【Java开源代码栏目提醒】:以下是网学会员为您推荐的Java开源代码-ArticleDeleteAction.java,希望本篇文章对您学习有所帮助。
/*
* ArticleDeleteAction.java
*
* Created on 2006年6月15日, 上午2:43
*/
package action.bbs;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.bbs.hibernate.ArticleUtil;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForward;
/**
*
* @author Administrator
* @version
*/
public class ArticleDeleteAction extends Action {
/* forward name="success" path="" */
private final static String SUCCESS = "success";
/**
* This is the action called from the Struts framework.
* @param mapping The ActionMapping used to select this instance.
* @param form The optional ActionForm bean for this request.
* @param request The HTTP Request we are processing.
* @param response The HTTP Response we are processing.
* @throws java.lang.Exception
* @return
*/
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
// 从用户Http请求中得到参数id的值,即当前的文章编号
String id = request.getParameter("id");
// 删除数据库中编号为id的文章信息
boolean isSuccess = ArticleUtil.delete(id);
if (isSuccess == false) {
return new ActionForward(mapping.getInput());
}
// 从数据库中读取当前所有的文章信息
List list = ArticleUtil.findAll();
if (list == null) {
return new ActionForward(mapping.getInput());
}
// 获得HttpSession缓存
HttpSession httpSession = request.getSession();
// 将查询得到的所有文章信息存入缓存
httpSession.setAttribute("articlelist", list);
return mapping.findForward(SUCCESS);
}
}