圖書館管理系統C++代碼

1、tushuguanli.cpp:Definestheentrypointfortheconsoleapplication.#include<string>#include<fstream>#include<iostream/usingnamespacestd;constintBMAX=50;/圖書數據庫類classbdatabasepublic:bookbtarrayBMAX;inttop;public:bdatabase()bookb;top=-1;fstreamfile("book.txt",ios:in);/打開文件whilefile.r

2、ead(char*)&b,sizeof(b);if(!file)break;top+;btarraytop=b;file.close();/關閉文件bdatabase()/析構函數，將btarray口寫至Ubook.txt文件中fstreamfile("book.txt",ios:out);for(inti=0;i<=top;i+)if(btarrayi.b_del=1)file.write(char*)&btarrayi,sizeof(btarrayi);file.close();voidaddbooks()/往圖書數據庫中加圖書bookbk;int

3、no;charbname20;cout<<"請輸入書號："cin>>no;cout<<endl<<"請輸入書名："cin>>bname;cout<<endl;bk.b_flag=1;bk.addbook(no,bname);top+;btarraytop=bk;return;intfindbooks(intsuffix)查找圖書，這個函數用于借書這書操作，suffix是數組下標intno;cout<<"請輸入書號："cin>>no;for(

4、inti=0;i<=top;i+)if(btarrayi.no=no&&btarrayi.b_del=1)returni;return-1;intfindbooks()/查找圖書，這個函數用于圖書維護intno;charvalue6;cout<<"請輸入書號："cin>>no;for(inti=0;i<=top;i+)if(btarrayi.no=no&&btarrayi.b_del=1)if(btarrayi.b_flag=1)strcpy(value,"在架");if(btarray

5、i.b_flag=2)strcpy(value,"借出"力cout<<"書號："<<btarrayi.no<<"書的名稱"<<<<”圖書狀態(tài)："<<value<<endl;returni;return-1;/編輯圖書書的名稱voideditbooks()intcur;cur=findbooks();if(cur=-1)cout<<"沒有這本書"<<endl;return;c

6、out<<"書號："<<btarraycur.no<<"<<<<endl;cout<<"請修改數據："<<endl;cout<<endl<<"書的名稱："cin>>;return;voiddelbooks()/刪除圖書intcur;cur=findbooks();if(cur=-1)return;if(btarraycur.b_flag=2)/刪除

7、時判斷圖書是否借出cout<<"該圖書已經借出，請在歸還后再刪除。"<<endl;return;btarraycur.b_del=2;return;/顯示全部圖voidlistbooks()charvalue6;for(inti=0;i<=top;i+)if(btarrayi.b_del=1)if(btarrayi.b_flag=1)strcpy(value,"在架");if(btarrayi.b_flag=2)strcpy(value,"借出"力圖書狀態(tài)："<<value<&

8、lt;endl;cout<<"書號："<<btarrayi.no<<"書的名稱"<<<<"return;5class bookpublic:int no;char name20;int b_flag;int b_del;public :book()void setno(int n)no=n;int getno()return no;void setname(char na口)strcpy(name, na);返回圖書編號值/字符串復制/圖書編號/圖書名稱cha

9、r*getname()returnname;/返回圖書名稱voidborbook()b_flag=2；/借書標志voiddelbook()b_del=2;/刪除標志voidaddbook(intno,charna)/增力口圖書功能setno(no);setname(na);b_flag=1；b_del=1;；讀者關classreaderpublic:intno;charname20;intr_del;/1存在，2刪除intr_bor;/1借過書，2沒有借書bookbrbook;public:voidaddreader(intid,charna口)增加讀者no=id;strcpy(name,na

10、);r_del=1;voidsetbrbook(bookbt)/設置借書標記brbook=bt;bookgetbrbook()returnbrbook;/返回借書信息;/讀者數據庫類classdatabasepublic:readerrdarrayBMAX;inttop;public:rdatabase()readerrd;top=-1;fstreamfile("reader.txt",ios:in);/打開文件whilefile.read(char*)&rd,sizeof(rd);if(!file)break;top+;rdarraytop=rd;file.clo

11、se();/關閉文件rdatabase()析構函數fstreamfile("reader.txt",ios:out);for(inti=0;i<=top;i+)if(rdarrayi.r_del=1)file.write(char*)&rdarrayi,sizeof(rdarrayi);file.close();/添加讀voidaddreaders()者readerrd;intno;charrname20;cout<<"請輸入學號："cin>>no;cout<<endl<<"請輸入姓

12、名："cin>>rname;cout<<endl;rd.addreader(no,rname);rd.r_bor=2;top+;rdarraytop=rd;return;intfindreaders(intsuffix)/查找讀者，這個函數用于借書還書操作。suffix是數組下標intno;cout<<"請輸入學號："cin>>no;for(inti=0;i<=top;i+)if(rdarrayi.no=no&&rdarrayi.r_del=1)returni;return-1;/查找讀者，這個

13、函數用于讀借)無)姓名："<<<<"intfindreaders()者維護操作intno;charvalue3;cout<<"請輸入學號："cin>>no;for(inti=0;i<=top;i+)if(rdarrayi.no=no&&rdarrayi.r_del=1)if(rdarrayi.r_bor=1)strcpy(value,"if(rdarrayi.r_bor=2)strcpy(value,"cout<<"學

14、號:"<<rdarrayi.no<<"是否借書:"<<value<<endl;returni;return-1;w信息voideditreaders()/編輯讀者intcur;cur=findreaders();if(cur=-1)cout<<"沒有該學生"<<endl;return;cout<<"請修改數據："<<endl;cout<<endl<<"姓名："cin>>rda

15、;return;void還書后才能刪除delreaders()/刪除讀者，讀者如果借書要void所有讀者intcur;cur=findreaders();if(cur=-1)return;if(rdarraycur.r_bor=1)cout<<"該用戶借了圖書，請還書后再刪除return;rdarraycur.r_del=2;return;listreaders()charvalue3;for(inti=0;i<=top;i+)if(rdarrayi.r_del=1)if(rdarrayi.r_bor=1)strcpy(value,"

16、;if(rdarrayi.r_bor=2)strcpy(value,"cout<<"學號:"<<rdarrayi.no<<""<<endl;/顯示借)無)姓名："<<<<"是否借書:"<<value<<endl;)return;)voidbookjiemain()護子菜單/圖書維cout<<"|"<<endl;cout<<"|圖書

17、維護|"<<endl;cout<<"|增加|"<<endl;cout<<"|(2)更改|"<<endl;cout<<"|刪除|"<<endl;cout<<"|(4)查找|"<<endl;cout<<"|顯示|"<<endl;cout<<"|(6)返回上一層|"<<endl;cout<<"|&

18、quot;<<endl;)voidreaderjiemian()者維護子菜單(/讀cout<<"|"<<endl;cout<<"|讀者維護|"<<endl;cout<<"|增加|"<<endl;cout<<"|(2)更改|"<<endl;cout<<"|刪除|"<<endl;cout<<"|(4)查找|"<<endl;co

19、ut<<"|顯示|"<<endl;cout<<"|(6)返回上一層|"<<endl;cout<<"|"<<endl;void/主界面mainjiemian()cout<<"I*"<<endl;cout<<"*圖書管理系統cout<<"*"<<endl;*"<<endl;cout<<"*借書*"<&

20、lt;endl;cout<<"*"<<endl;cout<<"*(2)還書*"<<endl;cout<<"*"<<endl;cout<<"*圖書管理*"<<endl;cout<<"*"<<endl;cout<<"*(4)用戶管理*"<<endl;cout<<"*"<<endl;cout<

21、;<"*(0)退出*"<<endl;cout<<"*"<<endl;voidborrowtoreturn(charbr)/借書還書函數.參數br用來判斷是“借書”還是“還書”.1為“借書”，2為“還書”intrdid=0;intbkid=0;intrsuffix,bsuffix;bdatabaset_bd;databaset_rd;if(br='1')/借書rsuffix=t_rd.findreaders(rdid);bsuffix=t_bd.findbooks(bkid);if(rsuffix=

22、-1|bsuffix=-1)return;if(t_bd.btarraybsuffix.b_flag=2)cout<<"圖書已經借出，請選擇其它圖書"<<endl;return;if(t_rd.rdarrayrsuffix.r_bor=1)cout<<"你已經借過圖書，請先歸還再借其它圖書"<<endl;return;t_bd.btarraybsuffix.b_flag=2;t_rd.rdarrayrsuffix.r_bor=1;t_rd.rdarrayrsuffix.brbook=t_bd.btarray

23、bsuffix;return;if(br='2')rsuffix=t_rd.findreaders(rdid);bsuffix=t_bd.findbooks(bkid);if(rsuffix=-1|bsuffix=-1)return;if(t_rd.rdarrayrsuffix.brbook.no=t_bd.btarraybsuffix.no)t_bd.btarraybsuffix.b_flag=1;t_rd.rdarrayrsuffix.r_bor=2;t_rd.rdarrayrsuffix.brbook=t_bd.btarraybsuffix;elsecout<<

24、;"請重新輸入，讀者借的圖書號不正確"<<endl;return;return;voidbooksmange()charin;bdatabasebd;dobookjiemain();cin>>in;switch(in)case'1':bd.addbooks();break;case'2':bd.editbooks();break;case'3':bd.delbooks();break;case'4':bd.findbooks();break;case'5':bd.listbooks();break;case'6':brea