資源簡介
基于java的在線考試系統-畢業設計
代碼片段和文件信息
package?com.wgh.action;
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(); //獲取準考證號
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(“selectLesson“);
}
}
//準備考試
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-12-26?15:14??zxks\
?????文件????????1896??2017-12-26?14:32??zxks\.classpath
?????文件????????1179??2017-12-05?13:18??zxks\.project
?????目錄???????????0??2017-12-06?10:38??zxks\.settings\
?????文件?????????503??2013-08-02?10:02??zxks\.settings\.jsdtscope
?????文件????????1009??2017-12-05?14:54??zxks\.settings\com.genuitec.eclipse.j2eedt.core.prefs
?????文件??????????76??2017-12-05?13:14??zxks\.settings\com.genuitec.eclipse.migration.prefs
?????文件?????????395??2013-08-02?10:02??zxks\.settings\org.eclipse.jdt.core.prefs
?????文件?????????441??2017-12-05?14:54??zxks\.settings\org.eclipse.wst.common.component
?????文件?????????305??2017-12-26?14:31??zxks\.settings\org.eclipse.wst.common.project.facet.core.xm
?????文件??????????49??2013-08-02?10:02??zxks\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2013-08-02?10:02??zxks\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2013-08-02?13:11??zxks\build\
?????目錄???????????0??2017-12-26?14:32??zxks\build\classes\
?????目錄???????????0??2017-12-26?14:32??zxks\build\classes\com\
?????文件?????????110??2013-08-02?10:08??zxks\build\classes\com\connDB.properties
?????目錄???????????0??2017-12-26?14:32??zxks\build\classes\com\wgh\
?????目錄???????????0??2017-12-26?14:32??zxks\build\classes\com\wgh\action\
?????目錄???????????0??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\
?????文件????????1320??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\LessonForm.class
?????文件????????1125??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\ManagerForm.class
?????文件?????????599??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\MoreSelect.class
?????文件?????????771??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\QueryResultIfForm.class
?????文件????????4829??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\QuestionsForm.class
?????文件????????2622??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\StudentForm.class
?????文件????????1808??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\StuResultForm.class
?????文件????????1720??2017-12-26?14:32??zxks\build\classes\com\wgh\actionForm\TaoTiForm.class
?????文件????????4018??2017-12-26?14:32??zxks\build\classes\com\wgh\action\Lesson.class
?????文件????????4417??2017-12-26?14:32??zxks\build\classes\com\wgh\action\Manager.class
?????文件????????4200??2017-12-26?14:32??zxks\build\classes\com\wgh\action\Questions.class
?????文件?????????933??2017-12-26?14:32??zxks\build\classes\com\wgh\action\SelfRequestProcessor.class
............此處省略173個文件信息
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