HarmonyOS获取deviceid的demo

import { BusinessError } from '@kit.BasicServicesKit'; 
import common from '@kit.AbilityKit'; 
import deviceManager from '@kit.DistributedServiceKit'; 
import abilityAccessCtrl from '@kit.AbilityKit'; 
@Entry 
@Component 
struct Device { 
  @State message: string = 'Hello World'; 
  aboutToAppear(): void { 
    let context = getContext(this) as common.UIAbilityContext; 
    let atManager = abilityAccessCtrl.createAtManager(); 
    try { 
      atManager.requestPermissionsFromUser(context, ['ohos.permission.DISTRIBUTED_DATASYNC']).then((data) => { 
        console.log('data: ' + JSON.stringify(data)); 
      }).catch((err: object) => { 
        console.log('err: ' + JSON.stringify(err)); 
      }) 
    } catch (err) { 
      console.log('catch err->' + JSON.stringify(err)); 
    } 
  } 
  build() { 
    Column() { 
      Text(this.message) 
        .id('HelloWorld') 
        .fontSize(50) 
        .fontWeight(FontWeight.Bold) 
        .onClick(() => { 
          try { 
            let dmInstance = deviceManager.createDeviceManager('com.example.cpdemo_003'); 
            let deviceId: string = dmInstance.getLocalDeviceId(); 
            console.log('local device id: ' + JSON.stringify(deviceId)); 
          } catch (err) { 
            let e: BusinessError = err as BusinessError; 
            console.error('getLocalDeviceId errCode:' + e.code + ',errMessage:' + e.message); 
          } 
        }) 
    } 
    .height('100%') 
    .width('100%') 
  } 
}