adminloginaction.java

基于struts框架编写的在线考试系统

package examonline.struts.actions;

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.AdminForm;
import org.apache.struts.action.Action;
import examonline.service.ManagerFactory;
import examonline.service.UserDAO;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionError;
import examonline.utils.Constants;

public class AdminLoginAction
    extends Action {
  public ActionForward execute(ActionMapping actionMapping,
                               ActionForm actionForm,
                               HttpServletRequest servletRequest,
                               HttpServletResponse servletResponse) {
    AdminForm adminForm = (AdminForm) actionForm;
    String name =adminForm.getName();
    String password =adminForm.getPassword();
    UserDAO um=ManagerFactory.getUserManager();
    boolean isright=um.validateUser(name,password);
    if(!isright)
    {
      ActionErrors errors =new ActionErrors();
      errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("error.admin.password"));
      saveErrors(servletRequest,errors);
      return actionMapping.getInputForward();
    }
    else
    {
      servletRequest.getSession().setAttribute(Constants.LOGIN_ADMIN_KEY,name);
      return actionMapping.findForward(Constants.FORWORD_ADMIN_LOGIN_INFO);
    }
  }
}