[英]Use one main class has all classes that I need in my components. Is that bad way?
我对在 Angular 7 中构建项目有疑问。
我有许多在每个组件中使用的重复类。 我以为我制作了一个 class 具有我需要的所有类,而不是在每个组件中导入所有这些类。
这将使我轻松控制项目。 但我不知道这是坏方法还是好方法? 是否消耗大量 memory 和资源?
EX 我的主要 class “AppImports”:
import { Injectable } from '@angular/core';
import { SplashScreen } from '@ionic-native/splash-screen/ngx';
import { StatusBar } from '@ionic-native/status-bar/ngx';
import 'rxjs/add/operator/map';
import {Router , ActivatedRoute} from "@angular/router"
import { Platform,MenuController, ModalController , AlertController, ToastController, PopoverController, ActionSheetController , NavController } from '@ionic/angular';
import { Keyboard } from '@ionic-native/keyboard/ngx';
import { Language } from './language';
import { Display } from './display';
import { Api } from './api';
import { Buttons } from './buttons';
import { Animations } from './animations';
@Injectable()
export class AppImports {
constructor(
public platform: Platform,
public splashScreen: SplashScreen,
public statusBar: StatusBar,
public keyboard: Keyboard,
public router: Router,
public activRoute: ActivatedRoute,
public menu: MenuController,
public modals: ModalController,
public alerts: AlertController,
public toasts:ToastController,
public pops: PopoverController,
public sheets: ActionSheetController ,
public navs: NavController,
public lang: Language,
public display: Display,
public api: Api,
public button: Buttons,
public animation: Animations
){}
}
在我的组件中,我只导入了一个 class “AppImports”,其中包含我的所有类:
import { Component } from '@angular/core';
import { AppImports } from '../imports/app-imports'
@Component({
selector: 'app-root',
templateUrl: 'app.component.html',
styleUrls: ['app.component.scss'],
})
export class AppComponent {
constructor(
public app :AppImports,
) {
this.app.menu.open();
}
}
那么,这是坏方法还是好方法?
在每个组件中,只需在该组件中导入您需要的内容。 如果你真的需要它的所有类,你可以在你的组件中导入AppImports
。
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