teacher_logonaction.java

可以实现在线考试

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

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

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 dao.TeacherDAO;
import form.teacher_logonForm;

/** 
 * MyEclipse Struts
 * Creation date: 04-26-2007
 * 
 * XDoclet definition:
 * @struts.action validate="true"
 */
public class teacher_logonAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		HttpSession session = request.getSession();
		teacher_logonForm tlf = (teacher_logonForm)form;
		String username = tlf.getUsername();
		String password = tlf.getPassword();
		
		TeacherDAO tdao = new TeacherDAO();
		if(tdao.isTeacher(username, password))
		{
			session.setAttribute("tno",username);
			session.setAttribute("psw",password);
			return mapping.findForward("ok");//teacher_managesubjectAction.do
		}
		else
		{
			request.setAttribute("error", "用户名或密码输入有误或为空！");
			return mapping.findForward("no");//teacher_logon.jsp
		}
	}
}