class booklist { public: };

CString bookname;//书名 CString congshuname;//丛书种类 CString writer;//作者 CString price;//价格 CString dateyear;//出版年份 CString datemonth;//出版月份 CString ISBN; booklist *next;

5.2 系统函数详细介绍

增加书籍：

void CAddDlg::OnButtonAdd() {

// TODO: Add your control notification handler code here UpdateData();

extern booklist *head_book;

if(m_bookname==""||m_congshuname==""||m_isbn==""||m_m

onth==""||m_price==""||m_writer==""||m_year=="")

MessageBox("请填写完整图书信息");

else {

booklist *p=head_book;