<template>
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<view v-if="show" class="u-loading" :class="mode == 'circle' ? 'u-loading-circle' : 'u-loading-flower'" :style="[cricleStyle]">
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</view>
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</template>
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<script>
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/**
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* loading 加载动画
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* @description 警此组件为一个小动画，目前用在uView的loadmore加载更多和switch开关等组件的正在加载状态场景。
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* @tutorial https://www.uviewui.com/components/loading.html
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* @property {String} mode 模式选择，见官网说明（默认circle）
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* @property {String} color 动画活动区域的颜色，只对 mode = flower 模式有效（默认#c7c7c7）
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* @property {String Number} size 加载图标的大小，单位rpx（默认34）
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* @property {Boolean} show 是否显示动画（默认true）
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* @example <u-loading mode="circle"></u-loading>
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*/
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export default {
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name: "u-loading",
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props: {
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// 动画的类型
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mode: {
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type: String,
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default: 'circle'
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},
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// 动画的颜色
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color: {
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type: String,
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default: '#c7c7c7'
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},
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// 加载图标的大小，单位rpx
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size: {
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type: [String, Number],
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default: '34'
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},
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// 是否显示动画
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show: {
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type: Boolean,
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default: true
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}
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},
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computed: {
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// 加载中圆圈动画的样式
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cricleStyle() {
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let style = {};
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style.width = this.size + 'rpx';
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style.height = this.size + 'rpx';
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if (this.mode == 'circle') style.borderColor = `#e4e4e4 #e4e4e4 #e4e4e4 ${this.color ? this.color : '#c7c7c7'}`;
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return style;
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},
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}
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}
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</script>
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<style lang="scss" scoped>
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@import "../../libs/css/style.components.scss";
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.u-loading-circle {
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/* #ifndef APP-NVUE */
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display: inline-flex;
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/* #endif */
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vertical-align: middle;
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width: 28rpx;
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height: 28rpx;
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background: 0 0;
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border-radius: 50%;
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border: 2px solid;
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border-color: #e5e5e5 #e5e5e5 #e5e5e5 #8f8d8e;
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animation: u-circle 1s linear infinite;
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}
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.u-loading-flower {
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width: 20px;
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height: 20px;
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display: inline-block;
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vertical-align: middle;
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-webkit-animation: a 1s steps(12) infinite;
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animation: u-flower 1s steps(12) infinite;
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background: transparent url(data:image/svg+xml;base64,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) no-repeat;
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background-size: 100%;
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}
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@keyframes u-flower {
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0% {
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-webkit-transform: rotate(0deg);
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transform: rotate(0deg);
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}
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to {
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-webkit-transform: rotate(1turn);
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transform: rotate(1turn);
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}
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}
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@-webkit-keyframes u-circle {
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0% {
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transform: rotate(0);
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}
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100% {
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transform: rotate(360deg);
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}
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}
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</style>
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