C 图书管理系统代码
时间：2026-01-14
C 图书管理系统代码
#include"iostream.h"
#include"conio.h"
#include"fstream.h"
#include"iomanip.h"
#include"string.h"
const int Maxr=100 ;//×î¶àµÄ¶ÁÕßÊý
const int Maxb=100; //×î¶àµÄͼÊéÊý
const int Maxbor=5; //ÿλ¶ÁÕß×î¶à½èµÄÊé
class Book
{//ͼÊéÀ࣬ʵÏÖ¶ÔͼÊéµÄÃèÊö£¬Í¼ÊéµÄ±àºÅ£¬ÊéÃû£¬½è³ö£¬»¹ÈëµÈ¹¦ÄÜ private:
int tag; //ɾ³ý±ê¼Ç 1:ÒÑɾ 0:δɾ
int no; //ͼÊé±àºÅ
char name[20]; //ÊéÃû
char author[20];//×÷Õß
char cbs[20]; //³ö°æÉç
int onshelf; //ÊÇ·ñÔÙ¼Ü 1:ÔÙ¼Ü 2:Òѽè
public:
Book(){;}
char *getname()
{//»ñÈ¡ÊéÃû
return name;
}
char *getauthorname()
{//»ñÈ¡×÷ÕßÃû
return author;
}
char *getcbsname()
{//»ñÈ¡³ö°æÉçÃû
return cbs;
}
int getno()
{//»ñȡͼÊé±àºÅ
return no;
}
int gettag()
{//»ñȡɾ³ý±ê¼Ç
return tag;
}
void setname(char na[])
{//ÉèÖÃÊéÃû
C 图书管理系统代码
strcpy(name,na);
}
void setonshelf(int oa)
{
onshelf=oa;
}
void delbook()
{//ɾ³ýͼÊé
tag=1;
}
void addbook(int n,char *na,char *aa,char *ca,int oa)
{//Ôö¼ÓͼÊé
tag=0;
no=n;
strcpy(name,na);
strcpy(author,aa);
strcpy(cbs,ca);
onshelf=oa;
}
int borrowbook()
{//½èÊé²Ù×÷
if (onshelf>0)
{
onshelf--;
return 1;
}
return 0;
}
void retbook()
{//»¹Êé²Ù×÷
onshelf++;
}
void disp()
{//Êä³öͼÊé
cout<<setw(6)<<no<<setw(18)<<name<<setw(10)<<author<<setw(10)<<cbs<<setw(10)<<onshelf<<endl;
}
};
class BDatabase
{//ͼÊé¿âÀ࣬ʵÏÖ¶ÔͼÊéµÄά»¤£¬²éÕÒ£¬É¾³ýµÈ
private:
int top; //ͼÊé¼Ç¼ָÕë
Book book[Maxb]; //ͼÊé¼Ç¼
C 图书管理系统代码
public:
BDatabase()
{//¹¹Ô캯Êý£¬½«book.txt¶Áµ½book[]ÖÐ
Book b;
top=-1;
fstream file("book.txt",ios::in);
while (1)
{
file.read((char *)&b,sizeof(b));
if (!file)
break;
top++;
book[top]=b;
}
file.close();
}
void clear()
{//ȫɾ
top=-1;
}
int addbook(int n,char *na,char *aa,char *ca,int oa)
{//Ôö¼ÓͼÊé
Book *p=query1(n);
if (NULL==p)
{
top++;
book[top].addbook(n,na,aa,ca,oa);
return 1;
}
return 0;
}
Book *query1(int bookid)
{//°´±àºÅ²éÕÒͼÊé
for(int i=0;i<=top;i++)
if(book[i].getno()==bookid &&book[i].gettag()==0)
{
return &book[i];
}
return NULL;
}
Book *query2(char a[])
{//°´ÊéÃû²éÕÒͼÊé
Book *e;
int r=0;
C 图书管理系统代码
for(int i=0;i<=top;i++)
if(strcmp(book[i].getname(),a)==0 &&book[i].gettag()==0) {
if(r==0)
cout<<setw(6)<<"±àºÅ"<<setw(18)<<"ÊéÃû"<<setw(10)<<"×÷Õß"<<setw(10)<<"³ö°æÉç"<<setw(10)<<"´æÁ¿"<<endl;
e=&book[i];
e->disp();
r++;
}
if(r==0)
cout<<"ÕÒ²»µ½¸ÃÊé!"<<endl;
return NULL;
}
Book *query3(char a[])
{//°´×÷Õß²éÕÒͼÊé
Book *e;
int r=0;
for(int i=0;i<=top;i++)
if(strcmp(book[i].getauthorname(),a)==0 &&book[i].gettag()==0) {
if(r==0)
cout<<setw(6)<<"±àºÅ"<<setw(18)<<"&# …… 此处隐藏：6527字，全部文档内容请下载后查看。喜欢就下载吧 ……
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