HarmonyOS NEXT 实战之元服务：静态案例效果---教育培训服务

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

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


@Entry
@ComponentV2
struct Index {
  build() {
    Scroll() {
      Column({ space: 8 }) {
        Text($r('app.string.EntryAbility_label'))
          .textAlign(TextAlign.Center)
          .width('100%')
          .fontSize(28)
          .fontColor(Color.Black)
          .fontWeight(FontWeight.Bold)

        Column({ space: 5 }) {

          Text('一、按教育阶段分类').text1()
          Text('1、学前教育').text3()
          Text('☛服务咨询：亲子早教、幼儿园教育').text2()
          Text('2、中小学教育').text3()
          Text('☛服务咨询：小学、初中、高中教育').text2()
          Text('3、高等教育').text3()
          Text('☛服务咨询：专科、本科、研究生教育').text2()


          Text('二、按学科领域分类').text1()
          Text('1、外语培训').text3()
          Text('☛服务咨询：英语培训、小语种培训').text2()
          Text('2、学科辅导').text3()
          Text('☛服务咨询：理科辅导、文科辅导').text2()
          Text('3、艺术培训').text3()
          Text('☛服务咨询：音乐、舞蹈、美术培训').text2()

          Text('三、按技能领域分类').text1()
          Text('1、计算机与信息技术培训').text3()
          Text('☛服务咨询：编程培训、软件应用培训、网络技术与信息安全培训').text2()

        }.width('100%').alignItems(HorizontalAlign.Start)

      }
      .onClick(() => {
        promptAction.showToast({ message: '当前城市暂不支持此服务，请耐心等待后续开通...' })
      })
      .height('100%')
      .width('100%')
      .alignItems(HorizontalAlign.Start)
      .padding(12)
    }.height('100%')
    .width('100%')
  }

  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

      }
    });
  }
}

@Extend(Text)
function text1() {
  .fontSize(24)
  .fontColor(Color.White)
  .fontWeight(FontWeight.Bold)
  .backgroundColor('#788DF9')
  .padding(5)
  .borderRadius(6)
}

@Extend(Text)
function text2() {
  .fontSize(16)
  .fontColor(Color.Black)
  .margin({ left: 24 })
  .borderWidth(2)
  .borderRadius(5)
  .borderColor('#CCC8F6')
  .padding(3)
}

@Extend(Text)
function text3() {
  .fontSize(20)
  .fontColor(Color.Black)
  .fontWeight(FontWeight.Bold)
  .margin({ left: 12 })
}