deleteclassesaction.java

学校的课程管理及选课系统

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package org.wangsong.struts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.wangsong.dao.ClassesDAO;
import org.wangsong.dao.CourseDAO;
import org.wangsong.dao.DAOFactory;

 
public class DeleteClassesAction extends Action
{
	private ClassesDAO classesDao;

	public ClassesDAO getClassesDAO()
	{
		return DAOFactory.getInstance().createClassesDAO();
	}
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
	{
		 
		String id = (String) request.getParameter("Classes_id");

		classesDao = this.getClassesDAO();

		ActionMessage message = null;
		ActionMessages messages = null;

		if (!classesDao.deleteClassesByID(id))
		{
			message = new ActionMessage("删除失败!!!",false);
			messages = new ActionMessages();
			messages.add("delectFailure", message);
			saveErrors(request, messages);
			System.out.println("删除失败");
			return (mapping.getInputForward());
		}
		message = new ActionMessage("删除成功!!!",false);
		messages = new ActionMessages();
		messages.add("delectSuccess", message);
		saveErrors(request, messages);
		System.out.println("删除成功");
		return (mapping.findForward("success"));

	}
}