之前,我們研究了建立和設定一個新的 Angular 專案。在這篇文章中我們將分析基本結構。
讓我提醒您,該系列致力於開發用於搜尋機票和飯店的網路應用程式。 基於 Alfa Travel 的專案 - Travel.alfabank.ru
網站由以下部分組成:
這使我們能夠突出顯示主要部分:
更改AppComponent,使其僅輸出routerOutlet。
import { ChangeDetectionStrategy, Component } from '@angular/core'; import { RouterOutlet } from '@angular/router'; @Component({ selector: 'baf-root', standalone: true, imports: [RouterOutlet], template: '<router-outlet/>', changeDetection: ChangeDetectionStrategy.OnPush, }) export class AppComponent {}
刪除未使用的檔案:app.component.spec.ts、app.component.scss 和 app.component.html。
在app.config.browser.ts中新增瀏覽器版本的設定:
import { ApplicationConfig, mergeApplicationConfig } from '@angular/core'; import { provideAnimations } from '@angular/platform-browser/animations'; import { appConfig } from './app.config'; const browserConfig: ApplicationConfig = { providers: [provideAnimations()], }; export const config = mergeApplicationConfig(appConfig, browserConfig);
並將其導入main.ts:
import { bootstrapApplication } from '@angular/platform-browser'; import { AppComponent } from './app/app.component'; import { config } from './app/app.config.browser'; bootstrapApplication(AppComponent, config).catch((err) => console.error(err));
對於行動版本,我們需要觸控和滑動,因此我們使用hammerjs
安裝依賴項:
yarn add -D hammerjs @types/hammerjs
在瀏覽器中連接動畫和hammerjs:
import 'hammerjs'; import { ApplicationConfig, mergeApplicationConfig } from '@angular/core'; import { provideAnimations } from '@angular/platform-browser/animations'; import { appConfig } from './app.config'; const browserConfig: ApplicationConfig = { providers: [provideAnimations()], }; export const config = mergeApplicationConfig(appConfig, browserConfig);
您需要設定hammerjs的配置。
建立一個新的核心資料夾,我們將在其中儲存專案不可或缺的所有內容。
mkdir src/app/core mkdir src/app/core/lib echo >src/app/core/index.ts mkdir src/app/core/lib/hammer echo >src/app/core/lib/hammer/hammer.ts
在hammer.ts中我們指定配置:
import { EnvironmentProviders, importProvidersFrom, Injectable, Provider } from '@angular/core'; import { HAMMER_GESTURE_CONFIG, HammerGestureConfig, HammerModule } from '@angular/platform-browser'; @Injectable() export class HammerConfig extends HammerGestureConfig { override overrides = { swipe: { velocity: 0.4, threshold: 20 }, pinch: { enable: false }, rotate: { enable: false }, }; } export function provideHammer(): (Provider | EnvironmentProviders)[] { return [ importProvidersFrom(HammerModule), { provide: HAMMER_GESTURE_CONFIG, useClass: HammerConfig, }, ]; }
匯出到 src/app/core/index.ts:
export * from './lib/hammer/hammer';
為了快速訪問,請向 tsconfig.json 添加別名:
{ "compileOnSave": false, "compilerOptions": { "outDir": "./dist/out-tsc", "strict": true, "noImplicitOverride": true, "noPropertyAccessFromIndexSignature": true, "noImplicitReturns": true, "noFallthroughCasesInSwitch": true, "skipLibCheck": true, "esModuleInterop": true, "sourceMap": true, "declaration": false, "experimentalDecorators": true, "moduleResolution": "bundler", "importHelpers": true, "target": "ES2022", "module": "ES2022", "useDefineForClassFields": false, "lib": ["ES2022", "dom"], "baseUrl": ".", "paths": { "@baf/core": ["src/app/core/index.ts"] } }, "angularCompilerOptions": { "enableI18nLegacyMessageIdFormat": false, "strictInjectionParameters": true, "strictInputAccessModifiers": true, "strictTemplates": true } }
請注意,您還需要指定baseUrl。
在瀏覽器版本中連線:
import { ApplicationConfig, mergeApplicationConfig } from '@angular/core'; import { provideAnimations } from '@angular/platform-browser/animations'; import { provideHammer } from '@baf/core'; import { appConfig } from './app.config'; const browserConfig: ApplicationConfig = { providers: [provideAnimations(), provideHammer()], }; export const config = mergeApplicationConfig(appConfig, browserConfig);
佈局對於整個 Web 應用程式是通用的。讓我們新增一個新的 UI 資料夾,我們將在其中儲存元件。
mkdir src/app/ui mkdir src/app/ui/layout/lib echo >src/app/ui/layout/index.ts
運行指令:
yarn ng g c layout
將內容移到 src/app/ui/layout/lib。
我們看到所有內容都是在沒有我們需要的屬性和測試文件的情況下創建的:
import { Component } from '@angular/core'; @Component({ selector: 'baf-layout', standalone: true, imports: [], templateUrl: './layout.component.html', styleUrl: './layout.component.scss' }) export class LayoutComponent {}
在 angular.json 中我們將指定屬性:
{ "@schematics/angular:component": { "style": "scss", "changeDetection": "OnPush", "skipTests": true } }
編輯版面配置元件:
import { ChangeDetectionStrategy, Component } from '@angular/core'; import { RouterOutlet } from '@angular/router'; @Component({ selector: 'baf-results', standalone: true, imports: [RouterOutlet], templateUrl: './layout.component.html', styleUrl: './layout.component.scss', changeDetection: ChangeDetectionStrategy.OnPush, }) export class LayoutComponent {}
新增頁首、內容和頁尾:
<router-outlet name="top" /> <header> <router-outlet name="header" /> </header> <main> <router-outlet name="main-top" /> <router-outlet /> <router-outlet name="main-bottom" /> </main> <footer> <router-outlet name="footer" /> </footer> <router-outlet name="bottom" />
一些款式:
:host { display: flex; min-height: 100vh; flex-direction: column; } header, footer { flex-shrink: 0; } main { flex-grow: 1; overflow-x: hidden; }
將元件匯出到 src/app/ui/layout/index.ts:
export * from './lib/layout.component';
並在 tsconfig.json 中寫入別名:
{ "paths": { "@baf/core": ["src/app/core/index.ts"], "@baf/ui/layout": ["src/app/ui/layout/index.ts"] } }
在顯示佈局之前,您需要在應用程式中配置樣式。
要重設瀏覽器中的預設外觀,只需執行以下操作:
/* You can add global styles to this file, and also import other style files */ @use '@angular/cdk' as cdk; // Hack for global CDK dialogs styles @include cdk.overlay(); *, *::before, *::after { box-sizing: border-box; } html { -moz-text-size-adjust: none; -webkit-text-size-adjust: none; text-size-adjust: none; } blockquote { margin: 0; padding: 1rem; } h1 { margin-block-start: 1.45rem; margin-block-end: 1.45rem; } h2 { margin-block-start: 1.25rem; margin-block-end: 1.25rem; } h3 { margin-block-start: 1.175rem; margin-block-end: 1.175rem; } h4 { margin-block-start: 1.15rem; margin-block-end: 1.15rem; } figure { margin: 0; } p { margin-block-start: 1rem; margin-block-end: 1rem; } ul[role='list'], ol[role='list'] { list-style: none; } body { margin: 0; min-height: 100vh; line-height: 1.5; font-family: Arial, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif; font-size: 16px; } h1, h2, h3, h4, button, input, label { line-height: 1.1; } h1, h2, h3, h4 { text-wrap: balance; } a:not([class]) { text-decoration-skip-ink: auto; color: currentColor; } img, picture { max-width: 100%; display: block; } input, button, textarea, select { font: inherit; } textarea:not([rows]) { min-height: 10rem; } :target { scroll-margin-block: 5ex; }
重置將被放置在 styles.scss 中。
編輯index.html:
<!doctype html> <html lang="en"> <head> <meta charset="utf-8" /> <title>BuyAndFly</title> <base href="/" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <link rel="preconnect" href="https://fonts.googleapis.com" /> <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin /> <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500&display=swap" rel="stylesheet" /> <meta name="description" content="Example Angular 18 application for search for cheap flights and hotels." /> <link rel="preconnect" href="https://photo.hotellook.com" /> <link rel="apple-touch-icon" sizes="180x180" href="/favicons/apple-touch-icon.png" /> <link rel="icon" type="image/png" sizes="32x32" href="/favicons/favicon-32x32.png" /> <link rel="icon" type="image/png" sizes="16x16" href="/favicons/favicon-16x16.png" /> <link rel="manifest" href="/site.webmanifest" /> <link rel="mask-icon" href="/favicons/safari-pinned-tab.svg" color="#172659" /> <meta name="msapplication-config" content="/browserconfig.xml" /> <meta name="msapplication-TileColor" content="#172659" /> <meta name="theme-color" content="#ffffff" /> </head> <body> <baf-root></baf-root> </body> </html>
將產生的圖示以及其他檔案新增至公用:
browserconfig.xml:
<?xml version="1.0" encoding="utf-8"?> <browserconfig> <msapplication> <tile> <square150x150logo src="/favicons/mstile-150x150.png"/> <TileColor>#172659</TileColor> </tile> </msapplication> </browserconfig>
site.webmanifest:
{ "name": "Buy & Fly", "short_name": "Buy & Fly", "icons": [ { "src": "/favicons/android-chrome-192x192.png", "sizes": "192x192", "type": "image/png" }, { "src": "/favicons/android-chrome-512x512.png", "sizes": "512x512", "type": "image/png" } ], "theme_color": "#ffffff", "background_color": "#ffffff", "display": "standalone", "start_url": ".", "description": "Search for cheap flights and hotels.", "categories": ["travel", "education"], "screenshots": [ { "src": "screenshot.webp", "sizes": "1280x720", "type": "image/webp" } ] }
robots.txt:
User-agent: * Disallow: /api User-agent: Yandex Disallow: /api Clean-param: bonus&utm_source&utm_medium&utm_campaign&utm_term&utm_content&click_id&appstore&platform Host: https://buy-and-fly.fafn.ru Sitemap: https://buy-and-fly.fafn.ru/sitemap.xml
最後我們使用 src/app/app.routes.ts 中的佈局:
import { Routes } from '@angular/router'; export const routes: Routes = [ { path: '', loadComponent: () => import('@baf/ui/layout').then((m) => m.LayoutComponent), children: [], }, ];
啟動應用程式:
yarn serve
我們將看到白屏:)
Создадим шапку и подвал:
yarn ng g c header yarn ng g c footer
Перенесем в ui/layout и экспортируем:
export * from './lib/footer/footer.component'; export * from './lib/header/header.component'; export * from './lib/layout.component';
Подключим их в приложении:
import { Routes } from '@angular/router'; export const routes: Routes = [ { path: '', loadComponent: () => import('@baf/ui/layout').then((m) => m.LayoutComponent), children: [ { path: '', loadComponent: () => import('@baf/ui/layout').then((m) => m.HeaderComponent), outlet: 'header', }, { path: '', loadComponent: () => import('@baf/ui/layout').then((m) => m.FooterComponent), outlet: 'footer', }, ], }, ];
Запустим проект:
yarn serve
Видим созданные компоненты.
В следующей статье добавим core сервисы и интерфейсы.
Все исходники находятся на github, в репозитории - github.com/Fafnur/buy-and-fly
Демо можно посмотреть здесь - buy-and-fly.fafn.ru/
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