# featureAbility接口切换


  | FA模型接口 | Stage模型接口对应d.ts文件 | Stage模型对应接口 | 
| -------- | -------- | -------- |
| [getWant(callback:&nbsp;AsyncCallback&lt;Want&gt;):&nbsp;void;](../reference/apis/js-apis-featureAbility.md#featureabilitygetwant)<br/>[getWant():&nbsp;Promise&lt;Want&gt;;](../reference/apis/js-apis-featureAbility.md#featureabilitygetwant-1) | \@ohos.app.ability.UIAbility.d.ts | [launchWant:&nbsp;Want;](../reference/apis/js-apis-application-ability.md#属性) | 
| [startAbility(parameter:&nbsp;StartAbilityParameter,&nbsp;callback:&nbsp;AsyncCallback&lt;number&gt;):&nbsp;void;](../reference/apis/js-apis-featureAbility.md#featureabilitystartability)<br/>[startAbility(parameter:&nbsp;StartAbilityParameter):&nbsp;Promise&lt;number&gt;;](../reference/apis/js-apis-featureAbility.md#featureabilitystartability-1) | application\UIAbilityContext.d.ts | [startAbility(want:&nbsp;Want,&nbsp;callback:&nbsp;AsyncCallback&lt;void&gt;):&nbsp;void;](../reference/apis/js-apis-ability-context.md#abilitycontextstartability)<br/>[startAbility(want:&nbsp;Want,&nbsp;options:&nbsp;StartOptions,&nbsp;callback:&nbsp;AsyncCallback&lt;void&gt;):&nbsp;void;](../reference/apis/js-apis-ability-context.md#abilitycontextstartability-1)<br/>[startAbility(want:&nbsp;Want,&nbsp;options?:&nbsp;StartOptions):&nbsp;Promise&lt;void&gt;;](../reference/apis/js-apis-ability-context.md#abilitycontextstartability-2) |
| [getContext():&nbsp;Context;](../reference/apis/js-apis-featureAbility.md#featureabilitygetcontext) | \@ohos.app.ability.UIAbility.d.ts | [context:&nbsp;UIAbilityContext;](../reference/apis/js-apis-application-ability.md#属性) |
| [startAbilityForResult(parameter:&nbsp;StartAbilityParameter,&nbsp;callback:&nbsp;AsyncCallback&lt;AbilityResult&gt;):&nbsp;void;](../reference/apis/js-apis-featureAbility.md#featureabilitystartabilityforresult7)<br/>[startAbilityForResult(parameter:&nbsp;StartAbilityParameter):&nbsp;Promise&lt;AbilityResult&gt;;](../reference/apis/js-apis-featureAbility.md#featureabilitystartabilityforresult7-1) | application\UIAbilityContext.d.ts | [startAbilityForResult(want:&nbsp;Want,&nbsp;callback:&nbsp;AsyncCallback&lt;AbilityResult&gt;):&nbsp;void;](../reference/apis/js-apis-ability-context.md#abilitycontextstartabilityforresult)<br/>[startAbilityForResult(want:&nbsp;Want,&nbsp;options:&nbsp;StartOptions,&nbsp;callback:&nbsp;AsyncCallback&lt;AbilityResult&gt;):&nbsp;void;](../reference/apis/js-apis-ability-context.md#abilitycontextstartabilityforresult-1)<br/>[startAbilityForResult(want:&nbsp;Want,&nbsp;options?:&nbsp;StartOptions):&nbsp;Promise&lt;AbilityResult&gt;;](../reference/apis/js-apis-ability-context.md#abilitycontextstartabilityforresult-2) |
| [terminateSelfWithResult(parameter:&nbsp;AbilityResult,&nbsp;callback:&nbsp;AsyncCallback&lt;void&gt;):&nbsp;void;](../reference/apis/js-apis-featureAbility.md#featureabilityterminateselfwithresult7)<br/>[terminateSelfWithResult(parameter:&nbsp;AbilityResult):&nbsp;Promise&lt;void&gt;;](../reference/apis/js-apis-featureAbility.md#featureabilityterminateselfwithresult7-1) | application\UIAbilityContext.d.ts | [terminateSelfWithResult(parameter:&nbsp;AbilityResult,&nbsp;callback:&nbsp;AsyncCallback&lt;void&gt;):&nbsp;void;](../reference/apis/js-apis-ability-context.md#abilitycontextterminateselfwithresult)<br/>[terminateSelfWithResult(parameter:&nbsp;AbilityResult):&nbsp;Promise&lt;void&gt;;](../reference/apis/js-apis-ability-context.md#abilitycontextterminateselfwithresult-1) |
| [terminateSelf(callback:&nbsp;AsyncCallback&lt;void&gt;):&nbsp;void;](../reference/apis/js-apis-featureAbility.md#featureabilityterminateself7)<br/>[terminateSelf():&nbsp;Promise&lt;void&gt;;](../reference/apis/js-apis-featureAbility.md#featureabilityterminateself7-1) | application\UIAbilityContext.d.ts | [terminateSelf(callback:&nbsp;AsyncCallback&lt;void&gt;):&nbsp;void;](../reference/apis/js-apis-ability-context.md#abilitycontextterminateself)<br/>[terminateSelf():&nbsp;Promise&lt;void&gt;;](../reference/apis/js-apis-ability-context.md#abilitycontextterminateself-1) |
| [acquireDataAbilityHelper(uri:&nbsp;string):&nbsp;DataAbilityHelper;](../reference/apis/js-apis-featureAbility.md#featureabilityacquiredataabilityhelper7) | \@ohos.data.dataShare.d.ts<br/>\@ohos.data.fileAccess.d.ts | [createDataShareHelper(context:&nbsp;Context,&nbsp;uri:&nbsp;string,&nbsp;callback:&nbsp;AsyncCallback&lt;DataShareHelper&gt;):&nbsp;void;](../reference/apis/js-apis-data-dataShare.md#datasharecreatedatasharehelper)<br/>[createDataShareHelper(context:&nbsp;Context,&nbsp;uri:&nbsp;string):&nbsp;Promise&lt;DataShareHelper&gt;;](../reference/apis/js-apis-data-dataShare.md#datasharecreatedatasharehelper-1)<br/>[createFileAccessHelper(context:&nbsp;Context):&nbsp;FileAccessHelper;](../reference/apis/js-apis-fileAccess.md#fileaccesscreatefileaccesshelper-1)<br/>[createFileAccessHelper(context:&nbsp;Context,&nbsp;wants:&nbsp;Array&lt;Want&gt;):&nbsp;FileAccessHelper;](../reference/apis/js-apis-fileAccess.md#fileaccesscreatefileaccesshelper) |
| [hasWindowFocus(callback:&nbsp;AsyncCallback&lt;boolean&gt;):&nbsp;void;](../reference/apis/js-apis-featureAbility.md#featureabilityhaswindowfocus7)<br/>[hasWindowFocus():&nbsp;Promise&lt;boolean&gt;;](../reference/apis/js-apis-featureAbility.md#featureabilityhaswindowfocus7-1) | \@ohos.window.d.ts | [on(eventType:&nbsp;'windowStageEvent',&nbsp;callback:&nbsp;Callback&lt;WindowStageEventType&gt;):&nbsp;void;](../reference/apis/js-apis-window.md#onwindowstageevent9)<br/>监听[Active](../reference/apis/js-apis-window.md#windowstageeventtype9)获焦状态 |
| [connectAbility(request:&nbsp;Want,&nbsp;options:ConnectOptions&nbsp;):&nbsp;number;](../reference/apis/js-apis-featureAbility.md#featureabilityconnectability7) | application\UIAbilityContext.d.ts | [connectServiceExtensionAbility(want:&nbsp;Want,&nbsp;options:&nbsp;ConnectOptions):&nbsp;number;](../reference/apis/js-apis-ability-context.md#abilitycontextconnectserviceextensionability) |
| [disconnectAbility(connection:&nbsp;number,&nbsp;callback:AsyncCallback&lt;void&gt;):&nbsp;void;](../reference/apis/js-apis-featureAbility.md#featureabilitydisconnectability7)<br/>[disconnectAbility(connection:&nbsp;number):&nbsp;Promise&lt;void&gt;;](../reference/apis/js-apis-featureAbility.md#featureabilitydisconnectability7-1) | application\UIAbilityContext.d.ts | [disconnectAbility(connection:&nbsp;number,&nbsp;callback:AsyncCallback&lt;void&gt;):&nbsp;void;](../reference/apis/js-apis-ability-context.md#abilitycontextdisconnectserviceextensionability-1)<br/>[disconnectAbility(connection:&nbsp;number):&nbsp;Promise&lt;void&gt;;](../reference/apis/js-apis-ability-context.md#abilitycontextdisconnectserviceextensionability) |
| [getWindow(callback:&nbsp;AsyncCallback&lt;window.Window&gt;):&nbsp;void;](../reference/apis/js-apis-featureAbility.md#featureabilitygetwindow7)<br/>[getWindow():&nbsp;Promise&lt;window.Window&gt;;](../reference/apis/js-apis-featureAbility.md#featureabilitygetwindow7-1) | \@ohos.window.d.ts | [getLastWindow(ctx:&nbsp;BaseContext,&nbsp;callback:&nbsp;AsyncCallback&lt;Window&gt;):&nbsp;void;](../reference/apis/js-apis-window.md#windowgetlastwindow9)<br/>[getLastWindow(ctx:&nbsp;BaseContext):&nbsp;Promise&lt;Window&gt;;](../reference/apis/js-apis-window.md#windowgetlastwindow9-1) |