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
import { authentication } from '@kit.AccountKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import { EventMyItem } from './EventMyItem';
import { SearchBar } from './SearchBar';
import { promptAction } from '@kit.ArkUI';export class ListItem1 {
img: ResourceStr;
title: string;
yuji: string;
content: string;
danhao: string;constructor(img: ResourceStr, title: string, yuji: string, content: string, danhao: string) { this.img = img; this.title = title; this.yuji = yuji; this.content = content; this.danhao = danhao; }}
@Entry
@Component
struct Index {
@State message: string = 'Hello World';
@State listItem1: ListItem1[] = [
new ListItem1(r('app.media.img'), '运输中', '预计12.31送达', '手机尾号1415的包裹', '邮政快递包裹 | 9857489893889'), new ListItem1(r('app.media.img'), '运输中', '预计明天送达', '手机尾号1415的包裹',
'邮政快递包裹 | 98574898589'),
new ListItem1(r('app.media.img_1'), '已发货', '', '天猫|漫花400张20大包纸巾抽纸...', '极兔快递包裹 | 98578545889'), new ListItem1(r('app.media.img_2'), '已签收', '本人签收', '手机尾号1415的包裹', '中通快递包裹 | 985740124889'),
new ListItem1($r('app.media.img_2'), '运输中', '预计12.29送达', '手机尾号1415的包裹', '中通快递包裹 | 985796582'),] build() { Column() { Text($r('app.string.EntryAbility_label')).fontSize(20).margin({ bottom: 10 }) SearchBar({ onClickVoice: () => { promptAction.showToast({ message: '暂无查询的快递，请稍后重试' }) } }) List({ space: 6 }) { ForEach(this.listItem1, (item: ListItem1) => { ListItem() { EventMyItem({ data: item }) }.onClick(() => { promptAction.showToast({ message: '您的快递正在：' + item.title }) }) }) } } .alignItems(HorizontalAlign.Start) .height('100%') .padding(8) .width('100%') .margin({ top: 40 }) } 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 } }); }}
-
SearchBar
/**
-
Author:J
-
Describe:SearchBar
-
----------使用 leftView-------------------------------
@State textOne: string = '标准';
@State textTwo: string = '精准';
@State textOneAngle: number = 0;
@State textTwoAngle: number = 0; -
SearchBar({
-
leftView: this.leftViewBuilder.bind(this),
-
})
@Builder leftViewBuilder() {
Row() {
titleImage({
text: this.textOne,
angle: this.textOneAngle,
onClick: () => {
this.textOne = '标题,原文'
this.textOneAngle = this.textOneAngle == 0 ? 180 : 0
}
})
titleImage({
text: this.textTwo,
angle: this.textTwoAngle,
onClick: () => {
this.textTwoAngle = this.textTwoAngle == 0 ? 180 : 0
}
})
}
}- ----------使用 leftView-------------------------------
*/
@Preview
@ComponentV2
export struct SearchBar {
//左边视图
@BuilderParam leftView: () => void = this.leftViewBuilder;
//输入内容
@Param textInput: string = '';
@Param onChange: (value: string) => void = () => {
};
@Param onSubmit: (enterKey: EnterKeyType) => void = () => {
};
//语音点击
@Param onClickVoice: (event?: ClickEvent) => void = () => {
};
build() { Row() { this.leftView() TextInput({ text: this.textInput, placeholder: '请输入搜索内容' }) .width('100%') .layoutWeight(1) .padding({ left: 8 }) .backgroundColor(Color.White) .placeholderColor('#999999') .placeholderFont({ size: 14, weight: 400 })//光标颜色 // .caretColor($r('app.color.colorPrimary')) .enterKeyType(EnterKeyType.Search)//输入内容发生变化时，触发该回调 .onChange(this.onChange)// 按下输入法回车键触发该回调，返回值为当前输入法回车键的类型 .onSubmit(this.onSubmit) // Image($r('app.media.ic_clear_input_text')).width(16).margin(10) Image($r('app.media.ic_local_search')).width(24).margin(8).onClick(this.onClickVoice) } .width('100%') .height(40) .border({ width: 1, color: '#222222', radius: 6 }) } @Builder leftViewBuilder() { }}
interface TitleImageOption {
text: string,
angle: number,
onClick: (event?: ClickEvent) => void
}@Builder
export function titleImage($$: TitleImageOption) {
Row() {
Text($$.text)
.width(30)
.maxLines(1)
.textOverflow({ overflow: TextOverflow.Ellipsis })
.fontSize(14)
.fontColor('#222222')
Image(r('app.media.ic_local_search')).width(12).margin({ left: 4 }).rotate({ angle: .angle }) } .padding(4) .onClick($.onClick)
} -
-
Item
import { ListItem1 } from "./Index"
@ComponentV2
export struct EventMyItem {
@Param data: ListItem1 = new ListItem1('', '', '', '','')build() { Column() { Row({ space: 6 }) { Image(this.data.img).width(60).height(60).borderRadius(10) Column({ space: 6 }) { Row({space:6}){ Text(this.data.title) .fontColor('#222222') .fontSize(16) .fontWeight(FontWeight.Bold) Text(this.data.yuji) .fontColor(Color.Blue) .fontSize(14) } Text(this.data.content) .fontColor('#888888') .fontSize(16) Text(this.data.danhao) .fontColor('#092D3E') .padding(8) .borderRadius(8) .backgroundColor('#EBF4FF') .fontSize(16) }.alignItems(HorizontalAlign.Start) }.width("100%") .justifyContent(FlexAlign.Start) .alignItems(VerticalAlign.Top) } .width("100%") .margin({ top: 4, bottom: 4 }) .padding({ right: 12, left: 12, top: 8, bottom: 6 }) .border({ width: 1, radius: 8, color: '#F0F0F0' }) }}
function generateRandomDate(): string {
const minYear = 2024; // 最小年份
const maxYear = 2024; // 最大年份
const minMonth = 12; // 最小月份
const maxMonth = 12; // 最大月份
const minDay = 1; // 最小日期
const maxDay = 31; // 最大日期// 生成随机年份 const year = Math.floor(Math.random() * (maxYear - minYear + 1)) + minYear; // 生成随机月份 const month = Math.floor(Math.random() * (maxMonth - minMonth + 1)) + minMonth; // 根据月份生成合理的日期 let day = 0; if ([1, 3, 5, 7, 8, 10, 12].includes(month)) { day = Math.floor(Math.random() * (31 - minDay + 1)) + minDay; } else if ([4, 6, 9, 11].includes(month)) { day = Math.floor(Math.random() * (30 - minDay + 1)) + minDay; } else if (month === 2) { // 处理闰年 if ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0) { day = Math.floor(Math.random() * (29 - minDay + 1)) + minDay; } else { day = Math.floor(Math.random() * (28 - minDay + 1)) + minDay; } } // 返回格式化的日期字符串 return `${year}-${String(month).padStart(2, '0')}-${String(day).padStart(2, '0')}`;}
function generateFiveDigitRandomNumber(): number {
const min = 100; // 五位数的最小值
const max = 999; // 五位数的最大值
return Math.floor(Math.random() * (max - min + 1)) + min;
}
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