displayonebook.java

来自「一个ssh的网上购物系统」· Java 代码 · 共 37 行

package com.xfaccp.bookonline.hib.util;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyTagSupport;

import com.xfaccp.bookonline.hib.dao.BookTableDAO;
import com.xfaccp.bookonline.hib.dto.BookTable;

public class DisplayOneBook extends BodyTagSupport {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	@Override
	public int doEndTag() throws JspException {
		HttpServletRequest request = (HttpServletRequest) this.pageContext
				.getRequest();
		String id = request.getParameter("id");
		System.out.println("execute taglib print:book");
		System.out.println("当前的书籍编号是：" + id);
		BookTableDAO dao = new BookTableDAO();
		BookTable bookTable = dao.findById(new Integer(id));
		request.setAttribute("book", bookTable);
		return SKIP_BODY;
	}

	@Override
	public int doStartTag() throws JspException {
		// TODO Auto-generated method stub
		return EVAL_PAGE;
	}

}