revertaction.java

这个是一Struts实例,喜欢学习JAVA的朋友可以下载去看看 可以用作Struts入门程序,本人开发的留言簿 功能虽然简单,但是你可以完全的了解Struts这个技术 以后我还会更新这个版本,以

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.1.1/xslt/JavaClass.xsl

package com.dimscar.struts.action;

import java.io.UnsupportedEncodingException;
import java.sql.SQLException;

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.dimscar.struts.vo.LeaveWordBean;
import com.dimscar.util.LeaveWordOperate;

/** 
 * MyEclipse Struts
 * Creation date: 11-23-2006
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class RevertAction extends Action {

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 * @throws UnsupportedEncodingException 
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) throws UnsupportedEncodingException {
		request.setCharacterEncoding("gb2312");
		
		String id = request.getParameter("id");
		
		String revert = request.getParameter("revert");
		
		System.out.println(id+revert);
		
		LeaveWordOperate lwOper = new LeaveWordOperate();
		
		LeaveWordBean lwBean = new LeaveWordBean();
		
		try {
			//先根据ID查找这条留言
			lwBean = lwOper.getSeleteObject(id);
			//回复
			lwBean.setRevert(revert);
			//更新这条留言
			boolean flag = lwOper.isUpdate(lwBean);
			//更新成功
			if(flag){
				return mapping.findForward("revertSuccess");
			}else{
				//更新失败
				request.setAttribute("error","更新失败?");
				return mapping.findForward("revertError");
			}
		
		} catch (SQLException e) {
			e.printStackTrace();
		}
		
		return mapping.findForward("revertSuccess");
	}

}