classasn.cpp

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#include #class

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本文展示了一个简单的C++程序，用于创建一个名为BookStuff的类来存储图书的基本信息，如书名、作者和出版社，并演示了如何使用该类实例化一个具体的图书对象以及如何通过重载类型转换运算符来获取书名。

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 BookStuff {
public:
    BookStuff(char *title, char *publisher, char *author);
    void show_book(void)
{
  cout << "Book: " << title << " by " <<
        author << " Publisher: " << publisher << endl;
};
    operator char *();

private:
    char title[64];
    char author[64];
    char publisher[64];
};

BookStuff::BookStuff(char *title, char *publisher, char *author)
{
   strcpy(BookStuff::title, title);
   strcpy(BookStuff::publisher, publisher);
   strcpy(BookStuff::author, author);
}

BookStuff::operator char *(void)
{
   char *ptr = new char[256];

   return(strcpy(ptr, title));
}

void main(void)
{
   BookStuff big_book("Jamsa's C/C++ Programmer's Bible", "Jamsa Press",
    "Jamsa and Klander");

   char *title;
   title = big_book;
   cout << "The book's title is " << title << endl;
}