protect.cpp

最新推荐文章于 2023-01-24 11:16:56 发布

原创最新推荐文章于 2023-01-24 11:16:56 发布 · 356 阅读

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本文介绍了一个使用C++实现的图书类和图书馆卡片类的设计案例。图书类包括基本属性如书名，并能够显示书名。图书馆卡片类继承自图书类，增加了作者和出版社属性，同时可以展示书籍成本。通过具体实例展示了如何创建一个图书馆卡片对象并调用其成员函数来获取图书的详细信息。

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name="google_ads_frame" marginwidth="0" marginheight="0" src="http://pagead2.googlesyndication.com/pagead/ads?client=ca-pub-5572165936844014&dt=1194442938015&lmt=1194190197&format=336x280_as&output=html&correlator=1194442937843&url=file%3A%2F%2F%2FC%3A%2FDocuments%2520and%2520Settings%2Flhh1%2F%E6%A1%8C%E9%9D%A2%2FCLanguage.htm&color_bg=FFFFFF&color_text=000000&color_link=000000&color_url=FFFFFF&color_border=FFFFFF&ad_type=text&ga_vid=583001034.1194442938&ga_sid=1194442938&ga_hid=1942779085&flash=9&u_h=768&u_w=1024&u_ah=740&u_aw=1024&u_cd=32&u_tz=480&u_java=true" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"> #include <iostream.h>
#include <string.h>

class Book
{
public:
    Book(char *title) { strcpy(Book::title, title); };
    void show_title(void) { cout << title << endl; };
protected:
    float cost;
    void show_cost(void) { cout << cost << endl; };
private:
    char title[64];
};

class LibraryCard : public Book
{
public:
    LibraryCard(char *title, char *author, char *publisher) : Book(title)
      {
        strcpy(LibraryCard::author, author);
        strcpy(LibraryCard::publisher, publisher);
        cost = 49.95;
      };
    void show_library(void)
{
        show_title();
        show_cost();
        cout << author << ' ' << publisher;
};
private:
    char author[64];
    char publisher[64];
};