Vue实现网页首屏加载动画及页面内请求数据加载loading效果
导读:收集整理的这篇文章主要介绍了Vue实现网页首屏加载动画及页面内请求数据加载loading效果,觉得挺不错的,现在分享给大家,也给大家做个参考。 目录简介:使用范例:1、四圆点加载动画2、...
收集整理的这篇文章主要介绍了Vue实现网页首屏加载动画及页面内请求数据加载loading效果,觉得挺不错的,现在分享给大家,也给大家做个参考。 目录
- 简介:
- 使用范例:
- 1、四圆点加载动画
- 2、旋涡加载动画
- 3、电池状态加载动画
- 4、请求数据缓慢实现loading提示【推荐】
- Ⅰ、封装loading组件【推荐】
- Ⅱ、通过elementUI实现
- 5、齿轮加载gif效果
- 总结
简介:
这是一篇有关【Vue实现网页首屏加载动画、页面内请求数据加载loading】的文章,用最精简的语言去表达给前端读者们。
使用范例:
public/index.htML【完整代码】
!DOCTYPE html> html lang="en"> head> meta charset="utf-8" /> meta http-equiv="X-UA-Compatible" content="IE=Edge" /> meta name="viewport" content="width=device-width,inITial-scale=1.0" /> link rel="icon" href="%= BASE_URL %> favicon.ico" rel="external nofollow" /> !-- 加载动画 --> style> html,body,#app{ width:100%; height:100%; } .d2-home{ background-color:#303133; height:100%; display:flex; position:relative; } .d2-home__main{ position:absolute; left:50%; top:50%; transform:translatex(-50%) translateY(-50%); } .d2-home__footer{ width:100%; flex-grow:0; text-align:center; padding:1em 0; } .d2-home__loading{ height:82px; width:82px; } /style> title> %= webpackconfig.name %> /title> /head> body> noscript> strong > We're sorry but test doesn't work PRoperly without JavaScript enabled. Please enable it to continue./strong > /noscript> div id="app"> !-- 动画节点 --> div class="d2-home__main"> img class="d2-home__loading" src="./image/20180919030732834.gif" alt="loading" /> /div> /div> !-- built files will be auto injected --> /body> /html>
注意:“加载动画不可与请求数据的组件同时使用!” 否则会出现两个加载效果。
- 在Public/index中使用需要谨慎,因为这是全局加载的。
- 建议使用loading组件
1、四圆点加载动画
压缩版样式文件:
style> #loading-mask{ position:fixed; left:0; top:0; height:100%; width:100%; background:#fff; user-select:none; z-index:9999; overflow:hidden} .loading-wrapper{ position:absolute; top:50%; left:50%; transform:translate(-50%,-100%)} .loading-dot{ animation:antRotate 1.2s infinite linear; transform:rotate(45deg); position:relative; display:inline-block; font-Size:64px; width:64px; height:64px; box-sizing:border-box} .loading-dot i{ width:22px; height:22px; position:absolute; display:block; background-color:#1890ff; border-radius:100%; transform:scale(.75); transform-origin:50% 50%; opacity:.3; animation:antSpinMove 1s infinite linear alternate} .loading-dot i:nth-child(1){ top:0; left:0} .loading-dot i:nth-child(2){ top:0; right:0; -webkit-animation-delay:.4s; animation-delay:.4s} .loading-dot i:nth-child(3){ right:0; bottom:0; -webkit-animation-delay:.8s; animation-delay:.8s} .loading-dot i:nth-child(4){ bottom:0; left:0; -webkit-animation-delay:1.2s; animation-delay:1.2s} @keyframes antRotate{ to{ -webkit-transform:rotate(405deg); transform:rotate(405deg)} } @-webkit-keyframes antRotate{ to{ -webkit-transform:rotate(405deg); transform:rotate(405deg)} } @keyframes antSpinMove{ to{ opacity:1} } @-webkit-keyframes antSpinMove{ to{ opacity:1} } /style>
动画节点:
在id=“app” 标签内加入
!-- 动画节点 --> div id="loading-mask"> div class="loading-wrapper"> span class="loading-dot loading-dot-spin"> i> /i> i> /i> i> /i> i> /i> /span> /div> /div>
2、旋涡加载动画
压缩版样式文件:
style> html,body,#app{ height:100%; margin:0px; padding:0px; } .chromeframe{ margin:0.2em 0; background:#ccc; color:#000; padding:0.2em 0; } #loader-wrapper{ position:fixed; top:0; left:0; width:100%; height:100%; z-index:999999; } #loader{ display:block; position:relative; left:50%; top:50%; width:150px; height:150px; margin:-75px 0 0 -75px; border-radius:50%; border:3px solid transparent; border-top-color:#FFF; -webkit-animation:spin 2s linear infinite; -ms-animation:spin 2s linear infinite; -moz-animation:spin 2s linear infinite; -o-animation:spin 2s linear infinite; animation:spin 2s linear infinite; z-index:1001; } #loader:before{ content:""; position:absolute; top:5px; left:5px; right:5px; bottom:5px; border-radius:50%; border:3px solid transparent; border-top-color:#FFF; -webkit-animation:spin 3s linear infinite; -moz-animation:spin 3s linear infinite; -o-animation:spin 3s linear infinite; -ms-animation:spin 3s linear infinite; animation:spin 3s linear infinite; } #loader:after{ content:""; position:absolute; top:15px; left:15px; right:15px; bottom:15px; border-radius:50%; border:3px solid transparent; border-top-color:#FFF; -moz-animation:spin 1.5s linear infinite; -o-animation:spin 1.5s linear infinite; -ms-animation:spin 1.5s linear infinite; -webkit-animation:spin 1.5s linear infinite; animation:spin 1.5s linear infinite; } @-webkit-keyframes spin{ 0%{ -webkit-transform:rotate(0deg); -ms-transform:rotate(0deg); transform:rotate(0deg); } 100%{ -webkit-transform:rotate(360deg); -ms-transform:rotate(360deg); transform:rotate(360deg); } } @keyframes spin{ 0%{ -webkit-transform:rotate(0deg); -ms-transform:rotate(0deg); transform:rotate(0deg); } 100%{ -webkit-transform:rotate(360deg); -ms-transform:rotate(360deg); transform:rotate(360deg); } } #loader-wrapper .loader-section{ position:fixed; top:0; width:51%; height:100%; background:#1890ff; z-index:1000; -webkit-transform:translateX(0); -ms-transform:translateX(0); transform:translateX(0); } #loader-wrapper .loader-section.section-left{ left:0; } #loader-wrapper .loader-section.section-right{ right:0; } .loaded #loader-wrapper .loader-section.section-left{ -webkit-transform:translateX(-100%); -ms-transform:translateX(-100%); transform:translateX(-100%); -webkit-transition:all 0.7s 0.3s cubic-bezier(0.645,0.045,0.355,1.000); transition:all 0.7s 0.3s cubic-bezier(0.645,0.045,0.355,1.000); } .loaded #loader-wrapper .loader-section.section-right{ -webkit-transform:translateX(100%); -ms-transform:translateX(100%); transform:translateX(100%); -webkit-transition:all 0.7s 0.3s cubic-bezier(0.645,0.045,0.355,1.000); transition:all 0.7s 0.3s cubic-bezier(0.645,0.045,0.355,1.000); } .loaded #loader{ opacity:0; -webkit-transition:all 0.3s ease-out; transition:all 0.3s ease-out; } .loaded #loader-wrapper{ visibility:hidden; -webkit-transform:translateY(-100%); -ms-transform:translateY(-100%); transform:translateY(-100%); -webkit-transition:all 0.3s 1s ease-out; transition:all 0.3s 1s ease-out; } .no-js #loader-wrapper{ display:none; } .no-js h1{ color:#222222; } #loader-wrapper .load_title{ font-family:'Open Sans'; color:#FFF; font-size:19px; width:100%; text-align:center; z-index:9999999999999; position:absolute; top:60%; opacity:1; line-height:30px; } #loader-wrapper .load_title span{ font-weight:normal; font-style:italic; font-size:13px; color:#FFF; opacity:0.5; } /style>
动画节点:
在id=“app” 标签内加入
!-- 动画节点 --> div id="loader-wrapper"> div id="loader"> /div> div class="loader-section section-left"> /div> div class="loader-section section-right"> /div> div class="load_title"> 正在加载,请耐心等待 br> span> V0.1/span> /div> /div>
3、电池状态加载动画
压缩版样式:
style media="screen" type="text/css"> #app-cockpit-loading{ width:120px; height:40px; position:absolute; font-size:50px; line-height:50px; top:50%; left:50%; transform:translateY(-50%) translateX(-50%); } #app-cockpit-loading span{ display:inline-block; width:8px; height:100%; border-radius:4px; background:#1890ff; -webkit-animation:load 1s ease infinite; } @-webkit-keyframes load{ 0%,100%{ height:40px; background:#1890ff; } 50%{ height:70px; margin:-15px 0; background:lightblue; } } #app-cockpit-loading span:nth-child(2){ -webkit-animation-delay:0.2s; } #app-cockpit-loading span:nth-child(3){ -webkit-animation-delay:0.4s; } #app-cockpit-loading span:nth-child(4){ -webkit-animation-delay:0.6s; } #app-cockpit-loading span:nth-child(5){ -webkit-animation-delay:0.8s; } /style>
动画节点:
在id=“app” 标签内加入
!-- 动画节点 --> div id="app-cockpit-loading"> span> /span> span> /span> span> /span> span> /span> span> /span> /div>
4、请求数据缓慢实现loading提示【推荐】
下载加载图标GIF图标
Ⅰ、封装loading组件【推荐】
loading.vue
template> div class="loadingBox" v-show="loading" style="background-color: rgba(0, 0, 0, 0.5)" > div class="sun-loading"> /div> /div> /template> script> export default { name: "loading", data() { return { loading: false, } ; } , created() { VAR that = this; this.bus.$on("loading", function (data) { that.loading = !!data; } ); } ,} ; /script> style lang="less" scoped> .sun-loading { width: 45px; height: 45px; display: block; animation: sunLoading 1s steps(12, end) infinite; background: transparent url("http://www.sucaijishi.COM/uploaDFile/2018/0919/20180919030731920.gif?imageMogr2/format/jpg/blur/1x0/quality/60"); background-size: 100%; margin: auto; position: absolute; top: 0; left: 0; bottom: 0; right: 0; } /style>
根文件(App.vue)中使用:
template> div id="app"> keep-alive> router-view v-if="$route.meta.keepAlive" /> /keep-alive> router-view v-if="!$route.meta.keepAlive" /> !--loading加载--> Loading> /Loading> div style="height: 30px"> /div> /div> /template> script> import Loading From "./components/loading.vue"; //引用loading组件export default { components: { Loading, } ,} ; /script>
main.js中全局注册
Vue.prototype.bus = new Vue();
页面使用:
//获取列表数据getList() { // 显示loading this.bus.$emit("loading", true); //请求接口 fetchList({ keywords: "水香木鱼", pageIndex: this.pageIndex, pageSize: this.pageSize, } ) .then((res) => { this.listData = res.data; // 关闭loading this.bus.$emit("loading", false); } ) .catch((error) => { } ); } ,
Ⅱ、通过elementUI实现
//获取列表数据getList() { // 开始加载loading let loading = this.$loading({ lock: true, //lock的修改符--默认是false text: "拼命加载中,请稍候...", //显示在加载图标下方的加载文案 background: "rgba(0,0,0,0.8)", //遮罩层颜色 spinner: "el-icon-loading", //自定义加载图标类名 } ); //请求接口 fetchList({ keywords: "水香木鱼", pageIndex: this.pageIndex, pageSize: this.pageSize, } ) .then((res) => { this.listData = res.data; //关闭loading loading.close(); } ) .catch((error) => { } ); } ,
5、齿轮加载gif效果
压缩版样式:
style> html,body,#app{ width:100%; height:100%; } .d2-home{ background-color:#303133; height:100%; display:flex; position:relative; } .d2-home__main{ position:absolute; left:50%; top:50%; transform:translateX(-50%) translateY(-50%); } .d2-home__footer{ width:100%; flex-grow:0; text-align:center; padding:1em 0; } .d2-home__loading{ height:82px; width:82px; } /style>
动画节点:
在id=“app” 标签内加入
div class="d2-home__main"> img class="d2-home__loading" src="./image/20180919030732834.gif" alt="loading" /> /div>
总结
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