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Customizing Liferay's Look and Feel One of the easiest ways to get started developing on Liferay's platform is to modify its look and feel. You can change everything from its favicon to its entire...

電話番号欄

Official Documentation

Phone Number Fields Liferay DXP 2026.Q3+ Phone Number fields store contact numbers with built-in validation and normalization. All values are stored in E.164 format (a + followed by 7–15 digits,...

バッチインポート値のローカライズ

Official Documentation

Localizing Batch Import Values Liferay DXP 2026.Q3+ Localized field values appear in _i18n maps, such as value_i18n and name_i18n. Each entry in the map pairs a language ID with a translated...

メールアドレス入力欄

Official Documentation

Email Address Fields Liferay DXP 2026.Q3+ Email Address fields store and validate email addresses entered on forms and through the API. Objects normalizes every value to lowercase before storage,...

ビューにフィルターを追加する

Official Documentation

Adding Filters to Views Liferay 7.4 U49+/GA49+ When designing a custom view, you can determine which fields appear as filter facets. Also, you can set default filters that apply automatically to...

言語クライアント拡張

Official Documentation

Language Client Extensions Liferay DXP 2025.Q1+/Portal GA132+ A language client extension adds new language keys or overrides existing keys and their translations. For example, you can translate...

アカウントAPIの基本

Official Documentation

Accounts API Basics Liferay DXP/Portal 7.4+ You can manage accounts from the Applications menu or use Liferay's REST APIs. Call these services to create and manage accounts. Adding an Account ...

サービスビルダーアプリケーションとオブジェクトの統合

Official Documentation

Integrating Service Builder Applications with Objects You can integrate existing Service Builder applications with the Objects framework. Once integrated, your custom entities become unmodifiable...

アカウントグループAPIの基本

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. ...

ワークフロー定義リンクAPIの基本

Official Documentation

Workflow Definition Link API Basics Liferay DXP 2025.Q1+/Portal GA132+ You can manage workflow definition links from the Liferay UI or using Liferay's REST APIs. In Liferay, the Control Panel →...

ジャカルタへのアップグレード

Official Documentation

Upgrading to Jakarta Liferay DXP 2025.Q3+ Liferay stepped into the future of enterprise Java when it moved to Jakarta EE starting with the DXP 2025 Q3 and the 2026 Q1 Portal releases. This frees...

オブジェクト継承の使用

Official Documentation

Using Object Inheritance Liferay DXP 2025.Q1+/Portal GA132+ You can enhance the one-to-many relationship by enabling inheritance. When enabled, the one object in the one-to-many relationship...

service.propertiesの設定

Official Documentation

Configuring service.properties Service Builder generates a service.properties file in your *-service module's src/main/resources folder. Liferay uses this file's properties to alter your service's...

Service Builderを外部データベースに接続する

Official Documentation

Connecting Service Builder to an External Database Service builder creates the necessary tables for the service in the lportal database with all other data used by Liferay. If you want to store the...

Liferay Workspace 構成リファレンス

Official Documentation

Liferay Workspace Configuration Reference Liferay Workspace has many options you can set. Here's a handy command and properties reference. Running Liferay DXP locally my-project $ blade gw...

データセットを使用したオブジェクトエントリの管理

Official Documentation

Managing Object Entries with Data Sets Data sets offer a flexible way to display object entries. When your advanced use case outgrows collections, data sets fill the gap. For example, Collections...

スケジュール設定と購読

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Scheduling and Subscription Liferay DXP 2025.Q4+ Content scheduling and subscription are important content management features. You can enable them in the object definition. When scheduling is...

譲受人フィールド

Official Documentation

Assignee Fields Liferay DXP 2025.Q4+/Portal 2026.Q1+ Assignee fields are for selecting existing users or roles in the object entry. Assigned users can edit the entry with no manual permission...

ポートレットの開発 MVC4Springポートレット

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Developing a PortletMVC4Spring Portlet PortletMVC4Spring compliments the Spring Web framework and MVC design pattern by providing annotations that map portlet requests to Controller classes and...

PortletMVC4SpringとJakartaへの移行

Official Documentation

Migrating to PortletMVC4Spring and Jakarta There are two possible migrations: You've already used PortletMVC4Spring, and you want to migrate your application to Jakarta. You want to migrate a...

オブジェクトエントリマネージャの使用

Official Documentation

Using Object Entry Manager Reading and writing object entry data programmatically is best accomplished with the auto-generated headless APIs. However, when using traditional OSGi extension points...

デフォルトのフィールド値を設定する

Official Documentation

Setting Default Field Values Liferay DXP 2026.Q1+ You can use default field values to reduce manual entry errors and ensure that your object data remains consistent across all creation methods....

ワークスペース内のAIツール

Official Documentation

AI Tools in Workspace You can use AI-based tools to build your projects in Liferay Workspace. Whether you code with Claude, Copilot, Cursor, Gemini, Windsurf, or another AI assistant, your...

Liferay Developer Studio のアップデート

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Updating Liferay Developer Studio Apply Liferay Developer Studio (LDS) updates without reinstalling. Each Liferay IDE GitHub release ships an Eclipse updatesite archive...

Liferay Developer Studio

Official Documentation

Liferay Developer Studio Liferay Developer Studio (LDS) is a Liferay-provided integrated development environment (IDE) for Liferay DXP. Built on the Eclipse platform, LDS inherits Eclipse's...

Liferay Developer Studio からモジュールをデプロイする

Official Documentation

Deploying Modules from Liferay Developer Studio Push a module from your Liferay Workspace to a running Liferay DXP server without leaving the IDE. Prerequisites A configured Liferay server in...

Facesをジャカルタにアップグレードする

Official Documentation

Upgrading Faces to Jakarta Liferay DXP 2026.Q1+ Liferay Faces now uses the jakarta.* namespace to align with Jakarta EE 9 APIs. Migrating an existing Liferay Faces (JSF) portlet from the legacy...

Liferay Developer Studio に Liferay サーバーをインストールする

Official Documentation

Installing a Liferay Server in Liferay Developer Studio Register a Liferay DXP bundle with Liferay Developer Studio (LDS) so you can start, stop, debug, and deploy to it from the IDE. Each...

クライアント拡張機能の使用

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Using Client Extensions Liferay DXP 2024.Q1+/Portal GA112+ Using client extensions, you can extend Liferay without using OSGi modules. Deploy them to any Liferay environment, whether you host it...

開発

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Development Liferay's development platform makes developers faster and more efficient by providing a baseline set of features to build upon. Rather than start from scratch, you can start instead...

アプリケーションの構築

Official Documentation

Building Applications For maximum compatibility with all of Liferay's deployment options, you can combine Liferay's Objects, Client Extensions, and other features and tools to build real-world...

カスタムチケットシステムの構築

Official Documentation

Building a Custom Ticketing System Liferay makes it easy for you to build digital solutions. For example, you can create a custom ticketing application with the styling and features needed for your...

カスタムアプリケーションのデプロイ

Official Documentation

Deploying a Custom Application You can use a custom element client extension to render a JavaScript application as a widget on a Liferay site page. The application is served by Liferay and...

Cronジョブによるチケット管理

Official Documentation

Ticket Management with Cron Jobs Use Cron jobs to automate managing tickets. For example, have a job to run at a regular schedule to delete any tickets that have a resolution type of duplicate or...

休暇申請システムの構築

Official Documentation

Building a Time Off Requester Liferay 7.4+ With Liferay Objects, you can build entire applications without writing code or deploying modules. Here, create a Time Off Request application using...

アセットの有効化

Official Documentation

Enabling Assets Many of Liferay's applications (e.g. Blogs, Documents and Media, Message Boards, etc.) are asset-enabled out of the box. You can publish assets with the Asset Publisher widget or...

Expando

Official Documentation

Expando Accessing Custom Fields with Expando

データスコープ

Official Documentation

Data Scopes

グローバルサービスオプションの構成

Official Documentation

Configuring Global Service Options A service's global options apply to all its entities. Here are the options: Dependency Injector Package path Multiversion concurrency control Namespace...

エンティティファインダーメソッドの定義

Official Documentation

Defining Entity Finder Methods Finder methods retrieve entity objects from the database based on specified parameters. For each finder defined, Service Builder generates several methods to fetch,...

アイテムセレクターの実装

Official Documentation

Implementing an Item Selector Item selectors are pop-up dialogs for selecting assets, such as documents, videos, or users. By configuring the item selector's criteria and defining its usage, you...

サービスビルダー

Official Documentation

Service Builder An application without reliable business logic or persistence isn't much of an application at all. Unfortunately, writing your own persistence code often takes a great deal of time....

サービスビルダーを使用したビジネスロジック

Official Documentation

Business Logic with Service Builder Once you've generated model, persistence, and service code with Service Builder, you can begin adding business logic. Entities generated by Service Builder...

エンティティ列の定義

Official Documentation

Defining Entity Columns An entity's columns represent its attributes. These attributes map table fields to Java object fields. Here you'll examine the sample project from Understanding and...

エンティティ関連の定義

Official Documentation

Defining Entity Relationships Relationships between database entities or Java objects are necessary for most applications. Take Liferay's Message Boards application as an example. Each Message...

開発中のデータベースフィールドの変更

Official Documentation

Modifying Database Fields in Development As you develop an application, you might need to add fields to your database. This is a normal process of iterative development: you get an idea for a new...

サービスビルダーの基本

Official Documentation

Service Builder Basics Using Service Builder helps you learn it. You'll use it to learn the basics: Generating Model, Persistence, and Service Code: Define a basic model, generate code from it,...

データスキーマのアップグレード

Official Documentation

Upgrading Data Schemas When you upgrade Liferay, you might run into incompatibility issues with your custom modules' data schemas. There are three ways you can resolve these issues: You can run...

Webアプリケーションの開発

Official Documentation

Developing a Web Application

エンティティインスタンスのソート

Official Documentation

Sorting Entity Instances Often, you want to retrieve multiple instances of a given entity and list them in a particular order. The service.xml file lets you specify the default order of your...

モデル、永続性、およびサービスコードの生成

Official Documentation

Generating Model, Persistence, and Service Code Service Builder makes it easy to define models and generate model, persistence, and service code for them. You'll experience this by defining a model...

ローカルでサービスを呼び出す

Official Documentation

Invoking a Service Locally Service Builder services that are deployed to DXP/Portal can be invoked from other classes in the same JVM. These services are local to the classes. Service Builder...

生成されたクラスの理解と拡張

Official Documentation

Understanding and Extending Generated Classes Service Builder generates both tables for your entity and model, persistence, and service classes for it. Here you'll examine generated classes for an...

マルチスレッド処理

Official Documentation

Multithreading Process Liferay DXP 7.4 U10+ or Liferay Portal 7.4 GA14+ Your Upgrade Processes may involve making complex changes to large data sets. If performance is critical, use the...

Portlet 3.0 API オプトイン

Official Documentation

Portlet 3.0 API Opt In A portlet must specify version 3.0 to opt in to the Portlet 3.0 API. The 3.0 Portlet API version can be specified in the following ways. Standard Portlet @PortletApplication...

OSGiサービスのプロパティマップへのポートレット記述子

Official Documentation

Portlet Descriptor to OSGi Service Property Map Here's a map of portlet XML descriptor values to OSGi service properties for publishing OSGi Portlets. The properties centralize and simplify portlet...

ポートレットのID

Official Documentation

Portlet IDs Below is a listing of the portlet IDs for the default portlets in Liferay DXP. You can use these IDs to embed portlets in your theme's sitemap. Collaboration PortletID...

Liferay Faces Portal

Official Documentation

Liferay Faces Portal Liferay Faces Portal is distributed in a .jar file. You can add Liferay Faces Portal as a dependency for your portlet projects to use its Liferay-specific utilities and UI...

MVCアクションコマンド

Official Documentation

MVC Action Command MVC Action Commands handle actions as separate classes. With Action Commands, you can organize action logic in MVCPortlets that have many actions. Action URLs in the portlet's...

MVCレンダリングコマンド

Official Documentation

MVC Render Command MVC Render Commands are classes that handle which page to render. They are invoked by MVCPortlet render URLs and requests. If your render logic is simple you can implement all of...

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