198 lines
4.2 KiB
Vue
198 lines
4.2 KiB
Vue
<template>
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<view v-if="visible" class="loading-container" @touchmove.stop.prevent="handleTouchMove">
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<view class="loading-content">
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<!-- 刻度点容器 -->
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<view class="clock-container">
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<view v-for="(dot, index) in dots" :key="index" class="clock-dot" :style="{
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transform: `rotate(${index * angle}deg) translateY(-${radius}px)`,
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backgroundColor: getDotColor(index),
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animationDuration: `${duration}ms`,
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animationDelay: `${index * (duration / dotsCount)}ms`
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}"></view>
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</view>
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<!-- 提示文本 -->
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<text class="loading-text" :class="text?'':'displayNone'" :style="{ color: textColor }">{{ text }}</text>
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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visible: false,
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dotsCount: 12,
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dotColors: ['#CEF231c2'],
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text: '请稍候...',//文本文字
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textColor: '#FFFFFFde',//文本颜色
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radius: 50,//圆的半径
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duration: 1200,//动画的播放速度
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colorIndex: 0
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}
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},
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computed: {
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// 计算每个点之间的角度
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angle() {
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return 360 / this.dotsCount
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},
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// 生成刻度点数组
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dots() {
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return Array.from({
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length: this.dotsCount
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})
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}
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},
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methods: {
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// 获取刻度点颜色（实现无限循环变色）
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getDotColor(index) {
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// 根据当前颜色索引和刻度点位置计算颜色
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const colorIndex = (index + this.colorIndex) % this.dotColors.length
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return this.dotColors[colorIndex]
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},
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// 更新颜色索引（实现循环变色）
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updateColorIndex() {
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this.colorIndex = (this.colorIndex + 1) % this.dotColors.length
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},
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// 显示loading
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show(options) {
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if(!options){
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options={};
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}
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this.update(options)
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this.visible = true
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// 启动颜色循环
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if (!this.colorTimer) {
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this.colorTimer = setInterval(() => {
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this.updateColorIndex()
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}, this.duration / this.dotColors.length)
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}
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},
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// 隐藏loading
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hide() {
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this.visible = false
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// 清除颜色循环定时器
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if (this.colorTimer) {
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clearInterval(this.colorTimer)
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this.colorTimer = null
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}
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},
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// 更新loading配置
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update(options) {
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if(!options){
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options={a:1};
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}
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Object.keys(options).forEach(key => {
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if (this[key] !== undefined) {
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this[key] = options[key]
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}
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})
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// 如果更新了颜色数组，重置颜色索引
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if (options.dotColors) {
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this.colorIndex = 0
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}
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},
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// 阻止触摸移动事件
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handleTouchMove() {}
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},
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beforeDestroy() {
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// 组件销毁前清除定时器
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if (this.colorTimer) {
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clearInterval(this.colorTimer)
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this.colorTimer = null
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}
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}
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}
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</script>
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<style scoped>
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/* 全屏遮罩层 */
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.loading-container {
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position: fixed;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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background-color: #000000c2;
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display: flex;
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justify-content: center;
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align-items: center;
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z-index: 99999999999;
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pointer-events: auto;
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}
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/* 内容居中 */
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.loading-content {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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transform: translateZ(0);
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/* 启用GPU加速 */
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margin-top: -150rpx;
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}
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/* 刻度容器 */
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.clock-container {
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position: relative;
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width: 200rpx;
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height: 200rpx;
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margin-bottom: 30rpx;
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}
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/* 单个刻度点 */
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.clock-dot {
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position: absolute;
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top: 50%;
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left: 50%;
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width: 14rpx;
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height: 52rpx;
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border-radius: 12rpx;
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/* margin-top: -4rpx;
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margin-left: -4rpx; */
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transform-origin: 0 0;
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animation: colorScale infinite ease-in-out;
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box-shadow: 0 0 8rpx rgba(0, 0, 0, 0.2);
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}
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/* 刻度点动画 - 颜色和大小变化 */
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@keyframes colorScale {
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0% {
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opacity: 0.05;
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}
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100% {
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opacity: 1;
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}
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}
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/* 提示文本 */
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.loading-text {
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font-size: 32rpx;
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font-weight: 400;
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letter-spacing: 1.4rpx;
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text-align: center;
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max-width: 80vw;
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padding: 0 20px;
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line-height: 1.5;
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font-family: 'PingFang SC';
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}
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.displayNone{
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display: none !important;
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}
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</style> |