qimall/addons/Store/client/controllers/DownloadController.php

<?php

namespace addons\Store\client\controllers;

use common\enums\DownloadEnum;
use common\enums\StatusEnum;
use common\helpers\FileHelper;
use common\models\common\Download;

class DownloadController extends BaseController
{
    /**
     * 下载页面
     * @return mixed|string|null
     */
    public function actionIndex()
    {
        if (\Yii::$app->request->isAjax) {
            if (\Yii::$app->request->isGet) {
                $params = \Yii::$app->request->get();
                $params['where'] = [['mall_id' => $this->mall_id, 'store_id' => $this->store_id, 'mch_id' => 0], ['<>', 'status', StatusEnum::DELETE]];
                if (!empty($params['name'])) {
                    $params['where'][] = ['like', 'name', $params['name']];
                }
                if (!empty($params['start']) || !empty($params['end'])) {
                    $params['where'][] = ['between', 'created_at', strtotime($params['start']), strtotime($params['end'])];
                }
                $params['order'] = 'id desc';
                $list = Download::listPage($params);
                $list['status_list'] = DownloadEnum::getStatusMap();
                $list['type_list'] = DownloadEnum::getTypeMap();
                return $this->success('操作成功', $list);
            }
        }
        return $this->render($this->action->id);
    }

    /**
     * 文件删除
     * @params id 文件id
     * @return mixed|void|null
     */
    public function actionDel()
    {
        $request = \Yii::$app->request;
        if ($request->isAjax) {
            if ($request->isGet) {
                $params = \Yii::$app->request->get();
                $params['mall_id'] = $this->mall_id;
                $params['store_id'] = $this->store_id;
                $params['status'] = StatusEnum::DELETE;
                $res = Download::setData($params);
                if ($res === false) return $this->error(Download::getStaticError());
                return $this->success('操作成功');
            }
        }
    }

    /**
     * 文件下载
     * @params download_id 文件id
     * @return void|\yii\web\Response
     */
    public function actionDownload()
    {
        try {
            $download_id = \Yii::$app->request->get('download_id');
            if (empty($download_id)) {
                return $this->error('参数错误');
            }
            ob_start();
            $download = Download::findOne($download_id);
            if (empty($download)) {
                $url = \Yii::$app->urlManager->createAbsoluteUrl('store/client/download/index');
                return $this->redirect($url, 301);
            }
            $filename = $download->name;
            $path_info = pathinfo($download->url);
            $size = readfile($download->url);
            header("Content-type:  application/octet-stream ");
            header("Accept-Ranges:  bytes ");
            header("Content-Disposition:  attachment;  filename= {$filename}." . $path_info['extension']);
            header("Accept-Length: " . $size);
        } catch (\Exception $e) {
            $url = \Yii::$app->urlManager->createAbsoluteUrl('store/client/download/index');
            return $this->redirect($url, 301);
        }
    }

    /**
     * 文件批量导出
     * @params download_id 文件id
     * @return mixed|null
     */
    public function actionDownloadAll()
    {
        if (!\Yii::$app->request->isGet) {
            return $this->error('请求方式错误');
        }
        $download_id = \Yii::$app->request->get('download_id');
        if (empty($download_id)) {
            return $this->error('参数错误');
        }
        $download_ids = explode(',', $download_id);
        $downloads = Download::findAll(['id' => $download_ids]);
        if (count($download_ids) != count($downloads)) {
            return $this->error('选择的文件中有不能下载的文件，请重新选择');
        }
        if (empty($downloads)) {
            return $this->error('选择的文件不存在，请重新选择');
        }
        $files = [];
        foreach ($downloads as $down) {
            $files[] = trim($down->url, '/');
        }
        $filename = FileHelper::packFiles($files, '导出文件');
        ob_start();
        $path_info = pathinfo($filename);
        $size = readfile($filename);
        header("Content-type:  application/octet-stream ");
        header("Accept-Ranges:  bytes ");
        header("Content-Disposition:  attachment;  filename= {$path_info['filename']}." . $path_info['extension']);
        header("Accept-Length: " . $size);
        return $this->success('操作成功');
    }
}