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
@ComponentV2
struct Index {
readonly PAGE_FULL: string = "100%";
readonly PRE_96: string = "96%";
readonly SIZE_40: number = 40;
readonly SIZE_30: number = 30;
readonly SIZE_20: number = 20;
readonly SIZE_16: number = 16;
readonly SIZE_8: number = 8;
readonly SIZE_4: number = 4;
@Local origin: string = '课程表一'
@Local author: string = '课程目录：语文'
@Local content: string = '08:00-10:15'
@Local category: string = '教学楼A'
@Local teacher: string = '王老师'
@Local status: number = 0
build() {
Column() {
Row({ space: this.SIZE_8 }) {
Row({ space: this.SIZE_8 }) {
Image($r('app.media.startIcon'))
.width(this.SIZE_20)
.height(this.SIZE_20)
Text($r('app.string.EntryAbility_label'))
.fontSize(14)
.fontColor(Color.Black)
}
Image($r('app.media.shuaxin'))
.width(this.SIZE_20)
.height(this.SIZE_20).onClick(() => {
this.status = this.status + 1
if (this.status == 0) {
this.content = '08:00-10:15'
this.author = '课程目录：语文'
this.origin = '课程表一'
this.category = '教学楼A'
this.teacher='王老师'
} else if (this.status == 1) {
this.content = '08:20-10:00'
this.author = '课程目录：数学'
this.origin = '课程表二'
this.category = '教学楼B'
this.teacher='李老师'
} else if (this.status == 2) {
this.content = '09:00-10:15'
this.author = '课程目录：英语'
this.origin = '课程表三'
this.category = '教学楼C'
this.teacher='贾老师'
} else if (this.status == 3) {
this.content = '11:00-12:15'
this.author = '课程目录：物理'
this.origin = '课程表四'
this.category = '教学楼D'
this.teacher='樊老师'
}else if (this.status == 4) {
this.content = '14:00-15:15'
this.author = '课程目录：地理'
this.origin = '课程表五'
this.category = '教学楼E'
this.teacher='朱老师'
this.status = -1
}
})
}
.justifyContent(FlexAlign.SpaceBetween)
.width(this.PAGE_FULL)
.borderRadius({ topLeft: 12, topRight: 12 })
.height(this.SIZE_40)
.linearGradient({
angle: 45,
colors: [['#F4FCFF', 0.1], ['#45B0E6', 1.0]]
})
.padding({
left: this.SIZE_16,
right: this.SIZE_16
})
Column({ space: 12}) {
Column({ space:12 }) {
Row() {
Text(this.origin).fontColor(Color.Black).fontSize(18).fontWeight(FontWeight.Bold)
Text().width(20).height(20).borderRadius(10).backgroundColor('#3877FE')
}.width('100%').justifyContent(FlexAlign.SpaceBetween)
Text(this.author).fontColor(Color.Black).fontSize(18)
Text('上课时间：'+this.content).fontColor(Color.Black).fontSize(18)
Row() {
Image($r('app.media.weizhi')).width(30).height(30)
Text(this.category)
}.width('100%')
Text('授课老师：'+this.teacher)
}.width('86%').backgroundColor('#EBF1FF').borderRadius(10).padding(16).alignItems(HorizontalAlign.Start)
}
.width(this.PAGE_FULL)
.margin({ top: 10 })
.padding({ top: 10, bottom: 14 })
}
.width('86%')
.height('40%')
.borderWidth(1)
.borderRadius(12)
.margin({ left: 23, top: 70, right: 13 })
.borderColor('#45B0E6')
}
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
}
});
}
}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
