replyaction.java

struts的一个入门例子,struts的一个入门例子!

// Created by Xslt generator for Eclipse.
// XSL :  not found (java.io.FileNotFoundException:  (Bad file descriptor))
// Default XSL used : easystruts.jar$org.easystruts.xslgen.JavaClass.xsl

package net.javafan.guestbook.action;

import java.sql.SQLException;
import java.util.ArrayList;

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

import net.javafan.guestbook.data.GetGuestbook;
import net.javafan.guestbook.dboperator.DBConn;
import net.javafan.guestbook.form.ReplyForm;

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

/** 
 * ReplyAction.java created by EasyStruts - XsltGen.
 * http://easystruts.sf.net
 * created on 09-12-2004
 * 
 * XDoclet definition:
 * @struts:action path="/reply" name="replyForm" input="/reply.jsp" validate="true"
 * @struts:action-forward name="/index.jsp" path="/index.jsp"
 */
public class ReplyAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param ActionMapping mapping
	 * @param ActionForm form
	 * @param HttpServletRequest request
	 * @param HttpServletResponse response
	 * @return ActionForward
	 * @throws Exception
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response)
		throws Exception {
		ReplyForm replyForm = (ReplyForm) form;
		String reply = replyForm.getReply();
		String id = replyForm.getId();
		DBConn db = new DBConn();
		String replySql = "update guestbook set reply='" + reply + "',replydate=now() where id =" + id;
		try{
			db.executeUpdate(replySql);
		}catch(SQLException ex){
			System.out.print("Reply Error：" + ex.getMessage());
		}finally{
			db.CloseConn();
		}
		GetGuestbook getgb = new GetGuestbook();
		ArrayList gblist = getgb.getGblist();
		request.setAttribute("gblist", gblist);
		request.setAttribute("gbcount", new Integer(gblist.size()));

		return (mapping.findForward("replyok"));
	}

}