如何使用C++实现图书馆管理的操作

#include
#include //控制台数据输入输出的函数
#include//文件流
#include //控制数据输出格式
#include

const int Maxr=100 ;//最多的读者数 
const int Maxb=100; //最多的图书数
const int Maxbor=5; //每位读者最多借的书



class Book 
{//图书类，实现对图书的描述，图书的编号，书名，借出，还入等功能
private: 
int tag; //删除标记 1:已删 0:未删
int no; //图书编号
char name[20]; //书名     
char author[20];//作者
char fenlei[20];//分类号
char cbs[20]; //出版社
int cbtime;//出版时间
double bookprice;//图书价格
int onshelf; //是否再架 1:再架 2:已借 
public: 
Book(){;} 
char *getname()
{//获取书名
  return name; 
} 
char *getauthorname() 
{//获取作者名
  return author;
} 

char *getfenlei()
{//获取分类号
 return fenlei;
}
char *getcbsname()
{//获取出版社名 
  return cbs; 
} 
int getcbtime()
{//获取出版时间
 return cbtime;
}
double getbookprice()
{//获取图书价格
 return bookprice;
}
int getno()
{//获取图书编号
  return no; 
}
int gettag()
{//获取删除标记 
  return tag; 
}

void setname(char na[]) 
{//设置书名
  strcpy(name,na); 
} 
void setauthorname(char aa[])
{//设置作者名
strcpy(author,aa);
}
void setfenlei(char fe[])
{//设置分类号
 strcpy(fenlei,fe);
}
void setcbs(char ca[])
{//设置出版社
 strcpy(cbs,ca);
}

void setcbtime(int time) 
{//设置时间
  cbtime=time;
} 
void setbookprice(double price)
{//设置图书价格
  bookprice=price;
}
void setonshelf(int oa) 
{
  onshelf=oa;
} 
void delbook()
{//删除图书
 char i;
 cout>i;
 if(i=='y'||i=='Y')
  tag=1;
} 
void addbook(int n,char *na,char *aa,char *fe,char *ca,int time,double price,int oa) 
{//增加图书 
  tag=0; 
  no=n; 
  strcpy(name,na);
  strcpy(author,aa);
  strcpy(cbs,ca);
  strcpy(fenlei,fe);
  cbtime=time;
  bookprice=price;
  onshelf=oa; 
} 
int borrowbook() 
{//借书操作 
  if (onshelf>0) 
  { 
  onshelf--;
  return 1; 
  } 
  return 0; 
} 
void retbook()
{//还书操作
  onshelf++; 
} 
void disp() 
{//输出图书 
  cout>i;
 if(i=='y'||i=='Y')
  top=-1; 
} 
int addbook(int n,char *na,char *aa,char *fe,char *ca,int time, double price,int oa) 
{//增加图书 
  Book *p=query1(n); 
  if (NULL==p) 
  { 
  top++; 
  book[top].addbook(n,na,aa,fe,ca,time,price,oa); 
  return 1; 
  } 
  return 0; 
} 
Book *query1(int bookid) 
{//按编号查找图书 
  for(int i=0;idisp();
   r++; 
  } 
  if(r==0)
   coutdisp();
   r++; 
  } 
  if(r==0)
   coutdisp();
   r++; 
  }
  if(r==0)
   cout>choice3; 
  switch(choice3) 
  { 
  case '1': 
  cout>bookid;
 
  b=query1(bookid); 
  if(b!=NULL) 
  { 
   cout>bname;
  cout>auname;
 cout>bfenlei;
  cout>cname;
 cout>time;
 cout>price;

  cout>bookod;
 addbook(bookid,bname,auname,bfenlei,cname,time,price,bookod);
 

 char choice2;
 {
 cout>choice2;
switch(choice2)
{
case '1':

  
 cout>bookid; 
  b=query1(bookid); 
  if(b==NULL) 
  { 
   coutdisp();
  cout>ch;
  if(ch=='y'||ch=='Y')
  {int a;
  cout>a; 
switch(a)
{
case 1: cout>bname; b->setname(bname); break;
case 2:  cout>auname; b->setauthorname(auname); break;
case 3: cout>bfenlei; b->setfenlei(bfenlei); break;
case 4: cout>cname; b->setcbs(cname); break;
case 5: cout>time;b->setcbtime(time); break;
case 6: cout>price; b->setbookprice(price); break;
case 7: cout>bookod; b->setonshelf(bookod); break;
case 0: break;
 }
 }
  cout>bookid; 
  b=query1(bookid); 
  if(b==NULL) 
  { 
   coutdelbook();
  cout>choice4;
  switch(choice4)
  {
  case 1: 
   cout>bookid;
   b=query1(bookid);
   if(b==NULL) 
   { 
   coutdisp(); 
   break;   
  case 2: 
   cout>bname;
   b=query2(bname);
   break;
  case 3: 
   cout>auname;
   b=query3(auname);
   break;
  case 4: 
   cout>cname;
   b=query4(cname);
   break;
  case 0: 
   break;
  }
       break;
  case '5': 
   cout>i;
 if(i=='y'||i=='Y')
  tag=1; 
}  
void addreader(int n,char *na) 
{//增加读者 
  tag=0; 
  no=n; 
  strcpy(name,na); 
  for(int i=0;i>i;
 if(i=='y'||i=='Y')
  top=-1; 
} 
int addreader(int n,char *na) 
{//添加读者时先查找是否存在 
  Reader *p=queryid(n); 
  if (p==NULL)
  {
  top++; 
  read[top].addreader(n,na); 
  return 1; 
  }
  else
  cout>choice1; 
  switch(choice1) 
  { 
  case '1': 
  cout>readerid;
  cout>rname;
  addreader(readerid,rname);
  cout>readerid; 
  r=queryid(readerid); 
  if(r==NULL) 
  { 
   cout>rname; 
  r->setname(rname); 
  cout>readerid; 
  r=queryid(readerid); 
  if(r==NULL) 
  { 
   coutdelbook();
  cout>choice2;
  switch(choice2)
  {
  case 1: 
   cout>readerid;
   r=queryid(readerid); 
   if(r==NULL) 
   { 
   coutdisp();
   break;   
  case 2: 
   cout>readername; 
   r=queryname(readername); 
   if(r==NULL) 
   { 
   coutdisp();
    break;
   case 0: 
   break;
  }
       break;
  case '5':
  cout>choice2;
switch (choice2)
{
 
case '1':
  
    cout>xh>>mm;
  

  
  if((xh>=138325039)&&(xh138325039)||(xh!=mm))
  {cout=3)
  { 
  cout>choice5; 
    switch (choice5) 
  { 
 
  
  case '1':  
      BookDB.bookdata(); 
  break; 
  case '2': 
      ReaderDB.readerdata(); 
  break; 
  case '3':
  cout>readerid;
  r=ReaderDB.queryid(readerid);      
  if(NULL==r)  
  {//按编号查找是否有该读者 
   cout>bookid;  
      b=BookDB.query1(bookid);       
      if(b==NULL)  
  {//按编号查找是否有该图书 
        coutborrowbook()==0) 
  { 
        coutborrowbook(b->getno());
    break;  
  case '4': 
  cout>readerid;
      r=ReaderDB.queryid(readerid);
  if(r==NULL) 
  { 
   cout>bookid; 
  b=BookDB.query1(bookid); 
  if(b==NULL) 
  {
   coutretbook(); 
      r->retbook(b->getno());
  break;
  case '0':
  break;
  default: 
 
  break; 
  } 
} 
}
};
void main() //主函数
{
 maindesk yourDesk;
 if(yourDesk.denglu())
 cout