package?com.wgh.action;

import?java.util.Iterator;
import?java.util.List;

import?javax.servlet.http.*;

import?org.apache.struts.action.*;

import?com.wgh.actionForm.LessonForm;
import?com.wgh.dao.LessonDAO;

public?class?Lesson?extends?Action?{
	private?LessonDAO?lessonDAO?=?null;

	public?Lesson（）?{
		this.lessonDAO?=?new?LessonDAO（）;
	}
	public?ActionForward?execute（ActionMapping?mapping?ActionForm?form
			HttpServletRequest?request?HttpServletResponse?response）?{
		String?action?=?request.getParameter（“action“）;
		System.out.println（“獲取的查詢字符串：“?+?action）;
		if?（action?==?null?||?““.equals（action））?{
			return?mapping.findForward（“error“）;
		}?else?if?（“lessonQuery“.equals（action））?{
			return?lessonQuery（mapping?form?request?response）;
		}?else?if?（“lessonAdd“.equals（action））?{
			return?lessonAdd（mapping?form?request?response）;
		}?else?if?（“lessonDel“.equals（action））?{
			return?lessonDel（mapping?form?request?response）;
		}else?if（“selectLesson“.equals（action））{
			return?selectLesson（mapping?form?request?response）;
		}else?if（“ready“.equals（action））{
			return?ready（mapping?form?request?response）;
		}
		request.setAttribute（“error“?“操作失敗！“）;
		return?mapping.findForward（“error“）;
	}

	//?查詢課程信息
	private?ActionForward?lessonQuery（ActionMapping?mapping?ActionForm?form
			HttpServletRequest?request?HttpServletResponse?response）?{
		request.setAttribute（“lessonQuery“?lessonDAO.query（0））;
		return?mapping.findForward（“lessonQuery“）;
	}

	//?添加課程
	private?ActionForward?lessonAdd（ActionMapping?mapping?ActionForm?form
			HttpServletRequest?request?HttpServletResponse?response）?{
		LessonForm?lessonForm?=?（LessonForm）?form;
		int?ret?=?lessonDAO.insert（lessonForm）;
		System.out.println（“返回值ret：“?+?ret）;
		if?（ret?==?1）?{
			return?mapping.findForward（“lessonAdd“）;
		}?else?if?（ret?==?2）?{
			request.setAttribute（“error“?“該課程已經添加！“）;
			return?mapping.findForward（“error“）;
		}?else?{
			request.setAttribute（“error“?“添加課程失敗！“）;
			return?mapping.findForward（“error“）;
		}
	}
	//?刪除課程
	private?ActionForward?lessonDel（ActionMapping?mapping?ActionForm?form
			HttpServletRequest?request?HttpServletResponse?response）?{
		LessonForm?lessonForm?=?（LessonForm）?form;
		int?ret?=?lessonDAO.delete（lessonForm）;
		if?（ret?==?0）?{
			request.setAttribute（“error“?“刪除課程失敗！“）;
			return?mapping.findForward（“error“）;
		}?else?{
			return?mapping.findForward（“lessonDel“）;
		}
	}
	//在線考試時選擇課程
	private?ActionForward?selectLesson（ActionMapping?mapping?ActionForm?form
			HttpServletRequest?request?HttpServletResponse?response）?{?
		HttpSession?session?=?request.getSession（）;
		String?stu=session.getAttribute（“student“）.toString（）;	//獲取學號
		List?list=lessonDAO.query（stu）;	//查詢包括考試題目的課程列表，但不包括已經考過的科目
		if（list.size（）<1）{
			return?mapping.findForward（“noenLesson“）;
		}else{
			request.setAttribute（“lessonList“list）;
			return?mapping.findForward（“selectLes

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????7129??2017-05-23?00:35??db_exam.sql
?????目錄???????????0??2017-06-10?14:07??exam_2.0\
?????文件?????????727??2017-05-26?19:35??exam_2.0\.classpath
?????文件????????1041??2017-05-26?19:25??exam_2.0\.project
?????目錄???????????0??2017-05-26?19:25??exam_2.0\.settings\
?????文件?????????503??2017-05-26?19:25??exam_2.0\.settings\.jsdtscope
?????文件?????????364??2017-05-26?19:25??exam_2.0\.settings\org.eclipse.jdt.core.prefs
?????文件?????????476??2017-05-26?19:25??exam_2.0\.settings\org.eclipse.wst.common.component
?????文件?????????305??2017-05-26?19:25??exam_2.0\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2017-05-26?19:25??exam_2.0\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-05-26?19:25??exam_2.0\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2017-05-26?19:25??exam_2.0\build\
?????目錄???????????0??2017-06-08?23:02??exam_2.0\build\classes\
?????目錄???????????0??2017-06-08?23:02??exam_2.0\build\classes\com\
?????文件?????????110??2017-06-06?09:34??exam_2.0\build\classes\com\connDB.properties
?????目錄???????????0??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\
?????目錄???????????0??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\action\
?????目錄???????????0??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\actionForm\
?????文件????????1064??2017-06-10?16:46??exam_2.0\build\classes\com\wgh\actionForm\LessonForm.class
?????文件????????1125??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\actionForm\ManagerForm.class
?????文件?????????599??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\actionForm\MoreSelect.class
?????文件?????????771??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\actionForm\QueryResultIfForm.class
?????文件????????4558??2017-06-09?11:08??exam_2.0\build\classes\com\wgh\actionForm\QuestionsForm.class
?????文件????????2366??2017-06-09?11:09??exam_2.0\build\classes\com\wgh\actionForm\StudentForm.class
?????文件????????1552??2017-06-09?11:09??exam_2.0\build\classes\com\wgh\actionForm\StuResultForm.class
?????文件????????1720??2017-06-09?11:10??exam_2.0\build\classes\com\wgh\actionForm\TaoTiForm.class
?????文件????????3947??2017-06-11?00:21??exam_2.0\build\classes\com\wgh\action\Lesson.class
?????文件????????4326??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\action\Manager.class
?????文件????????4145??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\action\Questions.class
?????文件?????????933??2017-06-08?23:02??exam_2.0\build\classes\com\wgh\action\SelfRequestProcessor.class
?????文件????????6982??2017-06-11?00:24??exam_2.0\build\classes\com\wgh\action\StartExam.class
............此處省略140個文件信息