PHP web\UploadedFile类代码示例

 public function afterSave($insert, $changedAttributes)
 {
     $this->preview_input = UploadedFile::getInstance($this, 'preview_input');
     if (!empty($this->preview_input)) {
         $this->preview_input->saveAs($this->preview_picture);
     }
     parent::afterSave($insert, $changedAttributes);
 }

 /**
  * copy Yii2 UploadedFile
  * @param UploadedFile $upoadFile 
  * @return boolean
  * @throws NotFoundHttpException
  */
 public function uploadYii2UloadFile(UploadedFile $upoadFile)
 {
     if (!$upoadFile->saveAs($this->getFilePath())) {
         throw new NotFoundHttpException(Yii::t('d3files', 'The uploaded file does not exist.'));
     }
     return true;
 }

 /**
  * @param \yii\web\UploadedFile $file
  *
  * @return int
  */
 public function saveData(\yii\web\UploadedFile $file)
 {
     $ext = $file->getExtension();
     $baseName = $file->getBaseName();
     $model = new \metalguardian\fileProcessor\models\File();
     $model->extension = $ext;
     $model->base_name = $baseName;
     $model->save(false);
     return $model->id;
 }

 /**
  * Saves a file
  * @param \yii\web\UploadedFile $file the file uploaded
  * @param string $name the name of the file. If empty, it will be set to the name of the uploaded file
  * @param array $options to save the file. The options can be any of the following:
  *  - `folder` : whether we should create a subfolder where to save the file
  * @return boolean
  */
 public function save($file, $name, $options = [])
 {
     $folder = ArrayHelper::getValue($options, 'folder');
     $path = $folder ? $this->getBasePath() . DIRECTORY_SEPARATOR . $folder . ltrim($name, DIRECTORY_SEPARATOR) : $this->getBasePath() . DIRECTORY_SEPARATOR . ltrim($name, DIRECTORY_SEPARATOR);
     @mkdir(dirname($path), 0777, true);
     return $file->saveAs($path);
 }

 /**
  * Saving file to temporary directory and resize it if needed.
  * @param UploadedFile $file File needs to save.
  * @param integer $maxImageWidth Maximum image width.
  * @param integer $maxImageHeight Maximum image height.
  * @param integer $quality Image quality (for jpeg only).
  * @return string Name of file relative to web root.
  */
 public static function save(UploadedFile $file, $maxImageWidth, $maxImageHeight, $quality)
 {
     $name = self::generateName($file->name);
     $filename = Yii::getAlias('@webroot') . $name;
     $file->saveAs($filename);
     $image = new ImageFile($filename, ['jpegQuality' => $quality]);
     $image->bounds($maxImageWidth, $maxImageHeight);
     $image->save();
     return $name;
 }

 /**
  * @inherited
  */
 public function beforeSave($insert)
 {
     if ($this->file && $this->file instanceof UploadedFile && parent::beforeSave($insert)) {
         FileHelper::createDirectory(dirname($this->filename));
         return $this->file->saveAs($this->filename, false);
     }
     return false;
 }

 public static function uploadLogo(UploadedFile $fileInstance, $dir = '', $resizeWidth = null, $resizeHeight = null, $resizeCrop = false)
 {
     $fileName = Upload::getUploadPath($dir) . DIRECTORY_SEPARATOR . 'logo.' . $fileInstance->extension;
     $uploaded = $resizeWidth ? self::copyResizedImage($fileInstance->tempName, $fileName, $resizeWidth, $resizeHeight, $resizeCrop) : $fileInstance->saveAs($fileName);
     if (!$uploaded) {
         throw new HttpException(500, 'Cannot upload file "' . $fileName . '". Please check write permissions.');
     }
     return Upload::getLink($fileName);
 }

 /**
  * @param UploadedFile $file
  */
 public function saveFile(UploadedFile $file)
 {
     if ($file) {
         $folder = \Yii::getAlias('@webroot') . '/uploads/settings/' . $this->key . '/';
         if (is_dir($folder) == false) {
             mkdir($folder, 0755, true);
         }
         $file->saveAs($folder . $file->name);
         Image::thumbnail($folder . $file->name, 160, 90)->save($folder . 'thumb_' . $file->name, ['quality' => 90]);
     }
 }

 public function upload()
 {
     if ($this->imageFile = UploadedFile::getInstance($this, 'imageFile')) {
         $this->preview = md5($this->imageFile->baseName . time()) . '.' . $this->imageFile->extension;
         $this->imageFile->saveAs(Yii::getAlias('@webroot') . '/' . self::UPLOAD_DIR . $this->preview);
         $this->imageFile = NULL;
         Image::thumbnail('@webroot/' . self::UPLOAD_DIR . $this->preview, 120, 120)->save(Yii::getAlias('@webroot') . '/' . self::UPLOAD_DIR . 'thumb/' . $this->preview, ['quality' => 80]);
     }
 }

 public function upload()
 {
     if ($this->validate()) {
         $this->excelFile->saveAs(Yii::$app->basePath . '/uploads/' . $this->excelFile->baseName . '.' . $this->excelFile->extension);
         return true;
     } else {
         return false;
     }
 }

 public function upload()
 {
     if ($this->validate()) {
         $this->IMAGE->saveAs('upload/' . $this->IMAGE->baseName . '.' . $this->IMAGE->extension);
         return true;
     } else {
         return false;
     }
 }

 public function uploadImage()
 {
     if ($this->validate() && $this->imageFile) {
         $this->imageFile->saveAs(Yii::getAlias("@webroot") . '/uploads/' . $this->imageFile->baseName . '.' . $this->imageFile->extension);
         return true;
     } else {
         return false;
     }
 }

 public function afterSave($insert, $changedAttributes)
 {
     if ($this->scenario == self::SCENARIO_FILE_UPLOAD) {
         $fileName = $this->getFileName();
         FileHelper::createDirectory(dirname($fileName));
         $this->fileUpload->saveAs($fileName);
     }
     parent::afterSave($insert, $changedAttributes);
 }

 public function upload()
 {
     if ($this->validate()) {
         $this->filename = \Yii::$app->security->generateRandomString() . '.' . $this->file->extension;
         $this->file->saveAs("uploads/{$this->filename}");
         return true;
     }
     return false;
 }

 public function upload()
 {
     if ($this->validate()) {
         $this->imageFile->saveAs('img/' . $this->imageFile->baseName . '.' . $this->imageFile->extension);
         return true;
     } else {
         return false;
     }
 }