HTML5七夕情人节表白网页制作【canvas爱心绘制相册】HTML+CSS+JavaScript

以下是一个使用HTML、CSS和JavaScript创建的简单七夕情人节表白网页示例，其中包含一个Canvas绘制爱心和相册的简单功能。




<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>七夕情人节表白</title>
<style>
  body {
    margin: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f7f7f7;
  }
  canvas {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }
  #album {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
  }
  #album img {
    width: 100px;
    height: 100px;
    margin: 0 10px;
    opacity: 0.5;
    cursor: pointer;
  }
  #album img.active {
    opacity: 1;
  }
</style>
</head>
<body>
<canvas id="heartCanvas" width="400" height="400"></canvas>
<script>
  // 爱心绘制函数
  function drawHeart(ctx, x, y, scale) {
    ctx.save();
    ctx.translate(x, y);
    ctx.scale(scale, scale);
    var dx = 100, dy = 100, s = 1.5;
    ctx.beginPath();
    ctx.moveTo(-dx, -dy);
    ctx.bezierCurveTo(-dx, -dy - s * dy, -dx + s * dx, -dy, -dx + dx, -dy);
    ctx.bezierCurveTo(-dx + s * dx, -dy - s * dy, -dx, s * dx, -dx, dy);
    ctx.bezierCurveTo(-dx, s * dy + dx * tan(PI / 4), -dx - s * dx, dy, -dx - dx, dy);
    ctx.bezierCurveTo(-dx - s * dx, dy, -dx, dy - s * dy, -dx, dy - dx * tan(PI / 4));
    ctx.closePath();
    ctx.fillStyle = 'red';
    ctx.fill();
    ctx.restore();
  }
 
  // 绘制函数调用
  window.onload = function() {
    var canvas = document.getElementById('heartCanvas');
    var ctx = canvas.getContext('2d');
    setInterval(function() {
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      drawHeart(ctx, canvas.width / 2, canvas.height / 2, 1);
    }, 100);
  };
</script>
 
<!-- 相册图片展示 -->
<div id="album">
  <img src="photo1.jpg" alt="Photo 1" class="active">
  <img src="photo2.jpg" alt="Photo 2">
  <img src="photo3.jpg" alt="Photo 3">
  <!-- 更多图片可以添加在此处 -->
</div>
 
<script>
  // 相册图片点击事件
  document.querySelectorAll('#album img').forEach(img => {
    img.addEventListener('click', function() {
      document.querySelector('#album .active').classList.remove('active');
      this.classList.add('active');
    });
  });
</script>
</body>
</html>

在这个示例中，使用了HTML来定义结构，CSS来控制样式，以及

HTML5七夕情人节表白网页制作【canvas爱心绘制相册】HTML+CSS+JavaScript

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