1.項目介紹

該項目是記錄用戶日常飲食情況，以及針對不同食物攝入營養不同會有對應的營養攝入情況和日常運動消耗情況，用戶可以自己添加食品以及對應的熱量。

1.1登陸頁

1.2飲食統計頁

1.3 食物列表頁

2.登陸頁

2.1自定義彈框

import preferences from '@ohos.data.preferences';
import { CommonConstants } from '../constants/CommonConstants';
import Logger from './Logger';class PreferenceUtil{private pref: preferences.Preferencesasync loadPreference(context){try { // 加載preferencesthis.pref = await preferences.getPreferences(context, CommonConstants.H_STORE)Logger.debug(`加載Preferences[${CommonConstants.H_STORE}]成功`)} catch (e) {Logger.debug(`加載Preferences[${CommonConstants.H_STORE}]失敗`, JSON.stringify(e))}}async putPreferenceValue(key: string, value: preferences.ValueType){if (!this.pref) {Logger.debug(`Preferences[${CommonConstants.H_STORE}]尚未初始化！`)return}try {// 寫入數據await this.pref.put(key, value)// 刷盤await this.pref.flush()Logger.debug(`保存Preferences[${key} = ${value}]成功`)} catch (e) {Logger.debug(`保存Preferences[${key} = ${value}]失敗`, JSON.stringify(e))}}async getPreferenceValue(key: string, defaultValue: preferences.ValueType){if (!this.pref) {Logger.debug(`Preferences[${CommonConstants.H_STORE}]尚未初始化！`)return}try {// 讀數據let value = await this.pref.get(key, defaultValue)Logger.debug(`讀取Preferences[${key} = ${value}]成功`)return value} catch (e) {Logger.debug(`讀取Preferences[${key}]失敗`, JSON.stringify(e))}}
}const preferenceUtil = new PreferenceUtil()export default preferenceUtil as PreferenceUtil

export class CommonConstants {static readonly RDB_NAME: string = 'HealthyLife.db'; // db name// THOUSANDTHstatic readonly THOUSANDTH_15: string = '1.5%'; // ‘1.5%’static readonly THOUSANDTH_12: string = '2.2%'; // ‘2.2%’static readonly THOUSANDTH_33: string = '3.3%'; // ‘3.3%’static readonly THOUSANDTH_50: string = '5%'; // ‘5%’static readonly THOUSANDTH_66: string = '6.6%'; // ‘6.6%’static readonly THOUSANDTH_80: string = '8%'; // ‘8%’static readonly THOUSANDTH_100: string = '10%'; // ‘10%’static readonly THOUSANDTH_120: string = '12%'; // ‘12%’static readonly THOUSANDTH_160: string = '16%'; // ‘16%’static readonly THOUSANDTH_400: string = '40%'; // ‘40%’static readonly THOUSANDTH_420: string = '42%'; // ‘42%’static readonly THOUSANDTH_500: string = '50%'; // ‘50%’static readonly THOUSANDTH_560: string = '56%'; // ‘56%’static readonly THOUSANDTH_800: string = '80%'; // ‘80%’static readonly THOUSANDTH_830: string = '83%'; // ‘83%’static readonly THOUSANDTH_880: string = '88%'; // ‘88%’static readonly THOUSANDTH_900: string = '90%'; // ‘90%’static readonly THOUSANDTH_940: string = '94%'; // ‘90%’static readonly THOUSANDTH_1000: string = '100%'; // ‘100%’static readonly DEFAULT_2: number = 2;static readonly DEFAULT_6: number = 6;static readonly DEFAULT_8: number = 8;static readonly DEFAULT_12: number = 12;static readonly DEFAULT_10: number = 10;static readonly DEFAULT_16: number = 16;static readonly DEFAULT_18: number = 18;static readonly DEFAULT_20: number = 20;static readonly DEFAULT_24: number = 24;static readonly DEFAULT_28: number = 28;static readonly DEFAULT_32: number = 32;static readonly DEFAULT_48: number = 48;static readonly DEFAULT_56: number = 56;static readonly DEFAULT_60: number = 60;static readonly DEFAULT_100: number = 100;static readonly DEFAULT_180: number = 180;// fontWeightstatic readonly FONT_WEIGHT_400: number = 400;static readonly FONT_WEIGHT_500: number = 500;static readonly FONT_WEIGHT_600: number = 600;static readonly FONT_WEIGHT_700: number = 700;static readonly FONT_WEIGHT_900: number = 900;// opacitystatic readonly OPACITY_4: number = 0.4;static readonly OPACITY_6: number = 0.6;// radiusstatic readonly BORDER_RADIUS_PERCENT_50: string = '50%';// durationstatic readonly DURATION_1000: number = 1000; // 1000msstatic readonly DURATION_800: number = 800; // 700msstatic readonly DURATION_100: number = 100; // 100ms// spacestatic readonly SPACE_2: number = 2;static readonly SPACE_4: number = 4;static readonly SPACE_6: number = 6;static readonly SPACE_8: number = 8;static readonly SPACE_10: number = 10;static readonly SPACE_12: number = 12;// global data keystatic readonly H_STORE: string = 'HeimaHealthyStore';static readonly RECORD_DATE: string = 'selectedDate';static readonly PACKAGE_NAME: string = 'com.itheima.healthylife';static readonly ENTRY_ABILITY: string = 'EntryAbility';/*** 當前用戶推薦的每日攝入熱量上限，單位：卡路里*/static readonly RECOMMEND_CALORIE: number = 1962/*** 當前用戶推薦的每日攝入碳水上限，單位：克*/static readonly RECOMMEND_CARBON: number = 237/*** 當前用戶推薦的每日攝入蛋白質上限，單位：克*/static readonly RECOMMEND_PROTEIN: number = 68/*** 當前用戶推薦的每日攝入脂肪上限，單位：克*/static readonly RECOMMEND_FAT: number = 53
}

import { CommonConstants } from '../../common/constants/CommonConstants'
@CustomDialog
export default struct UserPrivacyDialog {controller: CustomDialogControllerconfirm: () => voidcancel: () => voidbuild() {Column({space: CommonConstants.SPACE_10}){// 1.標題Text($r('app.string.user_privacy_title')).fontSize(20).fontWeight(CommonConstants.FONT_WEIGHT_700)// 2.內容Text($r('app.string.user_privacy_content'))// 3.按鈕Button($r('app.string.agree_label')).width(150).backgroundColor($r('app.color.primary_color')).onClick(() => {this.confirm()this.controller.close()})Button($r('app.string.refuse_label')).width(150).backgroundColor($r('app.color.lightest_primary_color')).fontColor($r('app.color.light_gray')).onClick(() => {this.cancel()this.controller.close()})}.width('100%').padding(10)}
}

import common from '@ohos.app.ability.common'
import router from '@ohos.router'
import PreferenceUtil from '../common/utils/PreferenceUtil'
import UserPrivacyDialog from '../view/welcome/UserPrivacyDialog'
@Extend(Text) function opacityWhiteText(opacity: number, fontSize: number = 10) {.fontSize(fontSize).opacity(opacity).fontColor(Color.White)
}
const PREF_KEY = 'userPrivacyKey'
@Entry
@Component
struct WelcomePage {context = getContext(this) as common.UIAbilityContextcontroller: CustomDialogController = new CustomDialogController({builder: UserPrivacyDialog({confirm: () => this.onConfirm(),cancel: () => this.exitApp()})})async aboutToAppear(){// 1.加載首選項let isAgree = await PreferenceUtil.getPreferenceValue(PREF_KEY, false)// 2.判斷是否同意if(isAgree){// 2.1.同意，跳轉首頁this.jumpToIndex()}else{// 2.2.不同意，彈窗this.controller.open()}}jumpToIndex(){setTimeout(() => {router.replaceUrl({url: 'pages/Index'})}, 1000)}onConfirm(){// 1.保存首選項PreferenceUtil.putPreferenceValue(PREF_KEY, true)// 2.跳轉到首頁this.jumpToIndex()}exitApp(){// 退出APPthis.context.terminateSelf()}build() {Column({ space: 10 }) {Row() {Text('健康支持').opacityWhiteText(0.8, 12)Text('IPv6').opacityWhiteText(0.8).border({ style: BorderStyle.Solid, width: 1, color: Color.White, radius: 15 }).padding({ left: 5, right: 5 })Text('網絡').opacityWhiteText(0.8, 12)}Text(`'減更多'幫助更多用戶實現身材管理`).opacityWhiteText(0.6)Text('備****號').opacityWhiteText(0.4).margin({ bottom: 35 })}.width('100%').height('100%').backgroundColor($r('app.color.welcome_page_background'))}
}