courseaction.java

来自「java 框架核心技术编程」· Java 代码 · 共 174 行

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

import java.util.List;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;
import org.lxh.factory.DAOFactory;
import org.lxh.struts.form.CourseForm;
import org.lxh.vo.Course;

/**
 * MyEclipse Struts Creation date: 06-14-2007
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/course" name="courseForm" input="/form/course.jsp"
 *                parameter="status" scope="request" validate="true"
 */
public class CourseAction extends DispatchAction {
	/*
	 * Generated Methods
	 */

	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward insert(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		CourseForm courseForm = (CourseForm) form;
		Course c = new Course();
		c.setName(courseForm.getName());
		c.setTeacher(courseForm.getTeacher());
		c.setCreditHour(Integer.parseInt(courseForm.getCreditHour()));
		try {
			DAOFactory.getCourseDAOInstance().insert(c);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return mapping.findForward("insertdo");
	}

	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		CourseForm courseForm = (CourseForm) form;
		try {
			DAOFactory.getCourseDAOInstance().delete(
					Integer.parseInt(courseForm.getCid()));
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return mapping.findForward("deletedo");
	}

	public ActionForward update(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		CourseForm courseForm = (CourseForm) form;
		Course c = new Course();
		c.setCid(Integer.parseInt(courseForm.getCid()));
		c.setName(courseForm.getName());
		c.setTeacher(courseForm.getTeacher());
		c.setCreditHour(Integer.parseInt(courseForm.getCreditHour()));
		try {
			DAOFactory.getCourseDAOInstance().update(c);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return mapping.findForward("updatedo");
	}

	public ActionForward selectid(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		CourseForm courseForm = (CourseForm) form;
		Course c = null;
		try {
			c = DAOFactory.getCourseDAOInstance().queryByCId(
					Integer.parseInt(courseForm.getCid()));
		} catch (NumberFormatException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		request.setAttribute("course", c);
		return mapping.findForward("update");
	}

	public ActionForward selectcoursestudent(ActionMapping mapping,
			ActionForm form, HttpServletRequest request,
			HttpServletResponse response) {
		// System.out.println("--------------------") ;
		CourseForm courseForm = (CourseForm) form;
		Course c = null;
		try {
			c = DAOFactory.getCourseDAOInstance().queryByCId(
					Integer.parseInt(courseForm.getCid()));
		} catch (NumberFormatException e) {
			e.printStackTrace();
		} catch (Exception e) {
			e.printStackTrace();
		}
		request.setAttribute("course", c);
		return mapping.findForward("liststudent");
	}

	public ActionForward selectall(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List all = null;
		try {
			all = DAOFactory.getCourseDAOInstance().queryAll();
		} catch (Exception e) {
			e.printStackTrace();
		}
		request.setAttribute("all", all);
		return mapping.findForward("list");
	}

	public ActionForward choosecourse(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List all = null;
		try {
			all = DAOFactory.getCourseDAOInstance().queryAll();
		} catch (Exception e) {
			e.printStackTrace();
		}
		request.setAttribute("all", all);
		return mapping.findForward("choosecourse");
	}
	public ActionForward selectlike(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		List all = null;
		try {
			all = DAOFactory.getCourseDAOInstance().queryByLike(
					request.getParameter("keyWord"));
		} catch (Exception e) {
			e.printStackTrace();
		}
		request.setAttribute("all", all);
		return mapping.findForward("list");
	}
	public ActionForward cancelchoosecourse(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		try {
			int cid = Integer.parseInt(request.getParameter("cid"));
			int sid = Integer.parseInt(request.getParameter("sid"));
			Course c = DAOFactory.getCourseDAOInstance().queryByCId(cid) ;
			c.getSids().remove(new Integer(sid)) ;
			DAOFactory.getCourseDAOInstance().update(c) ;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return mapping.findForward("cancelchoosecourse");
	}
}