#鸿蒙学习大百科#如何判断一个号码是否是电话号码？

// 导入模块
import { i18n } from '@kit.LocalizationKit';

@Entry
@Component
struct Index {
  @State isValid: boolean = false

  aboutToAppear(): void {
    // 判断电话号码是否有效
    let phoneNumberFormat3 = new i18n.PhoneNumberFormat('CN');
    this.isValid = phoneNumberFormat3.isValidNumber('15812342312'); // isValid: true
  }
  build() {
    Column() {
      Text(this.isValid+"")
        .fontSize(30)
        .margin(20)
    }
    .height("100%")
    .width('100%')
    .justifyContent(FlexAlign.Center)
  }
}