public function updateStudentTuitions($classId, $tuitions)
{
try {
$tId = session('instId');
$sts = explode('|', $tuitions);
$class = new \Home\Model\ClassModel();
$class->startTrans();
for ($i = 0; $i < count($sts); $i++) {
$st = explode(':', $sts[$i]);
$class->updateStudentTuitionForClass($tId, (int) $classId, (int) $st[0], (int) $st[1] * 100);
$class->updateStudentTuitionForClassDetailAndStudentRela($tId, (int) $classId, (int) $st[0], (int) $st[1] * 100);
}
$class->commit();
$data = "true";
} catch (Exception $e) {
$class->rollback();
$data = "false";
}
$this->ajaxReturn($data);
}