vue渐变淡入淡出轮播图
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <style type="text/css"> body, p, img, dl, dt, dd, ul, ol, h1, h2, h3, h4, h5, h6 { margin: 0; padding: 0; } body { position: relative; font: 12px/1.5 Simsun, Arial; } ul, ol { list-style: none; } img { border: 0 none; } input, select { vertical-align: middle; } table { border-collapse: collapse; } s, em, i { font-style: normal; text-decoration: none; } a { outline: none; text-decoration: none; } a:hover { text-decoration: underline; } .clear { *zoom: 1; } .clear:after { clear: both; content: "."; display: block; height: 0; overflow: hidden; visibility: hidden; zoom: 1; } .flip-list-enter-active, .flip-list-leave-active { transition: all 1s; } .flip-list-enter, .flip-list-leave-active { opacity: 0; } #app li { position: absolute; top: 0; left: 0; } </style> <script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.14.1/lodash.min.js"></script> <script src="https://unpkg.com/vue/dist/vue.js"></script> </head> <body> <div id="app" class="demo"> <transition-group name="flip-list" tag="ul"> <li v-for="curImg in currImgs" v-bind:key="curImg" class="list-item"> <img :src="curImg"> </li> </transition-group> </div> <script type="text/javascript"> new Vue({ el: '#app', data: { currImgs: [], imgs: [ 'https://img11.360buyimg.com/da/jfs/t4000/107/2234194410/85271/6c24d985/58a50cafNb60886c9.jpg', 'https://img20.360buyimg.com/da/jfs/t3154/175/5917485830/129679/f123634c/5897e6a2N83837dd2.jpg', 'https://img1.360buyimg.com/da/jfs/t3133/89/5984232745/66970/beaf615c/589ac9bcNe544a72e.jpg', 'https://img20.360buyimg.com/da/jfs/t3157/165/6117849901/102894/88bf53b8/589d67b6Ne8986a9e.jpg' ], index: 0 }, mounted: function () { this.currImgs = [this.imgs[0]]; this.startChange(); }, methods: { startChange: function () { var _this = this; setInterval(function () { if (_this.index < _this.imgs.length - 1) { _this.index++ } else { _this.index = 0 } _this.currImgs.splice(0, 1, _this.imgs[_this.index]); }, 2000); } } }) </script> </body> </html>