• 如果想看更丰富的信息，可以增加参数-Dformat=full，如下图红框所示，新增了两个字段：
  

扩展组件：查看分类（list-categories）

• 直接用list-extensions命令可以看到所有扩展组件，我们当然不会全部都用，所以最好能有个分类的功能，然后我们在合适的类目中找寻自己需要的组件
• quarkus已经为我们准备好了分类功能，首先，执行以下命令查看有哪些分类（-Dformat参数可选，有了它会展示更详细的信息）

mvn quarkus:list-categories -Dformat=full

• 控制台输出如下，列出了所有分类和说明

% mvn quarkus:list-categories -Dformat=full
[INFO] Scanning for projects...
[INFO] 
[INFO] ------------------< com.bolingcavalry:hello-quarkus >-------------------
[INFO] Building hello-quarkus 1.0-SNAPSHOT
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- quarkus-maven-plugin:2.7.3.Final:list-categories (default-cli) @ hello-quarkus ---
[INFO] Available Quarkus extension categories: 
[INFO] 
[INFO] Category                       CategoryId           Description
[INFO] Alternative languages          alt-languages        Support for other JVM based languages
[INFO] Alternative languages          alternative-languages Support for other JVM based languages
[INFO] Business Automation            business-automation  Rules engine, BPM, etc
[INFO] Cloud                          cloud                Useful for Cloud Native deployments platforms like Kubernetes and cloud providers
[INFO] Compatibility                  compatibility        Support for alternative programming models on Quarkus
[INFO] Core                           core                 Core Quarkus components: engine, logging, etc.
[INFO] Data                           data                 Accessing and managing your data (RDBMS, NoSQL, caching, transaction management, etc)
[INFO] Integration                    integration          Connectors to read to write from a skew of systems (file, S#, Twitter, etc)
[INFO] Messaging                      messaging            Send and receives message to various messaging systems (AMQP, KAfka etc)
[INFO] Miscellaneous                  miscellaneous        Mixed bag of good stuff
[INFO] Observability                  observability        Metrics, tracing, etc
[INFO] Reactive                       reactive             Non blocking stack and connectors
[INFO] Security                       security             Everything you need to secure your application
[INFO] Serialization                  serialization        Serializing and deserializing various formats
[INFO] Web                            web                  Everything you need for REST endpoints, HTTP and web formats like JSON
[INFO] gRPC                           grpc                 gRPC integration
[INFO] 
[INFO] To list extensions in given category, use:
`./mvnw quarkus:list-extensions -Dcategory="categoryId"`
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------

• 如果我对消息相关的组件感兴趣，可以看messaging这个类目，命令是

mvn quarkus:list-extensions -Dcategory="messaging"

• 此时控制台会列出messaging这个类目下的所有组件