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index.html
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index.html
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<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>二维码工具</title>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
<style>
body {
background-color: #f8f9fa;
}
.navbar {
background-color: #007bff;
margin-bottom: 2rem;
}
.navbar-brand, .nav-link {
color: white !important;
}
.btn-primary {
background-color: #007bff;
border-color: #007bff;
}
.btn-primary:hover {
background-color: #0056b3;
border-color: #0056b3;
}
#qrInput {
width: 100%;
height: 200px;
border: 2px dashed #007bff;
display: flex;
justify-content: center;
align-items: center;
cursor: text;
padding: 10px;
}
#qrInputText {
width: 100%;
height: 100%;
border: none;
outline: none;
resize: none;
font-size: 16px;
}
#qrResult {
margin-top: 20px;
}
.main-container {
/* 主要内容container的特定样式 */
max-width: 800px; /* 例如，限制主要内容的宽度 */
margin: 0 auto; /* 居中显示 */
}
.custom-alert {
position: fixed;
top: 20px;
left: 50%;
transform: translateX(-50%);
padding: 15px 20px;
background-color: #f8d7da;
color: #721c24;
border: 1px solid #f5c6cb;
border-radius: 4px;
z-index: 1000;
display: none;
}
</style>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/jsQR.min.js"></script>
</head>
<body>
<nav class="navbar navbar-expand-lg">
<div class="container nav-container"> <!-- 修改这里 -->
<a class="navbar-brand" href="#">二维码工具</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse justify-content-end" id="navbarNav"> <!-- 修改这里 -->
<ul class="navbar-nav">
<li class="nav-item">
<a class="nav-link" href="#">主页</a>
</li>
<li class="nav-item">
<a class="nav-link" href="changelog.html">更新日志</a>
</li>
<li class="nav-item">
<a class="nav-link" href="contact.html">联系我们</a>
</li>
</ul>
</div>
</div>
</nav>
<div class="container main-container"> <!-- 修改这里 -->
<div class="row">
<div class="col-md-12">
<div id="qrInput">
<textarea id="qrInputText" placeholder="请在此处粘贴二维码图片"></textarea>
</div>
</div>
</div>
<div class="row mt-3">
<div class="col-md-12">
<div id="qrResult" class="alert alert-info" role="alert">
二维码内容为
</div>
</div>
</div>
<div class="row mt-2">
<div class="col-md-12">
<button id="openUrlBtn" class="btn btn-primary me-2">在新页面打开链接</button>
<button id="copyResultBtn" class="btn btn-secondary">复制结果</button>
</div>
</div>
</div>
<div id="customAlert" class="custom-alert"></div>
<script>
const qrInputText = document.getElementById('qrInputText');
const qrResult = document.getElementById('qrResult');
const openUrlBtn = document.getElementById('openUrlBtn');
const copyResultBtn = document.getElementById('copyResultBtn');
let currentUrl = null;
qrInputText.addEventListener('paste', handlePaste);
function handlePaste(e) {
e.preventDefault();
const items = e.clipboardData.items;
for (let item of items) {
if (item.type.indexOf('image') !== -1) {
const blob = item.getAsFile();
const reader = new FileReader();
reader.onload = function(event) {
const img = new Image();
img.onload = function() {
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
canvas.width = img.width;
canvas.height = img.height;
context.drawImage(img, 0, 0, img.width, img.height);
const imageData = context.getImageData(0, 0, canvas.width, canvas.height);
const code = jsQR(imageData.data, imageData.width, imageData.height);
if (code) {
qrResult.textContent = `${code.data}`;
qrResult.className = 'alert alert-success';
if (isValidURL(code.data)) {
currentUrl = code.data;
} else {
currentUrl = null;
}
} else {
qrResult.textContent = '未能识别二维码，请确保粘贴的是二维码图片。';
qrResult.className = 'alert alert-danger';
currentUrl = null;
}
};
img.src = event.target.result;
};
reader.readAsDataURL(blob);
break;
}
}
}
openUrlBtn.onclick = function() {
if (currentUrl) {
window.open(currentUrl, '_blank');
} else {
showCustomAlert('当前内容不是有效的URL或未识别到二维码。');
}
};
copyResultBtn.onclick = function() {
const resultText = qrResult.textContent;
if (resultText && resultText !== '请粘贴二维码图片') {
navigator.clipboard.writeText(resultText).then(() => {
showCustomAlert('结果已复制到剪贴板');
}).catch(err => {
console.error('复制失败:', err);
showCustomAlert('复制失败，请手动复制');
});
} else {
showCustomAlert('没有可复制的结果');
}
};
function showCustomAlert(message) {
const alertElement = document.getElementById('customAlert');
alertElement.textContent = message;
alertElement.style.display = 'block';
setTimeout(() => {
alertElement.style.display = 'none';
}, 1000);
}
function isValidURL(string) {
try {
new URL(string);
return true;
} catch (_) {
return false;
}
}
</script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>