HTML JavaScript 实现保存并锁定输入框功能
<!DOCTYPE html>
<html>
<head>
<title>保存并锁定输入框</title>
</head>
<body>
<label for='edit_openaikey'>OpenAI Key:</label>
<input id='edit_openaikey' placeholder='sk-xxxxxxxxxxxxxxxxxx'>
<button id='saveBtn'>保存</button>
<button id='unlockBtn' disabled>解除</button>
<script>
// 获取保存在本地缓存中的值，若存在则填充input，并锁定input
const openaikey = localStorage.getItem('openaikey');
if (openaikey) {
document.getElementById('edit_openaikey').value = openaikey;
document.getElementById('edit_openaikey').disabled = true;
document.getElementById('saveBtn').disabled = true;
document.getElementById('unlockBtn').disabled = false;
}
<pre><code> // 点击保存按钮，保存input的值到本地缓存中，并锁定input
document.getElementById('saveBtn').addEventListener('click', function() {
const value = document.getElementById('edit_openaikey').value;
localStorage.setItem('openaikey', value);
document.getElementById('edit_openaikey').disabled = true;
document.getElementById('saveBtn').disabled = true;
document.getElementById('unlockBtn').disabled = false;
});
// 点击解除按钮，解锁input
document.getElementById('unlockBtn').addEventListener('click', function() {
localStorage.removeItem('openaikey');
document.getElementById('edit_openaikey').disabled = false;
document.getElementById('edit_openaikey').value = '';
document.getElementById('saveBtn').disabled = false;
document.getElementById('unlockBtn').disabled = true;
});
</script>
</code></pre>
</body>
</html>
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