彩票网站可以做哪些活动,手机视频网站建站,郑州门户网站建设,江门模板开发建站自动轮播#xff1a;实现切换图片#xff0c;图片循环播放#xff1b;鼠标悬停某张图片#xff0c; 则暂停切换。css方法一、opacity控制透明度实现轮播效果依照需求咱们选择用CSS3的animation动画进行实现#xff1b;transition动画须要触发才能启动#xff0c;html因此…自动轮播实现切换图片图片循环播放鼠标悬停某张图片 则暂停切换。css方法一、opacity控制透明度实现轮播效果依照需求咱们选择用CSS3的animation动画进行实现transition动画须要触发才能启动html因此咱们选择自动触发的animation属性动画思路就是将三个图片进行绝对定位重叠以后将三个图片的动画放在一条时间轴上分别在不一样时间点控制透明度在样式代码中的细节code写的很好理解了在不用DOM的状况下是一种办法。ormhtml:htm css:图片.banner{height: 378px;width: 100%;position: relative;img{width:100%;height: 378px;position: absolute;top: 0;}__pics1{opacity: 1;animation:pics1 5s linear 0s infinite normal both running;}keyframes pics1 {// 0%{opacity: 1;}// 33%{opacity: 1;}// 33.3%{opacity: 0;}// 66.6%{opacity: 0;}// 100%{opacity: 1;}from{opacity: 1;}32%{opacity: 1;}33%{opacity: 0;}to{opacity: 0;}}__pics2{opacity: 0;animation:pics2 5s linear 0s infinite normal both running;}keyframes pics2 {// 0%{opacity: 0;}// 33.3%{opacity: 1;}// 63.6%{opacity: 1;}// 66.6%{opacity: 0;}// 100%{opacity: 0;}from{opacity: 0;}30%{opacity: 0;}31%{opacity: 1;}60%{opacity: 1;}61%{opacity: 0;}to{opacity: 0;}}__pics3{opacity: 0;animation:pics3 5s linear 0s infinite normal both running;}keyframes pics3 {// 0%{opacity: 0;}// 33.3%{opacity: 0;}// 66.6%{opacity: 1;}// 96.6%{opacity: 1;}// 100%{opacity: 0;}from{opacity: 0;}60%{opacity: 0;}61%{opacity: 1;}to{opacity: 1;}}// :hover{// __pics1, __pics2, __pics3{// cursor: pointer;// animation-play-state: paused;// }// }}.banner:hover img{animation-play-state: paused;cursor: pointer;}方法二、left定位控制向左实现轮播效果.banner{height: 378px;width: 1900px;margin: 0 auto;overflow: hidden;position: relative;img{width:100%;height: 378px;position: absolute;top: 0;}__pics1{animation:pics1 15s linear 0s infinite normal both running;}keyframes pics1 {from{left: 2000px;;}2%{left: 0;}31%{left: 0;}33%{left: -2000px;}to{left: -2000px;}}__pics2{animation:pics2 15s linear 0s infinite normal both running;}keyframes pics2 {from{left: 2000px;}31%{left: 2000px;}33%{left: 0;}64%{left: 0;}66%{left: -2000px;}to{opacity: -2000px;}}__pics3{animation:pics3 15s linear 0s infinite normal both running;}keyframes pics3 {from{left: 2000px;}64%{left: 2000px;}66%{left: 0;}98%{left: 0;}to{left: -2000px;}}}.banner:hover img{animation-play-state: paused;cursor: pointer;}
