public function init()
{
if (!$this->fileInputName) {
throw new yii\base\InvalidConfigException('fileInputName属性必须设置');
}
if (!file_exists(Yii::getAlias($this->savePath))) {
throw new yii\base\InvalidConfigException('保存目录不存在');
}
$this->_uploadFile = UploadedFile::getInstanceByName($this->fileInputName);
if ($this->_uploadFile) {
$this->fileMimeType = FileHelper::getMimeType($this->_uploadFile->tempName);
} else {
$this->error = '没有上传文件';
}
}
/**
* Возвращает mime тип файла
* @return string
*/
public function getMimeType()
{
return FileHelper::getMimeType($this->path);
}