新闻公告滚动
//template
<div id="news">
<div id="scrollBox" [class.scroll_top]="flag">
<span *ngFor="let item of news">{{item}}</span>
</div>
</div>
//css
#news{
position: relative;
overflow: hidden;
}
#scrollBox{
position: absolute;
left: 0;
top: 0;
}
#scrollBox span{
display: block;
height: 2rem;
line-height: 2rem;
}
.scroll_top {
transition: all 0.5s; //0.5s向上过渡2rem
margin-top: -2rem;
}
//ts
flag:boolean=false;
news=['aaaa','bbbb','cccc','dddd'];
timer=null;
ngOnInit(){
clearInterval(this.timer);
this.timer= setInterval(() => {
this.showMarquee();
}, 3000);
}
showMarquee() {
this.flag= true;
setTimeout (() => {
this.news.push(this.news[0]);
this.news.shift();
this.flag= false;
}, 500);
}
图片轮播
index.html引入<link rel="stylesheet" href="assets/css/swiper.min.css">
和<script src="assets/js/swiper.min.js"></script>
//template
<div class="swiper-container">
<div class="swiper-wrapper">
<div class="swiper-slide">slider1</div>
<div class="swiper-slide">slider2</div>
<div class="swiper-slide">slider3</div>
</div>
</div>
//css
.swiper-container {
width: 100%;
height: 100%;
margin: 0 auto;
}
.swiper-slide {
text-align: center;
font-size: 18px;
//background: #fff;
/* Center slide text vertically */
display: -webkit-box;
display: -ms-flexbox;
display: -webkit-flex;
display: flex;
-webkit-box-pack: center;
-ms-flex-pack: center;
-webkit-justify-content: center;
justify-content: center;
-webkit-box-align: center;
-ms-flex-align: center;
-webkit-align-items: center;
align-items: center;
}
//ts
let swipers = new Swiper('.swiper-container', {
"autoplay":{
"delay": 3000,
"stopOnLastSlide": false,
"disableOnInteraction": false
}
});