How to use the better-scroll plug-in in Angular_AngularJS

This article mainly introduces the method of using the better-scroll plug-in in Angular. Now I will share it with you and give you a reference.

The use of better-scroll

Since infinite scrolling needs to be done at a fixed height, the overflow-y of CSS can also be completed, but what happens? Android is not very smooth and is still very stiff, so it uses the third-party library better-scroll and cooperates with Angular's ng-content. Angular's ng-content is very similar to Vue's slot, and some uncertain content can be projected into it through ng-content.

Install better-scroll

1: npm install better-scroll --save

2: Install types npm install better-scroll @types/ better-scroll --save

3: Introduce

listscroll component writing in angular-cli

According to the official documentation, better-scroll has requirements for the DOM structure. The outermost wrapper layer needs to have a fixed height, and the inner layer of content is supported according to the height of the content.

html part:

ng-content is the content to be projected in

component.ts part

1: import introduces BScroll

2: Initialize in the OnInit hook. Since OnInit, ngFor has not yet completed execution, so a timer is added to delay .

import { Component, OnInit, Input, ElementRef, ViewChild } from '@angular/core'; declare let BScroll; @Component({ selector: 'app-listscroll', templateUrl: './listscroll.component.html', styleUrls: ['./listscroll.component.css'] }) export class ListscrollComponent implements OnInit { @ViewChild('scroll') scrollEl: ElementRef; @Input() private height: number; public scroll; constructor() { } ngOnInit() { // 设置高度 this.scrollEl.nativeElement.style.height = `${this.height}px`; // 初始化 setTimeout(() => { this.scroll = new BScroll(this.scrollEl.nativeElement, {click: true}); }, 20); } }

Use the listscroll component in other components

 
 
第{{num}}个
 
 

The above is I compiled it for everyone, I hope it will be helpful to everyone in the future.

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