HTML5虚拟键盘制作教程与实战技巧

<div class="virtual-keyboard">
  <div class="keyboard-row">
    <button class="key">q</button>
    <button class="key">w</button>
    <button class="key">e</button>
    <button class="key">r</button>
    <button class="key">t</button>
    <button class="key">y</button>
    <button class="key">u</button>
    <button class="key">i</button>
    <button class="key">o</button>
    <button class="key">p</button>
  </div>
  <div class="keyboard-row">
    <button class="key">a</button>
    <button class="key">s</button>
    <button class="key">d</button>
    <button class="key">f</button>
    <button class="key">g</button>
    <button class="key">h</button>
    <button class="key">j</button>
    <button class="key">k</button>
    <button class="key">l</button>
  </div>
  <div class="keyboard-row">
    <button class="key shift">Shift</button>
    <button class="key">z</button>
    <button class="key">x</button>
    <button class="key">c</button>
    <button class="key">v</button>
    <button class="key">b</button>
    <button class="key">n</button>
    <button class="key">m</button>
    <button class="key backspace">⌫</button>
  </div>
  <div class="keyboard-row">
    <button class="key space">Space</button>
    <button class="key enter">Enter</button>
  </div>
</div>

.virtual-keyboard {
  width: 80%;
  max-width: 500px;
  margin: 20px auto;
  padding: 10px;
  background-color: #f0f0f0;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  font-family: Arial, sans-serif;
}
<p>.keyboard-row {
display: flex;
justify-content: center;
margin: 5px 0;
}</p><p>.key {
width: calc(100% / 10 - 8px);
height: 50px;
margin: 4px;
background-color: #fff;
border: 1px solid #ccc;
border-radius: 6px;
font-size: 18px;
cursor: pointer;
transition: all 0.2s;
}</p><p>.key:hover {
background-color: #e0e0e0;
}</p><p>.key:active {
background-color: #ccc;
transform: translateY(2px);
}</p><p>.shift, .backspace, .enter {
width: 80px;
}</p><p>.space {
width: 200px;
}</p><p>.backspace::after {
content: "Backspace";
font-size: 10px;
position: absolute;
bottom: 2px;
right: 4px;
color: #666;
}</p>

document.querySelectorAll('.key').forEach(key => {
  key.addEventListener('click', () => {
    const keyValue = key.textContent;
<pre class="brush:php;toolbar:false;">if (keyValue === 'Enter') {
  console.log('输入换行');
} else if (keyValue === '⌫') {
  // 模拟退格
} else if (keyValue === 'Space') {
  document.getElementById('input-field').value += ' ';
} else {
  document.getElementById('input-field').value += keyValue;
}

}); });

@media (max-width: 480px) {
  .key {
    height: 40px;
    font-size: 16px;
  }
  .shift, .backspace, .enter { width: 60px; }
  .space { width: 140px; }
}