图书馆管理系统C++代码

1、tushuguanli.cpp:Definestheentrypointfortheconsoleapplication.#include<string>#include<fstream>#include<iostream/usingnamespacestd;constintBMAX=50;/图书数据库类classbdatabasepublic:bookbtarrayBMAX;inttop;public:bdatabase()bookb;top=-1;fstreamfile("book.txt",ios:in);/打开文件whilefile.r

2、ead(char*)&b,sizeof(b);if(!file)break;top+;btarraytop=b;file.close();/关闭文件bdatabase()/析构函数，将btarray口写至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()/往图书数据库中加图书bookbk;int

3、no;charbname20;cout<<"请输入书号："cin>>no;cout<<endl<<"请输入书名："cin>>bname;cout<<endl;bk.b_flag=1;bk.addbook(no,bname);top+;btarraytop=bk;return;intfindbooks(intsuffix)查找图书，这个函数用于借书这书操作，suffix是数组下标intno;cout<<"请输入书号："cin>>no;for(

4、inti=0;i<=top;i+)if(btarrayi.no=no&&btarrayi.b_del=1)returni;return-1;intfindbooks()/查找图书，这个函数用于图书维护intno;charvalue6;cout<<"请输入书号："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<<"书号："<<btarrayi.no<<"书的名称"<<<<”图书状态："<<value<<endl;returni;return-1;/编辑图书书的名称voideditbooks()intcur;cur=findbooks();if(cur=-1)cout<<"没有这本书"<<endl;return;c

6、out<<"书号："<<btarraycur.no<<"<<<<endl;cout<<"请修改数据："<<endl;cout<<endl<<"书的名称："cin>>;return;voiddelbooks()/删除图书intcur;cur=findbooks();if(cur=-1)return;if(btarraycur.b_flag=2)/删除

7、时判断图书是否借出cout<<"该图书已经借出，请在归还后再删除。"<<endl;return;btarraycur.b_del=2;return;/显示全部图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"力图书状态："<<value<&

8、lt;endl;cout<<"书号："<<btarrayi.no<<"书的名称"<<<<"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);返回图书编号值/字符串复制/图书编号/图书名称cha

9、r*getname()returnname;/返回图书名称voidborbook()b_flag=2；/借书标志voiddelbook()b_del=2;/删除标志voidaddbook(intno,charna)/增力口图书功能setno(no);setname(na);b_flag=1；b_del=1;；读者关classreaderpublic:intno;charname20;intr_del;/1存在，2删除intr_bor;/1借过书，2没有借书bookbrbook;public:voidaddreader(intid,charna口)增加读者no=id;strcpy(name,na

10、);r_del=1;voidsetbrbook(bookbt)/设置借书标记brbook=bt;bookgetbrbook()returnbrbook;/返回借书信息;/读者数据库类classdatabasepublic:readerrdarrayBMAX;inttop;public:rdatabase()readerrd;top=-1;fstreamfile("reader.txt",ios:in);/打开文件whilefile.read(char*)&rd,sizeof(rd);if(!file)break;top+;rdarraytop=rd;file.clo

11、se();/关闭文件rdatabase()析构函数fstreamfile("reader.txt",ios:out);for(inti=0;i<=top;i+)if(rdarrayi.r_del=1)file.write(char*)&rdarrayi,sizeof(rdarrayi);file.close();/添加读voidaddreaders()者readerrd;intno;charrname20;cout<<"请输入学号："cin>>no;cout<<endl<<"请输入姓

12、名："cin>>rname;cout<<endl;rd.addreader(no,rname);rd.r_bor=2;top+;rdarraytop=rd;return;intfindreaders(intsuffix)/查找读者，这个函数用于借书还书操作。suffix是数组下标intno;cout<<"请输入学号："cin>>no;for(inti=0;i<=top;i+)if(rdarrayi.no=no&&rdarrayi.r_del=1)returni;return-1;/查找读者，这个

13、函数用于读借)无)姓名："<<<<"intfindreaders()者维护操作intno;charvalue3;cout<<"请输入学号："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<<"学

14、号:"<<rdarrayi.no<<"是否借书:"<<value<<endl;returni;return-1;w信息voideditreaders()/编辑读者intcur;cur=findreaders();if(cur=-1)cout<<"没有该学生"<<endl;return;cout<<"请修改数据："<<endl;cout<<endl<<"姓名："cin>>rda

15、;return;void还书后才能删除delreaders()/删除读者，读者如果借书要void所有读者intcur;cur=findreaders();if(cur=-1)return;if(rdarraycur.r_bor=1)cout<<"该用户借了图书，请还书后再删除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<<"学号:"<<rdarrayi.no<<""<<endl;/显示借)无)姓名："<<<<"是否借书:"<<value<<endl;)return;)voidbookjiemain()护子菜单/图书维cout<<"|"<<endl;cout<<"|图书

17、维护|"<<endl;cout<<"|增加|"<<endl;cout<<"|(2)更改|"<<endl;cout<<"|删除|"<<endl;cout<<"|(4)查找|"<<endl;cout<<"|显示|"<<endl;cout<<"|(6)返回上一层|"<<endl;cout<<"|&

18、quot;<<endl;)voidreaderjiemian()者维护子菜单(/读cout<<"|"<<endl;cout<<"|读者维护|"<<endl;cout<<"|增加|"<<endl;cout<<"|(2)更改|"<<endl;cout<<"|删除|"<<endl;cout<<"|(4)查找|"<<endl;co

19、ut<<"|显示|"<<endl;cout<<"|(6)返回上一层|"<<endl;cout<<"|"<<endl;void/主界面mainjiemian()cout<<"I*"<<endl;cout<<"*图书管理系统cout<<"*"<<endl;*"<<endl;cout<<"*借书*"<&

20、lt;endl;cout<<"*"<<endl;cout<<"*(2)还书*"<<endl;cout<<"*"<<endl;cout<<"*图书管理*"<<endl;cout<<"*"<<endl;cout<<"*(4)用户管理*"<<endl;cout<<"*"<<endl;cout<

21、;<"*(0)退出*"<<endl;cout<<"*"<<endl;voidborrowtoreturn(charbr)/借书还书函数.参数br用来判断是“借书”还是“还书”.1为“借书”，2为“还书”intrdid=0;intbkid=0;intrsuffix,bsuffix;bdatabaset_bd;databaset_rd;if(br='1')/借书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<<"图书已经借出，请选择其它图书"<<endl;return;if(t_rd.rdarrayrsuffix.r_bor=1)cout<<"你已经借过图书，请先归还再借其它图书"<<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、;"请重新输入，读者借的图书号不正确"<<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