addquestionaction.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 org.apache.struts.action.ActionForward;
import examonline.struts.forms.QuestionForm;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import examonline.service.ManagerFactory;
import examonline.service.UserDAO;
import examonline.beans.User;
import examonline.utils.Constants;
import examonline.struts.forms.UserForm;
import org.apache.struts.action.ActionErrors;
import examonline.exceptions.UserAreadyExistException;
import examonline.beans.Question;
import examonline.service.QuestionDAO;

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

      ActionErrors errors = new ActionErrors();
      QuestionForm questionForm = (QuestionForm) actionForm;
      Question question = questionForm.getQuestion();
      QuestionDAO qm = ManagerFactory.getQuestionManager();
      int result = qm.saveQuestion(question);
      if(result == 0)
      {
          errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("error.user.save"));
          this.saveErrors(servletRequest, errors);

      }
      else
        servletRequest.removeAttribute("questionForm");
       return actionMapping.getInputForward();
    }


}