qimall/backend/modules/mall/controllers/DownloadController.php

<?php

namespace backend\modules\mall\controllers;

use common\enums\DownloadEnum;
use common\models\common\Download;
use backend\controllers\MallController;

use common\enums\StatusEnum;
use common\helpers\csv\CsvExportHelper;
use common\helpers\FileHelper;
use Yii;
use yii\web\ForbiddenHttpException;
use function GuzzleHttp\Psr7\str;

/**
 *
 * Class DownloadController
 * @Author: hua
 * @DateTime: 2021/10/11 15:46
 * @Copyright: copyright (c) 2021 广东七件事集团
 * @package backend\modules\mall\controllers
 */
class DownloadController extends MallController
{
    /**
     *
     * @return mixed|string|void
     */
    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' => 0, 'mch_id' => 0],['<>','status',StatusEnum::DELETE]];
                if(!empty($params['name'])){
                    $params['where'][] = ['like','name',$params['name']];
                }
                if(!empty($params['datetime'][0])){
                    $params['where'][] = ['>=','created_at',strtotime($params['datetime'][0])];
                }
                if(!empty($params['datetime'][1])){
                    $params['where'][] = ['<=','created_at',strtotime($params['datetime'][1])];
                }
                $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);
    }



    /**
     * 删除
     * @Author: hua
     * @DateTime: 2021/10/11 16:05
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @return mixed|void
     */
    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['status'] = StatusEnum::DELETE;
                $res = Download::setData($params);
                if ($res === false) return $this->error(Download::getStaticError());
                return $this->success('操作成功');
            }
        }
    }

    /**
     * 下载
     * @Author: hua
     * @DateTime: 2021/10/13 14:53
     * @Copyright: copyright (c) 2021 广东七件事集团
     */
    public function actionDown(){
        try{
            $download_id = Yii::$app->request->get('download_id');
            ob_start();
            $download = Download::findOne($download_id);
            if (empty($download)) {
                $url = \Yii::$app->urlManager->createAbsoluteUrl('mall/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('mall/download/index');
            return $this->redirect($url, 301);
        }
    }


        /**
     * @name: 
     * @msg: 重新生成下载文件
     * @param {*}
     * @return {*}
     */    
    public function actionRegenerate()
    {
        if (!\Yii::$app->request->isGet) {
            return $this->error('请求方式错误');
        }
        $download_id = Yii::$app->request->get('download_id');
        $res = CsvExportHelper::regenerateDownloadFile($download_id);
        if ($res) {
            return $this->success('操作成功');
        } else {
            return $this->error('操作失败');
        }
    }

    /**
     * @name: 
     * @msg: 批量下载导出文件
     * @param {*}
     * @return {*}
     */
    public function actionMultipleDownload()
    {
        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, '/');
        }
        // dd($files);
        $filename = FileHelper::packFiles($files, '导出文件');
        // dd($filename);

        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');
    }
}