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