HarmonyOS NEXT 实战之元服务：静态多案例效果（一）

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代码案例如下：

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

@Entry
@ComponentV2
struct Index {
  build() {
    Column() {

      Column() {
        //用户信息
        this.userInfo()
      }.backgroundColor('#4487EF').borderRadius(4)

      Row() {
        Text($r('app.string.EntryAbility_label'))
          .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($r('app.media.1'), '新能源导航', () => {
            promptAction.showToast({ message: '新能源导航' })
          })
          this.msgRelated($r('app.media.j2'), '货车', () => {

          })
          this.msgRelated($r('app.media.j3'), '摩托车', () => {

          })
          this.msgRelated($r('app.media.j4'), '骑行', () => {

          })

        }
        .width('95%')
        .height(80)
        .margin({
          top: 10,
          left: 12,
          right: 12
        })
        .backgroundColor(Color.White)
        .justifyContent(FlexAlign.SpaceAround)

        Row() {
          this.msgRelated($r('app.media.j5'), '卫星求救', () => {
          })
          this.msgRelated($r('app.media.j7'), '打车', () => {

          })

          this.msgRelated($r('app.media.j6'), '实时公交', () => {

          })

        }
        .width('95%')
        .height(80)
        .margin({
          bottom: 4,
          left: 12,
          right: 12
        })
        .backgroundColor(Color.White)
        .justifyContent(FlexAlign.SpaceAround)
      }
      .width('95%')
      .height(200)
      .margin({
        top: 10,
        bottom: 4,
        left: 12,
        right: 12
      })
      .borderRadius(10)
      .borderWidth(1)
      .borderColor("#F0F0F0")
      .backgroundColor(Color.White)
      .justifyContent(FlexAlign.SpaceAround)

    }
    .margin({ top: 48 })
  }

  //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?.()
    })

  }

  @Builder
  userInfo() {
    Row() {
      Image($r('app.media.ic_my_avatar'))
        .width(44)
      Column() {
        Text('张三')
          .fontSize(18)
          .fontColor(Color.White)
        Text('VIP标识')
          .fontSize(10)
          .margin({ top: 5 })
          .fontColor(Color.Yellow)
      }

      .alignItems(HorizontalAlign.Start)
      .layoutWeight(1)
      .margin({ left: 8 })

      Text() {
        Span('会员剩余')
        Span(' 9 ').fontSize(18).fontColor("#FEDB9B")
        Span('天')
      }
      .height(32)
      .fontColor("#FEDB9B")
      .fontSize(10)

      .padding({ left: 16, right: 12 })
      .borderRadius({ topLeft: 20, bottomLeft: 20 })
      //渐变色
      .linearGradient({
        angle: 135,
        colors: [["#1D2432", 0.2], ['#3E4A61', 0.8]]
      })
    }
    .padding({ bottom: 10 })
    .width('100%')
    .margin({ top: 46, left: 12 })
    .onClick(() => {

    })
  }

  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

      }
    });
  }
}

效果图2代码案例如下：

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

@Entry
@ComponentV2
struct Index {
  build() {
    Column() {

      Column() {
        Text($r('app.string.EntryAbility_label'))
          .margin({ left: 12 })
          .fontSize(18)
          .fontColor(Color.White)
        //用户信息
        this.userInfo()
      }.backgroundColor('#35B6BD').borderRadius(4).alignItems(HorizontalAlign.Start).padding({ top: 8 })

      Row() {
        Text('机动车出行')
          .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($r('app.media.j1'), '城市道路', () => {
            promptAction.showToast({ message: '城市道路' })
          })
          this.msgRelated($r('app.media.j2'), '高速公路', () => {

          })
          this.msgRelated($r('app.media.j3'), '乡村道路', () => {

          })
          this.msgRelated($r('app.media.j4'), '山区道路', () => {

          })

        }
        .width('95%')
        .height(80)
        .margin({
          top: 10,
          left: 12,
          right: 12
        })
        .backgroundColor(Color.White)
        .justifyContent(FlexAlign.SpaceAround)

      }
      .width('95%')
      .height(80)
      .margin({
        top: 10,
        bottom: 4,
        left: 12,
        right: 12
      })
      .borderRadius(10)
      .borderWidth(1)
      .borderColor('#35B6BD')
      .backgroundColor(Color.White)
      .justifyContent(FlexAlign.SpaceAround)


      Row() {
        Text('非机动车出行')
          .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($r('app.media.j5'), '自行车道', () => {
          })
          this.msgRelated($r('app.media.j6'), '电动自行车道', () => {

          })

          this.msgRelated($r('app.media.j7'), '人行车道', () => {

          })

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

      Row() {
        Text('特种车辆出行')
          .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($r('app.media.j8'), '应急救援车辆', () => {
          })
          this.msgRelated($r('app.media.j9'), '工程作业车辆', () => {

          })

        }
        .width('95%')
        .height(80)
        .margin({
          bottom: 4,
          left: 12,
          right: 12
        })
        .backgroundColor(Color.White)
        .justifyContent(FlexAlign.SpaceAround)
      }
      .width('95%')
      .height(80)
      .margin({
        top: 10,
        bottom: 4,
        left: 12,
        right: 12
      })
      .borderRadius(10)
      .borderWidth(1)
      .borderColor('RGB(255, 255, 0)')
      .backgroundColor(Color.White)
      .justifyContent(FlexAlign.SpaceAround)

    }
    .margin({ top: 48 })
  }

  //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?.()
    })

  }

  @Builder
  userInfo() {
    Row() {
      Image($r('app.media.ic_my_avatar'))
        .width(44)
      Column() {
        Text('小明')
          .fontSize(18)
          .fontColor(Color.White)
        Text('150****1178')
          .fontSize(10)
          .margin({ top: 5 })
          .fontColor(Color.Yellow)
      }

      .alignItems(HorizontalAlign.Start)
      .layoutWeight(1)
      .margin({ left: 8 })

    }
    .padding({ bottom: 10 })
    .width('100%')
    .margin({ top: 46, left: 12 })
    .onClick(() => {

    })
  }

  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

      }
    });
  }
}