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在 PHP SDK 中向 PDF 添加书签

构建您自己的 PHP 应用程序，通过服务器端 API 向 PDF 文件添加书签。

如何通过云 PHP SDK 向 PDF 添加书签

要向 PDF 添加书签，我们将使用 Aspose.PDF Cloud PHP SDK 此云 SDK 帮助 PHP 程序员使用 Aspose.PDF REST API 开发基于云的 PDF 创建者、注释器、编辑器和转换器应用程序。只需在 Aspose for Cloud 上创建一个帐户并获取您的应用程序信息。一旦拥有 App SID 和密钥，就可以开始使用 Aspose.PDF Cloud PHP SDK。

Package Manager Console Command     
    composer install

通过云 PHP 添加书签到 PDF 的步骤

Aspose.PDF Cloud 开发者可以轻松加载并在仅需几行代码中将书签添加到 PDF。

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向 PDF 添加书签

使用 PHP 向 PDF 添加书签

    private function _create_rest_api() {
        $credentials = json_decode(file_get_contents("./Credentials/credentials.json"), true);

        $configAuth = new Configuration();
        $configAuth->setAppKey($credentials['key']);
        $configAuth->setAppSid($credentials['id']);

        $this->pdfApi = new PdfApi(null, $configAuth);
    }

    public function __construct($config) {
        $this->configParams = $config;
        $this->_create_rest_api();
    }

    public function uploadDocument() {
        $filePath = $this->configParams['LOCAL_FOLDER'] . $this->configParams['PDF_DOCUMENT_NAME'];
        $fileData = file_get_contents($filePath);

        $response = $this->pdfApi->uploadFile($this->configParams['PDF_DOCUMENT_NAME'], $fileData);
        if ($response->getCode() === 200) {
            echo "Uploaded file: {$this->configParams['PDF_DOCUMENT_NAME']}\n";
        } else {
            echo "Failed to upload file.";
        }
    }

    public function downloadResult() {
        $response = $this->pdfApi->downloadFile($this->configParams['PDF_DOCUMENT_NAME']);
        $filePath = $this->configParams['LOCAL_FOLDER'] . $this->configParams['LOCAL_RESULT_DOCUMENT_NAME'];

        if ($response->getCode() === 200) {
            file_put_contents($filePath, $response->getContents());
            echo "Downloaded: $filePath\n";
        } else {
            echo "Failed to download file.";
        }
    }

    public function appendBookmarkLink() {
        $bookmarkLink = new Link(array('rel' => 'self'));
        $bookmarkColor = new Color(array('a' => 255, 'r' => 0, 'g' => 255, 'b' => 0));

        $newBookmark = new Bookmark(array(
            'title' => $this->configParams['NEW_BOOKMARK_TITLE'],
            'italic' => true,
            'bold' => false,
            'links' => array( $bookmarkLink ),
            'color' => $bookmarkColor,
            'action' => LinkActionType::GO_TO_ACTION,
            'level' => 1,
            'pageDisplayLeft' => 83,
            'pageDisplayTop' => 751,
            'pageDisplayZoom' => 2,
            'pageNumber' => $this->configParams['NEW_BOOKMARK_PAGE_NUMBER']
        ));

        $response = $this->pdfApi->postBookmark( $this->configParams['PDF_DOCUMENT_NAME'], $this->configParams['PARENT_BOOKMARK_FOR_APPEND'], array( $newBookmark ) );

        if ($response->getCode() === 200 && null !== $response->getBookmarks()->getList()) {
            $bookmarks = $response->getBookmarks()->getList();
            $addedBookmark = end($bookmarks);
            echo "Appended bookmark: {$addedBookmark->getLinks()[0]->getHref()} => {$addedBookmark->getTitle()}\n";
            return $addedBookmark;
        } else {
            echo "Failed to append bookmark.";
        }
    }

    function main() {
        global $configParams;

        try {
            $pdfBookmarks = new PdfBookmarks($configParams);
            $pdfBookmarks->uploadDocument();
            $pdfBookmarks->appendBookmarkLink();
            $pdfBookmarks->downloadResult();
        } catch (\Exception $e) {
            echo "Error: " . $e->getMessage() . "\n";
        }
    }