1=new Book(num,title,author,press,page);
b->bk=b1;
b->next=NULL;
if(phead==NULL)phead=b;
else ptail->next=b;
ptail=b;
//在链表末尾添加节点后，将数据添加到文件中
outfile<<endl<<bcount<<" "<<num<<" "<<title<<" "<<author<<" "<<press<<" "<<page;
outfile.close();
}
else continue;
}
else
cout<<"输入错误，重新输入!"<<endl;
}
return phead;
}
struct disk * initdisk()
{
struct disk * phead;
phead=NULL;
ifstream infile("光盘档案.txt");
string str;
getline(infile,str);
while(!infile.eof())
{
getline(infile,str);
if(str.empty())break;
istringstream istring(str);
int num,time;
num=time=0;
string title,author,date;
istring>>dcount>>num>>title>>author>>time>>date;
struct disk * ptail=phead;
if(ptail!=NULL)
{
while(ptail->next!=NULL)
ptail=ptail->next;
}
struct disk * d=new struct disk;
Disk * d1=new Disk(num,title,author,time,date);
d->dk=d1;
d->next=NULL;
if(phead==NULL)phead=d;
else ptail->next=d;
ptail=d;
sumnumber++;
dk[dcount-1]=num;
sum[dcount-1]=num;
}
infile.close();
return phead;
}
struct disk * adddisk(struct disk * phead)
{
ofstream outfile("光盘档案.txt",ios::app);//定义一个文件输出流的对象，用于向文件中输出数据
if(!outfile)
{
cout<<"打开光盘档案失败!"<<endl;
return phead;
}
//outfile<<"记录"<<" "<<"编号"<<" "<<"题目"<<" "<<"作者"<<" "<<"播放时长"<<" "<<"出品年份"<<endl;
struct disk * ptail=phead;
if(ptail!=NULL)
{
while(ptail->next!=NULL)
ptail=ptail->next;
}
int i;
int num;
string title;
string author;
int time;
string date;
while(1)
{
cout<<"按1输入光盘信息，按0返回主目录："<<endl;
cin>>i;
if(i==0)break;
if(i==1)
{
cout<<"输入光盘编号(整数)，题目，作者，播放时长(整数)，出品年份："<<endl;
getchar();
cin>>num>>title>>author>>time>>date;
if(count('d',num))
{
struct disk * d=new struct disk;
Disk * d1=new Disk(num,title,author,time,date);
d->dk=d1;
d->next=NULL;
if(phead==NULL)phead=d;
else ptail->next=d;
ptail=d;
//在链表末尾添加节点后，将数据添加到文件中
outfile<<endl<<dcount<<" "<<num<<" "<<title<<" "<<author<<" "<<time<<" "<<date;
outfile.close();
}
else continue;
}
else
cout<<"输入错误，重新输入!"<<endl;
}
return phead;
}
struct picture * initpicture()
{
struct picture * phead;
phead=NULL;
ifstream infile("图画档案.txt");
string str;
getline(infile,str);
while(!infile.eof())
{
getline(infile,str);
if(str.empty())break;
istringstream istring(str);
int num,width,length;
num=width=length=0;
string title,author,nationality;
istring>>pcount>>num>>title>>author>>width>>length>>nationality;
struct picture * ptail=phead;
if(ptail!=NULL)
{
while(ptail->next!=NULL)
ptail=ptail->next;
}
struct picture * d=new struct picture;
Picture * d1=new Picture(num,title,author,width,length,nationality);
d->pe=d1;
d->next=NULL;
if(phead==NULL)phead=d;
else ptail->next=d;
ptail=d;
sumnumber++;
pe[pcount-1]=num;
sum[pcount-1]=num;
}
infile.close();
return phead;
}
struct picture * addpicture(struct picture * phead)
{
ofstream outfile("图画档案.txt",ios::app);//定义一个文件输出流的对象，用于向文件中输出数据
if(!outfile)
{
cout<<"打开图画档案失败!"<<endl;
return phead;
}
struct picture * ptail=phead;
if(ptail!=NULL)
{
while(ptail->next!=NULL)
ptail=ptail->next;
}
//outfile<<"记录"<<" "<<"编号"<<" "<<"题目"<<" "<<"作者"<<" "<<"宽"<<" "<<"长"<<" "<<"出品国籍"<<endl;
int i;
int num;
string title;
string author;
int width;
int length;
string nationality;
while(1)
{
cout<<"按1输入图画信息，按0返回主目录："<<endl;
cin>>i;
if(i==0)break;
if(i==1)
{
cout<<"输入图画编号(整数)，题目，作者，宽(整数)，长(整数)，出品国籍："<<endl;
getchar();
cin>>num>>title>>author>>width>>length>>nationality;
if(count('p',num))
{
struct picture * p=new struct picture;
Picture * p1=new Picture(num,title,author,width,length,nationality);
p->pe=p1;
p->next=NULL;
if(phead==NULL)phead=p;
else ptail->next=p;
ptail=p;
//在链表末尾添加节点后，将数据添加到文件中
outfile<<endl<<pcount<<" "<<num<<" "<<title<<" "<<author<<" "<<width<<" "<<length<<" "<<nationality;
outfile.close();
}
else continue;
}
else
cout<<"输入错误，重新输入!"<<endl;
}
return phead;
}
//article.h
#include <iostream>
using namespace std;
class Article
{
protected :
int number;//此处为物品的编号，是物品不同与其他物品的唯一标识，为书，光盘，图画的共有属性
string title;//此处为物品的名称，为书，光盘，图画的共有属性
string author;//此处为物品的作者，为书，光盘，图画的共有属性
public :
Article(int number,string title,string author);//构造函数，为属性初始化
void show();//此函数的功能为显示
bool searchnumber(int number);
bool searchtitle(string str);
};
//book.h
#include <iostream>
using namespace std;
class Article;
class Book : public Article
{
private :
string press;//为出版社的名字
int page;//为书的页数
public :
Book(int number,string title,string author,string press,int page);//构造函数，为属性初始化
void showbook();//完成显示功能
};
//count.h
#define MAX 100//可以存放的物品的最大值
int bk[MAX];
int dk[MAX];
int pe[MAX];
int sum[3*MAX];
//定义全局变量，对书，光盘，图画进行统计,初始值为0；
int bcount=0;
int dcount=0;
int pcount=0;
int sumnumber=0;
bool count(char str,int num)
{
int i;
switch(str)
{
case 'b':
for(i=0;i<sumnumber;i++)
{
if(sum[i]==num)
{
cout<<"物品的num应该唯一，输入有误，核对后重新输入"<<endl;
return false;
//break;
}
}
if(i>=sumnumber)
{
bcount++;
sumnumber++;
bk[i]=num;
sum[i]=num;
}
break;
case 'd':
for(i=0;i<sumnumber;i++)
{
if(sum[i]==num)
{
cout<<"物品的num应该唯一，输入有误，核对后重新输入"<<endl;
return false;
//break;
}
}
if(i>=sumnumber)
{
dcount++;
sumnumber++;
dk[i]=num;
sum[i]=num;
}
break;
case 'p':
for(i=0;i<sumnumber;i++)
{
if(sum[i]==num)
{
cout<<"物品的num应该唯一，输入有误，核对后重新输入"<<endl;
return false;
//break;
}
}
if(i>=pcount)
{
pcount++;
sumnumber++;
pe[i]=num;
sum[i]=num;
}
}
return true;
}
//del.h
struct article * del(struct article * ahead,int j)//j存放物品的编号
{
int i;
struct article * acurrent,* afront;
acurrent=afront=ahead;
for(i=0;i<sumnumber;i++)
{
if(sum[i]==j)
{
while(acurrent!=NULL)
{
if(acurrent->ae->searchnumber(j))
{
if(ahead->ae->searchnumber(j))
{
ahead=ahead->next;
delete(acurrent->ae);
sumnumber--;
i--;
cout<<"删除成功!"<<endl;
break;
}
else
{
afront->next=acurrent->next;
delete(acurrent->ae);
sumnumber--;
i--;
cout<<"删除成功!"<<endl;
break;
}
break;
}
else
{
afront=acurrent;
acurrent=acurrent->next;
}
}
break;
}
}
return ahead;
}
//disk.h
class Disk : public Article
{
protected :
int time;//为光盘的播放时间
string date;//为光盘的出品年份
public :
Disk(int number,string title,string author,int time,string date);//构造函数，为属性初始化
void showdisk();//完成显示功能
};
//picture.h
class Picture : public Article
{
protected :
int width;//画的宽
int length;//画的长
string nationality;//出品国籍
public :
Picture(int number,string title,string author,int width,int length,string nationality);//构造函数，为属性初始化
void showpicture();//完成显示功能
};