1# FA模型启动Stage模型UIAbility 2 3 4本文介绍FA模型的三种应用组件如何启动Stage模型的UIAbility组件。 5 6 7## PageAbility启动UIAbility 8 9 在PageAbility中启动UIAbility和在PageAbility中启动PageAbility的方式完全相同。 10 11```ts 12import featureAbility from '@ohos.ability.featureAbility'; 13 14let parameter = { 15 "want": { 16 bundleName: "com.ohos.stage", 17 abilityName: "com.ohos.stage.EntryAbility" 18 } 19}; 20featureAbility.startAbility(parameter).then((code) => { 21 console.info('Ability verify code: ' + JSON.stringify(code)); 22}).catch((error) => { 23 console.error("Ability failed: " + JSON.stringify(error)); 24}); 25``` 26 27 28## PageAbility访问UIAbility（startAbilityForResult） 29 30startAbilityForResult和startAbility的区别是当UIAbility销毁的时候会返回执行结果。 31 32在PageAbility中通过startAbilityForResult启动UIAbility和在PageAbility中通过startAbilityForResult启动PageAbility的方式完全相同。 33 34 35```ts 36import featureAbility from '@ohos.ability.featureAbility'; 37 38let parameter = { 39 "want": { 40 bundleName: "com.ohos.stage", 41 abilityName: "com.ohos.stage.EntryAbility" 42 } 43}; 44featureAbility.startAbilityForResult(parameter).then((result) => { 45 console.info('Ability verify result: ' + JSON.stringify(result)); 46}).catch((error) => { 47 console.error("Ability failed: " + JSON.stringify(error)); 48}); 49``` 50 51 52## ServiceAbility/DataAbility启动UIAbility 53 54在ServiceAbility/DataAbility中启动UIAbility和在ServiceAbility/DataAbility中启动PageAbility的方式完全相同。 55 56 57```ts 58import particleAbility from '@ohos.ability.particleAbility'; 59 60let parameter = { 61 "want": { 62 bundleName: "com.ohos.stage", 63 abilityName: "com.ohos.stage.EntryAbility" 64 } 65}; 66particleAbility.startAbility(parameter).then(() => { 67 console.info('Start Ability successfully.'); 68}).catch((error) => { 69 console.error("Ability failed: " + JSON.stringify(error)); 70}); 71``` 72