jsp学习札记（23）

package servlet.user;
	import java.io.IOException;
	import javax.servlet.RequestDispatcher;
	import javax.servlet.ServletException;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;
	import dao.DBOperation;
	import util.Validate;
	public class BookinfServlet extends HttpServlet {
		public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
			Validate vd = new Validate();
			int id = Integer.parseInt(request.getParameter("bookId"));
			DBOperation dbo=new DBOperation();
			String sql = "select * from books where id='" + id + "'";
			request.setAttribute("bookinf", dbo.queryReturnList(sql));
			String str = "/user/bookDetail.jsp";
			RequestDispatcher rd = request.getRequestDispatcher(str);
			rd.forward(request, response);
		}
		public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
			doGet(request, response);
		}
	}