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開発者ガイド
Official Documentation
Developer Guide This guide provides comprehensive information and references to help you effectively use the Document API, understand adaptive media modules, and create video shortcut providers.
検索APIの基本
Official Documentation
Search API Basics Generally Available in Liferay DXP 2025.Q4+/Portal 2026.Q1+ You can search for content from a Liferay search page, but you can also use the /search API endpoints. If you're...
サイトAPI
Official Documentation
Site APIs Use Liferay’s REST APIs to manage site elements programmatically. This guide introduces the Navigation Menu API and shows how to create, retrieve, update, and delete navigation menus...
検索候補API
Official Documentation
Search Suggestions API DXP 7.4 U36+/Portal GA36+ You can return suggestions using the /suggestions headless API. This API is used by Liferay's Search Bar Suggestions feature. There are two primary...
ユーザー管理API
Official Documentation
User Management APIs You can use headless APIs to interface with important Liferay user management features, including user accounts, organizations, and roles. Here are resources to help you...
アカウントグループ API の基礎
Official Documentation
Account Groups API Basics Liferay DXP/Portal 7.4+ You can manage account groups from the Applications menu or use Liferay's REST APIs. Call these services to create and manage account groups. ...
Liferay DXP 2024.Q2 の重大な変更点
Official Documentation
Liferay DXP 2024.Q2 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2024.Q2. As the...
2023年の廃止予定と重大な変更
2023 Deprecations and Breaking Changes Liferay quarterly releases introduce new features and enhancements while phasing out older or less-used functionality. Some features move to Maintenance Mode,...
非推奨および重大な変更のリファレンス
Deprecations and Breaking Changes Reference Liferay quarterly releases introduce new features and enhancements while phasing out older or less-used functionality. Some features move to Maintenance...
アップグレードの基本
Official Documentation
Upgrading Liferay Liferay is continuously being enhanced with new features as new versions are released. To access these features in your current project, you must upgrade your Liferay instance to...
2023年第4四半期のデフォルト設定と機能フラグの変更
Official Documentation
2023.Q4 Default Setting and Feature Flag Changes Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the...
2024年の廃止予定と重大な変更
2024 Deprecations and Breaking Changes Liferay quarterly releases introduce new features and enhancements while phasing out older or less-used functionality. Some features move to Maintenance Mode,...
2024年第1四半期のデフォルト設定と機能フラグの変更
Official Documentation
2024.Q1 Default Setting and Feature Flag Changes Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the...
Liferay DXP 2024.Q1 の重大な変更点
Official Documentation
Liferay DXP 2024.Q1 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2024.Q1. As the...
2024年第2四半期のデフォルト設定と機能フラグの変更
Official Documentation
2024.Q2 Default Setting and Feature Flag Changes Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the...
Liferay DXP 2024.Q3 の重大な変更点
Official Documentation
Liferay DXP 2024.Q3 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2024.Q3. As the...
Liferay DXP 2025.Q4 の互換性のない変更点
Official Documentation
Liferay DXP 2025.Q4 Breaking changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2025.Q4. As the...
言語キーの名称変更
Renamed Language Keys In Liferay DXP/Portal 7.4, module language keys were centralized to a module called portal-language-lang. Source location: ...
データ初期化
Data Cleanup Liferay executes data cleanup processes to repair databases with obsolete data. This lightens the load during an upgrade, improving performance and reducing overhead. As of Liferay...
例：ジャーナル記事の中間バージョンの削除
Example: Removing Intermediate Journal Article Versions These instructions and code samples demonstrate removing intermediate Journal Article versions. In the script console, you can remove...
データベースの移行
Official Documentation
Migrating the Database For support, maintenance, or performance reasons, you may decide to migrate from the database you use to one of the other databases Liferay supports. Though the exact steps...
アップグレードのためのデータベース調整
Database Tuning for Upgrades Performing an upgrade impacts the database differently from daily running in production. Because of this, you should tune your database for the upgrade process before...
アップグレードのトラブルシューティング
Official Documentation
Troubleshooting Upgrades Liferay has many out-of-the-box tools and features to identify and solve issues that may arise when performing an upgrade. To troubleshoot, you can upgrade modules...
一般的なアップグレードの問題
Common Upgrade Issues Skipping an upgrade step or creating custom references to the Liferay database, can cause upgrade issues. The following questions and answers address some common situations. ...
一般設定リファレンス
Official Documentation
General Settings Reference All fragments have general settings. Some options are standard (e.g., visibility and frame), while others are unique to each fragment. Follow these steps to access a...
スタイルリファレンス
Official Documentation
Styles Reference All fragments have a Styles settings section except for the Collection Display fragment. Use the style settings to configure your fragments' look and feel. Many of these options...
フラグメント設定フィールドのローカライズ
Official Documentation
Localizing Fragment Configuration Fields Liferay DXP/Portal 7.4+ When using Liferay Fragments, you can localize the following Fragment configuration fields to match your target audience's...
フラグメントを使用したドロップダウンメニューの作成
Official Documentation
Creating Dropdown Menus with Fragments Liferay DXP/Portal 7.4+ Liferay provides the Dropdown fragment to create advanced drop-down menus (A). With it, you can define drop zones for additional page...
フラグメントの管理
Official Documentation
Managing Fragments Liferay DXP provides tools for managing fragments in the Liferay UI. With out-of-the-box tools, you can edit fragment code, export/import fragment sets between sites, and more. ...
フラグメント要素のマッピングとリンク
Official Documentation
Mapping and Linking Fragment Elements You can map and link fragments together as reusable components for your digital experiences (e.g., form submissions and navigation actions). Not all...
フラグメントの複製
Official Documentation
Duplicating Fragments When building a page or template with fragments, you can duplicate configured fragments to save time. A duplicated fragment includes the original fragment's settings,...
Saving Fragment Compositions
Official Documentation
Saving Fragment Compositions Layout and composition are the foundation of your page design. They make pages easier to read and navigate, resulting in a richer and more consistent user experience....
フォームフラグメントの作成
Official Documentation
Creating Form Fragments Liferay 7.4 U45+/GA45+ The form components fragments are for building your object's forms in a content page. If Liferay's form fragments don't satisfy your use case, create...
フォームフラグメントの使用
Official Documentation
Using Form Fragments Liferay DXP 2023.Q3+/Portal GA92+ Liferay includes form fragments for building forms in content pages. To build a form, add a form container to a content page or page template...
フラグメントを使用してマルチステップフォームを構築する
Official Documentation
Using Fragments to Build Multi-Step Forms Liferay DXP 2024.Q4+/Portal GA129+ You can use fragments to create a single-step form or create a multi-step form with the Stepper fragment or by changing...
テンプレートの設定
Official Documentation
Configuring Templates Once you've configured a widget, Configuration Templates can save those settings in a reusable template. Configuration templates are only available for widgets placed on a...
フォームフラグメントを使用したフォームの作成
Official Documentation
Creating Forms Using Form Fragments Use form fragments to create and manage forms on content pages or page templates. With form fragments, you can map fields to objects, organize layouts, and...
ウィジェット間の通信
Official Documentation
Communication Between Widgets Portlet widgets can communicate with each other using public render parameters and events. Some Liferay portlets provide a configuration UI to help you get the most...
フォームコンテナ内のフィールドの翻訳
Official Documentation
Translating Fields in Form Containers Liferay DXP 2025.Q1+/Portal GA132+ Localize text inputs in form containers directly in the Page Editor to provide multilingual support for fields listed in...
レイアウト要素の使用
Official Documentation
Using Layout Elements For Liferay 7.4 U22+/GA22+ Layout elements define drop zones for designing page or template layouts. By default, Liferay includes two layout elements: containers and grids....