#鸿蒙学习大百科#分布式数据对象如何加入组网时不刷新组网中的数据，并且得到组网中的数据？

// 导入模块
import distributedDataObject from '@ohos.data.distributedDataObject';

class People {
  name: string|undefined
  age: number |undefined= 0

  constructor(name: string|undefined, age: number|undefined) {
    this.name = name
    this.age = age
  }
}
@Entry
@Component
struct Index {
  build() {
    Column() {
      Button("创建分布式对象").onClick(() => {
        //将属性设置为undefined。加入组网时不刷新组网中的数据，并且得到组网中的数据
        let people = new People(undefined,undefined)
        let localObject: distributedDataObject.DataObject = distributedDataObject.create(getContext(this), people);
        localObject.setSessionId("123456")//设置sessionId
      })
    }
    .width('100%')
    .height('100%')
    .justifyContent(FlexAlign.Center)
  }
}