/**
* 删除症状
* @param type $id
* @return type
*/
public function actionDelete($id)
{
$flag[] = Symptom::deleteAll('id = :id', ['id' => $id]);
$flag[] = SymptomContent::deleteAll('id = :id', ['id' => $id]);
$flag[] = $this->relate->deleteRelateDisease($id);
$flag[] = $this->relate->deleteRelateSymptom($id);
$flag[] = $this->relate->deleteRelatePart($id);
$flag[] = $this->relate->delImage($id);
$num = count($flag);
//当前删除记录操作的总个数
$n = 0;
foreach ($flag as $v) {
//循环出所有的值，值分为0 1 ，成功是1，失败是0
$n = $v + $n;
}
if ($n < $num) {
//如果结果小于总个数，说明有失败
if (!$flag) {
Yii::$app->getSession()->setFlash('error', 'ID:' . $id . ' 删除失败！');
return $this->redirect(Url::toRoute('symptom/index'));
}
}
Yii::$app->getSession()->setFlash('success', 'ID:' . $id . ' 成功删除！');
return $this->redirect(Url::toRoute('symptom/index'));
}
