* **[@Local装饰器：组件内部状态](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-new-local)**
* **[@Param：组件外部输入](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-new-param)**
* **[@Once：初始化同步一次](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-new-once)**
* **[@Event装饰器：规范组件输出](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-new-event)**
* **[@Provider装饰器和@Consumer装饰器：跨组件层级双向同步](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/arkts-new-provider-and-consumer)**