Linus下的大实验——图书管理系统

示例图1图2 main函数实现类用户-People类读者信息-Read_stream类图书总信息-Book类作者索引-Name类书名索引-Bookname类出版社索引-Publishing类

示例

图1

图2

main函数

#include <bits/stdc++.h> #include <termios.h> #include <unistd.h> #include<string.h> #include"People.h" #include"Read_stream.h" #include"Book.h" #include"Bookname.h" #include"Name.h" #include"Publishing.h" #include "Library.h" using namespace std; int getch() { struct termios oldt,newt; int ch; tcgetattr( STDIN_FILENO, &oldt );//获得标准输入的终端参数，将获得的信息保存在oldt变量中 newt = oldt; newt.c_lflag &= ~( ICANON | ECHO ); tcsetattr( STDIN_FILENO, TCSANOW, &newt ); ch = getchar(); tcsetattr( STDIN_FILENO, TCSANOW, &oldt ); return ch; } template<class T> void write_people(T &t,char *filename){ ofstream out(filename,ios::app); out.write(reinterpret_cast<char*>(&t),sizeof(T)); out.close(); } void write_people1(char *filename){ ofstream out(filename); out.close(); } template <class T> void Read_people(list<T> &l,char *filename){ ifstream in(filename,ios::binary); l.clear(); in.seekg(0,ios::end); int n=in.tellg(); n/=sizeof(T); in.close(); ifstream inf(filename,ios::binary); while(n--){ T t1; inf.read(reinterpret_cast<char*>(&t1),sizeof(T)); l.push_back(t1); } inf.close(); } template <class T> int Read_Book(vector<T> &v,char *filename){ ifstream in(filename,ios::binary); v.clear(); in.seekg(0,ios::end); int n=in.tellg(); n/=sizeof(T); int m=n; in.close(); ifstream inf(filename,ios::binary); while(n--){ T t1; inf.read(reinterpret_cast<char*>(&t1),sizeof(T)); v.push_back(t1); } inf.close(); return m; } void user_system(int m,char *ch,list<People> l){ if(m==1){ int t=1,n,q; char a[16],b[16]; People p; list<People>::iterator it; while(t){ cout<<"****************************************"<<endl; cout<<"1.用户密码修改"<<endl; cout<<"2.返回主菜单"<<endl; cout<<"****************************************"<<endl; cin>>n; switch(n){ case 1: q=0; cout<<"输入原密码："<<endl; cin>>a; for(it=l.begin();it!=l.end();++it){ if(strcmp(it->getname(),ch)==0){ if(strcmp(it->getcode(),a)==0){ cout<<"输入新密码："<<endl; cin>>b; it->setcode(b); q=1; cout<<"密码修改成功！"<<endl; break; } else cout<<"原密码输入错误! 修改失败！"<<endl; } } if(q){ write_people1("library_people12345.txt"); for(it=l.begin();it!=l.end();++it){ p.setname(it->getname()); p.setcode(it->getcode()); p.setid(it->getid()); write_people(p,"library_people12345.txt"); } } Read_people(l,"library_people12345.txt"); break; case 2: t=0; break; default: break; } } } if(m==3){ int t1,n1,q1,q2,q3,id; char a1[16],b1[16],name[20],n[20]; People p1,p2; list<People>::iterator it; while(t1){ cout<<"****************************************"<<endl; cout<<"1.用户信息输入"<<endl; cout<<"2.用户信息修改"<<endl; cout<<"3.用户信息删除"<<endl; cout<<"4.用户信息显示"<<endl; cout<<"5.用户密码修改"<<endl; cout<<"6.返回主菜单"<<endl; cout<<"****************************************"<<endl; cin>>n1; switch(n1){ case 1: p2.seta(); cout<<"输入成功！"<<endl; write_people(p2,"library_people12345.txt"); Read_people(l,"library_people12345.txt"); break; case 2: q2=0; cout<<"输入修改用户的姓名："<<endl; cin>>n; for(it=l.begin();it!=l.end();++it){ if(strcmp(it->getname(),n)==0){ cout<<"输入新姓名："<<endl; cin>>name; it->setname(name); cout<<"修改你的身份"<<endl; cout<<"1.普通读者"<<endl; cout<<"2.图书管理员"<<endl; cout<<"3.系统管理员"<<endl; cin>>id; switch(id){ case 1:it->setid(1); break; case 2: it->setid(2); break; case 3: it->setid(3); break; } cout<<"用户信息修改成功！"<<endl; q2=1;break; } } if(q2){ write_people1("library_people12345.txt"); for(it=l.begin();it!=l.end();++it){ p2.setname(it->getname()); p2.setcode(it->getcode()); p2.setid(it->getid()); write_people(p2,"library_people12345.txt"); } } else cout<<"没有该用户！"<<endl; Read_people(l,"library_people12345.txt"); break; case 3: q3=0; cout<<"输入删除用户的姓名："<<endl; cin>>n; for(it=l.begin();it!=l.end();++it){ if(strcmp(it->getname(),n)==0){ it->setid(0); q3=1; cout<<"删除成功！"<<endl; break; } } if(q3){ write_people1("library_people12345.txt"); for(it=l.begin();it!=l.end();++it){ if(it->getid()==0) continue; p2.setname(it->getname()); p2.setcode(it->getcode()); p2.setid(it->getid()); write_people(p2,"library_people12345.txt"); } } else cout<<"没有该用户！"<<endl; Read_people(l,"library_people12345.txt"); break; case 4: for(it=l.begin();it!=l.end();++it){ cout<<"姓名："<<it->getname()<<endl; cout<<"密码"<<it->getcode()<<endl; if((it->getid())==1) cout<<"用户类型：普通读者"<<endl; else if((it->getid())==2) cout<<"用户类型：图书管理员"<<endl; else cout<<"用户类型：系统管理员"<<endl; } break; case 5: q1=0; cout<<"输入修改用户的姓名："<<endl; cin>>n; for(it=l.begin();it!=l.end();++it){ if(strcmp(it->getname(),n)==0){ cout<<"输入原密码："<<endl; cin>>a1; if(strcmp(it->getcode(),a1)==0){ cout<<"输入新密码："<<endl; cin>>b1; it->setcode(b1); q1=1; cout<<"密码修改成功！"<<endl; break; } else cout<<"原密码输入错误! 修改失败！"<<endl; } } if(q1){ write_people1("library_people12345.txt"); for(it=l.begin();it!=l.end();++it){ p1.setname(it->getname()); p1.setcode(it->getcode()); p1.setid(it->getid()); write_people(p1,"library_people12345.txt"); } } else cout<<"没有该用户！"<<endl; Read_people(l,"library_people12345.txt"); break; case 6: t1=0; break; default: break; } } } } void read_system(){ list<Read_stream> l1; list<Read_stream>::iterator it; Read_stream r1,r2,r3[100],rt; char a[20],b[20],c[30],d[20]; int q,q1,q2,i,j,m,p,w; Read_people(l1,"libraryRead.txt"); int n,t=1; while(t){ cout<<"****************************************"<<endl; cout<<"1.读者信息输入"<<endl; cout<<"2.读者信息修改"<<endl; cout<<"3.读者信息删除"<<endl; cout<<"4.读者信息查询"<<endl; cout<<"5.读者信息显示"<<endl; cout<<"6.返回主菜单"<<endl; cout<<"****************************************"<<endl; cin>>n; switch(n){ case 1: cout<<"输入读者号："<<endl; cin>>a; cout<<"输入读者名："<<endl; cin>>b; cout<<"输入读者单位："<<endl; cin>>c; cout<<"输入读者联系方式："<<endl; cin>>d; r1.setId(a); r1.setnameR(b); r1.sethome(c); r1.setnum(d); write_people(r1,"libraryRead.txt"); cout<<"输入成功！"<<endl; Read_people(l1,"libraryRead.txt"); break; case 2: q=0,w=1; cout<<"输入修改读者的读者号："<<endl; cin>>a; for(it=l1.begin();it!=l1.end();++it){ if(strcmp(it->getId(),a)==0){ while(w){ cout<<"**************************"<<endl; cout<<"*1.修改的读者号"<<endl; cout<<"*2.修改的读者名"<<endl; cout<<"*3.修改的读者单位"<<endl; cout<<"*4.修改的读者联系方式"<<endl; cout<<"*5.退出!"<<endl; cout<<"**************************"<<endl; cin>>p; switch(p){ case 1: cout<<"输入修改的读者号："<<endl; cin>>a; it->setId(a); cout<<"修改成功！"<<endl; q=1; break; case 2: cout<<"输入修改的读者名："<<endl; cin>>b; it->setnameR(b); cout<<"修改成功！"<<endl; q=1; break; case 3: cout<<"输入修改的读者单位："<<endl; cin>>c; it->sethome(c); cout<<"修改成功！"<<endl; q=1; break; case 4: cout<<"输入修改的读者联系方式："<<endl; cin>>d; it->setnum(d); cout<<"修改成功！"<<endl; q=1; break; case 5: w=0; break; default: break; } } } if(q) break; } if(q){ write_people1("libraryRead.txt"); for(it=l1.begin();it!=l1.end();++it){ r2.setId(it->getId()); r2.setnameR(it->getnameR()); r2.sethome(it->gethome()); r2.setnum(it->getnum()); write_people(r2,"libraryRead.txt"); } } else cout<<"没有该读者！"<<endl; Read_people(l1,"libraryRead.txt"); break; case 3: q1=0; cout<<"输入删除读者的读者号："<<endl; cin>>a; for(it=l1.begin();it!=l1.end();++it){ if(strcmp(it->getId(),a)==0){ it->setId("0"); q1=1; cout<<"删除成功！"<<endl; } } if(q1){ write_people1("libraryRead.txt"); for(it=l1.begin();it!=l1.end();++it){ if(strcmp(it->getId(),"0")==0) continue; r2.setId(it->getId()); r2.setnameR(it->getnameR()); r2.sethome(it->gethome()); r2.setnum(it->getnum()); write_people(r2,"libraryRead.txt"); } } else cout<<"没有该读者！"<<endl; Read_people(l1,"libraryRead.txt"); break; case 4: q2=0; cout<<"输入显示读者的读者号："<<endl; cin>>a; for(it=l1.begin();it!=l1.end();++it){ if(strcmp(it->getId(),a)==0){ cout<<"读者号："<<it->getId()<<endl; cout<<"读者名："<<it->getnameR()<<endl; cout<<"单位："<<it->gethome()<<endl; cout<<"联系方式："<<it->getnum()<<endl; cout<<"已借书："<<it->getloed()<<endl; q2=1; break; } } if(q2==0) cout<<"没有该读者！"<<endl; break; case 5: m=0; for(it=l1.begin();it!=l1.end();++it){ r3[m].setId(it->getId()); r3[m].setnameR(it->getnameR()); r3[m].sethome(it->gethome()); r3[m].setnum(it->getnum()); r3[m].setloed(it->getloed()); m++; } for(i=0;i<m-1;i++){ for(j=i+1;j<m;j++){ if(r3[j].getnameR()>r3[i].getnameR()){ rt=r3[i]; r3[i]=r3[j]; r3[j]=rt; } } } for(i=0;i<m;i++){ cout<<"读者号："<<r3[i].getId()<<endl; cout<<"读者名："<<r3[i].getnameR()<<endl; cout<<"单位："<<r3[i].gethome()<<endl; cout<<"联系方式："<<r3[i].getnum()<<endl; cout<<"已借书："<<r3[i].getloed()<<endl; } break; case 6: t=0; break; default: break; } } } void book_system(int m){ int t=1,n,q,w,p1,p2,p3,p,n1,t1,q1,z,q2,q3,n2,f,t2,t3; Book b1; Bookname bn1; Name N1; Publishing Pu1; int man,s; char a[30],b[20],c[50]; vector<Book> v1,V1; vector<Book>::iterator it,it4; vector<Bookname> v2,V2; vector<Bookname>::iterator it1; vector<Name> v3,V3; vector<Name>::iterator it2; vector<Publishing> v4,V4; vector<Publishing>::iterator it3; vector<Library> v5; vector<Library>::iterator it5; while(t){ cout<<"********************"<<endl; cout<<"1.图书信息输入"<<endl; cout<<"2.图书信息修改"<<endl; cout<<"3.图书信息查询"<<endl; cout<<"4.汇总统计"<<endl; cout<<"5.返回主菜单"<<endl; cout<<"********************"<<endl; cin>>n; switch(n){ case 1: q=0,p1=0,p2=0,p3=0,p=0,w=1,q1=0,q2=0,q3=0; w=Read_Book(v1,"Book.txt")+1; z=Read_Book(v2,"Bookname.txt"); z=Read_Book(v3,"Name.txt"); z=Read_Book(v4,"Publish.txt"); if(m==1) cout<<"不能访问该功能！"<<endl; else{ cout<<"输入书号："<<endl; cin>>man; cout<<"输入书名："<<endl; cin>>a; cout<<"输入作者："<<endl; cin>>b; cout<<"输入出版社："<<endl; cin>>c; cout<<"输入藏书量："<<endl; cin>>s; for(it=v1.begin();it!=v1.end();++it){ if(it->getnum()==man){ it->setsum(it->getsum()+s); q=1; break; } } for(it=v1.begin();it!=v1.end();++it){ p++; if(strcmp(it->getnameb(),a)==0){ p1=p; } if(strcmp(it->getname(),b)==0){ p2=p; } if(strcmp(it->getp(),c)==0){ p3=p; } } if(q==1){ write_people1("Book.txt"); for(it=v1.begin();it!=v1.end();++it){ b1.setm(it->getmanger()); b1.setnum(it->getnum()); b1.setnameb(it->getnameb()); b1.setname(it->getname()); b1.setp(it->getp()); b1.setsum(it->getsum()); b1.setloan(it->getloan()); b1.seta(it->geta()); b1.setb(it->getb()); b1.setc(it->getc()); write_people(b1,"Book.txt"); } } if(q==0){ b1.setm(w); b1.setnum(man); b1.setnameb(a); b1.setname(b); b1.setp(c); b1.setsum(s); b1.seta(p1); b1.setb(p2); b1.setc(p3); write_people(b1,"Book.txt"); } if(q!=1){ z=Read_Book(v1,"Book.txt"); for(it1=v2.begin();it1!=v2.end();++it1){ if(strcmp(it1->getname(),a)==0){ q1=1; for(it=v1.begin();it!=v1.end();++it){ if(strcmp(it->getnameb(),a)==0){ it1->setn(it->getmanger()); } } it1->setsum(it1->getsum()+1); } } if(q1==1){ write_people1("Bookname.txt"); for(it1=v2.begin();it1!=v2.end();++it1){ bn1.setname(it1->getname()); bn1.setn(it1->getn()); bn1.setsum(it1->getsum()); write_people(bn1,"Bookname.txt"); } } if(q1==0){ bn1.setname(a); for(it=v1.begin();it!=v1.end();++it){ if(strcmp(it->getnameb(),a)==0){ bn1.setn(it->getmanger()); } } bn1.setsum(1); write_people(bn1,"Bookname.txt"); } for(it2=v3.begin();it2!=v3.end();++it2){ if(strcmp(it2->getname(),b)==0){ q2=1; for(it=v1.begin();it!=v1.end();++it){ if(strcmp(it->getname(),b)==0){ it2->setn(it->getmanger()); } } it2->setsum(it2->getsum()+1); } } if(q2==1){ write_people1("Name.txt"); for(it2=v3.begin();it2!=v3.end();++it2){ N1.setname(it2->getname()); N1.setn(it2->getn()); N1.setsum(it2->getsum()); write_people(N1,"Name.txt"); } } if(q2==0){ N1.setname(b); for(it=v1.begin();it!=v1.end();++it){ if(strcmp(it->getname(),b)==0){ N1.setn(it->getmanger()); } } N1.setsum(1); write_people(N1,"Name.txt"); } for(it3=v4.begin();it3!=v4.end();++it3){ if(strcmp(it3->getname(),c)==0){ q3=1; for(it=v1.begin();it!=v1.end();++it){ if(strcmp(it->getp(),c)==0){ it3->setn(it->getmanger()); } } it3->setsum(it3->getsum()+1); } } if(q3==1){ write_people1("Publish.txt"); for(it3=v4.begin();it3!=v4.end();++it3){ Pu1.setname(it3->getname()); Pu1.setn(it3->getn()); Pu1.setsum(it3->getsum()); write_people(Pu1,"Publish.txt"); } } if(q3==0){ Pu1.setname(c); for(it=v1.begin();it!=v1.end();++it){ if(strcmp(it->getp(),c)==0){ Pu1.setn(it->getmanger()); } } Pu1.setsum(1); write_people(Pu1,"Publish.txt"); } } cout<<"输入成功!"<<endl; } break; case 2: q=0,p1=0,p2=0,p3=0,p=0,w=1,q1=0,q2=0,q3=0,z,t3=0; if(m==1) cout<<"不能访问该功能！"<<endl; else{ w=Read_Book(v1,"Book.txt"); cout<<"输入需要修改图书的书号："<<endl; cin>>man; for(it=v1.begin();it!=v1.end();++it){ if(it->getnum()==man){ t3=1; cout<<"**************"<<endl; cout<<"1.图书号修改"<<endl; cout<<"2.图书名修改"<<endl; cout<<"3.作者修改"<<endl; cout<<"4.出版社修改"<<endl; cout<<"**************"<<endl; cin>>n2; switch(n2){ case 1: cout<<"输入修改后的书号："<<endl; cin>>man; it->setnum(man); break; case 2: cout<<"输入修改后的书名："<<endl; cin>>a; it->setnameb(a); break; case 3: cout<<"输入修改后的作者："<<endl; cin>>b; it->setname(b); break; case 4: cout<<"输入修改后的出版社："<<endl; cin>>c; it->setp(c); break; } break; } } write_people1("Book.txt"); write_people1("Bookname.txt"); write_people1("Name.txt"); write_people1("Publish.txt"); for(it=v1.begin();it!=v1.end();++it){ q=0,p1=0,p2=0,p3=0,p=0,q1=0,q2=0,q3=0; Read_Book(V1,"Book.txt"); z=Read_Book(V2,"Bookname.txt"); z=Read_Book(V3,"Name.txt"); z=Read_Book(V4,"Publish.txt"); w=it->getmanger(); man=it->getnum(); strcpy(a,it->getnameb()); strcpy(b,it->getname()); strcpy(c,it->getp()); s=it->getsum(); z=it->getloan(); for(it4=V1.begin();it4!=V1.end();++it4){ if(it4->getnum()==man){ it4->setsum(it4->getsum()+s); q=1; break; } } for(it4=V1.begin();it4!=V1.end();++it4){ p++; if(strcmp(it4->getnameb(),a)==0){ p1=p; } if(strcmp(it4->getname(),b)==0){ p2=p; } if(strcmp(it4->getp(),c)==0){ p3=p; } } if(q==1){ write_people1("Book.txt"); for(it4=V1.begin();it4!=V1.end();++it4){ b1.setm(it4->getmanger()); b1.setnum(it4->getnum()); b1.setnameb(it4->getnameb()); b1.setname(it4->getname()); b1.setp(it4->getp()); b1.setsum(it4->getsum()); b1.setloan(it4->getloan()); b1.seta(it4->geta()); b1.setb(it4->getb()); b1.setc(it4->getc()); write_people(b1,"Book.txt"); } } if(q==0){ b1.setm(w); b1.setnum(man); b1.setnameb(a); b1.setname(b); b1.setp(c); b1.setsum(s); b1.setloan(z); b1.seta(p1); b1.setb(p2); b1.setc(p3); write_people(b1,"Book.txt"); } if(q!=1){ z=Read_Book(V1,"Book.txt"); for(it1=V2.begin();it1!=V2.end();++it1){ if(strcmp(it1->getname(),a)==0){ q1=1; for(it4=V1.begin();it4!=V1.end();++it4){ if(strcmp(it4->getnameb(),a)==0){ it1->setn(it4->getmanger()); } } it1->setsum(it1->getsum()+1); } } if(q1==1){ write_people1("Bookname.txt"); for(it1=V2.begin();it1!=V2.end();++it1){ bn1.setname(it1->getname()); bn1.setn(it1->getn()); bn1.setsum(it1->getsum()); write_people(bn1,"Bookname.txt"); } } if(q1==0){ bn1.setname(a); for(it4=V1.begin();it4!=V1.end();++it4){ if(strcmp(it4->getnameb(),a)==0){ bn1.setn(it4->getmanger()); } } bn1.setsum(1); write_people(bn1,"Bookname.txt"); } for(it2=V3.begin();it2!=V3.end();++it2){ if(strcmp(it2->getname(),b)==0){ q2=1; for(it4=V1.begin();it4!=V1.end();++it4){ if(strcmp(it4->getname(),b)==0){ it2->setn(it4->getmanger()); } } it2->setsum(it2->getsum()+1); } } if(q2==1){ write_people1("Name.txt"); for(it2=V3.begin();it2!=V3.end();++it2){ N1.setname(it2->getname()); N1.setn(it2->getn()); N1.setsum(it2->getsum()); write_people(N1,"Name.txt"); } } if(q2==0){ N1.setname(b); for(it4=V1.begin();it4!=V1.end();++it4){ if(strcmp(it4->getname(),b)==0){ N1.setn(it4->getmanger()); } } N1.setsum(1); write_people(N1,"Name.txt"); } for(it3=V4.begin();it3!=V4.end();++it3){ if(strcmp(it3->getname(),c)==0){ q3=1; for(it4=V1.begin();it4!=V1.end();++it4){ if(strcmp(it4->getp(),c)==0){ it3->setn(it4->getmanger()); } } it3->setsum(it3->getsum()+1); } } if(q3==1){ write_people1("Publish.txt"); for(it3=V4.begin();it3!=V4.end();++it3){ Pu1.setname(it3->getname()); Pu1.setn(it3->getn()); Pu1.setsum(it3->getsum()); write_people(Pu1,"Publish.txt"); } } if(q3==0){ Pu1.setname(c); for(it4=V1.begin();it4!=V1.end();++it4){ if(strcmp(it4->getp(),c)==0){ Pu1.setn(it4->getmanger()); } } Pu1.setsum(1); write_people(Pu1,"Publish.txt"); } } } if(t3) cout<<"修改成功！"<<endl; } break; case 3: t1=0; Read_Book(V1,"Book.txt"); z=Read_Book(V2,"Bookname.txt"); z=Read_Book(V3,"Name.txt"); z=Read_Book(V4,"Publish.txt"); cout<<"************************"<<endl; cout<<"**1.根据书号查询"<<endl; cout<<"**2.根据书名查询"<<endl; cout<<"**3.根据作者查询"<<endl; cout<<"**4.根据出版社查询"<<endl; cout<<"************************"<<endl; cin>>n1; switch(n1){ case 1: cout<<"输入查询的书名："<<endl; cin>>man; for(it=v1.begin();it!=v1.end();++it){ if(it->getnum()==man){ t1=1; cout<<"****************************************************************************"<<endl; cout<<it->getmanger()<<" "<<it->getnum()<<" "<<it->getnameb()<<" "<<it->getname()<<" "<<it->getp()<<" "<<it->getsum()<<" "<<it->getloan()<<" "<<it->geta()<<" " <<it->getb()<<" "<<it->getc()<<endl; cout<<"****************************************************************************"<<endl; } } if(t1==0) cout<<"查无此信息！"<<endl; break; case 2: cout<<"输入查询的书名："<<endl; cin>>a; for(it1=V2.begin();it1!=V2.end();++it1){ if(strcmp(it1->getname(),a)==0){ t1=1; z=it1->getn()-1; cout<<"****************************************************************************"<<endl; while(1){ cout<<"记录号："<<V1[z].getmanger()<<"书号："<<V1[z].getnum()<<"书名："<<V1[z].getnameb()<<"作者："<<V1[z].getname()<<"出版社："<<V1[z].getp()<<"藏书量："<<V1[z].getsum()<<"借出数："<<V1[z].getloan()<<endl; if(V1[z].geta()==0) break; z=V1[z].geta()-1; } cout<<"****************************************************************************"<<endl; break; } } if(t1==0) cout<<"查无此信息！"<<endl; break; case 3: cout<<"输入查询的作者："<<endl; cin>>b; for(it2=V3.begin();it2!=V3.end();++it2){ if(strcmp(it2->getname(),b)==0){ t1=1; z=it2->getn()-1; cout<<"****************************************************************************"<<endl; while(1){ cout<<"记录号："<<V1[z].getmanger()<<"书号："<<V1[z].getnum()<<"书名："<<V1[z].getnameb()<<"作者："<<V1[z].getname()<<"出版社："<<V1[z].getp()<<"藏书量："<<V1[z].getsum()<<"借出数："<<V1[z].getloan()<<endl; if(V1[z].getb()==0) break; z=V1[z].getb()-1; } cout<<"****************************************************************************"<<endl; break; } } if(t1==0) cout<<"查无此信息！"<<endl; break; case 4: cout<<"输入查询的出版社："<<endl; cin>>c; for(it3=V4.begin();it3!=V4.end();++it3){ if(strcmp(it3->getname(),c)==0){ t1=1; z=it3->getn()-1; cout<<"****************************************************************************"<<endl; while(1){ cout<<"记录号："<<V1[z].getmanger()<<"书号："<<V1[z].getnum()<<"书名："<<V1[z].getnameb()<<"作者："<<V1[z].getname()<<"出版社："<<V1[z].getp()<<"藏书量："<<V1[z].getsum()<<"借出数："<<V1[z].getloan()<<endl; if(V1[z].getc()==0) break; z=V1[z].getc()-1; } cout<<"****************************************************************************"<<endl; break; } } if(t1==0) cout<<"查无此信息！"<<endl; break; } break; case 4: w=Read_Book(v1,"Book.txt")+1; z=Read_Book(v2,"Bookname.txt"); z=Read_Book(v3,"Name.txt"); z=Read_Book(v4,"Publish.txt"); z=Read_Book(v5,"library.txt"); cout<<"*********************************图书总索引*********************************"<<endl; cout<<"记录号 书号 书名 作者 出版社 藏书量 借出数 指针1 指针2 指针3"<<endl; for(it=v1.begin();it!=v1.end();++it){ if(strcmp(it->getnameb(),"数据库")==0){ cout<<setw(8)<<setfill(' ')<<left<<it->getmanger()<<setw(8)<<setfill(' ')<<left<<it->getnum()<<setw(17)<<setfill(' ')<<left<<it->getnameb()<<setw(12)<<setfill(' ')<<left<<it->getname()<<setw(18)<<setfill(' ')<<left<<it->getp()<<setw(8)<<setfill(' ')<<left<<it->getsum()<<setw(8)<<setfill(' ')<<left<<it->getloan()<<setw(8)<<setfill(' ')<<left<<it->geta()<<setw(8)<<setfill(' ')<<left <<it->getb()<<setw(8)<<setfill(' ')<<left<<it->getc()<<endl; } else{ cout<<setw(8)<<setfill(' ')<<left<<it->getmanger()<<setw(8)<<setfill(' ')<<left<<it->getnum()<<setw(18)<<setfill(' ')<<left<<it->getnameb()<<setw(12)<<setfill(' ')<<left<<it->getname()<<setw(18)<<setfill(' ')<<left<<it->getp()<<setw(8)<<setfill(' ')<<left<<it->getsum()<<setw(8)<<setfill(' ')<<left<<it->getloan()<<setw(8)<<setfill(' ')<<left<<it->geta()<<setw(8)<<setfill(' ')<<left <<it->getb()<<setw(8)<<setfill(' ')<<left<<it->getc()<<endl; } } cout<<"****************************************************************************"<<endl; if(m!=1){ cout<<"***************书名索引*************"<<endl; for(it1=v2.begin();it1!=v2.end();++it1){ cout<<it1->getname()<<" "<<it1->getn()<<" "<<it1->getsum()<<endl; } cout<<"************************************"<<endl; cout<<"***************作者索引*************"<<endl; for(it2=v3.begin();it2!=v3.end();++it2){ cout<<it2->getname()<<" "<<it2->getn()<<" "<<it2->getsum()<<endl; } cout<<"************************************"<<endl; cout<<"***************出版社索引***********"<<endl; for(it3=v4.begin();it3!=v4.end();++it3){ cout<<it3->getname()<<" "<<it3->getn()<<" "<<it3->getsum()<<endl; } cout<<"************************************"<<endl; cout<<"*****************************借书与还书人员统计*****************************"<<endl; for(it5=v5.begin();it5!=v5.end();++it5){ cout<<"读者号："<<it5->getname()<<"借取书号："<<it5->getbook()<<"借取数量："<<it5->getsum()<<"借取时间："<<it5->getloantime()<<"还书时间："<<it5->getloedtime()<<endl; } cout<<"****************************************************************************"<<endl; } break; case 5: t=0; break; default: break; } } } void book2_stream(){ int t=1,n,m,w,q,q1,q2,sum; char a[20],b[20]; Library l; Book b1; list<Read_stream> l1; list<Read_stream>::iterator it; Read_stream r1; vector<Book> v1; vector<Book>::iterator it1; vector<Library> v2; vector<Library>::iterator it2; while(t){ cout<<"********************************"<<endl; cout<<"1.借书处理"<<endl; cout<<"2.还书处理"<<endl; cout<<"3.返回主菜单"<<endl; cout<<"********************************"<<endl; cin>>n; switch(n){ case 1: q=0,q1=0,q2=0; Read_people(l1,"libraryRead.txt"); w=Read_Book(v1,"Book.txt"); cout<<"输入借书读者的读者号："<<endl; cin>>a; for(it=l1.begin();it!=l1.end();++it){ if(strcmp(it->getId(),a)==0){ q=1; cout<<"输入读者借取书的书号："<<endl; cin>>m; for(it1=v1.begin();it1!=v1.end();++it1){ if(it1->getnum()==m){ q1=1; cout<<"输入借取数量！"<<endl; cin>>sum; if(it1->getsum()>=sum){ q2=1; it1->setsum(it1->getsum()-sum); it1->setloan(sum+it1->getloan()); it->setloed(it->getloed()+sum); cout<<"输入借书时间："<<endl; cin>>b; l.setname(a); l.setbook(m); l.setsum(sum); l.setloantime(b); write_people(l,"library.txt"); } if(q2==0) cout<<"借取数量超额！"<<endl; break; } } if(q1==0) cout<<"没有书号为"<<m<<"的书！"<<endl; break; } } if(q==0) cout<<"没有该读者！"<<endl; if(q==1&&q1==1&&q2==1){ write_people1("libraryRead.txt"); for(it=l1.begin();it!=l1.end();++it){ r1.setId(it->getId()); r1.setnameR(it->getnameR()); r1.sethome(it->gethome()); r1.setnum(it->getnum()); r1.setloed(it->getloed()); write_people(r1,"libraryRead.txt"); } write_people1("Book.txt"); for(it1=v1.begin();it1!=v1.end();++it1){ b1.setm(it1->getmanger()); b1.setnum(it1->getnum()); b1.setnameb(it1->getnameb()); b1.setname(it1->getname()); b1.setp(it1->getp()); b1.setsum(it1->getsum()); b1.setloan(it1->getloan()); b1.seta(it1->geta()); b1.setb(it1->getb()); b1.setc(it1->getc()); write_people(b1,"Book.txt"); } cout<<"借书成功！"<<endl; } break; case 2: q=0,q1=0,q2=0; w=Read_Book(v2,"library.txt"); Read_people(l1,"libraryRead.txt"); w=Read_Book(v1,"Book.txt"); cout<<"输入还书读者的读者号："<<endl; cin>>a; cout<<"输入还书的书号："<<endl; cin>>m; for(it2=v2.begin();it2!=v2.end();++it2){ if(strcmp(it2->getname(),a)==0){ q=1; if(it2->getbook()==m){ q1=1; if(strcmp(it2->getloedtime(),"无")!=0){ q2=1; cout<<"该书已还！"<<endl; break; } for(it=l1.begin();it!=l1.end();++it){ if(strcmp(it->getId(),a)==0){ it->setloed(it->getloed()-it2->getsum()); } } for(it1=v1.begin();it1!=v1.end();++it1){ if(it1->getnum()==m){ it1->setloan(it1->getloan()-it2->getsum()); it1->setsum(it1->getsum()+it2->getsum()); } } cout<<"输入还书时间："<<endl; cin>>b; it2->setloedtime(b); } } } if(q==0) cout<<"没有该读者信息！"<<endl; if(q==1&&q1==0&&q2==0) cout<<"该读者没有借取该书！"<<endl; if(q==1&&q1==1&&q2==0) { write_people1("libraryRead.txt"); for(it=l1.begin();it!=l1.end();++it){ r1.setId(it->getId()); r1.setnameR(it->getnameR()); r1.sethome(it->gethome()); r1.setnum(it->getnum()); r1.setloed(it->getloed()); write_people(r1,"libraryRead.txt"); } write_people1("Book.txt"); for(it1=v1.begin();it1!=v1.end();++it1){ b1.setm(it1->getmanger()); b1.setnum(it1->getnum()); b1.setnameb(it1->getnameb()); b1.setname(it1->getname()); b1.setp(it1->getp()); b1.setsum(it1->getsum()); b1.setloan(it1->getloan()); b1.seta(it1->geta()); b1.setb(it1->getb()); b1.setc(it1->getc()); write_people(b1,"Book.txt"); } write_people1("library.txt"); for(it2=v2.begin();it2!=v2.end();++it2){ l.setname(it2->getname()); l.setbook(it2->getbook()); l.setsum(it2->getsum()); l.setloantime(it2->getloantime()); l.setloedtime(it2->getloedtime()); write_people(l,"library.txt"); } cout<<"还书成功！"<<endl; } break; case 3: t=0; break; default: break; } } } void menu(int m,char *ch,list<People> l){ if(m==1){ int t=1,n; while(t){ cout<<"***************************************"<<endl; cout<<"1.用户管理"<<endl; cout<<"2.图书管理"<<endl; cout<<"3.退出"<<endl; cout<<"***************************************"<<endl; cin>>n; switch(n){ case 1: user_system(m,ch,l); break; case 2: book_system(m); break; case 3: t=0; break; default: break; } }} if(m==2){ int t1=1,n1; while(t1){ cout<<"***************************************"<<endl; cout<<"1.图书管理"<<endl; cout<<"2.图书流通管理"<<endl; cout<<"3.退出"<<endl; cout<<"***************************************"<<endl; cin>>n1; switch(n1){ case 1: book_system(m); break; case 2: book2_stream(); break; case 3: t1=0; break; default: break; } } } if(m==3){ int t2=1,n2; while(t2){ cout<<"***************************************"<<endl; cout<<"1.用户管理"<<endl; cout<<"2.读者管理"<<endl; cout<<"3.退出"<<endl; cout<<"***************************************"<<endl; cin>>n2; switch(n2){ case 1: user_system(m,ch,l); break; case 2: read_system(); break; case 3: t2=0; break; default: break; } }} } int main() { list <People> l1; People p1; int t1=1,t,m; char name[20],code[16]; while(t1){ cout<<"*******************图书管理系统*********************"<<endl; cout<<"1.登入"<<endl; cout<<"2.注册"<<endl; cout<<"3.退出"<<endl; cout<<"****************************************************"<<endl; cin>>m; switch(m){ case 1: t=0; for(int i=0;i<3;i++){ Read_people(l1,"library_people12345.txt"); cout<<"输入账号："; cin>>name; cout<<"输入密码："; int m=16,j=0; char c; memset(code,0,sizeof(code)); getchar(); while(m--){ if((c=getch())=='\n'){ break; } code[j++]=c; cout<<'*'; }cout<<endl; list<People>::iterator it; for(it=l1.begin();it!=l1.end();++it){ if(strcmp(it->getname(),name)==0&&strcmp(it->getcode(),code)==0){ cout<<"登入成功！"<<endl; t=1; menu(it->getid(),it->getname(),l1); break; }} if(t) break; if(i!=2) cout<<"密码错误 请在次输入!"<<endl; else if(i==2) cout<<"三次输入错误，可尝试重新注册！"<<endl; } break; case 2: p1.seta(); cout<<"注册成功！"<<endl; write_people(p1,"library_people12345.txt"); break; case 3: t1=0; break; default: break; } } return 0; }

实现类

用户-People类

（People.h文件）

#ifndef PEOPLE_H #define PEOPLE_H class People { private: char name[20]; char code[16]; int identity; public: friend int getch( ); People(char *name1="0",char *code1="0",int identity1=0){ strcpy(name,name1); strcpy(code,code1); identity=identity1; }; People(const People &p); void setname(char *m){ strcpy(name,m); }; void setcode(char *p){ strcpy(code,p); }; void setid(int i){ identity=i; }; void seta(); void change(); char *getname(); char *getcode(); int getid(){return identity;}; }; #endif // PEOPLE_H

（People.cpp文件）

#include <bits/stdc++.h> #include <termios.h> #include <unistd.h> #include<string.h> #include "People.h" using namespace std; People::People(const People &p){ strcpy(name,p.name); strcpy(code,p.code); identity=p.identity; } char* People::getname(){ return name; } char* People::getcode(){ return code; } void People::seta(){ cout<<"输入账号："; cin>>name; cout<<"输入密码："; cin>>code; cout<<"选择你的身份"<<endl; cout<<"1.普通读者"<<endl; cout<<"2.图书管理员"<<endl; cout<<"3.系统管理员"<<endl; int n; cin>>n; switch(n){ case 1:identity=1; break; case 2: identity=2; break; case 3: identity=3; break; } }

读者信息-Read_stream类

（Read_stream.h文件）

#ifndef READ_STREAM_H #define READ_STREAM_H class Read_stream { public: Read_stream(); char* getId(); char* getnameR(); char* gethome(); char* getnum(); int getlo(); int getloed(); void setlo(int a); void setloed(int a); void setId(char *c); void setnameR(char *c); void sethome(char *c); void setnum(char *c); Read_stream operator =(int); private: char Id[20]; char nameR[20]; char home[30]; char num[20]; int lo; int loed; }; #endif // READ_STREAM_H

（Read_stream.cpp文件）

#include<cstring> #include "Read_stream.h" Read_stream::Read_stream() { strcpy(Id,"0"); strcpy(nameR,"0"); strcpy(home,"0"); strcpy(num,"0"); lo=0; loed=0; } char*Read_stream::getId(){ return Id; } char*Read_stream::getnameR(){ return nameR; } char*Read_stream::gethome(){ return home; } char*Read_stream::getnum(){ return num; } void Read_stream::setId(char *c){ strcpy(Id,c); } void Read_stream::setnameR(char *c){ strcpy(nameR,c); } void Read_stream::sethome(char *c){ strcpy(home,c); } int Read_stream::getlo(){ return lo; } int Read_stream::getloed(){ return loed; } void Read_stream::setlo(int a){ lo=a; } void Read_stream::setloed(int a){ loed=a; } void Read_stream::setnum(char *c){ strcpy(num,c); } Read_stream Read_stream::operator=(int){ Read_stream r1; r1.setId(Id); r1.setnameR(nameR); r1.sethome(home); r1.setnum(num); r1.setlo(lo); r1.setloed(loed); return r1; }

图书总信息-Book类

（Book.h文件）

#ifndef BOOK_H #define BOOK_H class Book { public: Book(); int getmanger(){ return manger; }; char* getnameb(){ return nameb; }; char* getname(){ return name; }; char* getp(){ return publish; }; int getnum(){ return num; }; int getloan(){ return loan; }; int geta(){ return a; }; int getb(){ return b; }; int getc(){ return c; }; int getsum(){ return sum; }; void setm(int n){ manger=n; }; void setnameb(char *c){ strcpy(nameb,c); }; void setname(char* c){ strcpy(name,c); }; void setp(char* c){ strcpy(publish,c); }; void setnum(int n){ num=n; }; void setsum(int n){ sum=n; }; void setloan(int n){ loan=n; }; void seta(int n){ a=n; }; void setb(int n){ b=n; }; void setc(int n){ c=n; }; private: int manger; int num; char nameb[30]; char name[20]; char publish[50]; int sum; int loan; int a; int b; int c; }; #endif // BOOK_H

（Book.cpp文件）

#include<cstring> #include "Book.h" Book::Book() { manger=0; strcpy(nameb,"0"); strcpy(name,"0"); strcpy(publish,"0"); sum=0; loan=0; a=0; b=0; c=0; } Library类 （ Library.h文件） #ifndef LIBRARY_H #define LIBRARY_H class Library { public: Library(); char* getname(){ return name; }; int getbook(){ return book; }; int getsum(){ return sum; }; char *getloantime(){ return loantime; }; char* getloedtime(){ return loedtime; }; void setname(char* c){ strcpy(name,c); }; void setbook(int a){ book=a; }; void setsum(int a){ sum=a; }; void setloantime(char* c){ strcpy(loantime,c); }; void setloedtime(char* c){ strcpy(loedtime,c); }; private: char name[20]; int book; int sum; char loantime[20]; char loedtime[20]; }; #endif // LIBRARY_H

（Library.cpp文件）

#include<cstring> #include "Library.h" Library::Library() { strcpy(name,"0"); book=0; sum=0; strcpy(loantime,"0"); strcpy(loedtime,"无"); }

作者索引-Name类

（Name.h文件）

#ifndef NAME_H #define NAME_H class Name { public: Name(); char* getname(){ return name; }; int getsum(){ return sum; }; int getn(){ return n; }; void setname(char* c){ strcpy(name,c); }; void setsum(int a){ sum=a; }; void setn(int a){ n=a; }; private: char name[30]; int sum; int n; }; #endif // NAME_H

（Name.cpp文件）

#include<cstring> #include "Name.h" Name::Name() { strcpy(name,"0"); sum=0; n=0; }

书名索引-Bookname类

（Bookname.h文件）

#ifndef BOOKNAME_H #define BOOKNAME_H class Bookname { public: Bookname(); char* getname(){ return name; }; int getsum(){ return sum; }; int getn(){ return n; }; void setname(char* c){ strcpy(name,c); }; void setsum(int a){ sum=a; }; void setn(int a){ n=a; }; private: char name[30]; int sum; int n; }; #endif // BOOKNAME_H

（Bookname.cpp文件）

#include<cstring> #include "Bookname.h" Bookname::Bookname() { strcpy(name,"0"); sum=0; n=0; }

出版社索引-Publishing类

（Publishing.h文件）

#ifndef PUBLISHING_H #define PUBLISHING_H class Publishing { public: Publishing(); char* getname(){ return name; }; int getsum(){ return sum; }; int getn(){ return n; }; void setname(char* c){ strcpy(name,c); }; void setsum(int a){ sum=a; }; void setn(int a){ n=a; }; private: char name[30]; int sum; int n; }; #endif // PUBLISHING_H

（Publishing.cpp文件）

#include<cstring> #include "Publishing.h" Publishing::Publishing() { strcpy(name,"0"); sum=0; n=0; }