2024-02-16 15:13:29 +08:00
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<?php
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namespace app\controllers;
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use app\models\Share;
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use app\models\ShareSearch;
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use Yii;
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use yii\web\Controller;
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2024-02-17 16:43:39 +08:00
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use yii\web\ForbiddenHttpException;
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2024-02-16 15:13:29 +08:00
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use yii\web\NotFoundHttpException;
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use yii\filters\VerbFilter;
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use yii\web\Response;
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/**
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* ShareController implements the CRUD actions for Share model.
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*/
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class ShareController extends Controller
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{
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/**
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* @inheritDoc
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*/
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public function behaviors()
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{
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return array_merge(
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parent::behaviors(),
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[
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'verbs' => [
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'class' => VerbFilter::className(),
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'actions' => [
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'delete' => ['POST'],
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],
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],
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]
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);
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}
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/**
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* Lists all Share models.
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*
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* @return string
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*/
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public function actionIndex()
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{
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$searchModel = new ShareSearch();
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$dataProvider = $searchModel->search($this->request->queryParams);
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return $this->render('index', [
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'searchModel' => $searchModel,
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'dataProvider' => $dataProvider,
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]);
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}
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/**
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* Displays a single Share model.
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* @param int $share_id Share ID
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* @return string
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* @throws NotFoundHttpException if the model cannot be found
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*/
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public function actionView($share_id)
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{
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return $this->render('view', [
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'model' => $this->findModel($share_id),
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]);
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}
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/**
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* Creates a new Share model.
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* If creation is successful, the browser will be redirected to the 'view' page.
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* @return string|Response
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*/
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public function actionCreate(): Response|string
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{
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$model = new Share();
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if ($this->request->isPost) {
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if ($model->load($this->request->post())) {
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//对access_code进行检测
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if (empty($model->access_code) || !preg_match('/^[a-zA-Z0-9]{4}$/', $model->access_code)) {
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Yii::$app->session->setFlash('error', '访问密码必须是4位字母和数字的组合');
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return $this->render('create', ['model' => $model]);
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}
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//对file_relative_path进行检测
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$absolutePath = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . Yii::$app->user->id . '/' . $model->file_relative_path;
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if (!file_exists($absolutePath)) {
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Yii::$app->session->setFlash('error', '文件或文件夹不存在');
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return $this->render('create', ['model' => $model]);
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}
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$model->access_code = strtolower($model->access_code);
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$model->sharer_id = Yii::$app->user->id; // 自动设置 sharer_id 为当前用户的 ID
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if ($model->save()) {
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return $this->redirect(['view', 'share_id' => $model->share_id]);
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}
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}
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} else {
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$model->loadDefaultValues();
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}
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return $this->render('create', [
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'model' => $model,
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]);
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}
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/**
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* Updates an existing Share model.
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* If update is successful, the browser will be redirected to the 'view' page.
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* @param int $share_id Share ID
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* @return string|Response
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* @throws NotFoundHttpException if the model cannot be found
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*/
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public function actionUpdate($share_id)
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{
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$model = $this->findModel($share_id);
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$model->scenario = Share::SCENARIO_UPDATE; // 设置模型为 'update' 场景
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if ($this->request->isPost) {
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$postData = $this->request->post();
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if (isset($postData['Share']['access_code'])) { // 只加载 'access_code' 字段
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$model->access_code = $postData['Share']['access_code'];
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if ($model->save()) {
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return $this->redirect(['view', 'share_id' => $model->share_id]);
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}
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}
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}
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return $this->render('update', [
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'model' => $model,
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]);
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}
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/**
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* Deletes an existing Share model.
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* If deletion is successful, the browser will be redirected to the 'index' page.
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* @param int $share_id Share ID
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* @return Response
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* @throws NotFoundHttpException if the model cannot be found
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*/
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public function actionDelete($share_id)
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{
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$this->findModel($share_id)->delete();
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return $this->redirect(['index']);
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}
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/**
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* Finds the Share model based on its primary key value.
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* If the model is not found, a 404 HTTP exception will be thrown.
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* @param int $share_id Share ID
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* @return Share the loaded model
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* @throws NotFoundHttpException if the model cannot be found
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*/
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protected function findModel($share_id): Share
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{
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if (($model = Share::findOne(['share_id' => $share_id])) !== null) {
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return $model;
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}
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throw new NotFoundHttpException('The requested page does not exist.');
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}
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public function actionAccess($share_id, $access_code = null): string
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{
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$model = $this->findModel($share_id);
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//检查文件/文件夹是否存在
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$abp = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . $model->sharer_id . '/' . $model->file_relative_path;
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if (!file_exists($abp)) {
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throw new NotFoundHttpException('分享失效,文件或文件夹不存在');
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}
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if ($this->request->isPost) {
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$access_code = $this->request->post('Share')['access_code'];
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if ($access_code === $model->access_code) {
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// 访问密码正确,显示文件信息和下载按钮
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$access_granted = Yii::$app->session->get('access_granted', []);
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$access_granted[$share_id] = true;
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Yii::$app->session->set('access_granted', $access_granted); // 将访问权限信息存储到 session 中
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$absolutePath = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . $model->sharer_id . '/' . $model->file_relative_path;
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$isDirectory = is_dir($absolutePath);
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$sharerUsername = $model->getSharerUsername();
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return $this->render('_file_info', [
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'model' => $model,
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'isDirectory' => $isDirectory,
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'sharerUsername' => $sharerUsername,
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]);
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} else {
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Yii::$app->session->setFlash('error', '访问密码错误');
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}
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}
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$model1 = new Share();
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$model1->access_code = $access_code;
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return $this->render('access', [
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'model' => $model1,
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]);
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}
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/**
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* @throws ForbiddenHttpException
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* @throws NotFoundHttpException
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*/
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public function actionDownload($share_id)
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{
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$access_granted = Yii::$app->session->get('access_granted', []);
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if (!isset($access_granted[$share_id]) || !$access_granted[$share_id]) {
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throw new \yii\web\ForbiddenHttpException('你没有权限下载这个文件');
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}
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$model = $this->findModel($share_id);
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$absolutePath = Yii::getAlias(Yii::$app->params['dataDirectory']) . '/' . $model->sharer_id . '/' . $model->file_relative_path;
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if (is_file($absolutePath)) {
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return Yii::$app->response->sendFile($absolutePath);
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} else if (is_dir($absolutePath)) {
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// 如果是文件夹,压缩后发送
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$zipPath = $absolutePath . '.zip';
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$zip = new \ZipArchive();
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$zip->open($zipPath, \ZipArchive::CREATE | \ZipArchive::OVERWRITE);
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$files = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($absolutePath));
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foreach ($files as $file) {
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if (!$file->isDir()) {
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$filePath = $file->getRealPath();
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$relativePath = substr($filePath, strlen($absolutePath) + 1);
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$zip->addFile($filePath, $relativePath);
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}
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}
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$zip->close();
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return Yii::$app->response->sendFile($zipPath);
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}else{
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throw new NotFoundHttpException('异常,文件不存在');
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}
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}
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}
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