HarmonyOS NEXT 实战之元服务：静态案例效果---查看国际航班服务

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

效果图1完整代码案例如下：

• Index代码

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


export const DATA_CONFIG: Record<string, number> = {
  'NUMBER_LEN': 7,
  'DURATION_TIME': 200,
  'MILLENNIAL_LEN': 3
}

export const STYLE_CONFIG: Record<string, number> = {
  'ITEM_GUTTER': 12,
  'ITEM_HEIGHT': 26,
  'TEXT_MARGIN': 2,
  'PADDING_TOP': 32
}
@Entry
@Component
struct Index {
  build() {
    Column({ space: STYLE_CONFIG.ITEM_GUTTER }) {
      Text($r('app.string.EntryAbility_label')).fontColor(Color.White)
        .fontSize($r('sys.float.ohos_id_text_size_headline8'))
        .width($r('app.string.digital_scroll_animation_max_size'))
        .textAlign(TextAlign.Start)
        .margin({left:30})
      AddressExchangeViewComponent()
    }
    .padding({
      top: STYLE_CONFIG.PADDING_TOP
    })
    .margin({ top: 60 })
    .width($r('app.string.digital_scroll_animation_max_size'))
    .height($r('app.string.digital_scroll_animation_max_size'))
    .linearGradient({
      colors: [[$r('app.color.digital_scroll_animation_background_color'), 0.0],
        [$r('sys.color.ohos_id_color_background'), 0.3]]
    })

  }

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

  /**
   * 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

      }
    });
  }
}

• AddressExchangeViewComponent代码

import curves from '@ohos.curves';
import { promptAction } from '@kit.ArkUI';


@Preview
@ComponentV2
export struct AddressExchangeViewComponent {
  @Local rotateAngle: number = 0;
  @Local translateX: number = 0;
  @Local swap: boolean = false;
  private JWidth: number = 300;

  build() {

    Column({ space: 15 }) {
      Row() {
        Text($r('app.string.address_exchange_address_left'))
          .translate({ x: this.translateX })
          .width("40%")
          .textAlign(this.swap ? TextAlign.End : TextAlign.Start)
          .onClick(() => {
            promptAction.showToast({
              message: '北京',
            });
          })

        Stack() {
          Image($r('app.media.address_exchange_airplane'))
            .size({
              height: 16,
              width: 16
            })
          Image($r('app.media.address_exchange_recycle'))
            .size({
              height: 38,
              width: 38
            })
            .rotate({ angle: this.rotateAngle })
            .animation({
              curve: Curve.EaseOut,
              playMode: PlayMode.Normal,
            })
        }
        .width("20%")
        .onClick(() => {
          this.swap = !this.swap
          animateTo({ curve: curves.springMotion() }, () => {
            if (this.swap) {
              this.translateX = this.JWidth * 0.5;
            } else {
              this.translateX = 0
            }
          })
          this.rotateAngle += 180;
        })

        Text('深圳')
          .translate({ x: -this.translateX })
          .width("40%")
          .textAlign(this.swap ? TextAlign.Start : TextAlign.End)
          .onClick(() => {
            promptAction.showToast({
              message: '点了'
            });
          })
      }
      .width(this.JWidth)
      .padding(8)
      .height(60)

      Row({ space: 16 }) {
        Text(this.getDate())
          .fontSize($r('app.string.ohos_id_text_size_headline'))
          .fontWeight(FontWeight.Medium)
          .height(30)
        Text($r('app.string.address_exchange_week'))
          .height(30)
      }
      .width(this.JWidth)
      .onClick(() => {
        promptAction.showToast({
          message:'点了',
        });
      })

      Button($r('app.string.address_exchange_search_ticket'))
        .fontColor(Color.White)
        .height(40)
        .backgroundColor('#00B780')
        .width(this.JWidth)
        .onClick(() => {
          promptAction.showToast({
            message: '今日机器出现故障，请找工作室人员解决',
          });
        })
      Row({ space: 10 }) {
        Row() {
          Row() {
            Text('带儿童/婴儿').fontSize(13).fontColor('#222222')
            Toggle({ type: ToggleType.Checkbox, isOn: true })
          }

          Row() {
            Text('学生票').fontSize(13).fontColor('#222222')
            Toggle({ type: ToggleType.Checkbox, isOn: false })
          }
        }
      }.width('100%').justifyContent(FlexAlign.SpaceBetween)

      Row() {
        Text('VIP专享服务')
          .fontSize(18)
          .fontColor(Color.Black)

        Text('查看更多>')
          .fontSize(15)
          .fontColor(Color.Black)
      }.justifyContent(FlexAlign.SpaceBetween).width('100%').padding(10).onClick(() => {
      })


      Column() {
        Row() {
          this.msgRelated($r('app.media.j1'), '天天领劵', () => {
          })
          this.msgRelated($r('app.media.j2'), '低价监控', () => {

          })

          this.msgRelated($r('app.media.j3'), '空铁联订', () => {

          })

        }
        .width('95%')
        .height(80)
        .margin({
          bottom: 4,
          left: 12,
          right: 12
        })
        .backgroundColor(Color.White)
        .justifyContent(FlexAlign.SpaceAround)
      }
      .width('95%')
      .height(80)
      .margin({
        bottom: 4,
        left: 12,
        right: 12
      })
      .borderRadius(10)
      .borderWidth(1)
      .borderColor('#AEEA00')
      .backgroundColor(Color.White)
      .justifyContent(FlexAlign.SpaceAround)

      Row() {
        Text('天天享折扣')
          .fontSize(18)
          .fontColor(Color.Black)

        Text('查看更多>')
          .fontSize(15)
          .fontColor(Color.Black)
      }.justifyContent(FlexAlign.SpaceBetween).width('100%').padding(10).onClick(() => {
      })

      Row({ space: 20 }) {
        Column({ space: 10 }) {
          Text('上海   ->   美国').fontWeight(FontWeight.Bold).fontSize(13).fontColor('#5A5A5A')
          Row() {
            Text('12月3日 | 周一').fontSize(12).fontColor('#CAC8C9')
            Text('¥1600') {
              Span('折扣价  ').fontColor('#222222').fontSize(15)
              Span('¥1600').fontColor(Color.Red).fontSize(15).fontWeight(FontWeight.Regular)
            }.fontSize(15).fontColor(Color.Red).fontWeight(FontWeight.Bold).margin({ left: 8 })
          }.width('100%').justifyContent(FlexAlign.SpaceBetween)

          Text() {
            Span('原价  ').fontColor('#222222').fontSize(15)
            Span('¥2000').fontColor(Color.Red).fontSize(15).fontStyle(FontStyle.Italic)
          }.fontWeight(FontWeight.Bold).margin({ left: 8 })

        }
        .width('100%')
        .borderRadius(18)
        .backgroundColor('#F5F9F8')
        .padding(8)
        .borderWidth(2)
        .borderColor('#00B780')
        .alignItems(HorizontalAlign.Start)
      }

    }
    .width($r('app.string.address_exchange_content_size'))
    .height(178)
    .margin($r('app.string.ohos_id_card_margin_start'))
  }

  //消息相关
  @Builder
  msgRelated(src: Resource, title: string, onClick?: () => void) {
    Column() {
      Image(src).width(24)
      Text(title).fontSize(11).fontColor('#222222').margin({ top: 8 })
    }.onClick(() => {
      onClick?.()
    })

  }

  private getDate() {
    const now = new Date();
    const year = now.getFullYear();
    const month = now.getMonth() + 1; // 注意：月份是从0开始计数的
    const day = now.getDate();
    return `${year} 年 ${month} 月 ${day} 日`
  }
}

最近文章>>>>>>>>>>>

HarmonyOS NEXT实战：元服务与应用 APP 发布应用市场的详细步骤与流程

有兴趣的同学可以点击查看源码

• gitee：https://gitee.com/jiaojiaoone/explore-harmony-next/tree/case%2Fwanandroid/
• github：https://github.com/JasonYinH/ExploreHarmonyNext.git