1e41f4b71Sopenharmony_ci# @ohos.app.ability.application (Application)(系统接口) 2e41f4b71Sopenharmony_ci开发者可以通过该模块创建[Context](../../application-models/application-context-stage.md)。 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci> **说明:** 5e41f4b71Sopenharmony_ci> 6e41f4b71Sopenharmony_ci> 本模块首批接口从API version 12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。 7e41f4b71Sopenharmony_ci> 本模块接口仅可在Stage模型下使用。 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci## 导入模块 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ci```ts 12e41f4b71Sopenharmony_ciimport { application } from '@kit.AbilityKit'; 13e41f4b71Sopenharmony_ci``` 14e41f4b71Sopenharmony_ci## application.createModuleContext<sup>12+</sup> 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_cicreateModuleContext(context: Context, bundleName: string, moduleName: string): Promise\<Context> 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci根据入参Context创建相应模块的Context。 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci**元服务API:** 从API version 12开始,该接口支持在元服务中使用。 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Ability.AbilityRuntime.Core 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci**系统接口**:此接口为系统接口。 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci**参数**: 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci| 参数名 | 类型 | 必填 | 说明 | 29e41f4b71Sopenharmony_ci| --------- | ---------------------------------------- | ---- | -------------- | 30e41f4b71Sopenharmony_ci| context | [Context](../../reference/apis-ability-kit/js-apis-inner-application-context.md) | 是 | 表示应用上下文。 | 31e41f4b71Sopenharmony_ci| bundleName | string | 是 | 表示应用包名。取值为空字符串时,默认为当前应用。| 32e41f4b71Sopenharmony_ci| moduleName | string | 是 | 表示应用模块名。 | 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci**返回值:** 35e41f4b71Sopenharmony_ci 36e41f4b71Sopenharmony_ci| 类型 | 说明 | 37e41f4b71Sopenharmony_ci| ------------------ | ------------------- | 38e41f4b71Sopenharmony_ci| Promise\<[Context](../../reference/apis-ability-kit/js-apis-inner-application-context.md)> | Promise对象。返回创建的Context。 | 39e41f4b71Sopenharmony_ci 40e41f4b71Sopenharmony_ci**错误码:** 41e41f4b71Sopenharmony_ci 42e41f4b71Sopenharmony_ci以下错误码详细介绍请参考[元能力子系统错误码](errorcode-ability.md)。 43e41f4b71Sopenharmony_ci 44e41f4b71Sopenharmony_ci| 错误码ID | 错误信息 | 45e41f4b71Sopenharmony_ci| -------- | --------------- | 46e41f4b71Sopenharmony_ci| 201 | Permission denied. | 47e41f4b71Sopenharmony_ci| 202 | Permission denied, non-system app called system api.| 48e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types. | 49e41f4b71Sopenharmony_ci 50e41f4b71Sopenharmony_ci**示例:** 51e41f4b71Sopenharmony_ci 52e41f4b71Sopenharmony_ci```ts 53e41f4b71Sopenharmony_ciimport { UIAbility, application} from '@kit.AbilityKit'; 54e41f4b71Sopenharmony_ciimport { BusinessError } from '@kit.BasicServicesKit'; 55e41f4b71Sopenharmony_ci 56e41f4b71Sopenharmony_ciexport default class EntryAbility extends UIAbility { 57e41f4b71Sopenharmony_ci onCreate() { 58e41f4b71Sopenharmony_ci let moduleContext: common.Context; 59e41f4b71Sopenharmony_ci try { 60e41f4b71Sopenharmony_ci application.createModuleContext(this.context, 'bundlename', 'entry').then((data: Context)=>{ 61e41f4b71Sopenharmony_ci moduleContext = data; 62e41f4b71Sopenharmony_ci console.info('createModuleContext success!'); 63e41f4b71Sopenharmony_ci }).catch((error : BusinessError)=>{ 64e41f4b71Sopenharmony_ci console.error(`createModuleContext failed, error.code: ${(error as BusinessError).code}, error.message: ${(error as BusinessError).message}`); 65e41f4b71Sopenharmony_ci }) 66e41f4b71Sopenharmony_ci } catch (error) { 67e41f4b71Sopenharmony_ci console.error(`createModuleContext failed, error.code: ${(error as BusinessError).code}, error.message: ${(error as BusinessError).message}`); 68e41f4b71Sopenharmony_ci } 69e41f4b71Sopenharmony_ci } 70e41f4b71Sopenharmony_ci} 71e41f4b71Sopenharmony_ci``` 72e41f4b71Sopenharmony_ci 73e41f4b71Sopenharmony_ci## application.createBundleContext<sup>12+</sup> 74e41f4b71Sopenharmony_ci 75e41f4b71Sopenharmony_cicreateBundleContext(context: Context, bundleName: string): Promise\<Context> 76e41f4b71Sopenharmony_ci 77e41f4b71Sopenharmony_ci根据入参Context创建相应应用的Context。 78e41f4b71Sopenharmony_ci 79e41f4b71Sopenharmony_ci**元服务API:** 从API version 12开始,该接口支持在元服务中使用。 80e41f4b71Sopenharmony_ci 81e41f4b71Sopenharmony_ci**系统能力**:SystemCapability.Ability.AbilityRuntime.Core 82e41f4b71Sopenharmony_ci 83e41f4b71Sopenharmony_ci**系统接口**:此接口为系统接口。 84e41f4b71Sopenharmony_ci 85e41f4b71Sopenharmony_ci**参数**: 86e41f4b71Sopenharmony_ci 87e41f4b71Sopenharmony_ci| 参数名 | 类型 | 必填 | 说明 | 88e41f4b71Sopenharmony_ci| --------- | ---------------------------------------- | ---- | -------------- | 89e41f4b71Sopenharmony_ci| context | [Context](../../reference/apis-ability-kit/js-apis-inner-application-context.md) | 是 | 表示应用上下文。 | 90e41f4b71Sopenharmony_ci| bundleName | string | 是 | 表示应用包名。 | 91e41f4b71Sopenharmony_ci 92e41f4b71Sopenharmony_ci**返回值:** 93e41f4b71Sopenharmony_ci 94e41f4b71Sopenharmony_ci| 类型 | 说明 | 95e41f4b71Sopenharmony_ci| ------------------ | ------------------- | 96e41f4b71Sopenharmony_ci| Promise\<[Context](../../reference/apis-ability-kit/js-apis-inner-application-context.md)> | Promise对象。返回创建的Context。 | 97e41f4b71Sopenharmony_ci 98e41f4b71Sopenharmony_ci**错误码:** 99e41f4b71Sopenharmony_ci 100e41f4b71Sopenharmony_ci以下错误码详细介绍请参考[元能力子系统错误码](errorcode-ability.md)。 101e41f4b71Sopenharmony_ci 102e41f4b71Sopenharmony_ci| 错误码ID | 错误信息 | 103e41f4b71Sopenharmony_ci| -------- | --------------- | 104e41f4b71Sopenharmony_ci| 201 | Permission denied. | 105e41f4b71Sopenharmony_ci| 202 | Permission denied, non-system app called system api.| 106e41f4b71Sopenharmony_ci| 401 | Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types. | 107e41f4b71Sopenharmony_ci 108e41f4b71Sopenharmony_ci 109e41f4b71Sopenharmony_ci**示例:** 110e41f4b71Sopenharmony_ci 111e41f4b71Sopenharmony_ci```ts 112e41f4b71Sopenharmony_ciimport { UIAbility, application} from '@kit.AbilityKit'; 113e41f4b71Sopenharmony_ciimport { BusinessError } from '@kit.BasicServicesKit'; 114e41f4b71Sopenharmony_ci 115e41f4b71Sopenharmony_ciexport default class EntryAbility extends UIAbility { 116e41f4b71Sopenharmony_ci onCreate() { 117e41f4b71Sopenharmony_ci let moduleContext: common.Context; 118e41f4b71Sopenharmony_ci try { 119e41f4b71Sopenharmony_ci application.createBundleContext(this.context, 'bundlename').then((data: Context)=>{ 120e41f4b71Sopenharmony_ci moduleContext = data; 121e41f4b71Sopenharmony_ci console.info('createBundleContext success!'); 122e41f4b71Sopenharmony_ci }).catch((error : BusinessError)=>{ 123e41f4b71Sopenharmony_ci console.error(`createBundleContext failed, error.code: ${(error as BusinessError).code}, error.message: ${(error as BusinessError).message}`); 124e41f4b71Sopenharmony_ci }) 125e41f4b71Sopenharmony_ci } catch (error) { 126e41f4b71Sopenharmony_ci console.error(`createBundleContext failed, error.code: ${(error as BusinessError).code}, error.message: ${(error as BusinessError).message}`); 127e41f4b71Sopenharmony_ci } 128e41f4b71Sopenharmony_ci } 129e41f4b71Sopenharmony_ci} 130e41f4b71Sopenharmony_ci```