<script lang="tsx" setup>
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import { ref, watch, onMounted, computed } from 'vue'
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import { customMergeColor } from '@/custom-component/de-decoration/component_details/config'
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import { cloneDeep } from 'lodash-es'
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interface Props {
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color?: string[]
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backgroundColor?: string
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curStyle: { width: number; height: number }
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scale: number
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duration?: number
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}
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const props = withDefaults(defineProps<Props>(), {
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color: () => [],
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backgroundColor: 'transparent',
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curStyle: () => ({
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width: 320,
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height: 240
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}),
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duration: 3
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})
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const width = computed(() => props.curStyle.width)
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const height = computed(() => props.curStyle.height)
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const dur = computed(() => props.duration)
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const defaultColor = ref(['#2862b7', '#2862b7'])
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const mergedColor = ref<string[]>([])
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// 生成唯一ID
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const generateId = () => Math.random().toString(36).substring(2, 11)
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const pathId = `path-${generateId()}`
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const gradientId = `gradient-${generateId()}`
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const maskId = `mask-${generateId()}`
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const mergeColor = () => {
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mergedColor.value = customMergeColor(cloneDeep(defaultColor.value), props.color)
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}
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const pathD = computed(() => {
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return `M2.5,2.5 L${width.value - 2.5},2.5 L${width.value - 2.5},${height.value - 2.5} L2.5,${
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height.value - 2.5
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} L2.5,2.5`
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})
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const border_style = computed(() => {
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return {
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width: `${width.value}px`,
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height: `${height.value}px`,
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transform: `scale(${props.scale})`,
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'transform-origin': '0 0',
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'will-change': 'transform' // 提示浏览器优化变换
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}
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})
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// 使用立即执行的watch
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watch(() => props.color, mergeColor, { immediate: true })
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onMounted(mergeColor)
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</script>
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<template>
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<div class="dv-border-box-8" :style="border_style" ref="dv-border-box-8">
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<svg class="dv-border-svg-container" :width="width" :height="height">
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<defs>
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<!-- 优化路径定义 -->
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<path :id="pathId" :d="pathD" fill="none" />
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<!-- 优化渐变定义 -->
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<radialGradient :id="gradientId" cx="50%" cy="50%" r="50%">
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<stop offset="0%" :stop-color="mergedColor[1]" stop-opacity="0.8" />
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<stop offset="100%" :stop-color="mergedColor[1]" stop-opacity="0" />
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</radialGradient>
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<!-- 优化遮罩定义 -->
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<mask :id="maskId">
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<circle cx="0" cy="0" r="120" :fill="`url(#${gradientId})`">
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<animateMotion
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:dur="`${dur}s`"
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:path="pathD"
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rotate="auto"
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repeatCount="indefinite"
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calcMode="linear"
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/>
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</circle>
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</mask>
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</defs>
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<!-- 背景多边形 -->
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<polygon
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:fill="backgroundColor"
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:points="`5,5 ${width - 5},5 ${width - 5} ${height - 5} 5,${height - 5}`"
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/>
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<!-- 静态边框 -->
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<use :stroke="mergedColor[0]" stroke-width="1" :href="`#${pathId}`" stroke-linecap="round" />
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<!-- 动态发光边框 -->
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<use
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:stroke="mergedColor[1]"
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stroke-width="3"
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:href="`#${pathId}`"
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:mask="`url(#${maskId})`"
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stroke-linecap="round"
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>
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<animate
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attributeName="stroke-dasharray"
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:values="`0,${length};${length},0`"
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:dur="`${dur}s`"
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repeatCount="indefinite"
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calcMode="linear"
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/>
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</use>
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</svg>
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<div class="border-box-content">
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<slot></slot>
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</div>
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</div>
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</template>
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<style lang="less">
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.dv-border-box-8 {
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position: relative;
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width: 100%;
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height: 100%;
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/* 启用硬件加速 */
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transform: translateZ(0);
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backface-visibility: hidden;
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contain: content; /* 限制重绘范围 */
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overflow: hidden;
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.dv-border-svg-container {
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position: absolute;
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width: 100%;
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height: 100%;
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top: 0;
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left: 0;
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/* 优化SVG渲染 */
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shape-rendering: optimizeSpeed;
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pointer-events: none; /* 禁用鼠标事件 */
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& > polygon {
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vector-effect: non-scaling-stroke;
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}
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}
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.border-box-content {
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position: relative;
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width: 100%;
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height: 100%;
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isolation: isolate; /* 创建新的层叠上下文 */
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z-index: 1;
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}
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}
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</style>
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