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| <!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>SVG 身体部位选择器</title>
<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
padding: 20px;
color: #2c3e50;
}
.container {
max-width: 1200px;
width: 100%;
display: flex;
flex-direction: column;
align-items: center;
}
header {
text-align: center;
margin-bottom: 30px;
width: 100%;
}
h1 {
font-size: 2.5rem;
color: #3498db;
margin-bottom: 10px;
text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}
.description {
font-size: 1.1rem;
color: #7f8c8d;
max-width: 800px;
margin: 0 auto;
}
.content {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 30px;
width: 100%;
}
.svg-container {
background: white;
border-radius: 15px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
padding: 20px;
flex: 1;
min-width: 500px;
max-width: 700px;
overflow: auto;
}
.controls {
background: white;
border-radius: 15px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
padding: 20px;
flex: 1;
min-width: 300px;
max-width: 400px;
}
.controls h2 {
color: #3498db;
margin-bottom: 20px;
text-align: center;
}
.body-part-list {
list-style: none;
}
.body-part-item {
display: flex;
align-items: center;
padding: 12px 15px;
margin-bottom: 10px;
background: #f8f9fa;
border-radius: 8px;
cursor: pointer;
transition: all 0.3s ease;
}
.body-part-item:hover {
background: #e8f4fc;
transform: translateY(-2px);
}
.body-part-item.selected {
background: #d1edff;
border-left: 4px solid #3498db;
}
.color-indicator {
width: 20px;
height: 20px;
border-radius: 50%;
margin-right: 15px;
background: rgba(53, 254, 255, 0.4);
}
.instructions {
margin-top: 30px;
background: white;
border-radius: 15px;
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
padding: 20px;
width: 100%;
max-width: 800px;
}
.instructions h2 {
color: #3498db;
margin-bottom: 15px;
text-align: center;
}
.instructions ul {
padding-left: 20px;
}
.instructions li {
margin-bottom: 10px;
line-height: 1.5;
}
.highlight {
background: #fff8e1;
padding: 2px 5px;
border-radius: 4px;
font-family: monospace;
}
@media (max-width: 900px) {
.content {
flex-direction: column;
align-items: center;
}
.svg-container, .controls {
min-width: 100%;
}
}
</style>
</head>
<body>
<div id="app" class="container">
<header>
<h1>身体部位选择器</h1>
<p class="description">点击下方身体部位或右侧列表项可查看SVG层级关系。文本始终显示在路径上方。</p>
</header>
<div class="content">
<div class="svg-container">
<svg width="100%" height="500" viewBox="0 0 1000 600">
<!-- 使用g元素循环渲染身体部位 -->
<g v-for="item in bodyParts" :key="item.uuid">
<!-- 先绘制路径 -->
<path
:d="item.position"
:fill="item.checked ? 'rgba(53, 254, 255, 0.4)' : 'transparent'"
stroke="#3498db"
stroke-width="2"
@click="toggleSelection(item)"
class="body-path"
/>
<!-- 后绘制文本（文本将显示在路径上方） -->
<text
:x="item.x"
:y="item.y"
text-anchor="middle"
dominant-baseline="middle"
font-size="20"
:fill="item.checked ? '#2c3e50' : '#7f8c8d'"
font-weight="bold"
@click="toggleSelection(item)"
class="body-text"
>
{{ item.name }}
</text>
</g>
</svg>
</div>
<div class="controls">
<h2>身体部位列表</h2>
<ul class="body-part-list">
<li
v-for="item in bodyParts"
:key="item.uuid"
@click="toggleSelection(item)"
:class="['body-part-item', {selected: item.checked}]"
>
<div class="color-indicator" :style="{opacity: item.checked ? 1 : 0.2}"></div>
<span>{{ item.name }}</span>
</li>
</ul>
</div>
</div>
<div class="instructions">
<h2>实现原理说明</h2>
<ul>
<li>在SVG中，元素的绘制顺序决定了它们的层级关系 - 后绘制的元素会显示在先绘制的元素之上。</li>
<li>要让文本显示在路径上层，只需确保<strong class="highlight">文本元素在路径元素之后定义</strong>。</li>
<li>在此示例中，我们使用Vue的v-for指令循环渲染身体部位，每个部位组内先绘制路径再绘制文本。</li>
<li>点击身体部位或列表项可以切换选中状态，选中的部位会以半透明青色显示。</li>
</ul>
</div>
</div>
<script>
new Vue({
el: '#app',
data: {
bodyParts: [
{ name: '头部', uuid: '1', x: 500, y: 100, position: 'M450,100 C450,50 550,50 550,100 C550,150 450,150 450,100 Z', checked: false },
{ name: '躯干', uuid: '2', x: 500, y: 280, position: 'M450,180 L450,380 550,380 550,180 Z', checked: false },
{ name: '左臂', uuid: '3', x: 350, y: 280, position: 'M450,200 L350,200 300,380 400,380 Z', checked: false },
{ name: '右臂', uuid: '4', x: 650, y: 280, position: 'M550,200 L650,200 700,380 600,380 Z', checked: false },
{ name: '左腿', uuid: '5', x: 430, y: 480, position: 'M450,380 L430,380 420,580 450,580 Z', checked: false },
{ name: '右腿', uuid: '6', x: 570, y: 480, position: 'M550,380 L570,380 580,580 550,580 Z', checked: false }
]
},
methods: {
toggleSelection(item) {
item.checked = !item.checked;
}
}
});
</script>
</body>
</html>
|