视频1 视频21 视频41 视频61 视频文章1 视频文章21 视频文章41 视频文章61 推荐1 推荐3 推荐5 推荐7 推荐9 推荐11 推荐13 推荐15 推荐17 推荐19 推荐21 推荐23 推荐25 推荐27 推荐29 推荐31 推荐33 推荐35 推荐37 推荐39 推荐41 推荐43 推荐45 推荐47 推荐49 关键词1 关键词101 关键词201 关键词301 关键词401 关键词501 关键词601 关键词701 关键词801 关键词901 关键词1001 关键词1101 关键词1201 关键词1301 关键词1401 关键词1501 关键词1601 关键词1701 关键词1801 关键词1901 视频扩展1 视频扩展6 视频扩展11 视频扩展16 文章1 文章201 文章401 文章601 文章801 文章1001 资讯1 资讯501 资讯1001 资讯1501 标签1 标签501 标签1001 关键词1 关键词501 关键词1001 关键词1501 专题2001
vue实现页面加载动画代码教程
2020-11-27 20:03:54 责编:小OO
文档


我们经常看到数据未出现时,页面中会有一条提示消息, 页面正在加载中,如何实现该效果呢 ,本文主要为大家详细介绍了vue实现页面加载动画效果,vue页面出现正在加载的初始页面与实现动画效果,具有一定的参考价值,感兴趣的小伙伴们可以参考一下,希望能帮助到大家。

请看下面代码

<template>
 <section class="page" v-if="option" 
 :style="{background: option.background,color: option.color||'#fff'}" 
 :class="{'page-before': option.index < currentPage,
 'page-after': option.index > currentPage,
 'page-current': option.index === currentPage}">
 <p :class="{'all-center': option.isCenter}">
 <slot></slot>
 </p>
 </section>
 <section class="page" v-else>页面正在渲染中。。</section>
</template>

有木有感觉很简单
下面上点干货,实现页面的动画效果

<template>
 <nav class="controller">
 <button v-if="option.arrowsType" class="prev-btn" :class="{moving:option.arrowsType === 'animate'}" @click="changePage(prevIndex)"></button>
 <ul v-if="option.navbar">
 <li v-for="index in pageNum" @click="changePage(index)" :class="{current:option.highlight && index === currentPage}" :key="'controller-'+index" :data-index="index" class="controller-item"></li>
 </ul>
 <button v-if="option.arrowsType" class="next-btn" :class="{moving:option.arrowsType === 'animate'}" @click="changePage(nextIndex)"></button>
 </nav>
</template>

<script>
export default {
 name: 'page-controller',
 props: {
 pageNum: Number,
 currentPage: Number,
 option: {
 type: Object,
 default: {
 arrowsType: 'animate',
 navbar: true,
 highlight: true,
 loop: true //是否开启滚动循环
 }
 }
 },
 methods: {
 changePage (index) {
 this.$emit('changePage', index);
 }
 },
 computed: {
 nextIndex () {
 if (this.currentPage === this.pageNum) {
 if(this.option.loop){
 return 1
 }else{
 return this.pageNum
 }
 } else {
 return this.currentPage + 1;
 }
 },
 prevIndex () {
 if (this.currentPage === 1) {
 if(this.option.loop){
 return this.pageNum
 }else{
 return 1
 }
 } else {
 return this.currentPage - 1;
 }
 }
 },
 created () {
 if (this.option.navbar === undefined) {
 this.option.navbar = true;
 }
 },
 mounted () {
 let _this = this;
 let timer = null;
 let start = 0;
 // 滚轮处理
 function scrollHandler (direction) {
 // 防止重复触发滚动事件
 if (timer != null) {
 return;
 }
 if (direction === 'down') {
 _this.changePage(_this.nextIndex);
 } else {
 _this.changePage(_this.prevIndex);
 }
 timer = setTimeout(function() {
 clearTimeout(timer);
 timer = null;
 }, 300);
 }
 // if (Object.hasOwnProperty.call(window,'onmousewheel')) {
 if (Object.hasOwnProperty.call(window,'onmousewheel')) {
 // 监听滚轮事件
 window.addEventListener('mousewheel',function (event) { // IE/Opera/Chrome
 let direction = event.wheelDelta > 0 ? 'up':'down';
 scrollHandler(direction);
 },false);
 } else {
 window.addEventListener('DOMMouseScroll',function (event) { // Firefox
 let direction = event.detail > 0 ? 'up':'down';
 scrollHandler(direction);
 },false);
 }
 // 移动端触摸事件处理
 window.addEventListener('touchstart', function (event) {
 start = event.touches[0].clientY;
 })
 window.addEventListener('touchmove', function (event) {
 event.preventDefault();
 })
 window.addEventListener('touchend', function (event) {
 let spacing = event.changedTouches[0].clientY - start;
 let direction; 
 if (spacing > 50) {
 direction = 'up';
 scrollHandler(direction);
 } else if (spacing < -50) {
 direction = 'down';
 scrollHandler(direction);
 }
 })
 }
}
</script>

<style scoped>
.controller {
 position: fixed;
 right: 20px;
 top: 50%;
 z-index: 99;
}
.controller ul {
 transform: translate3d(0,-50%,0);
 list-style: none;
 margin: 0;
 padding: 0;
}
.controller-item {
 cursor: pointer;
 width: 20px;
 height: 20px;
 border-radius: 50%;
 margin-top: 10px;
 background-color: rgba(255, 255, 255, 0.3);
 transition: background-color 0.3s ease 0s;
}
.controller-item:hover {
 background-color: rgba(255, 255, 255, 0.7);
}
.controller-item.current {
 background-color: rgba(255, 255, 255, 1);
}
.prev-btn,.next-btn {
 cursor: pointer;
 display: block;
 text-align: center;
 width: 20px;
 height: 20px;
 position: fixed;
 left: 50%;
 margin-left: -10px;
 border: 4px solid #fff;
 background-color: transparent;
 outline: none;
}
.prev-btn {
 top: 80px;
 transform: rotate(-45deg);
 border-bottom-color: transparent;
 border-left-color: transparent;
}
.next-btn {
 bottom: 80px;
 transform: rotate(45deg);
 border-top-color: transparent;
 border-left-color: transparent;
}
.prev-btn.moving {
 animation: prev-up-down 0.7s linear 0s infinite;
}
.next-btn.moving {
 animation: next-up-down 0.7s linear 0s infinite;
}
@keyframes next-up-down {
 0% {
 transform: translate3d(0,0,0) rotate(45deg);
 }
 25% {
 transform: translate3d(0,6px,0) rotate(45deg);
 }
 50% {
 transform: translate3d(0,0,0) rotate(45deg);
 }
 75% {
 transform: translate3d(0,-6px,0) rotate(45deg);
 }
 100% {
 transform: translate3d(0,0,0) rotate(45deg);
 }
}
@keyframes prev-up-down {
 0% {
 transform: translate3d(0,0,0) rotate(-45deg);
 }
 25% {
 transform: translate3d(0,-6px,0) rotate(-45deg);
 }
 50% {
 transform: translate3d(0,0,0) rotate(-45deg);
 }
 75% {
 transform: translate3d(0,6px,0) rotate(-45deg);
 }
 100% {
 transform: translate3d(0,0,0) rotate(-45deg);
 }
}
</style>

下载本文
显示全文
专题