如何實(shí)現(xiàn)oss php的斷點(diǎn)續(xù)傳

PHP
小樊
81
2024-09-21 16:57:50

要實(shí)現(xiàn)OSS PHP的斷點(diǎn)續(xù)傳，你可以使用以下步驟：

  1. 安裝OSS PHP SDK：首先需要在你的項(xiàng)目中安裝OSS PHP SDK。你可以通過(guò)Composer進(jìn)行安裝。在你的項(xiàng)目根目錄下運(yùn)行以下命令：
composer require aliyuncs/oss-php-sdk
  1. 初始化OSS客戶端：在你的PHP代碼中，使用OSS PHP SDK初始化一個(gè)OSS客戶端。你需要提供你的AccessKey ID、AccessKey Secret和Region等信息。例如：
require 'vendor/autoload.php';

use OSS\OssClient;
use OSS\Core\Config;

$accessKeyId = 'your-access-key-id';
$accessKeySecret = 'your-access-key-secret';
$region = 'your-region';

$config = new Config();
$config->setRegion($region);
$client = new OssClient($accessKeyId, $accessKeySecret, $config);
  1. 上傳文件：使用OSS客戶端的putObject方法上傳文件。為了實(shí)現(xiàn)斷點(diǎn)續(xù)傳，你需要在上傳文件時(shí)設(shè)置Content-Type為application/octet-stream，并且將Content-Disposition設(shè)置為attachment; filename="your-file-name"。例如：
$bucket = 'your-bucket-name';
$filePath = 'path/to/your-local-file';
$objectName = 'your-object-name';

$options = [
    ' Content-Type' => 'application/octet-stream',
    ' Content-Disposition' => 'attachment; filename="' . $objectName . '"',
];

$client->putObject($bucket, $objectName, $filePath, null, $options);
  1. 斷點(diǎn)續(xù)傳：當(dāng)你需要上傳一個(gè)大文件時(shí)，你可以將文件分塊并逐個(gè)上傳。在上傳每個(gè)塊之前，你可以先檢查該塊是否已經(jīng)上傳過(guò)。如果已經(jīng)上傳過(guò)，你可以跳過(guò)該塊并繼續(xù)上傳下一個(gè)塊。這可以通過(guò)比較文件的已上傳部分和當(dāng)前塊的哈希值來(lái)實(shí)現(xiàn)。例如：
function uploadChunk($client, $bucket, $objectName, $filePath, $startOffset, $chunkSize)
{
    $file = fopen($filePath, 'r');
    fseek($file, $startOffset);

    $options = [
        ' Content-Type' => 'application/octet-stream',
        ' Content-Disposition' => 'attachment; filename="' . $objectName . '"',
    ];

    $partSize = 5 * 1024 * 1024; // 5MB
    $hashTable = [];

    for ($i = 0; $i < $chunkSize; $i += $partSize) {
        $endOffset = min($startOffset + $chunkSize, filesize($filePath));
        fread($file, $partSize); // Read the part
        $data = fread($file, $endOffset - $startOffset);

        $hash = md5($data);
        if (isset($hashTable[$hash])) {
            echo "Chunk with hash $hash has already been uploaded.\n";
            continue;
        }

        $result = $client->putObject($bucket, $objectName, $startOffset, $data, $options);
        if ($result) {
            echo "Chunk with hash $hash uploaded successfully.\n";
            $hashTable[$hash] = true;
        } else {
            echo "Failed to upload chunk with hash $hash.\n";
        }
    }

    fclose($file);
}

$chunkSize = 10 * 1024 * 1024; // 10MB
uploadChunk($client, $bucket, $objectName, $filePath, 0, $chunkSize);

通過(guò)這種方式，你可以實(shí)現(xiàn)OSS PHP的斷點(diǎn)續(xù)傳功能。

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