HarmonyOS 转换时间戳的方法

@State timeStr : number = 1318781876; 
@State timeNow: string = ‘’ 
build() { 
  Row() { 
    Column() { 
      Text(当前时间：+this.timeNow) 
      .fontSize(20) 
        .fontWeight(FontWeight.Bold) 
        .width(“100%”) 
      Button(“get time”) 
      .onClick(() => { 
        try { 
          this.timeNow = this.getTimeToYYYYDDMMHHMMSS(this.timeStr) 
        } 
        catch (e) { 
        } 
      }) 
    } 
    .justifyContent(FlexAlign.Center) 
    .width(‘100%’) 
  } 
  .height(‘100%’) 
} 
getTimeToYYYYDDMMHHMMSS(str: number): string { 
  let time:string =’’ 
  time = dayjs.unix(1318781876).format(‘YYYY-MM-DD HH:mm:ss’) 
  return time 
} 
}