deleteaction.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 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.form.LoginForm;
import com.dimscar.util.LeaveWordOperate;

/** 
 * MyEclipse Struts
 * Creation date: 11-23-2006
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class DeleteAction 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");
		
		LoginForm userForm = (LoginForm)request.getSession().getAttribute("userForm");
		
		if(userForm==null){
			request.setAttribute("error","您没有权限删除此留言!请先登录?");
			return mapping.findForward("delError");
		}
		
		//留言ID
		String[] id = request.getParameterValues("id");
		
		LeaveWordOperate lwOper = new LeaveWordOperate();
		//删除记录
		int num = lwOper.delete(id);
		System.out.println(num);
		if(num==0){
			//删除错误
			request.setAttribute("error","删除留言错误?");
			return mapping.findForward("delError");
		}else{
			//删除成功,返回List.jsp页面
			return mapping.findForward("delSuccess");
		}
	}

}