angular2实现图片轮播
1 import { Component, OnInit } from '@angular/core'; 2 3 @Component({ 4 moduleId: module.id, 5 selector: 'my-app', 6 template: ` 7 <div class="bannerContainer"> 8 <ul class="bannerPicList"> 9 <li [class.active]="currentPic==0"> <img src="app/images/black-hat.jpg"/></li> 10 <li [class.active]="currentPic==1"> <img src="app/images/black-shoes.jpg"/></li> 11 <li [class.active]="currentPic==2"> <img src="app/images/blue-jacket.jpg"/></li> 12 </ul> 13 <ul class="bannerBtnList"> 14 <li><span class="picBtn" (click)="changebanner(0)">●</span></li> 15 <li><span class="picBtn" (click)="changebanner(1)">●</span></li> 16 <li><span class="picBtn" (click)="changebanner(2)">●</span></li> 17 </ul> 18 </div> 19 `, 20 styles: [` 21 .bannerPicList li{ 22 display: none; 23 } 24 .bannerPicList li.active{ 25 display: block; 26 } 27 .bannerContainer .bannerBtnList { 28 position: absolute; 29 top: 360px; 30 left: 116px; 31 32 } 33 .bannerContainer .bannerBtnList li { 34 float: left; 35 margin: 0 5px; 36 list-style-type:none; 37 } 38 .bannerContainer .bannerBtnList span.picBtn { 39 margin: 20px; 40 height: 10px; 41 width: 10px; 42 background-color: #ddd; 43 display: block; 44 border-radius: 5px; 45 cursor: pointer; 46 } 47 `] 48 }) 49 export class AppComponent implements OnInit { 50 currentPic = 0; 51 constructor() { 52 setInterval(() => { 53 let id = (this.currentPic + 1) % 3; 54 this.currentPic = id; 55 },3000) 56 } 57 58 changebanner(id) { 59 console.log(id) 60 this.currentPic = id; 61 } 62 ngOnInit() { } 63 }