<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial=-scale1.0"> <title>七彩小麦穗</title> <style> body { display: flex; justify-content: center; align-items: center; height: 100vh; background-color: #f5f5f5; margin: 0; } .wheat-spike { position: relative; height: 300px; width: 150px;
代码问题分析 1. 拼写错误：`content="width=device-width, initial=-scale1.0"` 存在拼写错误，正确的应该是 `content="width=device-width, initial-scale=1.0"`。 2. 代码结构优化：可以使用 JavaScript 动态生成麦芒，减少 HTML 中的重复代码，提高代码的可维护性。 3. 样式优化：可以添加一些动画效果，让小麦穗更加生动。 优化后的代码 ```html <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <!-- 修正拼写错误 --> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>七彩小麦穗</title> <style> body { display: flex; justify-content: center; align-items: center; height: 100vh; background-color: #f5f5f5; margin: 0; } .wheat-spike { position: relative; height: 300px; width: 150px; } .stem { position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); height: 200px; width: 10px; background: linear-gradient(to top, #8b4513, #a0522d); z-index: 1; } .spikelet { position: absolute; height: 15px; width: 80px; background: linear-gradient(to right, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3); border-radius: 10px; /* 添加动画效果 */ animation: sway 3s infinite alternate ease-in-out; } @keyframes sway { from { transform: rotate(-10deg); } to { transform: rotate(10deg); } } .ear { position: absolute; bottom: 150px; left: 50%; transform: translateX(-50%); } </style> </head> <body> <div class="wheat-spike"> <div class="stem"></div> <div class="ear" id="ear"></div> </div> <script> const ear = document.getElementById('ear'); const numSpikelets = 9; for (let i = 0; i < numSpikelets; i++) { const spikelet = document.createElement('div'); spikelet.classList.add('spikelet'); // 随机生成旋转角度 const rotation = Math.random() * 20 - 10; spikelet.style.bottom = `${i * 20}px`; spikelet.style.transform = `rotate(${rotation}deg)`; ear.appendChild(spikelet); } </script> </body> </html> ``` 额外注意的逻辑点 1. 动画兼容性：不同浏览器对 CSS 动画的支持可能存在差异，需要考虑添加浏览器前缀以确保在各种浏览器中都能正常显示。 2. 随机角度范围：在 JavaScript 中随机生成旋转角度时，要注意角度范围的合理性，避免麦芒旋转角度过大或过小影响视觉效果。 3. 性能问题：如果需要生成大量的麦芒，要考虑性能问题，避免因为大量的 DOM 操作导致页面卡顿。可以使用虚拟列表等技术进行优化。 [2025-06-07 22:05:58 | AI写代码神器 | 900点数解答]
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