public function index()
{
if (isObsoleteIE()) {
$this->error("浏览器不兼容，请选用Chrome，FireFox，Safari或IE9。<br>若您已使用IE9，请关闭兼容模式。");
} else {
redirect(__APP__ . '/Exam/manage');
}
}
public function attend()
{
if (isObsoleteIE()) {
$this->error("浏览器不兼容，请选用Chrome，FireFox，Safari或IE9。<br>若您已使用IE9，请关闭兼容模式。");
}
if (!isset($_GET['token'])) {
$this->error();
}
// $this->clearSession();
$token = $_GET['token'];
$examId = $this->parseExamId($token);
$Exam = M('Exam');
if ($currExam = $Exam->where("exam_id = {$examId}")->field('paper_id, open_datetime, close_datetime, link')->find()) {
$paperId = $currExam['paper_id'];
//比对数据库中的token与链接中的token
if ($currExam['link'] != $token) {
$this->error();
}
//验证考试是否开放
$today = date("Y-m-d H:i:s");
$openDateTime = $currExam['open_datetime'];
if ($today < $openDateTime) {
$this->error("考试还未开放，请于'" . $openDateTime . "'后登录");
} else {
if ($today > $currExam['close_datetime']) {
$this->error('考试已关闭');
}
}
//显示考卷的卷头信息
$ExamPaper = M('ExamPaper');
if ($paper = $ExamPaper->where("paper_id = {$paperId}")->field('paper_id, paper_name, total_score, total_mins, paper_desc')->find()) {
//存储考卷问题到Session中
$Model = M();
if ($questions = $Model->query("select\n\t\t\t\t\t\t\t\t\t\t\t\t\tpq.question_id,\n\t\t\t\t\t\t\t\t\t\t\t\t\tpq.question_seq,\n\t\t\t\t\t\t\t\t\t\t\t\t\tpq.question_score,\n\t\t\t\t\t\t\t\t\t\t\t\t\tcase when qh.question_type in ('radio', 'checkbox') then 0 else null end as examinee_score\n\t\t\t\t\t\t\t\t\t\t\t\tfrom\n\t\t\t\t\t\t\t\t\t\t\t\t\tpaper_question pq\n\t\t\t\t\t\t\t\t\t\t\t\t\tjoin\n\t\t\t\t\t\t\t\t\t\t\t\t\tquestion_head qh\n\t\t\t\t\t\t\t\t\t\t\t\t\ton\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tpq.question_id = qh.question_id\n\t\t\t\t\t\t\t\t\t\t\t\twhere\n\t\t\t\t\t\t\t\t\t\t\t\t\tpq.paper_id = {$paperId}\n\t\t\t\t\t\t\t\t\t\t\t\torder by\n\t\t\t\t\t\t\t\t\t\t\t\t\tpq.question_seq")) {
// $PaperQuestion = M('PaperQuestion');
// if ($questions = $PaperQuestion
// ->where("paper_id = $paperId")
// ->field('question_id, question_seq, question_score')
// ->order('question_seq')
// ->select()) {
$_SESSION['questions'] = $questions;
$_SESSION['total_mins'] = $paper['total_mins'];
$totalCount = count($questions);
$_SESSION['totalCount'] = $totalCount;
$this->assign('totalCount', $totalCount);
$this->assign('paper', $paper);
$this->assign('examId', $examId);
$this->display();
} else {
$this->error();
}
} else {
$this->error();
}
} else {
$this->error();
}
}