图书馆系统

﹏ヽ暗。殇╰゛Y 2022-08-26 13:24 240阅读 0赞

这个是我们的开始题目。在清明的时候我仔细的想了想。我在家做了一下。下面就是我的源代码：

\#include<iostream>  
\#include<string>  
\#include<fstream>  
\#define N 1  
using namespace std;  
class lab  
\{  
 private:  
char ISBN\[20\]; //图书号  
char bookname\[20\];  
char authorname\[20\];  
char  flno\[20\];//分类号  
char  department\[20\];//出版单位  
char  time\[15\];  
float price;  
int count;  
public:  
void input(lab l\[\],int n);  
void output(lab l\[\],int n);  
void output1(lab l\[\],int n);  
void reeadfile(lab l\[\],int n);  
void showinfor(lab l\[\],int n);  
void saveinfor(lab l\[\],int n);  
void saveinfor1(lab l\[\],int n);  
void search(lab l\[\],int n);  
void search1(lab l\[\],int n);  
void search2(lab l\[\],int n);  
void search3(lab l\[\],int n);  
void search4(lab l\[\],int n);  
void search5(lab l\[\],int n);  
void search6(lab l\[\],int n);  
void search7(lab l\[\],int n);  
void delete1(lab l\[\],int n);  
\};  
void lab::input(lab l\[\],int n)  
\{  
cout<<"请输入您要录入的图书的信息(作者名 书名 出版单位 分类号 图书编号 价格 时间):"<<endl;  
for(int i=0;i<n;i++)  
cin>>l\[i\].authorname>>l\[i\].bookname>>  
l\[i\].department>>l\[i\].flno>>l\[i\].ISBN>>l\[i\].price>>l\[i\].time;  
\}  
void lab::reeadfile(lab l\[\],int n)  
\{  
 ifstream f2;  
 f2.open("d:\\\\图书馆信息库.txt");  
 for(int i=0;i<8;i++)  
f2>>l\[i\].authorname>>l\[i\].bookname>>  
l\[i\].department>>l\[i\].flno>>l\[i\].ISBN>>l\[i\].price>>l\[i\].time;  
\}  
void lab::output1(lab l\[\],int n)  
\{  
cout<<"录入后的图书信息为:"<<endl;  
 for(int i=0;i<N;i++)  
cout<<l\[i\].authorname<<" "<<l\[i\].bookname<<" "<<  
l\[i\].department<<" "<<l\[i\].flno<<" "<<l\[i\].ISBN<<" "<<l\[i\].price<<" "<<l\[i\].time;  
      cout<<endl;  
\}  
void lab::saveinfor1(lab l\[\],int n)  
\{  
 ofstream f3;  
 f3.open("d:\\\\图书馆.txt");  
 for(int i=0;i<n;i++)  
\{ f3<<l\[i\].authorname<<" "<<l\[i\].bookname<<" "<<  
l\[i\].department<<" "<<l\[i\].flno<<" "<<l\[i\].ISBN<<" "<<l\[i\].price<<" "<<l\[i\].time;  
      f3<<endl;   
    \}  
 f3.close();  
\}  
void lab::saveinfor(lab l\[\],int n)  
\{  
 ofstream f1;  
 f1.open("d:\\\\图书馆.txt");  
 for(int i=0;i<N+8;i++)  
\{ f1<<l\[i\].authorname<<" "<<l\[i\].bookname<<" "<<  
l\[i\].department<<" "<<l\[i\].flno<<" "<<l\[i\].ISBN<<" "<<l\[i\].price<<" "<<l\[i\].time;  
      f1<<endl;   
    \}  
 f1.close();  
\}  
void lab::output(lab l\[\],int n)  
\{  
//cout<<"您录入后的图书信息为:"<<endl;  
 for(int i=0;i<N+8;i++)  
\{ cout<<l\[i\].authorname<<" "<<l\[i\].bookname<<" "<<  
l\[i\].department<<" "<<l\[i\].flno<<" "<<l\[i\].ISBN<<" "<<l\[i\].price<<" "<<l\[i\].time;  
      cout<<endl;  
    \}  
\}  
void lab::search1(lab l\[\],int n)  
\{  
 string t;int m=-1;  
 cout<<"请输入您要查询的作者名:"<<endl;  
 cin>>t;  
 for(int i=0;i<8;i++)  
\{ if(l\[i\].authorname==t)  
\{ m=i;  
   cout<<l\[m\].authorname<<" "<<l\[m\].bookname<<" "<<  
l\[m\].department<<" "<<l\[m\].flno<<" "<<l\[m\].ISBN<<" "<<l\[m\].price<<" "<<l\[m\].time;  
   cout<<endl;\}  
    \}  
 if(m==-1)  
cout<<"抱歉！本图书馆暂未收录您所查询的图书:"<<endl;  
\}  
void lab::search2(lab l\[\],int n)  
\{  
 string t;int m=-1;  
 cout<<"请输入您要查询的书名:"<<endl;  
 cin>>t;  
 for(int i=0;i<8;i++)  
\{ if(l\[i\].bookname==t)  
\{ m=i;  
   cout<<l\[m\].authorname<<" "<<l\[m\].bookname<<" "<<  
l\[m\].department<<" "<<l\[m\].flno<<" "<<l\[m\].ISBN<<" "<<l\[m\].price<<" "<<l\[m\].time;  
   cout<<endl;\}  
    \}  
 if(m==-1)  
cout<<"抱歉！本图书馆暂未收录您所查询的图书:"<<endl;  
\}  
void lab::search3(lab l\[\],int n)  
\{  
 string t;int m=-1;  
 cout<<"请输入您要查询的出版单位:"<<endl;  
 cin>>t;  
 for(int i=0;i<8;i++)  
\{ if(l\[i\].department==t)  
 \{m=i;  
   cout<<l\[m\].authorname<<" "<<l\[m\].bookname<<" "<<  
l\[m\].department<<" "<<l\[m\].flno<<" "<<l\[m\].ISBN<<" "<<l\[m\].price<<" "<<l\[m\].time;  
   cout<<endl;\}  
    \}  
 if(m==-1)  
cout<<"抱歉！本图书馆暂未收录您所查询的图书:"<<endl;  
\}  
void lab::search4(lab l\[\],int n)  
\{  
 string t;int m=-1;  
 cout<<"请输入您要查询的分类号:"<<endl;  
 cin>>t;  
 for(int i=0;i<8;i++)  
\{ if(l\[i\].flno==t)  
\{ m=i;  
   cout<<l\[m\].authorname<<" "<<l\[m\].bookname<<" "<<  
l\[m\].department<<" "<<l\[m\].flno<<" "<<l\[m\].ISBN<<" "<<l\[m\].price<<" "<<l\[m\].time;  
   cout<<endl;\}  
    \}  
 if(m==-1)  
cout<<"抱歉！本图书馆暂未收录您所查询的图书:"<<endl;  
\}  
void lab::search5(lab l\[\],int n)  
\{  
 string t;int m=-1;  
 cout<<"请输入您要查询的图书编号:"<<endl;  
 cin>>t;  
 for(int i=0;i<8;i++)  
\{ if(l\[i\].ISBN==t)  
\{  m=i;  
   cout<<l\[m\].authorname<<" "<<l\[m\].bookname<<" "<<  
l\[m\].department<<" "<<l\[m\].flno<<" "<<l\[m\].ISBN<<" "<<l\[m\].price<<" "<<l\[m\].time;  
   cout<<endl;\}  
    \}  
 if(m==-1)  
cout<<"抱歉！本图书馆暂未收录您所查询的图书:"<<endl;  
\}  
void lab::search6(lab l\[\],int n)  
\{  
 int t;int m=-1;  
 cout<<"请输入您要查询的价格:"<<endl;  
 cin>>t;  
 for(int i=0;i<8;i++)  
if(l\[i\].price==t)  
 \{m=i;  
   cout<<l\[m\].authorname<<" "<<l\[m\].bookname<<" "<<  
l\[m\].department<<" "<<l\[m\].flno<<" "<<l\[m\].ISBN<<" "<<l\[m\].price<<" "<<l\[m\].time;  
   cout<<endl;\}  
 if(m==-1)  
cout<<"抱歉！本图书馆暂未收录您所查询的图书:"<<endl;  
\}  
void lab::search7(lab l\[\],int n)  
\{  
 string t;int m=-1;  
 cout<<"请输入您要查询的时间:"<<endl;  
 cin>>t;  
 for(int i=0;i<8;i++)  
\{ if(l\[i\].time==t)  
\{  m=i;  
      cout<<l\[m\].authorname<<" "<<l\[m\].bookname<<" "<<  
 l\[m\].department<<" "<<l\[m\].flno<<" "<<l\[m\].ISBN<<" "<<l\[m\].price<<" "<<l\[m\].time;  
cout<<endl;\}  
    \}  
 if(m==-1)  
cout<<"抱歉！本图书馆暂未收录您所查询的图书:"<<endl;  
\}  
void lab::search(lab l\[\],int n)  
\{  
string t;  
int m,k;  
 cout<<"请输入您想通过查询的方式:"<<endl;  
 cout<<"1-作者名查询 2-书名查询 3-出版单位查询 4-分类号查询 5-图书编号查询 6-价格查询 7-时间查询"<<endl;  
 cin>>k;  
 switch(k)  
 \{  
 case 1:search1(l,N);break;  
 case 2:search2(l,N);break;  
 case 3:search3(l,N);break;  
 case 4:search4(l,N);break;  
 case 5:search5(l,N);break;  
 case 6:search6(l,N);break;  
 case 7:search7(l,N);break;  
 \}  
\}  
void lab::delete1(lab l\[\],int n)  
\{  
string t;  
char t1;  
int x=-1;  
 cout<<"请输入您认为无价值的书的名称:"<<endl;  
 cin>>t;  
 for(int i=0;i<8;i++)  
if(l\[i\].bookname==t)  
\{x=i;  
      cout<<"您要删除的图书的资料为:"<<endl;  
 cout<<l\[x\].authorname<<" "<<l\[x\].bookname<<" "<<  
l\[x\].department<<" "<<l\[x\].flno<<" "<<l\[x\].ISBN<<" "<<l\[x\].price<<" "<<l\[x\].time;  
 cout<<"Are you sure to delete the informatiom of the book(Y/N):"<<endl;  
 cin>>t1;  
 if(t1=='y'||t1=='Y')  
 \{for(int i=0;i<x;i++)  
 l\[i\]=l\[i\];  
 for(int i=x;i<8;i++)  
 l\[i\]=l\[i+1\];  
 cout<<"删除后的信息为:"<<endl;  
 for(int i=0;i<7;i++)  
\{  cout<<l\[i\].authorname<<" "<<l\[i\].bookname<<" "<<  
l\[i\].department<<" "<<l\[i\].flno<<" "<<l\[i\].ISBN<<" "<<l\[i\].price<<" "<<l\[i\].time;  
 cout<<endl;\}  
 \}  
 else  
 cout<<"您放弃了删除该图书请认真保存该图书吧:"<<endl;  
     \}  
 if(x==-1)  
cout<<"被系统内暂无无用的图书:"<<endl;  
\}  
void main()  
\{  
lab l\[N\];  
lab zxh;  
zxh.reeadfile(l,N);zxh.saveinfor(l,N);  
int k;  
cout<<"\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*淮阴师范学院图书馆欢迎您\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*"<<endl;  
cout<<"1-图书信息的录入 2-图书信息的查询 3-图书信息的删除 4-退出系统"<<endl;  
cout<<"请输入您要选择的功能的序号:"<<endl;  
cin>>k;  
switch(k)  
 \{  
case 1:zxh.input(l,N);zxh.output1(l,N);zxh.output(l,N);break;  
case 2:zxh.search(l,8);break;  
case 3:zxh.delete1(l,8);break;  
case 4:cout<<"\*\*\*\*\*\*\*\*欢迎使用本系统！欢迎下次继续使用本系统\*\*\*\*\*\*\*\*"<<endl;break;  
 \}  
\}