deleteuseraction.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.UserForm;
import org.apache.struts.action.Action;
import examonline.service.ManagerFactory;
import examonline.service.DBManager;
import examonline.service.UserDAO;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.*;
import examonline.utils.Constants;
import java.io.*;

public class DeleteUserAction
    extends BaseAction {
  public ActionForward executeTask(ActionMapping actionMapping,
                               ActionForm actionForm,
                               HttpServletRequest servletRequest,
                               HttpServletResponse servletResponse) {
    ActionErrors errors = new ActionErrors();
    String userid = servletRequest.getParameter("del_id");
    UserDAO dm = ManagerFactory.getUserManager();
    int result = dm.deleteUserById(userid);
    if (result == 0)
    {
    errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("error.user.delete"));
    this.saveErrors(servletRequest,errors);
    return actionMapping.getInputForward();
    }
    else
    {
       return actionMapping.findForward(Constants.FORWORD_SUCCESS);

    }
  }
}