在Laravel 5.3下使用Gridfs和mongo-php-library 2.2驱动程序

问题描述

我们使用最新的MongoDB PECL软件包(1.2.2)PHP7-Laravel 5.3-jenssegers/laravel-mongodb 3.1

We use PHP7, latest MongoDB PECL package (1.2.2) - Laravel 5.3 - jenssegers/laravel-mongodb 3.1

我想使用GridFS.通常可以在MongoDB PECL软件包中使用它，但是没有文档，也没有可用的代码示例.

I want to use GridFS. It's normally available into the MongoDB PECL package but there are no documentation nor working code example.

推荐答案

您可以使用Bucket类在mongo-php-library 2.2驱动程序上将文档上传和下载到mongodb网格.

You can use Bucket class for upload and download documents to mongodb grid on mongo-php-library 2.2 driver.

//upload file
$bucket = \DB::connection('mongodb')->getMongoDB()->selectGridFSBucket();
$resource = fopen($file_path, "a+");
$file_id = $bucket->uploadFromStream($file_path, $resource);

//download file
$bucket = \DB::connection('mongodb')->getMongoDB()->selectGridFSBucket();
$file_metadata = $bucket->findOne(["_id" => $file_id]);
$path = $file_metadata->filename;

if(!file_exists($path)) {
    $downloadStream = $bucket->openDownloadStream($file_id);
    $stream = stream_get_contents($downloadStream, -1);
    $ifp = fopen($path, "a+");
    fwrite($ifp, $stream);
    fclose($ifp);
}

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