【Java开源代码栏目提醒】:文章导读:在新的一年中,各位网友都进入紧张的学习或是工作阶段。网学会员整理了Java开源代码-TopicSelectAction.java的相关内容供大家参考,祝大家在新的一年里工作和学习顺利!
/*
* TopicModifyAction.java
*
* Created on 2006年6月15日, 上午2:43
*/
package action.bbs;
import form.
bbs.TopicForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.bbs.hibernate.*;
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 TopicSelectAction 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
String id = request.getParameter("id");
// 从数据库读取编号为id的主题空间信息
Topic topic = TopicUtil.find(id);
if (topic == null) {
return new ActionForward(mapping.getInput());
}
// 获得HttpSession缓存
HttpSession httpSession = request.getSession();
// 将主题空间信息存入缓存
httpSession.setAttribute("modifytopic", topic);
return mapping.findForward(SUCCESS);
}
}