protected void queryById(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//取
String id=request.getParameter("bookid");
//调
Book book= bookService.queryById(id);
//存
HttpSession session=request.getSession();
session.setAttribute("book", book);
//转
response.sendRedirect("detail.jsp");
}
Service
Dao
@Override
public Book selectByID(String id) {
String sql="SELECT * from book_info where book_id=?";
Book book=null;
try {
book=queryRunner.query(sql,new BeanHandler<Book>(Book.class),id);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return book;
}
页面
<%@ page language=“java” contentType=“text/html; charset=UTF-8”
pageEncoding=“UTF-8”%>
<tr>
<td>图书编号</td>
<td>${book.book_code }</td>
</tr>
<tr>
<td>图书名称</td>
<td>${book.book_name }</td>
</tr>
<tr>
<td>图书分类</td>
<td>${book.book_type }</td>
</tr>
<tr>
<td>作者</td>
<td>${book.book_author }</td>
</tr>
<tr>
<td>出版社</td>
<td>${book.publish_press }</td>
</tr>
<tr>
<td>出版社时间</td>
<td>${book.publish_date }</td>
</tr>
<tr>
<td colspan="2"><a href="booklist.jsp">返回首页</a></td>
</tr>
</table>
</div>
图书借阅系统 |