author == t)Р {Р flag = true;Р cout << "ISBN号:" << p->_ISBN << endl;Р cout << "作者:" << p->_author << endl;Р cout << "书名:" << p->_book << endl;Р cout << "出版社" << p->_publish << endl;Р cout << "储存量:" << p->_num << endl;Р cout << "价格:" << p->_price << endl;Р }Р else if (p->_book == t)Р {Р flag = true;Р cout << "ISBN号:" << p->_ISBN << endl;Р cout << "作者:" << p->_author << endl;Р cout << "书名:" << p->_book << endl;Р cout << "出版社" << p->_publish << endl;Р cout << "储存量:" << p->_num << endl;Р cout << "价格:" << p->_price << endl;Р }Р else if (p->_publish == t)Р {Р flag = true;Р cout << "ISBN号:" << p->_ISBN << endl;Р cout << "作者:" << p->_author << endl;Р cout << "书名:" << p->_book << endl;Р cout << "出版社" << p->_publish << endl;Р cout << "储存量:" << p->_num << endl;Р cout << "价格:" << p->_price << endl;Р }