#鸿蒙学习大百科#如何将一个数字转化为科学计数法显示？

// 导入模块
import { intl } from '@kit.LocalizationKit';

@Entry
@Component
struct Index {
  @State str: string = ''

  build() {
    Column() {
      Text(this.str)
        .fontSize(30)
        .margin(20)
      Button("点击").onClick(() => {
        // 用科学计数法显示数字
        let numberFormat1 = new intl.NumberFormat('zh-CN', { notation: 'scientific', maximumSignificantDigits: 3 });
        this.str = numberFormat1.format(123400); // formattedNumber1: 1.23E5

      })
    }
    .height("100%")
    .width('100%')
    .justifyContent(FlexAlign.Center)
  }
}