#鸿蒙学习大百科#如何显示带符号的数字？

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

@Entry
@Component
struct Index {
  @State str: string = ''
  aboutToAppear(): void {
    // 显示数字的符号
    let numberFormat3 = new intl.NumberFormat('zh-CN', {signDisplay: 'always'});
    this.str = numberFormat3.format(123400); // formattedNumber3: +123,400
  }
  build() {
    Column() {
      Text(this.str)
        .fontSize(30)
        .margin(20)
    }
    .height("100%")
    .width('100%')
    .justifyContent(FlexAlign.Center)
  }
}