1e41f4b71Sopenharmony_ci# BaseContext 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ciBaseContext抽象类用于表示继承的子类Context是Stage模型还是FA模型,是所有Context类型的父类。 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci> **说明:** 6e41f4b71Sopenharmony_ci> 7e41f4b71Sopenharmony_ci> 本模块首批接口从API version 8 开始支持。后续版本的新增接口,采用上角标单独标记接口的起始版本。 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci## 导入模块 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ci```ts 12e41f4b71Sopenharmony_ciimport { common } from '@kit.AbilityKit'; 13e41f4b71Sopenharmony_ci``` 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci## 属性 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci**原子化服务API:** 从API version 11开始,该接口支持在原子化服务中使用。 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Ability.AbilityRuntime.Core 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci| 名称 | 类型 | 可读 | 可写 | 说明 | 22e41f4b71Sopenharmony_ci| -------- | ------ | ---- | ---- | ------- | 23e41f4b71Sopenharmony_ci| stageMode | boolean | 是 | 是 | 表示是否Stage模型。<br>true:Stage模型<br>false:FA模型。 | 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci**示例:** 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci以Stage模型为例,用户可通过UIAbilityContext访问stageMode字段。 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci```ts 30e41f4b71Sopenharmony_ciimport { UIAbility, AbilityConstant, Want } from '@kit.AbilityKit'; 31e41f4b71Sopenharmony_ci 32e41f4b71Sopenharmony_ciclass EntryAbility extends UIAbility { 33e41f4b71Sopenharmony_ci onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) { 34e41f4b71Sopenharmony_ci // EntryAbility onCreate, isStageMode: true 35e41f4b71Sopenharmony_ci console.log(`EntryAbility onCreate, isStageMode: ${this.context.stageMode}`); 36e41f4b71Sopenharmony_ci } 37e41f4b71Sopenharmony_ci} 38e41f4b71Sopenharmony_ci``` 39