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<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>灵感知识图谱测试</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
background: linear-gradient(135deg, #faf5ff 0%, #fce7f3 50%, #ffffff 100%);
min-height: 100vh;
display: flex;
flex-direction: column;
align-items: center;
padding: 20px;
}
h1 {
color: #7c3aed;
margin-bottom: 10px;
font-size: 28px;
font-weight: 600;
}
.subtitle {
color: #94a3b8;
margin-bottom: 30px;
font-size: 14px;
}
.container {
width: 100%;
max-width: 1200px;
background: rgba(255, 255, 255, 0.6);
backdrop-filter: blur(10px);
border-radius: 24px;
padding: 30px;
box-shadow: 0 20px 60px rgba(124, 58, 237, 0.1);
}
canvas {
width: 100%;
height: 600px;
border-radius: 16px;
background: white;
cursor: grab;
}
canvas:active {
cursor: grabbing;
}
.legend {
position: absolute;
top: 20px;
left: 20px;
background: rgba(255, 255, 255, 0.9);
backdrop-filter: blur(10px);
padding: 16px;
border-radius: 12px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.legend h3 {
font-size: 14px;
color: #334155;
margin-bottom: 12px;
font-weight: 600;
}
.legend-item {
display: flex;
align-items: center;
gap: 8px;
margin-bottom: 8px;
font-size: 12px;
color: #64748b;
}
.legend-dot {
width: 16px;
height: 16px;
border-radius: 50%;
}
.legend-line {
width: 32px;
height: 2px;
}
.info {
position: absolute;
bottom: 20px;
left: 20px;
background: rgba(255, 255, 255, 0.9);
backdrop-filter: blur(10px);
padding: 12px 16px;
border-radius: 12px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
font-size: 12px;
color: #94a3b8;
}
.detail-panel {
position: absolute;
top: 20px;
right: 20px;
width: 300px;
background: rgba(255, 255, 255, 0.95);
backdrop-filter: blur(10px);
padding: 20px;
border-radius: 16px;
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
display: none;
}
.detail-panel.show {
display: block;
animation: slideIn 0.3s ease-out;
}
@keyframes slideIn {
from {
opacity: 0;
transform: translateX(20px);
}
to {
opacity: 1;
transform: translateX(0);
}
}
.detail-title {
font-size: 16px;
font-weight: 600;
color: #334155;
margin-bottom: 12px;
}
.detail-content {
font-size: 14px;
color: #64748b;
line-height: 1.6;
margin-bottom: 12px;
}
.detail-tags {
display: flex;
flex-wrap: wrap;
gap: 6px;
}
.tag {
padding: 4px 12px;
background: #ede9fe;
color: #7c3aed;
border-radius: 12px;
font-size: 11px;
}
</style>
</head>
<body>
<h1>🌟 灵感知识图谱</h1>
<p class="subtitle">Inspiration Knowledge Graph</p>
<div class="container" style="position: relative;">
<canvas id="graph"></canvas>
<div class="legend">
<h3>图例</h3>
<div class="legend-item">
<div class="legend-dot" style="background: #c084fc;"></div>
<span>灵感节点</span>
</div>
<div class="legend-item">
<div class="legend-dot" style="background: #cbd5e1;"></div>
<span>标签节点</span>
</div>
<div class="legend-item">
<div class="legend-line" style="background: rgba(147, 51, 234, 0.2);"></div>
<span>关联关系</span>
</div>
</div>
<div class="info">
💡 悬停查看内容 · 点击查看详情 · 拖拽移动视图
</div>
<div class="detail-panel" id="detailPanel">
<div class="detail-title" id="detailTitle"></div>
<div class="detail-content" id="detailContent"></div>
<div class="detail-tags" id="detailTags"></div>
</div>
</div>
<script>
// 模拟灵感数据
const inspirations = [
{ id: '1', content: '如果云朵只是地球在做梦呢？', tags: ['随想', '自然'], createdAt: Date.now() },
{ id: '2', content: '设计概念：一个不显示数字的时钟，只用颜色代表一天的能量。', tags: ['设计', '创意'], createdAt: Date.now() },
{ id: '3', content: '旧书和咖啡的香气。', tags: ['生活'], createdAt: Date.now() },
{ id: '4', content: '记得在接电话前深呼吸。', tags: ['提醒', '生活'], createdAt: Date.now() },
{ id: '5', content: '今天的日落特别粉。', tags: ['自然', '生活'], createdAt: Date.now() },
{ id: '6', content: '学会在困难中保持积极。', tags: ['成长', '学习'], createdAt: Date.now() },
{ id: '7', content: '珍惜身边的朋友。', tags: ['友情', '生活'], createdAt: Date.now() },
{ id: '8', content: '保持积极心态面对压力。', tags: ['成长', '工作'], createdAt: Date.now() },
];
// 标签颜色 - 梦幻糖果色主题
const tagColors = {
'随想': '#E9D5FF', // 淡紫罗兰
'自然': '#BBF7D0', // 薄荷绿
'设计': '#FBCFE8', // 樱花粉
'创意': '#FED7AA', // 蜜桃橙
'生活': '#BFDBFE', // 天空蓝
'提醒': '#FEF08A', // 柠檬黄
'工作': '#DDD6FE', // 薰衣草紫
'学习': '#E0E7FF', // 雾霾蓝
'友情': '#FECDD3', // 玫瑰粉
'成长': '#D9F99D', // 青柠绿
};
// 初始化画布
const canvas = document.getElementById('graph');
const ctx = canvas.getContext('2d');
const dpr = window.devicePixelRatio || 1;
function resizeCanvas() {
const rect = canvas.getBoundingClientRect();
canvas.width = rect.width * dpr;
canvas.height = rect.height * dpr;
ctx.scale(dpr, dpr);
}
resizeCanvas();
window.addEventListener('resize', resizeCanvas);
const width = canvas.width / dpr;
const height = canvas.height / dpr;
// 创建节点和连接
const nodes = [];
const links = [];
// 收集所有标签
const allTags = new Set();
inspirations.forEach(item => {
item.tags.forEach(tag => allTags.add(tag));
});
const tagArray = Array.from(allTags);
// 创建标签节点（内圈）
tagArray.forEach((tag, index) => {
const angle = (index / tagArray.length) * Math.PI * 2;
const radius = Math.min(width, height) * 0.15;
nodes.push({
id: `tag-${tag}`,
label: tag,
type: 'tag',
x: width / 2 + Math.cos(angle) * radius,
y: height / 2 + Math.sin(angle) * radius,
vx: 0,
vy: 0,
radius: 25, // 从 35 减小到 25
color: tagColors[tag] || '#E2E8F0',
});
});
// 创建灵感节点（外圈，更分散）
inspirations.forEach((item, index) => {
const angle = (index / inspirations.length) * Math.PI * 2 + Math.random() * 0.3;
const radius = Math.min(width, height) * 0.35 + Math.random() * 50;
nodes.push({
id: item.id,
label: item.content.substring(0, 8) + '...',
type: 'inspiration',
x: width / 2 + Math.cos(angle) * radius,
y: height / 2 + Math.sin(angle) * radius,
vx: (Math.random() - 0.5) * 2,
vy: (Math.random() - 0.5) * 2,
radius: 18, // 从 25 减小到 18
color: '#C084FC', // 梦幻紫色
data: item,
});
// 连接到标签
item.tags.forEach(tag => {
links.push({
source: item.id,
target: `tag-${tag}`,
strength: 0.8,
});
});
});
// 计算相似度并创建连接
for (let i = 0; i < inspirations.length; i++) {
for (let j = i + 1; j < inspirations.length; j++) {
const tags1 = new Set(inspirations[i].tags);
const tags2 = new Set(inspirations[j].tags);
const intersection = new Set([...tags1].filter(x => tags2.has(x)));
const union = new Set([...tags1, ...tags2]);
const similarity = union.size > 0 ? intersection.size / union.size : 0;
if (similarity > 0.4) {
links.push({
source: inspirations[i].id,
target: inspirations[j].id,
strength: similarity * 0.5,
});
}
}
}
let selectedNode = null;
let hoveredNode = null;
// 力导向模拟
function simulate() {
ctx.clearRect(0, 0, width, height);
const alpha = 0.2;
const centerForce = 0.005;
const repelForce = 2000;
const linkForce = 0.05;
// 中心引力（仅标签）
nodes.forEach(node => {
if (node.type === 'tag') {
const dx = width / 2 - node.x;
const dy = height / 2 - node.y;
node.vx += dx * centerForce;
node.vy += dy * centerForce;
}
});
// 节点斥力（强力防重叠）
for (let i = 0; i < nodes.length; i++) {
for (let j = i + 1; j < nodes.length; j++) {
const dx = nodes[j].x - nodes[i].x;
const dy = nodes[j].y - nodes[i].y;
const distance = Math.sqrt(dx * dx + dy * dy) || 1;
const minDistance = nodes[i].radius + nodes[j].radius + 40;
if (distance < minDistance) {
const force = repelForce / (distance * distance) * 2;
const fx = (dx / distance) * force;
const fy = (dy / distance) * force;
nodes[i].vx -= fx;
nodes[i].vy -= fy;
nodes[j].vx += fx;
nodes[j].vy += fy;
} else {
const force = repelForce / (distance * distance);
const fx = (dx / distance) * force;
const fy = (dy / distance) * force;
nodes[i].vx -= fx;
nodes[i].vy -= fy;
nodes[j].vx += fx;
nodes[j].vy += fy;
}
}
}
// 连接引力
links.forEach(link => {
const source = nodes.find(n => n.id === link.source);
const target = nodes.find(n => n.id === link.target);
if (source && target) {
const dx = target.x - source.x;
const dy = target.y - source.y;
const distance = Math.sqrt(dx * dx + dy * dy) || 1;
const idealDistance = 150;
const force = (distance - idealDistance) * linkForce * link.strength;
const fx = (dx / distance) * force;
const fy = (dy / distance) * force;
source.vx += fx;
source.vy += fy;
target.vx -= fx;
target.vy -= fy;
}
});
// 更新位置
nodes.forEach(node => {
node.x += node.vx * alpha;
node.y += node.vy * alpha;
node.vx *= 0.85;
node.vy *= 0.85;
const margin = node.radius + 20;
node.x = Math.max(margin, Math.min(width - margin, node.x));
node.y = Math.max(margin, Math.min(height - margin, node.y));
});
// 绘制连接
links.forEach(link => {
const source = nodes.find(n => n.id === link.source);
const target = nodes.find(n => n.id === link.target);
if (source && target) {
ctx.beginPath();
ctx.moveTo(source.x, source.y);
ctx.lineTo(target.x, target.y);
if (source.type === 'inspiration' && target.type === 'inspiration') {
ctx.setLineDash([5, 5]);
ctx.strokeStyle = 'rgba(219, 39, 119, 0.15)'; // 粉色虚线
ctx.lineWidth = 1;
} else {
ctx.setLineDash([]);
ctx.strokeStyle = 'rgba(192, 132, 252, 0.25)'; // 紫色实线
ctx.lineWidth = 1.5;
}
ctx.globalAlpha = link.strength * 0.4;
ctx.stroke();
ctx.globalAlpha = 1;
ctx.setLineDash([]);
}
});
// 绘制节点
nodes.forEach(node => {
const isSelected = selectedNode === node.id;
const isHovered = hoveredNode === node.id;
if (isSelected || isHovered) {
ctx.save();
ctx.shadowColor = node.type === 'tag' ? 'rgba(100, 116, 139, 0.4)' : 'rgba(167, 139, 250, 0.6)';
ctx.shadowBlur = 25;
ctx.fillStyle = node.color;
ctx.beginPath();
ctx.arc(node.x, node.y, node.radius + 8, 0, Math.PI * 2);
ctx.fill();
ctx.restore();
}
// 渐变效果
const gradient = ctx.createRadialGradient(
node.x - node.radius * 0.3,
node.y - node.radius * 0.3,
0,
node.x,
node.y,
node.radius
);
if (node.type === 'tag') {
gradient.addColorStop(0, 'rgba(255, 255, 255, 0.8)');
gradient.addColorStop(1, node.color);
} else {
gradient.addColorStop(0, 'rgba(255, 255, 255, 0.4)');
gradient.addColorStop(1, node.color);
}
ctx.fillStyle = gradient;
ctx.beginPath();
ctx.arc(node.x, node.y, node.radius, 0, Math.PI * 2);
ctx.fill();
ctx.strokeStyle = isSelected ? '#7C3AED' : isHovered ? '#A78BFA' : 'rgba(255, 255, 255, 0.9)';
ctx.lineWidth = isSelected ? 3 : isHovered ? 2.5 : 2;
ctx.stroke();
// 文字（仅在悬停或选中时显示完整内容）
if (isHovered || isSelected) {
const fullLabel = node.type === 'tag' ? node.label : (node.data?.content.substring(0, 20) + '...' || node.label);
ctx.save();
ctx.font = `${node.type === 'tag' ? 'bold 12' : '11'}px sans-serif`;
const textWidth = ctx.measureText(fullLabel).width;
const padding = 8;
const bgWidth = textWidth + padding * 2;
const bgHeight = 24;
const bgX = node.x - bgWidth / 2;
const bgY = node.y + node.radius + 10;
ctx.fillStyle = 'rgba(255, 255, 255, 0.95)';
ctx.shadowColor = 'rgba(0, 0, 0, 0.1)';
ctx.shadowBlur = 8;
ctx.beginPath();
ctx.roundRect(bgX, bgY, bgWidth, bgHeight, 12);
ctx.fill();
ctx.shadowBlur = 0;
ctx.fillStyle = node.type === 'tag' ? '#1e293b' : '#7c3aed';
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
ctx.fillText(fullLabel, node.x, bgY + bgHeight / 2);
ctx.restore();
} else {
if (node.type === 'tag') {
ctx.fillStyle = '#1e293b';
ctx.font = 'bold 11px sans-serif';
ctx.textAlign = 'center';
ctx.textBaseline = 'middle';
ctx.shadowColor = 'rgba(0, 0, 0, 0.2)';
ctx.shadowBlur = 3;
ctx.fillText(node.label, node.x, node.y);
ctx.shadowBlur = 0;
}
}
});
requestAnimationFrame(simulate);
}
simulate();
// 点击事件
canvas.addEventListener('click', (e) => {
const rect = canvas.getBoundingClientRect();
const x = (e.clientX - rect.left);
const y = (e.clientY - rect.top);
const clickedNode = nodes.find(node => {
const dx = x - node.x;
const dy = y - node.y;
return Math.sqrt(dx * dx + dy * dy) <= node.radius;
});
if (clickedNode) {
selectedNode = clickedNode.id;
const panel = document.getElementById('detailPanel');
const title = document.getElementById('detailTitle');
const content = document.getElementById('detailContent');
const tags = document.getElementById('detailTags');
if (clickedNode.type === 'inspiration' && clickedNode.data) {
title.textContent = '灵感详情';
content.textContent = clickedNode.data.content;
tags.innerHTML = clickedNode.data.tags.map(tag =>
`<span class="tag">${tag}</span>`
).join('');
panel.classList.add('show');
} else if (clickedNode.type === 'tag') {
title.textContent = `标签: ${clickedNode.label}`;
const relatedInspirations = inspirations.filter(item =>
item.tags.includes(clickedNode.label)
);
content.textContent = `包含 ${relatedInspirations.length} 条相关灵感`;
tags.innerHTML = '';
panel.classList.add('show');
}
} else {
selectedNode = null;
document.getElementById('detailPanel').classList.remove('show');
}
});
// 鼠标悬停
canvas.addEventListener('mousemove', (e) => {
const rect = canvas.getBoundingClientRect();
const x = (e.clientX - rect.left);
const y = (e.clientY - rect.top);
const hoveredNodeFound = nodes.find(node => {
const dx = x - node.x;
const dy = y - node.y;
return Math.sqrt(dx * dx + dy * dy) <= node.radius;
});
hoveredNode = hoveredNodeFound ? hoveredNodeFound.id : null;
canvas.style.cursor = hoveredNodeFound ? 'pointer' : 'grab';
});
</script>
</body>
</html>
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