courseaction.java

学生成绩管理系统

package com.stuman.web.struts.action;

import java.io.UnsupportedEncodingException;
import java.lang.reflect.InvocationTargetException;
import java.util.List;

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.validator.DynaValidatorForm;

import com.stuman.dao.CourseDAO;
import com.stuman.domain.Course;
import com.stuman.util.DAOFactory;
import com.stuman.util.PageBean;

public class CourseAction extends BaseAction {

	private CourseDAO courseDao;

	public CourseAction() {
		this.courseDao = DAOFactory.getInstance().createCourseDAO();
	}

	public CourseDAO getCourseDAO() {
		if (this.courseDao == null) {

			return DAOFactory.getInstance().createCourseDAO();
		} else {
			return this.courseDao;
		}
	}

	public ActionForward doDefault(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		// return null;
		return getCourseList(mapping, form, request, response);
	}

	/**
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward getCourseList(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// DynaValidatorForm dform=(DynaValidatorForm) form;

		PageBean page = new PageBean();
		int currentPage = request.getParameter("currentPage") == null ? 1
				: new Integer(request.getParameter("currentPage")).intValue();

		page.setRecordsPerPage(2);
		page.setCurrentPage(currentPage);
		page.setQueryString("from Course course");
		PageBean page2 = this.getCourseDAO().getCourseList(page);
		log.info("new size=" + page2.getContent().size() + " total size"
				+ page2.getTotalRecords() + " total page"
				+ page2.getTotalPage());
		// request.setAttribute("list", page.getContent());
		request.setAttribute("splitPage", page2);
		// return null;
		return mapping.findForward("getList.sucess");
	}
	/**
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward initAddCourse(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		
		List list=this.getCourseDAO().getCourse();
		request.setAttribute("coustList", list);
		return mapping.findForward("initadd.sucess");
	}
	/**
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward addCourse(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaValidatorForm dform = (DynaValidatorForm) form;
		Course stu = new Course();
		try {
			this.getBeanUtilsBean().copyProperties(stu, dform);
			this.getCourseDAO().saveCourse(stu);
			log.info("stu==" + stu);
		} catch (IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InvocationTargetException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return getCourseList(mapping, form, request, response);
	}

	/**
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward deleteCourse(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String stuId = request.getParameter("id");

		this.getCourseDAO().deleteCourseByID(stuId);
		return getCourseList(mapping, form, request, response);
	}

	/**
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward getEditCourse(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		String courseId = request.getParameter("id");
		log.info("stuId===" + courseId);
		Course course = this.getCourseDAO().getCourseByID(courseId);
		
		List list=this.getCourseDAO().getCourse();
		log.info("course"+course);
		try {
			this.getBeanUtilsBean().copyProperties(form, course);
		} catch (IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InvocationTargetException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		request.setAttribute("coustList", list);
		request.setAttribute("course", course);
		return mapping.findForward("getCourse.sucesss");
	}

	/**
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 */
	public ActionForward updateCourse(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		DynaValidatorForm dform = (DynaValidatorForm) form;
		Course stu = new Course();
		System.out.println("fdfdf");
		try {
			this.getBeanUtilsBean().copyProperties(stu, dform);
			this.getCourseDAO().updateCourse(stu);
			log.info("upate stu==" + stu);
		} catch (IllegalAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InvocationTargetException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return getCourseList(mapping, form, request, response);
	}
}