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云代码 - c++代码库

图书管理系统

2014-07-04 作者： 云代码会员举报

[c++]代码库

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#include<iostream.h>
#include<fstream.h>
#include<string.h>
#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
#define max 3    
typedef struct Books{
    char book_name[15];
    int  total_num;
    int  borrow_num;
    char book_num[15];
    Books *next;
}books_node;
typedef struct Readers{
    char reader_name[15];
    char reader_no[15];
    int  reader_borrow_num;
    struct Reader_borrow_books{
        char borrow_books_name[15];
        char borrow_books_no[15];
    }reader_borrow_book[max];
    Readers *next;
}readers_node;
class books  {                                                                              
protected:
 
    books_node *broot;
public:
    books();
    savebooks();
    search_book();
    print_books();
    virtual add_book()=0;
    virtual delet_book()=0;
};
class manager:public books         
{
     
protected:
    readers_node *rroot;
public:
    manager(readers_node*);
    savereaders();
    add_book();
    delet_book();
    search_reader();
    add_reader();
    delet_reader();
    print_readers();
};
class reader:public books{
private:readers_node* personnel;
public:
    reader(readers_node*);
    add_book();
    reader_borrow();
    delet_book();
    reader_return();
    print_me();
    save_readers(readers_node*);
};
books::books()
{
    books_node *r;
    broot=new books_node;
    r=new books_node;
    r->next=NULL;
    broot=r;
    ifstream inFile;
    inFile.open("c:\\books.dat",ios::binary);
    if(inFile.is_open()==-1)cout<<"con't open books.dat"<<endl;
    else
    {
            int i=0;
            while(1)
            {  
                i++;
                books_node *node;
                node=new books_node;
                inFile.read( (char*)node,sizeof(books_node));
                if(inFile.eof())   break;
                node->next=r->next;
                r->next=node;   
            }
            inFile.close();
            if(i<2)cout<<"暂时没有图书数据"<<endl;
    }
}
books::savebooks()
{
    books_node *L;
    L=new books_node;
    L=broot->next;
     
    ofstream outFile;
    outFile.open("c:\\books.dat",ios::binary);
    while(L)
    {
        outFile.write((char*)L,sizeof(books_node));
        L=L->next;
    }
    outFile.close();   
}
books::search_book()
{
    char searchedbook[15];
    cout<<"输入要查找的书的名子:";
    cin>>searchedbook;
    books_node *r;
    r=new books_node;
    r=broot->next;
    while(r)
    {
        if((strcmp(searchedbook,r->book_name))==0)
        {
            cout<<"书名:"<<r->book_name<<"      书的总量:"<<r->total_num<<"       借出:"<<r->borrow_num<<"    书的编号:"<<r->book_num<<endl;break;
             
        }
        r=r->next;
         
    }
    if(r==NULL)cout<<"对不起，没有此书"<<endl; 
}
books::print_books()
{
    books_node *r;
    r=new books_node;
    r=broot->next;
     
    while(r)
    {
        cout<<"书名:" <<r->book_name<<" 书的总量:"<<r->total_num<<"  借出:"<< r->borrow_num <<" 书的编号:"<<r->book_num<<endl;
 
        r=r->next;
         
    }
    delete r;
}
manager::add_book()
{
    books_node *L;
    L=new books_node;
    L=broot;
    while(1)
    {
        books_node *r;
        r=new books_node;
        r->next=NULL;
        cout<<"输入书名：";
        cin>>r->book_name;
         
        cout<<"输入书的编号：";
        cin>>r->book_num; 
         
        r->borrow_num=0;
        cout<<"输入总数：";
        cin>>r->total_num;
        r->next=L->next;
        L->next=r;
        cout<<"add more?(n终止,其它键继续)";
        char sign;
        cin>>sign;
        if(sign=='n'||sign=='N')
            break;
    }
    broot=L;
    savebooks();   
}
manager::delet_book()
{
    char deleted[15];
    cout<<"输入要删除的图书名字:";
    cin>>deleted;
    books_node *node,*L;
    node=new books_node;
    L=new books_node;
    node=broot;
    while(node->next)
    {
        if((strcmp(deleted,node->next->book_name))==0)break;         
        node=node->next;
    }
    if(node->next==NULL)
    {
        cout<<"sorry!There is no the book!"<<endl;
    }
    else
    {
        if(node->next->borrow_num==0)
        {
        node->next=node->next->next;
        savebooks();
        }
        else
            cout<<"对不起，暂时不能删除，因为还有没有归还的书"<<endl;
    }
}
manager::manager(readers_node*node)
{
    rroot=new readers_node;
    rroot=node;
}
manager::savereaders()
{
    readers_node *L;
    L=new readers_node;
    L=rroot->next;
     
    ofstream outFile;
    outFile.open("c:\\Readers.dat",ios::binary);
     
    while(L)
    {
        outFile.write((char*)L,sizeof(readers_node));
        L=L->next;
    }
    outFile.close();
}
manager::add_reader()
{
    readers_node *L;
    L=new readers_node;
    L=rroot;
    int sign=0;
     
    while(1)
    {
        readers_node *r;
        r=new readers_node;
        r->next=NULL;
         
        cout<<"输入姓名：";
        cin>>r->reader_name;
         
        cout<<"输入读者的编号：";
        cin>>r->reader_no;
         
        r->reader_borrow_num=0;
         
         
        r->next=L->next;
        L->next=r;
        cout<<"add more?(n终止,其它键继续)";
        char sign;
        cin>>sign;
        if(sign=='n'||sign=='N')
            break;
    }
    rroot=L;
    savereaders(); 
}
manager::delet_reader()
{
    char deleted[15];
    cout<<"输入要删除读者的名字:";
    cin>>deleted;
    readers_node *node,*L;
    node=new readers_node;
    L=new readers_node;
    node=rroot;
    while(node->next)
    {
        if((strcmp(deleted,node->next->reader_name))==0)break;           
        node=node->next;
    }
    if(node->next==NULL)
    {
        cout<<"sorry!There is no the reader!"<<endl;
    }
    else
    {
        node->next=node->next->next;
         
        savereaders();
    }  
}
manager::search_reader()
{
    readers_node *r;
    r=new readers_node;
    r=rroot->next;
    char reader[15];
    cout<<"输入要查找读者的姓名:";
    cin>>reader;
    while(r)
    {
        if((strcmp(reader,r->reader_name))==0)
        {
            cout<<"姓名:"<<r->reader_name<<"    编号:"<<r->reader_no<<"        借书总数:"<<r->reader_borrow_num<<endl;
            for(int i=0;i<r->reader_borrow_num;i++)
            {
                cout<<"书名:"<<r->reader_borrow_book[i].borrow_books_name<<"            "<<"书的编号:"<<r->reader_borrow_book[i].borrow_books_no;
            }
            break;
        }
        else r=r->next;
    }
    if(!r)cout<<"没有此人"<<endl;
     
}
manager::print_readers()
{
    readers_node *printL;
    printL=new readers_node;
    printL=rroot->next;
     
    while(printL)
    {
        cout<<"姓名        编号         借书总数"<<endl;
        cout<<printL->reader_name<<"        "<<printL->reader_no<<"        "<<printL->reader_borrow_num<<endl;
        for(int i=0;i<printL->reader_borrow_num;i++)
        {
            cout<<"书名:"<<printL->reader_borrow_book[i].borrow_books_name<<"            "<<"书的编号:"<<printL->reader_borrow_book[i].borrow_books_no;
        }
        printL=printL->next;
    }
     
    delete printL;
}
reader::reader(readers_node*node)
{
    (personnel)=new readers_node;
    personnel=node;
}
reader::add_book()
{
    books_node*node;
    node=new books_node;
    node=broot->next;
    char returned[15];
    cout<<"输入要还书的名子:";
    cin>>returned;
    for(int i=0;i<personnel->reader_borrow_num;i++)
    {
        if((strcmp(returned,personnel->reader_borrow_book[i].borrow_books_name))==0)break;
    }
    if(i==personnel->reader_borrow_num+1)
    {
        printf("不好意思，你没有此书");system("pause");
    }
    else{
         
        while(node)
        {
            if((strcmp(node->book_name,returned)==0))break;
            else node=node->next;
             
        }
        if(node)
        {
             
            personnel->reader_borrow_num--;
            node->borrow_num--;
             
            savebooks();
        }
        else cout<<"对不起，没有你要还的书或者所还书被删除"<<endl;
    }
}
reader::delet_book()      
{
    if(personnel->reader_borrow_num<max)
    {
    books_node*node;
     
    node=new books_node;
    node=broot->next;
 
    char borrowed[15];
    cout<<"输入要借书的名子:";
    cin>>borrowed;
    while(node)
    {
        if((strcmp(node->book_name,borrowed)==0))break;
        else node=node->next;
 
    }
    if(node&&(node->total_num-node->borrow_num)>0)
    {
    strcpy(personnel->reader_borrow_book[personnel->reader_borrow_num].borrow_books_name,node->book_name);
    strcpy(personnel->reader_borrow_book[personnel->reader_borrow_num++].borrow_books_no,node->book_num);
    node->borrow_num++;
 
    savebooks();
    }
    else cout<<"对不起，没有你要借的书或者所要借的书已经借完！"<<endl;
 
    }
    else cout<<"对不起，你借书的数量已经超过最大借数量"<<endl;
}
reader::print_me()
{
         
        cout<<"姓名"<<personnel->reader_name<<"   编号:"<<personnel->reader_no<<"   借书总数:"<<personnel->reader_borrow_num<<endl;
 
            for(int i=0;i<personnel->reader_borrow_num;i++)
            {
                printf("书名:%s,书的编号:%s",personnel->reader_borrow_book[i].borrow_books_name,personnel->reader_borrow_book[i].borrow_books_no);
            }
}
void Pause()
{
    getch();
    fflush(stdin);
}
reader::reader_borrow()
{
    delet_book();
}
reader::reader_return()
{
    add_book();
}
reader::save_readers(readers_node *L)
{
    readers_node *root;
    root=new readers_node;
 
    root=L->next;
    ofstream outFile;
    outFile.open("c:\\Readers.dat",ios::binary);
    while(root)
    {  
        outFile.write((char*)root,sizeof(readers_node));
        root=root->next;
    }
    outFile.close();
}
readers_node* read_readers()
{
    readers_node *r;
    r=new readers_node;
    r->next=NULL;
    int flag=0;
    ifstream inFile;
    inFile.open("c:\\Readers.dat",ios::binary);
    if(inFile.is_open()==-1)
         
    {
        cout<<"con't open readers.dat"<<endl;return r;
    }
    else
    {
        while(1)
        {
            flag++;
            readers_node *node;
            node=new readers_node;
            inFile.read((char*)node,sizeof(readers_node));
            if(inFile.eof()) break;
            node->next=r->next;
            r->next=node;
        }  
        inFile.close();
        if(flag<2)
        {
            cout<<"暂无读者 "<<endl; return r;
        }
        else           
            return r;      
    }  
}
password()
{  
    system("cls");
    char a[]="111111",b[10],c;int n=0,k;
    cerr<<"\n\n\n\n\t\t\t请输入密码，你将拥有3次机会:\n";
 
    while(1)
    {
        n++;
        k=0;
        cerr<<"\t\t\t输入密码:";
 
        while(1)
        {
            c=getch();
            if(c==13)break;
            b[k]=c;k++;
            cerr<<"*";
        }
        b[k]='\0';
        cout<<"\n";
        if(n>2)
        {
            printf("你已经超过输入次数，系统将退出\n");
            getch();
        }
        if(strcmp(a,b)==0)break;
        else cout<<"密码错误，请重新输入\n";
        cerr<<"\n";
    }
}
void manager_menu_1(manager M)
{
    int N;
    while(1)
    {
        cout<<"┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n";
        cout<<"┃    图书管图书管理系统                                    ┃\n";
        cout<<"┃        菜单                                              ┃\n";
        cout<<"┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n";
        cout<<"┃①增加图书                                                ┃\n";
        cout<<"┃ ②.删除图书                                              ┃\n";
        cout<<"┃ ③.查找图书                                              ┃\n";
        cout<<"┃ ④.输出所有                                              ┃\n";
        cout<<"┃   退出请按0                                              ┃\n";
        cout<<"┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n";
        cout<<"请输入您的选择(0--4):( )\b\b";
        cin>>N;
        switch (N)
        {
        case 1:  M.add_book();getch();break;
        case 2:  M.delet_book();getch();break;
        case 3:  M.search_book();getch();break;
        case 4:  M.print_books();getch();break;
        case 0:  return;
        }
        system("cls"); 
    }  
     
}
void manager_menu_2(manager M)
{
        int N;
    while(1)
    {
        cout<<"┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n";
        cout<<"┃    图书管图书管理系统                                    ┃\n";
        cout<<"┃         菜单                                             ┃\n";
        cout<<"┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n";
        cout<<"┃①增加读者                                                ┃\n";
        cout<<"┃ ②删除读者                                               ┃\n";
        cout<<"┃③查找读者                                                ┃\n";
        cout<<"┃④输出所有                                                ┃\n";
        cout<<"┃   退出请按0                                              ┃\n";
        cout<<"┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n";
        cout<<"请输入您的选择(0--4):( )\b\b";
        cin>>N;
        switch (N)
        {
        case 1:  M.add_reader();getch();break;
        case 2:  M.delet_reader();getch();break;
        case 3:  M.search_reader();getch();break;
        case 4:  M.print_readers();getch();break;
        case 0:  return;
        }
        system("cls");
         
    }  
}
void manager_menu(readers_node*L)
{
    system("cls");
    password();
    manager Manager(L);
    int N;
while(1)
    {
        cout<<"┏━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n";
        cout<<"┃   图书管图书管理系统                                 ┃\n";
        cout<<"┃      菜单                                            ┃\n";
        cout<<"┣━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n";
        cout<<"┃①图书维护                                            ┃\n";
        cout<<"┃②读者维护                                            ┃\n";
        cout<<"┃退出请按0                                             ┃\n";
        cout<<"┗━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n";
        cout<<"请输入您的选择(0--2):( )\b\b";
        cin>>N;
        switch (N)
        {
        case 1: system("cls"); manager_menu_1(Manager); break;
        case 2:  system("cls"); manager_menu_2(Manager);break;
        case 0:  return;
        }
        system("cls");
    }  
}
reader_menu(readers_node*L)
{
    char name[15];
    cout<<"输入用户名:";
    cin>>name;
    readers_node* node;
    node=new readers_node;
    node=L->next;
     
    while(node)
    {
        if((strcmp(name,node->reader_name))==0)
            break;
        else
            node=node->next;
    }
    if(node)
    {
        reader Reader(node);
        int N;
        while(1)
        {
            cout<<"┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n";
            cout<<"┃图书管图书管理系统                                          ┃\n";
            cout<<"┃      菜单                                                  ┃\n";
            cout<<"┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n";
            cout<<"┃①借书                                                      ┃\n";
            cout<<"┃ ②还书                                                     ┃\n";
            cout<<"┃③查找书                                                    ┃\n";
            cout<<"┃ ④.输出所有                                                ┃\n";
            cout<<"┃ ⑤自身信息                                                 ┃\n";
            cout<<"┃退出请按0                                                   ┃\n";
            cout<<"┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n";
            cout<<"请输入您的选择(0--5):( )\b\b";
            cin>>N;
            switch (N)
            {
            case 1: system("cls") ;Reader.reader_borrow();Reader.save_readers(L);break;
            case 2: system("cls"); Reader.reader_return();Reader.save_readers(L);break;
            case 3: system("cls");Reader.search_book();system("pls");break;
            case 4: system("cls");Reader.print_books();getch();break;
            case 5: system("cls");Reader.print_me(); Pause();break;
            case 0:  return;
            }
            system("cls"); 
             
        }
    }
    else
    {
        printf("没有这个用户！按任意键继续");
        getch();
        return;
    }  
}
main()
{
readers_node* Reader_root;
Reader_root=new readers_node;
Reader_root=read_readers();
int N;
while(1)
    {       system("cls");
        cout<<"┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\n";
        cout<<"┃     图书管图书管理系统                                   ┃\n";
        cout<<"┃          菜单                                            ┃\n";
        cout<<"┣━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┫\n";
        cout<<"┃①图书管理员                                              ┃\n";
        cout<<"┃ ②.读  者                                                ┃\n";
        cout<<"┃推出请按0                                                 ┃\n";
        cout<<"┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\n";
        cout<<"请输入您的选择(0--2):( )\b\b";
        cin>>N;
        switch (N)
        {
        case 1:  manager_menu(Reader_root);break;
        case 2:  reader_menu(Reader_root);break;
        case 0:exit(0);break;
        }
    }
}


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