c++图书管理系统源代码

1/8#include<string.h>//usingnamespacestd;//最多的图书//最多的读者//每位读者最多借五本书//------------------------------------------------------------------------------classBook{inttag;intno;/图/书类//删除标记1已:删0:未删/图/书编号charname[20];charauthor[10];charno2[10];chardan[20];chartime[20];intprice;intonshelf;public://书名//作者名//输入分类号//输入出版单位//出版时间//价格//是否在架1:在架0已:借Book(){}char*getname(){returnname;}intintgetno(){returnno;}gettag(){returntag;intintchar*getauthor(){returnauthor;}char*getno2(){returnno2;}char*getdan(){returndan;}char*gettime(){returntime;}intgetprice(){returnprice;}//获取书名//获取图书编号//获取删除标记//获取作者名//获取分类号//获取出版单位//获取出版时间//获取图书价格setname(charna[]){strcpy(name,na);}//设置书名setauthor(charau[]){strcpy(author,au);}//设置作者名setno2(charn[]){strcpy(no2,n);}setdan(chard[]){strcpy(dan,d);}settime(chart[]){strcpy(time,t);}//设置分类号//设置出版单位//设置出版时间voidsetprice(intp){price=p;}增加图书{delbook(){tag=1;}//删除图书1已:删0:未删addbook(intn,char*na,char*au,char*n2,char*da,char*ti,intpr)//price=pr;2/8strcpy(name,na);strcpy(author,au);strcpy(no2,n2);strcpy(dan,da);strcpy(time,ti);onshelf=1;}intborrowbook()//借书操作{if(onshelf==1){onshelf=0;return1;}return0;}voidretbook(){onshelf=1;}//还书操作voiddisp()//输出图书{}};//------------------------------------------------------------------------------classBDatabase/图/书库类{inttop;/图/书数量记录指针public:BDatabase()//构造函数,将book.txt读到book[中]{fstreamfile("book.txt",ios::in);while(1){file.read((char*)&b,sizeof(b));if(!file)break;3/8. }file.close();}voidclear(){top=-1;}//全删intaddbook(intn,char*na,char*au,char*n2,char*da,char*ti,intpr)//增加图书{Book*p=query(n);//调用函数{book[top].addbook(n,na,au,n2,da,ti,pr);return1;}return0;}Book*query(intbookid)//查找图书{for(inti=0;i<=top;i++){tnobookidbookigettagreturn&book[i];}returnNULL;}Book*query2(intbookid,char*name)//按书名查找图书{for(inti=0;i<=top;i++){if(strcmp(book[i].getname(),name)==0){bookid=book[i].getno();return&book[i];}}returnNULL;}Book*query3(intbookid,char*author)//按作者查找图书{for(inti=0;i<=top;i++){if(strcmp(book[i].getauthor(),author)==0){bookid=book[i].getno();. return&book[i];}}returnNULL;}voidbookdata();/图/书库维护voiddisp()//输出图书{for(inti=0;i<=top;i++){if(book[i].gettag()==0)book[i].disp();}}{for(int//析构函数,将book[]写入book.txt文件中file("book.txt",ios::out);i0;i<=top;i++){if(book[i].gettag()==0)file.write((char*)&book[i],sizeof(book[i]));}};{file.close();}intbookid;/图/书编号charbname[40];/图/书名charbauthor[10];/图/书作者charbno2[20];/图/书分类charbdan[20];//出版单位charbtime[20];//出版时间intbprice;/图/书价格intchoice=1;intchoice2=1;intchoice3=1;while(choice!=0)4/85/8{cout<<"\t\t\t图书信息维护\n";cout<<"\t\t\t1.添加信息\n";cout<<"\t\t\t2.修改信息\n";cout<<"\t\t\t3.删除信息\n";cout<<"\t\t\t4.信息查询\n";cout<<"\t\t\t5显.示信息\n";cout<<"\t\t\t6.全部删除\n";cout<<"\t\t\t0.退出图书信息维护\n";switch(choice){case1:{cin>bprice;break;}case2:{{cout修改\n";break;6/8. }cout<<"请输入要更改的：1.书名2.作者名3.分类4.出版单位5.出版时间6.图书价格";switch(choice2){case1:{break;}case2:{b->setauthor(bauthor);break;}case3:{break;}case4:{break;}case5:{b->settime(btime);7/8. break;}case6:{cin>bprice;b->setprice(bprice);break;}}break;}case3:{elbooknbreak;}case4:{cout<<"1.按图书编号查询2.按图书作者查询3.按图书名字查询\n";switch(choice3){case1:{ifbNULLcout你要查询的图书不存在\n";break;}b->disp();break;}case2:{cout<<"请输入图书作者:";.