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<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8" />
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1.0"
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/>
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<title>网络日志Header提取工具</title>
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<script src="https://cdn.jsdelivr.net/npm/tesseract.js@4/dist/tesseract.min.js"></script>
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<style>
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body {
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font-family: Arial, sans-serif;
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max-width: 800px;
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margin: 0 auto;
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padding: 20px;
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line-height: 1.6;
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}
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h1 {
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color: #333;
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text-align: center;
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}
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.container {
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display: flex;
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flex-direction: column;
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gap: 20px;
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}
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.upload-section {
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border: 2px dashed #ccc;
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padding: 20px;
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text-align: center;
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border-radius: 5px;
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background-color: #f9f9f9;
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}
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.upload-section:hover {
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border-color: #aaa;
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}
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#imagePreview {
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max-width: 100%;
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margin-top: 10px;
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display: none;
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}
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.result-section {
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margin-top: 20px;
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}
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.header-item {
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display: flex;
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align-items: center;
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margin-bottom: 10px;
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padding: 10px;
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background-color: #f0f0f0;
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border-radius: 5px;
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}
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.header-label {
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font-weight: bold;
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min-width: 180px;
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}
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.header-value {
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flex-grow: 1;
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word-break: break-all;
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padding: 0 10px;
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}
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.copy-btn {
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background-color: #4caf50;
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color: white;
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border: none;
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padding: 8px 12px;
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border-radius: 4px;
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cursor: pointer;
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transition: background-color 0.3s;
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}
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.copy-btn:hover {
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background-color: #45a049;
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}
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.progress {
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margin-top: 10px;
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height: 20px;
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background-color: #e0e0e0;
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border-radius: 4px;
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overflow: hidden;
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display: none;
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}
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.progress-bar {
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height: 100%;
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background-color: #4caf50;
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width: 0%;
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transition: width 0.3s;
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}
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#statusText {
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margin-top: 5px;
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font-size: 14px;
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color: #666;
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}
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.instructions {
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background-color: #e7f3fe;
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border-left: 6px solid #2196f3;
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padding: 10px 15px;
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margin-bottom: 20px;
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}
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</style>
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</head>
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<body>
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<h1>网络日志Header提取工具</h1>
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<div class="container">
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<div class="instructions">
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<h3>使用说明：</h3>
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<p>1. 上传包含网络请求日志的图片（截图或照片）</p>
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<p>2. 系统将自动识别图片中的文本</p>
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<p>3. 从识别结果中提取以下Header值：</p>
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<ul>
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<li>bkatimestamp</li>
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<li>bkatimestamptoke</li>
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<li>brcpEaSessionTicket</li>
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<li>brcpEaDeviceId</li>
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</ul>
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<p>4. 点击复制按钮可以复制对应的值</p>
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</div>
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<div
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class="upload-section"
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id="dropArea"
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>
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<p>拖放图片到这里，或点击选择图片</p>
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<input
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type="file"
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id="fileInput"
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accept="image/*"
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style="display: none"
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/>
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<button onclick="document.getElementById('fileInput').click()">选择图片</button>
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<img
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id="imagePreview"
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alt="预览图"
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/>
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</div>
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<div
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class="progress"
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id="progressBar"
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>
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<div
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class="progress-bar"
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id="progressBarInner"
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></div>
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</div>
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<div id="statusText"></div>
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<div
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class="result-section"
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id="resultSection"
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style="display: none"
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>
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<h2>提取结果</h2>
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<div id="headerResults"></div>
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</div>
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</div>
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<script>
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//保证页面先加载完毕再执行下面代码
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window.onload = function () {
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// 全局变量
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let imageFile = null;
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// DOM元素
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const fileInput = document.getElementById('fileInput');
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const dropArea = document.getElementById('dropArea');
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const imagePreview = document.getElementById('imagePreview');
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const progressBar = document.getElementById('progressBar');
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const progressBarInner = document.getElementById('progressBarInner');
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const statusText = document.getElementById('statusText');
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const resultSection = document.getElementById('resultSection');
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const headerResults = document.getElementById('headerResults');
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// 事件监听器
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fileInput.addEventListener('change', handleFileSelect);
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dropArea.addEventListener('dragover', handleDragOver);
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dropArea.addEventListener('drop', handleDrop);
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// 处理文件选择
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function handleFileSelect(e) {
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const file = e.target.files[0];
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if (file && file.type.match('image.*')) {
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processImageFile(file);
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}
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}
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// 处理拖放
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function handleDragOver(e) {
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e.preventDefault();
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e.stopPropagation();
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dropArea.style.borderColor = '#4CAF50';
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}
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function handleDrop(e) {
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e.preventDefault();
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e.stopPropagation();
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dropArea.style.borderColor = '#ccc';
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const file = e.dataTransfer.files[0];
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if (file && file.type.match('image.*')) {
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processImageFile(file);
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}
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}
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// 处理图片文件
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function processImageFile(file) {
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imageFile = file;
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// 显示预览
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const reader = new FileReader();
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reader.onload = function (e) {
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imagePreview.src = e.target.result;
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imagePreview.style.display = 'block';
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};
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reader.readAsDataURL(file);
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// 开始OCR处理
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performOCR(file);
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}
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// 执行OCR识别
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function performOCR(imageFile) {
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progressBar.style.display = 'block';
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statusText.textContent = '正在识别图片中的文本...';
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Tesseract.recognize(
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imageFile,
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'eng+chi_sim', // 使用英文和简体中文识别
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{
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logger: (m) => updateProgress(m),
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}
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)
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.then(({ data: { text } }) => {
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statusText.textContent = '识别完成，正在提取Header信息...';
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extractHeaders(text);
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})
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.catch((err) => {
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console.error(err);
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statusText.textContent = '识别过程中出错: ' + err.message;
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});
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}
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// 更新进度
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function updateProgress(message) {
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if (message.status === 'recognizing text') {
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progressBarInner.style.width = `${message.progress * 100}%`;
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}
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if (message.status) {
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statusText.textContent = `状态: ${message.status}`;
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}
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}
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// 从文本中提取header信息
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function extractHeaders(text) {
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console.log('提取Header信息: ', text);
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// 定义要提取的header键
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const headerKeys = ['bkatimestamp', 'bkatimestamptoke', 'brcpEaSessionTicket', 'brcpEaDeviceId'];
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// 初始化结果对象
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const results = {};
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headerKeys.forEach((key) => {
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results[key] = '';
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});
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// 尝试从文本中提取每个header
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headerKeys.forEach((key) => {
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// 构造正则表达式，匹配header键和值
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// 考虑到日志可能有多种格式，使用更灵活的正则
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const regex = new RegExp(`${key}[\\s:=]+([^\\s\\n]+)`, 'i');
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debugger;
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const match = text.match(regex);
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if (match && match[1]) {
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results[key] = match[1].replace(/[",;]/g, ''); // 清理常见干扰字符
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}
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});
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// 显示结果
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displayResults(results);
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}
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// 显示提取结果
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function displayResults(results) {
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headerResults.innerHTML = '';
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for (const [key, value] of Object.entries(results)) {
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const itemDiv = document.createElement('div');
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itemDiv.className = 'header-item';
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const labelSpan = document.createElement('span');
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labelSpan.className = 'header-label';
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labelSpan.textContent = key;
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const valueSpan = document.createElement('span');
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valueSpan.className = 'header-value';
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valueSpan.textContent = value || '未找到';
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const copyBtn = document.createElement('button');
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copyBtn.className = 'copy-btn';
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copyBtn.textContent = '复制';
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copyBtn.onclick = () => {
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if (value) {
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navigator.clipboard.writeText(value).then(() => {
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copyBtn.textContent = '已复制!';
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setTimeout(() => {
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copyBtn.textContent = '复制';
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}, 2000);
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});
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}
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};
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itemDiv.appendChild(labelSpan);
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itemDiv.appendChild(valueSpan);
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itemDiv.appendChild(copyBtn);
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headerResults.appendChild(itemDiv);
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}
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resultSection.style.display = 'block';
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statusText.textContent = '提取完成！';
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}
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};
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</script>
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</body>
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</html>
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