premodifyaction.java

图书商城系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.tang.admin.struts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.tang.admin.foruse.BookBean;
import com.tang.admin.foruse.BookDAO;

/** 
 * MyEclipse Struts
 * Creation date: 06-03-2008
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 * @struts.action-forward name="success" path="/modify.jsp"
 */
public class PremodifyAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// TODO Auto-generated method stub
		String bidstring = request.getParameter("id");
		int bid = 0;
		if(bidstring!=null)
		{
			bid = Integer.parseInt(bidstring);
		}
		BookDAO dao = new BookDAO();
		dao.open();
		BookBean bean = new BookBean();
		try {
			bean = (BookBean)(dao.select("select * from books where id="+bid).get(0));
		} catch (RuntimeException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		request.setAttribute("bookbean", bean);
		return mapping.findForward("success");
	}
}