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：
import { authentication } from '@kit.AccountKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
@Entry
@Component
struct Index {
@State message: string = 'Hello World';
build() {
Column() {
Image($r('app.media.diandongche')).width('60%')
.height(200)
Row() {
Column({ space: 5 }) {
Row() {
Image($r('app.media.dianchi')).width(50).height(50)
Text('50%').fontColor(Color.White).fontSize(20).fontWeight(FontWeight.Bold)
}
Image($r('app.media.diandongche')).width(80)
.height(80)
}
.width('40%')
.backgroundColor('#9571E9')
.borderWidth(1)
.borderColor('#FF7F00')
.borderRadius(10)
.padding(6)
Row() {
Column({ space: 5 }) {
Image($r('app.media.dizhi')).width(50).height(50)
Text('庞各庄地铁C口').fontColor(Color.Black).fontSize(12)
}
Column({ space: 5 }) {
Image($r('app.media.xiang')).width(50).height(50)
Text('响铃找车').fontColor(Color.Black).fontSize(12)
}
}
.justifyContent(FlexAlign.SpaceBetween)
.width('100%')
.height(146)
.backgroundColor('#70E07B')
.borderWidth(1)
.borderColor('#FF7F00')
.borderRadius(10)
.width('55%')
.padding(6)
}
.justifyContent(FlexAlign.SpaceBetween)
.width('100%')
.margin({ top: 12 })
.backgroundColor('#D8D8FB')
.borderWidth(1)
.borderColor('#FF7F00')
.borderRadius(10)
.padding(6)
Row() {
Column({ space: 5 }) {
Text('450km').fontColor('#FF7F00').fontSize(18)
Text('累计骑行')
}
Column({ space: 5 }) {
Text('50km').fontColor('#FF7F00').fontSize(18)
Text('预计续航')
}
Column({ space: 5 }) {
Image($r('app.media.diandongche')).width(50).height(50)
Text('VIP解锁更多功能')
}
}
.justifyContent(FlexAlign.SpaceBetween)
.width('100%')
.margin({ top: 12 })
.backgroundColor('#D8D8FB')
.borderWidth(1)
.borderColor('#FF7F00')
.borderRadius(10)
.padding(6)
}
.height('100%')
.width('100%')
.margin({ top: 60 })
.padding(16)
}
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
}
});
}
}