349 lines
7.4 KiB
Vue
349 lines
7.4 KiB
Vue
<template>
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<div
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v-if="visible"
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class="loading-container"
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:class="{
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'loading-container-fullscreen': fullscreen,
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'loading-container-inline': !fullscreen
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}"
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:style="containerStyle"
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>
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<div class="loading-spinner-wrapper" :style="spinnerWrapperStyle">
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<!-- 旋转圆环样式 -->
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<div v-if="type === 'spinner'" class="loading-spinner" :style="spinnerStyle">
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<svg class="loading-svg" viewBox="0 0 50 50" :style="svgStyle">
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<circle
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class="loading-path"
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cx="25"
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cy="25"
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r="20"
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fill="none"
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stroke="currentColor"
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:stroke-width="strokeWidth"
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:stroke-linecap="strokeLinecap"
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stroke-dasharray="94.2 94.2"
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stroke-dashoffset="94.2"
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></circle>
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</svg>
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</div>
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<!-- 点状加载样式 -->
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<div v-else-if="type === 'dots'" class="loading-dots" :style="dotsContainerStyle">
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<div
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v-for="n in 3"
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:key="n"
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class="loading-dot"
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:style="[
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dotStyle,
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{
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animationDelay: `${n * 0.2}s`
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}
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]"
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></div>
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</div>
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<!-- 脉冲样式 -->
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<div v-else-if="type === 'pulse'" class="loading-pulse" :style="pulseStyle"></div>
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<!-- 环形样式 -->
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<div v-else-if="type === 'ring'" class="loading-ring" :style="ringStyle">
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<div class="loading-ring-circle" :style="ringCircleStyle"></div>
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</div>
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<!-- 默认样式（旋转圆环） -->
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<div v-else class="loading-spinner" :style="spinnerStyle">
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<svg class="loading-svg" viewBox="0 0 50 50" :style="svgStyle">
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<circle
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class="loading-path"
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cx="25"
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cy="25"
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r="20"
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fill="none"
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stroke="currentColor"
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:stroke-width="strokeWidth"
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:stroke-linecap="strokeLinecap"
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stroke-dasharray="94.2 94.2"
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stroke-dashoffset="94.2"
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></circle>
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</svg>
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</div>
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<!-- 加载文本 -->
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<div v-if="text" class="loading-text" :style="textStyle">
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{{ text }}
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</div>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { computed } from 'vue'
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// 定义加载动画类型
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type LoadingType = 'spinner' | 'dots' | 'pulse' | 'ring'
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// Props 定义
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const props = defineProps<{
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// 是否显示加载组件
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visible: boolean
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// 加载动画类型
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type?: LoadingType
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// 加载动画大小
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size?: number | string
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// 加载动画颜色
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color?: string
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// 是否全屏显示
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fullscreen?: boolean
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// 加载文本
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text?: string
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// 遮罩层背景色
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background?: string
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// 遮罩层透明度
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opacity?: number
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// 线条宽度（仅适用于spinner和ring类型）
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strokeWidth?: number
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// 线条末端样式（仅适用于spinner类型）
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strokeLinecap?: 'round' | 'butt' | 'square'
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}>()
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// 计算容器样式
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const containerStyle = computed(() => {
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const style: any = {}
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if (props.fullscreen) {
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style.backgroundColor = props.background || 'rgba(255, 255, 255, 0.9)'
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style.opacity = props.opacity ?? 1
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}
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return style
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})
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// 计算spinner包装器样式
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const spinnerWrapperStyle = computed(() => {
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return {
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color: props.color || '#1890ff'
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}
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})
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// 计算spinner样式
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const spinnerStyle = computed(() => {
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return {
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width: typeof props.size === 'number' ? `${props.size}px` : props.size || '40px',
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height: typeof props.size === 'number' ? `${props.size}px` : props.size || '40px'
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}
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})
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// 计算svg样式
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const svgStyle = computed(() => {
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return {
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animationDuration: '1.4s',
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transformOrigin: 'center center'
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}
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})
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// 计算线条宽度
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const strokeWidth = computed(() => {
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return props.strokeWidth || 3
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})
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// 计算线条末端样式
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const strokeLinecap = computed(() => {
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return props.strokeLinecap || 'round'
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})
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// 计算点状加载容器样式
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const dotsContainerStyle = computed(() => {
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return {
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gap: typeof props.size === 'number' ? `${props.size / 6}px` : '6px'
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}
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})
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// 计算点状加载样式
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const dotStyle = computed(() => {
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const dotSize = typeof props.size === 'number' ? props.size / 5 : 8
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return {
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width: `${dotSize}px`,
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height: `${dotSize}px`,
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backgroundColor: props.color || '#1890ff'
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}
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})
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// 计算脉冲样式
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const pulseStyle = computed(() => {
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const pulseSize = typeof props.size === 'number' ? props.size : 40
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return {
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width: `${pulseSize}px`,
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height: `${pulseSize}px`,
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backgroundColor: props.color || '#1890ff'
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}
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})
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// 计算环形样式
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const ringStyle = computed(() => {
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const ringSize = typeof props.size === 'number' ? props.size : 40
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return {
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width: `${ringSize}px`,
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height: `${ringSize}px`
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}
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})
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// 计算环形内部圆样式
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const ringCircleStyle = computed(() => {
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const circleBorderWidth = props.strokeWidth || 3
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return {
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borderWidth: `${circleBorderWidth}px`,
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borderColor: `${props.color || '#1890ff'} transparent ${props.color || '#1890ff'} transparent`
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}
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})
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// 计算文本样式
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const textStyle = computed(() => {
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return {
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marginTop: typeof props.size === 'number' ? `${props.size / 4}px` : '10px',
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color: props.color || '#666'
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}
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})
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</script>
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<style scoped>
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/* 全屏容器样式 */
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.loading-container-fullscreen {
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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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display: flex;
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justify-content: center;
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align-items: center;
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z-index: 9999;
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}
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/* 内联容器样式 */
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.loading-container-inline {
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display: inline-flex;
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justify-content: center;
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align-items: center;
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}
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/* 旋转圆环样式 */
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.loading-spinner {
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display: flex;
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justify-content: center;
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align-items: center;
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}
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.loading-svg {
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animation: rotate 1.4s linear infinite;
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transform-origin: center center;
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}
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/* 确保SVG中的circle元素也正确居中 */
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.loading-svg circle {
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transform-origin: 25px 25px; /* 匹配circle的cx="25" cy="25" */
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}
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.loading-path {
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animation: dash 1.4s ease-in-out infinite;
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}
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/* 点状加载样式 */
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.loading-dots {
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.loading-dot {
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border-radius: 50%;
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animation: bounce 1.4s ease-in-out infinite;
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}
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/* 脉冲样式 */
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.loading-pulse {
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border-radius: 50%;
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animation: pulse 1.4s ease-in-out infinite;
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}
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/* 环形样式 */
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.loading-ring {
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display: flex;
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justify-content: center;
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align-items: center;
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}
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.loading-ring-circle {
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width: 100%;
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height: 100%;
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border-style: solid;
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border-radius: 50%;
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animation: spin 1.4s linear infinite;
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transform-origin: center center;
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}
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/* 加载文本样式 */
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.loading-text {
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font-size: 14px;
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text-align: center;
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white-space: nowrap;
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}
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/* 动画定义 */
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@keyframes rotate {
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100% {
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transform: rotate(360deg);
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}
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}
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@keyframes dash {
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0% {
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stroke-dashoffset: 94.2;
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}
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50% {
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stroke-dashoffset: 23.55;
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transform: rotate(45deg);
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}
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100% {
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stroke-dashoffset: 94.2;
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transform: rotate(360deg);
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}
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}
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@keyframes spin {
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0% {
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transform: rotate(0deg);
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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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@keyframes bounce {
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0%, 80%, 100% {
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transform: scale(0);
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opacity: 0.5;
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}
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40% {
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transform: scale(1);
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opacity: 1;
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}
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}
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@keyframes pulse {
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0% {
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transform: scale(0.3);
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opacity: 1;
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}
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100% {
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transform: scale(1);
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opacity: 0;
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}
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}
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@keyframes spin {
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0% {
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transform: rotate(0deg);
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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> |