HarmonyOS NEXT 实战之元服务：静态案例效果--- 日出日落

背景：

前几篇学习了元服务，后面几期就让我们开发简单的元服务吧，里面丰富的内容大家自己加，本期案例仅供参考

先上本期效果图，里面图片自行替换

在这里插入图片描述

效果图1完整代码案例如下：

import { authentication } from '@kit.AccountKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

@Extend(Text)
function text1() {
  .fontColor('#7F7F7F').fontSize(12)
}

@Extend(Text)
function text2() {
  .fontColor('#181818').fontSize(20).margin({ top: 5 })
}

@Entry
@Component
struct Index {
  @State message: string = '';

  build() {
    Column() {
      Text($r('app.string.EntryAbility_label')).fontSize(38).fontWeight(FontWeight.Bold).margin({ top: 60 })
      Text('距离日出还剩').fontSize(18).fontWeight(FontWeight.Bold).margin({ top: 10 })
      Text(this.message).fontSize(22).fontWeight(FontWeight.Bold).margin({ top: 10 })
      Text('更新于' + this.getHour()).fontSize(15).margin({ top: 8 }).fontColor('#222222')


      Stack() {
        Column() {
          Column() {
          }
          .width('60%')
          .height(250)
          .borderRadius(300)
          .borderWidth(3)
          .margin({ top: 80 })
          .borderColor('#5891E6')
          .backgroundColor('#DFE7F2')
        }
        .width('90%')
        .height(400)
        .borderRadius(500)
        .borderWidth(3)
        .borderColor('#F0A12D')
        .backgroundColor('#FDEDD4')

        Row() {
          Row() {
            Text() {
              ImageSpan($r('app.media.richu')).width(20).height(20)
              Span('07:16')
            }

            Text() {
              ImageSpan($r('app.media.yuechu')).width(20).height(20)
              Span('05:13')
            }
          }


          Row() {
            Text() {
              Span('15:16')
              ImageSpan($r('app.media.yueluo')).width(20).height(20)
            }

            Text() {
              Span('16:51')
              ImageSpan($r('app.media.riluo')).width(20).height(20)
            }
          }

        }
        .width('96%')
        .justifyContent(FlexAlign.SpaceBetween)
        .height(250)
        .backgroundColor(Color.White)
        .margin({ top: 150 })
        .alignItems(VerticalAlign.Top)


        // 金色时刻(傍晚 )盏ばⓁ餐天时刻
        // 蓝色时刻(傍晚)
        // 17:09-17:20
        Row() {
          Column() {
            Text('金色时刻（清晨）').text1()
            Text('06:56-07:57').text2()
          }

          Column() {
            Text('日照时长').text1()
            Text('9.6h').text2()
          }

          Column() {
            Text('蓝色时刻（清晨）').text1()
            Text('06:45-06:56').text2()
          }

        }.width('100%').justifyContent(FlexAlign.SpaceAround).margin({ top: 30 })


        Row() {
          Column() {
            Text('金色时刻（傍晚）').text1()
            Text('16:09-17:09').text2()
          }

          Column() {
            Text('中天时刻').text1()
            Text('12:03').text2()
          }

          Column() {
            Text('蓝色时刻（傍晚）').text1()
            Text('17:09-17:20').text2()
          }

        }.width('100%').justifyContent(FlexAlign.SpaceAround).margin({ top: 140 })

      }.margin({ top: 30 }).width('100%')

    }
    .height('100%')
    .width('100%')
  }

  aboutToAppear() {
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
    this.loginWithHuaweiID();
    this.getDate();
  }

  /**
   * Sample code for using HUAWEI ID to log in to atomic service.
   * According to the Atomic Service Review Guide, when a atomic service has an account system,
   * the option to log in with a HUAWEI ID must be provided.
   * The following presets the atomic service to use the HUAWEI ID silent login function.
   * To enable the atomic service to log in successfully using the HUAWEI ID, please refer
   * to the HarmonyOS HUAWEI ID Access Guide to configure the client ID and fingerprint certificate.
   */
  private loginWithHuaweiID() {
    // Create a login request and set parameters
    let loginRequest = new authentication.HuaweiIDProvider().createLoginWithHuaweiIDRequest();
    // Whether to forcibly launch the HUAWEI ID login page when the user is not logged in with the HUAWEI ID
    loginRequest.forceLogin = false;
    // Execute login request
    let controller = new authentication.AuthenticationController();
    controller.executeRequest(loginRequest).then((data) => {
      let loginWithHuaweiIDResponse = data as authentication.LoginWithHuaweiIDResponse;
      let authCode = loginWithHuaweiIDResponse.data?.authorizationCode;
      // Send authCode to the backend in exchange for unionID, session

    }).catch((error: BusinessError) => {
      hilog.error(0x0000, 'testTag', 'error: %{public}s', JSON.stringify(error));
      if (error.code == authentication.AuthenticationErrorCode.ACCOUNT_NOT_LOGGED_IN) {
        // HUAWEI ID is not logged in, it is recommended to jump to the login guide page

      }
    });
  }

  private getDate() {
    // 获取当前时间的时间戳（以毫秒为单位）
    const currentTime = Date.now();

    // 计算10个小时后的时间戳（1小时 = 3600000毫秒）
    let tenHoursLater = currentTime + 7 * 3600000;

    let interval: number;

    const updateCountdown = () => {
      // 获取当前时间的时间戳
      const now = Date.now();

      // 计算剩余时间（以毫秒为单位）
      const remainingTime = tenHoursLater - now;

      // 如果剩余时间小于等于0，说明倒计时结束，清除定时器并重新开始倒计时
      if (remainingTime <= 0) {
        clearInterval(interval);
        // 重新计算10个小时后的时间戳
        tenHoursLater = Date.now() + 7 * 3600000;
        // 重新开始倒计时
        interval = setInterval(updateCountdown, 1000);
        return;
      }

      // 将剩余时间转换为小时、分钟、秒的格式
      const hours = Math.floor(remainingTime / 3600000);
      const minutes = Math.floor((remainingTime % 3600000) / 60000);
      const seconds = Math.floor((remainingTime % 60000) / 1000);

      // 在控制台输出当前剩余时间
      // console.log(`${hours}小时 ${minutes}分钟 ${seconds}秒`);
      this.message = `0${hours}小时 ${minutes}分钟 ${seconds}秒`;
    };

    // 开始倒计时
    interval = setInterval(updateCountdown, 1000);


  }

  private getHour() {
    // 获取当前时间的时间戳（以毫秒为单位）
    const timestamp = Date.now();

    // 根据时间戳创建一个Date对象
    const currentDate = new Date(timestamp);


    // 获取年份（例如：2024）
    const year = currentDate.getFullYear();

    // 获取月份（取值范围是0 - 11，0代表一月，11代表十二月）
    const month = currentDate.getMonth() + 1; // 需加1以得到实际的月份值

    // 获取日期（取值范围是1 - 31）
    const day = currentDate.getDate();

    // 获取小时（24小时制，取值范围是0 - 23）
    const hours = currentDate.getHours();

    // 获取分钟（取值范围是0 - 59）
    const minutes = currentDate.getMinutes();

    return `${year} 年 ${month} 月 ${day} 日 ${hours} : ${minutes}`;
  }
}