tsglxt.txt

一个用C语言的图书管理系统源代码。欢迎朋友们一起交流。

                        strcpy(book[topbook].writer,s.writer);
                        strcpy(book[topbook].print,s.print);
                        book[topbook].price=s.price;
                        book[topbook].flag=1;
                        writebtxt();
                        }
                        void delbook(int number)      //删除图书
                        {
                        readbtxt();
                        for(int i=0;i<topbook;i++)
                            if(book[i].number==number)
                        {
                        if(book[i].flag==0)
                        {
                        cout<<"此书已经借出，请还回时再删除"<<endl;
                        return;
                        }
                        for(int j=i;j<topbook;j++)
                        {
                        book[j].number=book[j+1].number;
                        book[j].flag=1;
                        strcpy(book[j].name,book[j+1].name);
                        strcpy(book[j].writer,book[j+1].writer);
                        strcpy(book[j].print,book[j+1].print);
                        book[j].price=book[j+1].price;
                        };
                        topbook--;
                        writebtxt();
                        return;
                        }
                        if(book[topbook].number==number)topbook--;
                        else
                        {
                        cout<<"查无此书"<<endl;
                        return;
                        }
                        writebtxt();
                        }
                        void searchbook(int number)      //查找图书
                        {
                        readbtxt();
                        for(int i=0;i<=topbook;i++)
                        if(book[i].number=number)
                        {
                                   cout<<"编号："<<book[i].number<<endl;
                           cout<<"状态：";
                           if(book[i].flag==1)cout<<"书库中存在"<<endl;
                           else cout<<"书已经借出"<<endl;
                             cout<<"书名："<<book[i].name<<endl;
                           cout<<"作者："<<book[i].writer<<endl;
                           cout<<"出版社："<<book[i].print<<endl;
                           cout<<"价格："<<book[i].price<<endl;
                           return;
                        }
                        cout<<"查无此书！"<<endl;
                        }
                        void bookdata()      //图书管理
                        {
                        int choice,number;
                        libook s;
                        while(1)
                        {
                        cout<<"图书维护   1：新增    2：删除    3：查找    0:退出 "<<endl;
                        cin>>choice;
                        switch(choice)
                        {
                        case 0: return;
                        case 1: cout<<"输入图书编号:";
                        cin>>s.number;
                            cout<<"输入图书的名称：";
                        cin>>s.name;
                        cout<<"输入作者的姓名：";
                        cin>>s.writer;
                        cout<<"输入出版社：";
                        cin>>s.print;
                        cout<<"输入价格:";
                        cin>>s.price;
                        addbook(s);
                        break;
                        case 2: cout<<"输入删除图书的编号";
                        cin>>number;
                        delbook(number);
                        break;
                        case 3: cout<<"输入要查找的图书的编号：";
                        cin>>number;
                        searchbook(number);
                        break;
                        default: cout<<"输入错误！"<<endl;
                        break;
                        }
                        }
                        }
                        void borbook()
                        {
                        int number,numbers;
                        readbtxt();
                        readtxt();
                        cout<<"请输入你的编号：";
                        cin>>numbers;
                        for(int i=0;i<=topreader;i++)
                            if(read[i].number==numbers)break;
                        if(i=topreader+1)
                        {
                        cout<<"没有你的信息！"<<endl;
                        return;
                        }
                        for(int j=0;j<maxbor;j++)
                        if(read[i].borbook[j]==0)break;
                        if(j>maxbor-1)
                        {
                        cout<<"你所能借的书已经满了！"<<endl;
                        return;
                        }
                        cout<<"请输入要借的书的编号！"<<endl;
                        cin>>number;
                        for(int k=0;k<=topbook;k++)
                        if(book[k].number=number)
                        {
                                    if(book[k].flag=0)
                        {
                        cout<<"此书已经借出！";
                        return;
                        }
                        book[k].flag=0;
                        read[i].borbook[j]=number;
                        writetxt();
                        writebtxt();
                        return;
                        }
                        cout<<"此书不在，请重新借！"<<endl;
                        return;
                        }
                        void retbook()
                        {
                        int number,numbers;
                        readtxt();
                        readbtxt();
                        cout<<"请输入你的编号:";
                        cin>>numbers;
                        for(int i=0;i<=topreader;i++)
                        {
                        if(read[i].number==numbers)break;
                        if(i=topreader+1)
                        {
                        cout<<"没有你的信息!"<<endl;
                        return;
                        }
                        }
                        cout<<"请输入要还的书的编号！";
                        cin>>number;
                        for(int n=0;n<=topbook;n++)
                        if(book[n].number=number)break;
                        if(n==topbook+1||book[n].flag==1)
                        {
                        cout<<"此书不为图书管所有！"<<endl;
                        return;
                        };
                        for(int j=0;j<maxbor;j++)
                        if(read[i].borbook[j]=number)
                        {
                        for(int k=0;k<maxbor;k++)
                        if(read[i].borbook[k]=0)break;
                        k--;
                        for(int m=j+1;m<=k;m++)
                        {
                        read[i].borbook[j]=read[i].borbook[m];
                        j++;
                        }
                        read[i].borbook[j]=0;
                        book[n].flag=1;
                        writetxt();
                        writebtxt();
                        return;
                        }
                        if(j=maxbor)
                        {
                        cout<<"您没有借过这本书"<<endl;
                        return;
                        }
                        }
                        void main()
                        {
                        int x=1,y=1;
                            cout<<"欢迎使用本图书管理系统！"<<endl;
                        while(x!=0)
                        {
                        cout<<"请选择目的    1：进入图书管理系统    0：退出图书管理系统"<<endl;
                        cin>>x;
                        switch(x)
                        {
                        case 1: while(y!=0)
                        {
                        cout<<"请选择目的  1：借书    2：还书    3：图书维护    4：读者维护    
                        0：返回上一层"<<endl;
                        cin>>y;
                        switch(y)
                        {
                        case 1: borbook();break;
                        case 2: retbook();break;
                        case 3: bookdata();break;
                        case 4: readerdata();break;
                        case 0: break;
                        default:cout<<"输入的不正确"<<endl;break;
                        }
                        };
                        break;
                        case 0: cout<<"欢迎再次使用BYEBYE！"<<endl;
                        return;
                        default :cout<<"输入的不正确!"<<endl;
                        break;
                        }
                        }
                        }