TempUtil, temperature conversion tool class

Introduction and description of harmony-utils

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harmony-utils A HarmonyOS tool library with rich features and extremely easy to use, with the help of many practical tools, is committed to helping developers quickly build Hongmeng applications. Its encapsulated tools cover APP, device, screen, authorization, notification, inter-thread communication, pop-up frames, toast, biometric authentication, user preferences, taking photos, albums, scanning codes, files, logs, exception capture, characters, strings, numbers, collections, dates, random, base64, encryption, decryption, JSON and other functions, which can meet various development needs.
picker_utils It is a sub-store split by harmony-utils, including PickerUtil, PhotoHelper, and ScanUtil.

Download and install
ohpm i @pura/harmony-utils
ohpm i @pura/picker_utils

  //Global initialization method, initialized in the onCreate method of UIAbility AppUtil.init()
  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
    AppUtil.init(this.context);
  }

API methods and usage

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C2F degrees Celsius to Fahrenheit

let f = TempUtil.C2F(27.5);
ToastUtil.showToast(`转换后的华氏度：${f}`);

F2C Fahrenheit to Celsius

let c = TempUtil.F2C(81.5)
ToastUtil.showToast(`转换后的摄氏度：${c}`);

C2K degrees Celsius to Kelvin

let k = TempUtil.C2K(25);
ToastUtil.showToast(`转换后的开尔文：${k}`);

Kelvin to Celsius

let c = TempUtil.K2C(298.15);
ToastUtil.showToast(`转换后的摄氏度：${c}`);

F2K Fahrenheit to Kelvin

let k = TempUtil.F2K(77);
ToastUtil.showToast(`转换后的开尔文：${k}`);

K2F Kelvin to Fahrenheit

let f = TempUtil.K2F(298.15);
ToastUtil.showToast(`转换后的华氏度：${f}`);

Full Code Example

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import { router } from '@kit.ArkUI';
import { MockSetup } from '@ohos/hamock';
import { TempUtil, ToastUtil } from '@pura/harmony-utils';
import { TitleBarView } from '../../component/TitleBarView';
import { DescribeBean } from '../../model/DescribeBean';

/**
 * 温度转换工具类
 */
@Entry
@Component
struct Index {
  private scroller: Scroller = new Scroller();
  @State describe: DescribeBean = router.getParams() as DescribeBean;

  @MockSetup
  mock() {
    this.describe = new DescribeBean("TempUtil", "温度转换工具类");
  }

  build() {
    Column() {
      TitleBarView({ describe: this.describe })
      Divider()
      Scroll(this.scroller) {
        Column() {
          Button("C2F()")
            .btnStyle()
            .onClick(() => {
              let f = TempUtil.C2F(27.5);
              ToastUtil.showToast(`转换后的华氏度：${f}`);
            })
          Button("F2C()")
            .btnStyle()
            .onClick(() => {
              let c = TempUtil.F2C(81.5)
              ToastUtil.showToast(`转换后的摄氏度：${c}`);
            })
          Button("C2K()")
            .btnStyle()
            .onClick(() => {
              let k = TempUtil.C2K(25);
              ToastUtil.showToast(`转换后的开尔文：${k}`);
            })
          Button("K2C()")
            .btnStyle()
            .onClick(() => {
              let c = TempUtil.K2C(298.15);
              ToastUtil.showToast(`转换后的摄氏度：${c}`);
            })
          Button("F2K()")
            .btnStyle()
            .onClick(() => {
              let k = TempUtil.F2K(77);
              ToastUtil.showToast(`转换后的开尔文：${k}`);
            })
          Button("K2F()")
            .btnStyle()
            .onClick(() => {
              let f = TempUtil.K2F(298.15);
              ToastUtil.showToast(`转换后的华氏度：${f}`);
            })

          Blank().layoutWeight(1)
        }
        .margin({ top: 5, bottom: 5 })
      }
      .layoutWeight(1)
    }
    .width('100%')
    .height('100%')
    .justifyContent(FlexAlign.Start)
    .backgroundColor($r('app.color.main_background'))
  }
}


@Styles
function btnStyle() {
  .width('90%')
  .margin({ top: 10, bottom: 5 })
}

Creation is not easy, please give Elder Tong a thumbs up 👍

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https://github.com/787107497/harmony-utils
https://gitee.com/tongyuyan/harmony-utils
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