图书信息管理系统代码

更新时间2018-12-20 04:42:55

至少包含三个类：Date 类（日期），Book 类（图书信息），Manage 类（实现对图 书信息的管理）。

#include<iostream>#include<fstream>#include<windows.h>#include<stdlib.h>using namespace std;void mainmenu();void Manage_Book();void input_Book();void input_Reader();void New_Book();void Seek_Book();void Borrow_Manage();void Borrow_Book();void Return_Book();void Output_Message();void Exit_System();int u,v=3,k=0;struct Book{char name[20];int booknumber;int num_present;int num_all;}book[1000];struct Reader{char name[20];int readernumber;int card;}reader[3];void mainmenu(){int Num_Choice1,flag=1;system("color E");for(;k<=0;k++){input_Book();input_Reader();}while(flag==1){system("cls");cout<<" ◆◆◆◆◆主菜单◆◆◆◆◆"<<endl<<" ☆ 1.图书管理 ☆"<<endl<<" ☆ 2.借阅管理 ☆"<<endl<<" ☆ 3.输出信息 ☆"<<endl<<" ☆ 4.退出系统 ☆"<<endl<<" ◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl;cout<<"请输入所需要的服务编码"<<endl;cin>>Num_Choice1;switch(Num_Choice1){case 1:Manage_Book();break;case 2:Borrow_Manage();break;case 3:Output_Message();break;case 4:Exit_System();flag=0;break;default:flag=0;cout<<"输入有误!!"<<endl;}}}void Manage_Book(){int flag1=1,Num_Choice2;system("cls"); while(flag1==1){cout<<" ◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl<<" ☆ 1.新书入库 ☆"<<endl<<" ☆ 2.图书查询 ☆"<<endl<<" ☆ 3.返回主菜单 ☆"<<endl<<" ◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl;cin>>Num_Choice2;switch(Num_Choice2){case 1:flag1=2;New_Book();break;case 2:flag1=2;Seek_Book();break;case 3:mainmenu();default:flag1=1;cout<<"输入有误!"<<endl;system("pause");system("cls");}}}void input_Book(){cout<<"请依照提示输入现有的三本图书的信息："<<endl;for(int i=0;i<3;i++){cout<<"书名："<<endl;cin>>book[i].name;cout<<"书号："<<endl;cin>>book[i].booknumber;cout<<"库存量："<<endl;cin>>book[i].num_all;cout<<"现存量："<<endl;cin>>book[i].num_present;}}void New_Book(){system("cls");int j;char newbook_name[20];cout<<"请输入新书书名："<<endl;cin>>newbook_name;for(j=0;j<1000;j++){if(strcmp(newbook_name,book[j].name)==0){book[j].num_all++;book[j].num_present++;break;}}if(j==1000){cout<<"请为此新书编号："<<endl;v++;cin>>book[v].booknumber;strcpy(book[v].name,newbook_name);book[v].num_all=1;book[v].num_present=1;}else cout<<"已有此书，库存量加一"<<endl;system("pause");}void Seek_Book(){system("cls");int k,booknumber;cout<<"请输入所要查询的书号："<<endl;cin>>booknumber;for(k=0;k<1000;k++){if(book[k].booknumber==booknumber){cout<<"书号："<<booknumber<<endl;cout<<"书名："<<book[k].name<<endl;cout<<"库存量："<<book[k].num_all<<endl;cout<<"现存量："<<book[k].num_present<<endl;system("pause");break;}}if(k==1000){cout<<"未找到此书！！"<<endl;system("pause");}}void Borrow_Manage(){int flag=1;system("cls");int Num_Choice3;while(flag==1){cout<<" ◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl<<" ☆ 1.借书登记 ☆"<<endl<<" ☆ 2.还书管理 ☆"<<endl<<" ☆ 3.返回主菜单 ☆"<<endl<<" ◆◆◆◆◆◆◆◆◆◆◆◆◆"<<endl;cin>>Num_Choice3;switch(Num_Choice3){case 1:flag=2;Borrow_Book();break;case 2:flag=2;Return_Book();break;case 3:mainmenu();default:flag=1;cout<<"输入有误!!"<<endl;system("pause");}system("cls");}}void input_Reader(){system("cls");cout<<"请依照提示输入现有的三位读者的信息："<<endl;for(int m=0;m<3;m++){cout<<"姓名："<<endl;cin>>reader[m].name;cout<<"编号："<<endl;cin>>reader[m].readernumber;reader[m].card=0;}}void Borrow_Book(){system("cls");char reader_name[20];int n,book_number;cout<<"请输入读者姓名："<<endl;cin>>reader_name;for(n=0;n<3;n++){if(strcmp(reader_name,reader[n].name)==0){if(reader[n].card!=0){cout<<"已借书，不能再借，请按任意键返回"<<endl;system("pause");mainmenu();}elsebreak;}}if(n==3){cout<<"无此读者！输入有误！！按任意键返回主菜单"<<endl;system("pause");mainmenu();}cout<<"请输入所借图书书号："<<endl;cin>>book_number;for(n=0;n<v;n++){if(strcmp(reader_name,reader[n].name)==0)reader[n].card=book_number;}for(n=0;n<v;n++){if(book[n].booknumber==book_number){if(book[n].num_present==0){cout<<"该书已经被借完，请按任意键返回"<<endl;system("pause");for(n=0;n<v;n++){if(strcmp(reader_name,reader[n].name)==0)reader[n].card=0;}mainmenu();}else{book[n].num_present--;cout<<"借书成功，请按任意键返回"<<endl;system("pause");break;}}}if(n==v){for(n=0;n<v;n++){if(strcmp(reader_name,reader[n].name)==0)reader[n].card=0;}cout<<"所输入的书号不存在,请按任意键返回主菜单"<<endl;system("pause");mainmenu();}}void Return_Book(){system("cls");int j;char reader_name[20];int book_number;cout<<"请输入读者姓名："<<endl;cin>>reader_name;for(j=0;j<3;j++){if(strcmp(reader_name,reader[j].name)==0)break;}if(j==3){cout<<"无此读者！输入有误！！按任意键返回主菜单"<<endl;system("pause");mainmenu();}cout<<"请输入所还图书书号："<<endl;cin>>book_number;for(j=0;j<3;j++){if(strcmp(reader_name,reader[j].name)==0){if(book_number==reader[j].card){reader[j].card=0;for(j=0;j<v;j++){if(book[j].booknumber==book_number){book[j].num_present++;cout<<"还书成功，请按任意键返回"<<endl;system("pause");break;}}}else{cout<<"该读者未借此书"<<endl;system("pause");}}if(j==v)cout<<"所输入的书号不存在："<<endl;}}void Output_Message(){system("cls");int q;cout<<"以下是图书信息"<<endl<<endl;for(q=0;q<v;q++){cout<<"书号："<<book[q].booknumber<<' ';cout<<"书名："<<book[q].name<<' ';cout<<"库存量："<<book[q].num_all<<' ';cout<<"现存量："<<book[q].num_present<<endl;}cout<<"以下是读者信息"<<endl<<endl;for(q=0;q<3;q++){cout<<"姓名："<<reader[q].name<<' '<<"编号："<<reader[q].readernumber<<' '<<"所借书号："<<reader[q].card<<endl;}system("pause");}void Exit_System(){system("cls");cout<<"欢迎下次使用，谢谢"<<endl;system("pause");}void main(){mainmenu();}

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