detailquestionaction.java

基于struts框架编写的在线考试系统

package examonline.struts.actions.admin;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.ActionForward;
import examonline.struts.forms.QuestionForm;
import org.apache.struts.action.Action;
import examonline.beans.Question;
import examonline.service.ManagerFactory;
import org.apache.struts.action.ActionErrors;
import examonline.service.QuestionDAO;
import org.apache.struts.action.ActionError;
import examonline.utils.Constants;

public class DetailQuestionAction
    extends BaseAction {
  public ActionForward executeTask(ActionMapping actionMapping,
                               ActionForm actionForm,
                               HttpServletRequest servletRequest,
                               HttpServletResponse servletResponse) throws Exception{

    ActionErrors errors = new ActionErrors();
    HttpSession session = servletRequest.getSession();
    String currentPage =servletRequest.getParameter("page");
    String delid=servletRequest.getParameter("del_id");
    int id = Integer.parseInt(delid.trim());
    QuestionDAO qm = ManagerFactory.getQuestionManager();
    
    Question question = qm.findQuestionById(id);
    if (question != null) {
    	 session.setAttribute("question", question);
    	 return actionMapping.findForward(Constants.FORWORD_SUCCESS);
    }
    else
    {
        return actionMapping.findForward(Constants.FORWORD_SUCCESS);
    }
  }
}