實驗四 小小圖書館

實驗四小小圖書館實驗四小小圖書館實驗四小小圖書館實驗四小小圖書館編制僅供參考審核批準(zhǔn)生效日期地址：電話：傳真:郵編:院 系：計算機學(xué)院實驗課程：計算機基礎(chǔ)實驗實驗項目：小小圖書館指導(dǎo)老師：開課時間：2015～2016年度第2學(xué)期專業(yè)：計算機類班級：學(xué)生：學(xué)號：實驗四：小小圖書館在社區(qū)中有一個小小圖書館，居民可以來閱讀或借閱圖書，現(xiàn)在要幫助圖書館管理員管理讀者和圖書，編寫程序完成圖書和讀者信息的自動管理。目標(biāo)與要求要求程序是一個簡單的圖書館管理系統(tǒng)，主要完成的工作有：借書、還書、圖書管理、讀者維護。其中，圖書管理和讀者維護功能中可以進行日常的數(shù)據(jù)添加、刪除、查找、顯示等功能，使日常圖書借閱工作能正常進行。讀者信息記錄在文件中，圖書信息在文件中。編程基于字符界面的控制臺應(yīng)用程序來實現(xiàn)。源代碼如下：(圖書類)#ifndef_book_h_#define_book_h_#include<iostream>usingnamespacestd;classBook{private:intnote;intnumber;charname[10];intonshelf;public:Book(){}char*getname();intgetnote();intgetnumber();voidsetname(charna[]);voiddelbook();voidaddbook(intn,char*na);intborrowbook();voidretbook();voidlist();};#endif（圖書類的實現(xiàn)）#include<iomanip>#include""#include""usingnamespacestd;char*Book::getname(){returnname;}intBook::getnote(){returnnote;}intBook::getnumber(){returnnumber;}voidBook::setname(charna[]){strcpy(name,na);return;}voidBook::addbook(intn,char*na){note=0;number=n;strcpy(name,na);onshelf=1;return;}voidBook::delbook(){note=1;return;}intBook::borrowbook(){returnonshelf;}voidBook::retbook(){onshelf=1;return;}voidBook::list(){cout<<''<<number<<''<<onshelf<<endl;return;}（讀者類）#ifndef_reader_h_#define_reader_h_#include<iostream>usingnamespacestd;constintMaxbor=5;classReader{private:intnote;intnumber;charname[10];intborbook[Maxbor];public:Reader(){};char*getname();intgetnote();intgetnumber();voidsetname(charna[]);voiddelbook();voidaddreader(intn,char*na);voidborrowbook(intbookid);intretbook(intbookid);voidlist();};#endif（讀者類的實現(xiàn)）#include<iostream>#include<iomanip>#include""#include""usingnamespacestd;constintMaxbar=5;char*Reader::getname(){returnname;}intReader::getnote(){returnnote;}intReader::getnumber(){returnnumber;}voidReader::setname(charna[]){strcpy(name,na);return;}voidReader::addreader(intn,char*na){note=0;number=n;strcpy(name,na);for(inti=0;i<Maxbar;i++)borbook[i]=0;return;}voidReader::delbook(){note=1;return;}voidReader::borrowbook(intbookid){for(inti=0;i<Maxbar;i++)if(borbook[i]==0){borbook[i]=bookid;return;}return;}intReader::retbook(intbookid){for(inti=0;i<Maxbar;i++)if(borbook[i]==bookid){borbook[i]=0;return1;}return0;}voidReader::list(){cout<<''<<number<<''<<name<<"thenumberofthebook:[";for(inti=0;i<Maxbor;i++)if(borbook[i]==0)cout<<borbook[i]<<"";cout<<"]"<<endl;return;}（讀者信息庫類）#ifndef_rdatabase_h_#define_rdatabase_h_#include""#include<iostream>usingnamespacestd;constintMaxr=100;classRDatabase{private:inttop;Readerread[Maxr];public:RDatabase();voidclear();intaddreader(intn,char*na);Reader*query(intreaderid);voidlist();voidreaderdata();~RDatabase();};#endif（讀者信息庫類的實現(xiàn)）#include""#include<fstream>#include<iostream>#include""usingnamespacestd;RDatabase::RDatabase(){Readers;top=-1;ifstreamfile;("",ios::in|ios::binary);while(1){((char*)&s,sizeof(s));if(!file)break;top++;read[top]=s;}();}voidRDatabase::clear(){top=-1;return;}Reader*RDatabase::query(intreaderid){for(inti=0;i<=top;i++)if(read[i].getnumber()==readerid&&read[i].getnote()==0)return&read[i];returnNULL;}intRDatabase::addreader(intn,char*na){Reader*p=query(n);if(p==NULL){top++;read[top].addreader(n,na);return1;}return0;}voidRDatabase::list(){for(inti=0;i<=top;i++)read[i].list();return;}RDatabase::~RDatabase(){fstreamfile;("",ios::out|ios::binary);for(inti=0;i<=top;i++)if(read[i].getnote()==0)((char*)&read[i],sizeof(read[i]));();}voidRDatabase::readerdata(){intchoice=1;charreadername[20];intreaderid;Reader*r;while(choice!=0){cout<<"reader-maintenance:"<<endl;cout<<"------------------------------------"<<endl;cout<<"1:add2:change3:delete4:search5:display6:deleteall0:quit"<<endl;cin>>choice;cout<<"------------------------------------"<<endl;switch(choice){case1:cout<<"intputtheidofthereader:";cin>>readerid;cout<<"inputthenameofthereader:";cin>>readername;addreader(readerid,readername);break;case2:cout<<"intputtheidofthereader:";cin>>readerid;r=query(readerid);if(r==NULL){cout<<"thisreaderdoesn'texist!"<<endl;break;}cout<<"inputanewname:";cin>>readername;r->setname(readername);break;case3:cout<<"intputtheidofthereader:";cin>>readerid;r=query(readerid);if(r=NULL){cout<<"thisreaderdoesn'texist!"<<endl;break;}case4:cout<<"intputtheidofthereader:";cin>>readerid;r=query(readerid);if(r=NULL){cout<<"thisreaderdoesn'texist!"<<endl;break;}r->list();break;case5:list();break;case6:break;}etnumber()==bookid&&book[i].getnote()==0)return&book[i];returnNULL;}intBDatabase::addbook(intn,char*na){Book*p=query(n);if(p==NULL){top++;book[top].addbook(n,na);return1;}return0;}voidBDatabase::list(){for(inti=0;i<=top;i++)book[i].list();return;}BDatabase::~BDatabase(){fstreamfile;("",ios::out|ios::binary);for(inti=0;i<=top;i++)if(book[i].getnote()==0)((char*)&book[i],sizeof(book[i]));();}voidBDatabase::bookdata(){intchoice=1;charbookname[20];intbookid;Book*b;while(choice!=0){cout<<"maintenance:"<<endl;cout<<"---------------------------------------------"<<endl;cout<<"1:add2:change3:delete4:search5:display6:deleteall0:quit"<<endl;cin>>choice;cout<<"---------------------------------------------"<<endl;switch(choice){case1:cout<<"inputtheidofthebook:";cin>>bookid;cout<<"thenameofthebook:";cin>>bookname;addbook(bookid,bookname);break;case2:cout<<"inputtheidofthebook:";cin>>bookid;b=query(bookid);if(b==NULL){cout<<"thisbookdoesn'texist!"<<endl;break;}cout<<"inputanewname:";cin>>bookname;b->setname(bookname);break;case3:cout<<"inputtheidofthebook:";cin>>bookid;b=query(bookid);if(b==NULL){cout<<"thebookdoesn'texist!"<<endl;break;}break;case4:cout<<"inputtheidofthebook:";cin>>bookid;b=query(bookid);if(b==NULL){cout<<"thebookdoesn'texis