Yii ?????? PHP ?? ??? MVC ????????. ?? ??? ?? ??, ??? ? ??????. ? ??? ???? ?? ??? ? ????? ???? ?????. ? ????? Yii ??????? ?? ??? ? ????? ???? ??? ?????.

1. ?? ???

1. ??

??? ????? ?? ?? ??? ???? ???. config/main.php ??? ?? ?? ??? ?? ??? ?????.

'components' => [
????? 'request' => [
??????? 'parsers' => [
????????? 'application/json' => 'yiiwebJsonParser',
????????? 'multipart/form-data' => 'yiiwebMultipartFormDataParser',
??????? ],
????? ],
 ?????? 'request' => [
??????? 'enableCsrfCookie' => false,
??????? 'enableCsrfValidation' => false,
??????? 'parsers' => [
????????? 'multipart/form-data' => 'yiiwebMultipartFormDataParser',
??????? ],
????? ],
 ?????? 'urlManager' => [
??????? 'enablePrettyUrl' => true,
??????? 'showScriptName' => false,
??????? 'rules' => [
??????? ],
????? ],
?
? ],

?? ??? ? ?? ?? ?? ??, ? ?? ? ???CsrfValidation? ?????. ??? ??? ?????. multipart/form-data? ???? ?? ???? ?????. ???CsrfValidation? CSRF ??? ?? ?? ?????.

2. ?? ??? ??

?????? ?? ???? ???? ?? ?? ?? Ajax ???? ??? ? ????. ???? ?? ??? ?? ???????.

public function actionUpload()
??? {
??????? $uploadModel = new UploadForm();
?
??????? if (Yii::$app->request->isPost) {
??????????? $uploadModel->file = UploadedFile::getInstance($uploadModel, 'file');
??????????? if ($uploadModel->upload()) {
??????????????? // file is uploaded successfully
??????????????? return;
??????????? }
??????? }
?
??????? return $this->render('upload', ['model' => $uploadModel]);
??? }

actionUpload??? ?? ???? ?? ?? ??? UploadForm? ????????. ??? Yii::$app->request->isPost? ???? POST ???? ??? ?????. ???? Yii::$app->request->getInstance() ???? ??? ????. ?? ??? ?? ?? ????, upload() ???? ???? ??? ??????. ???? ???? true? ????, ???? false? ?????.

UploadForm ???? ?? ??? ??? ????.

class UploadForm extends yiiaseModel
??? {
??????? /**
???????? * @var UploadedFile file attribute
???????? */
??????? public $file;
?
?
??????? /**
???????? * @return array the validation rules.
???????? */
??????? public function rules()
??????? {
??????????? return [
??????????????? [['file'], 'file'],
??????????? ];
??????? }
?
??????? public function upload()
??????? {
??????????? if ($this->validate()) {
??????????????? $filePath = 'uploads/' . $this->file->baseName . '.' . $this->file->extension;
??????????????? $this->file->saveAs($filePath);
??????????????? return true;
??????????? } else {
??????????????? return false;
??????????? }
??????? }
??? }

UploadForm??? ???? ??? ???? ?? ?? ?? ??? ?????. ??? ?? ??? ???? ??? ????, ??? ??? ? ??? ??????. ?? ??? ??? $this->file->extension???.

3. ?? ???? ??

?? ???? ??? ????? ??? ?????. ?????? ?? ?? ???? ????? ?? ???.

public function actionDownload($file)
??? {
??????? Yii::$app->response->sendFile($file);
??? }

actionDownload?? Yii::$app->response->sendFile() ???? ???? ?? ???? ?????. ??? $file? ?? ?????.

2. ??

? ????? Yii ??????? ?? ??? ? ???? ??? ???? ??? ?????. ?? ?? ??? ? ????? ?? ?? ??? ?? ??, ?? ? ??? ?????. ? ?? ??? ?? Yii ???????? ?? ??? ?? ? ?? ???? ????? ?? ??? ?? ???? ??? ??? ? ????.

? ??? Yii ??????? ?? ??? ? ????: ?? ?? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!