yii2-netdisk/models/UploadForm.php

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<?php
/*
* 这里的代码借鉴了 https://www.yiiframework.com/doc/guide/2.0/en/input-file-upload
*/
namespace app\models;
use Yii;
use yii\base\Model;
use yii\web\UploadedFile;
class UploadForm extends Model
{
public UploadedFile|null $uploadFile;
public $targetDir; //相对路径
public function rules()
{
return [
[['uploadFile'], 'file', 'skipOnEmpty' => false, 'checkExtensionByMimeType' => false], //这规则奇怪的放走近科学都可以拍好几集了
];
}
public function upload()
{
if ($this->validate()) {
if ($this->targetDir === null) {
$this->targetDir = '.';
}
if (str_contains($this->targetDir, '..')) {
return false;
}
$userHomeDir = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id;
$absolutePath = $userHomeDir . '/' . $this->targetDir;
if (!is_dir($absolutePath)) {
return false;
}
$fileName = $this->uploadFile->fullPath;
$directory = dirname($absolutePath . '/' . $fileName);
if (!is_dir($directory)) {
mkdir($directory, 0777, true);
}
$this->uploadFile->saveAs($absolutePath . '/' . $fileName);
return true;
} else {
return false;
}
}
}