Add a visual control panel for the crawler, supporting customization of topics and parameter configuration.
This commit is contained in:
戒酒的李白
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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 name="viewport" content="width=device-width, initial-scale=1.0">
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<title>爬虫控制面板</title>
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<link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.0.2/css/bootstrap.min.css" rel="stylesheet">
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<link href="https://cdn.bootcdn.net/ajax/libs/font-awesome/5.15.4/css/all.min.css" rel="stylesheet">
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<style>
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.topic-item {
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margin: 5px;
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padding: 8px 15px;
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border-radius: 20px;
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background-color: #f8f9fa;
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display: inline-block;
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cursor: pointer;
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}
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.topic-item.selected {
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background-color: #0d6efd;
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color: white;
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}
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.custom-topic-input {
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margin: 10px 0;
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}
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.parameter-section {
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margin: 20px 0;
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padding: 20px;
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border-radius: 10px;
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background-color: #f8f9fa;
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}
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</style>
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</head>
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<body>
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<div class="container mt-5">
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<h2 class="mb-4">爬虫控制面板</h2>
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<!-- 话题选择区域 -->
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<div class="card mb-4">
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<div class="card-header">
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<h5 class="mb-0">选择话题类型</h5>
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</div>
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<div class="card-body">
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<div id="predefinedTopics" class="mb-3">
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<!-- 预定义话题将通过JavaScript动态加载 -->
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</div>
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<div class="custom-topic-input">
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<h6>添加自定义话题</h6>
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<div class="input-group">
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<input type="text" class="form-control" id="customTopic" placeholder="输入自定义话题">
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<button class="btn btn-primary" onclick="addCustomTopic()">
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<i class="fas fa-plus"></i> 添加
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</button>
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</div>
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</div>
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<div id="selectedTopics" class="mt-3">
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<h6>已选择的话题：</h6>
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<div id="selectedTopicsList" class="mt-2">
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<!-- 已选择的话题将在这里显示 -->
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</div>
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</div>
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</div>
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</div>
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<!-- 爬虫参数配置 -->
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<div class="card mb-4">
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<div class="card-header">
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<h5 class="mb-0">爬虫参数配置</h5>
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</div>
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<div class="card-body">
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<div class="row">
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<div class="col-md-6">
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<div class="mb-3">
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<label for="crawlDepth" class="form-label">爬取深度</label>
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<input type="number" class="form-control" id="crawlDepth" value="3" min="1" max="10">
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<small class="text-muted">每个话题爬取的页数（1-10）</small>
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</div>
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</div>
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<div class="col-md-6">
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<div class="mb-3">
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<label for="interval" class="form-label">爬取间隔(秒)</label>
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<input type="number" class="form-control" id="interval" value="5" min="1">
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<small class="text-muted">每次请求之间的间隔时间</small>
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</div>
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</div>
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</div>
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<div class="row">
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<div class="col-md-6">
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<div class="mb-3">
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<label for="maxRetries" class="form-label">最大重试次数</label>
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<input type="number" class="form-control" id="maxRetries" value="3" min="1">
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</div>
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</div>
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<div class="col-md-6">
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<div class="mb-3">
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<label for="timeout" class="form-label">请求超时时间(秒)</label>
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<input type="number" class="form-control" id="timeout" value="30" min="1">
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</div>
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</div>
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</div>
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</div>
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</div>
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<!-- 操作按钮 -->
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<div class="d-flex justify-content-between mb-5">
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<button class="btn btn-primary" onclick="startCrawling()">
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<i class="fas fa-play"></i> 开始爬取
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</button>
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<button class="btn btn-secondary" onclick="saveConfig()">
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<i class="fas fa-save"></i> 保存配置
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</button>
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</div>
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<!-- 爬虫状态和日志 -->
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<div class="card">
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<div class="card-header">
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<h5 class="mb-0">爬虫状态</h5>
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</div>
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<div class="card-body">
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<div class="progress mb-3">
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<div id="crawlProgress" class="progress-bar" role="progressbar" style="width: 0%"></div>
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</div>
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<div class="border p-3 bg-light" style="height: 200px; overflow-y: auto;">
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<pre id="crawlLog" class="mb-0"></pre>
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</div>
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</div>
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</div>
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</div>
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<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
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<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.0.2/js/bootstrap.bundle.min.js"></script>
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<script>
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// 预定义话题列表
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const predefinedTopics = [
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'热门', '社会', '科技', '娱乐', '体育', '财经',
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'教育', '健康', '军事', '文化', '汽车', '美食'
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];
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// 已选择的话题
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let selectedTopics = new Set();
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// 初始化页面
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window.onload = function() {
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loadPredefinedTopics();
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};
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// 加载预定义话题
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function loadPredefinedTopics() {
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const topicsDiv = document.getElementById('predefinedTopics');
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predefinedTopics.forEach(topic => {
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const topicElement = document.createElement('span');
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topicElement.className = 'topic-item';
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topicElement.textContent = topic;
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topicElement.onclick = () => toggleTopic(topic, topicElement);
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topicsDiv.appendChild(topicElement);
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});
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}
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// 切换话题选择状态
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function toggleTopic(topic, element) {
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if (selectedTopics.has(topic)) {
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selectedTopics.delete(topic);
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element.classList.remove('selected');
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} else {
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selectedTopics.add(topic);
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element.classList.add('selected');
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}
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updateSelectedTopicsList();
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}
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// 添加自定义话题
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function addCustomTopic() {
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const input = document.getElementById('customTopic');
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const topic = input.value.trim();
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if (topic) {
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selectedTopics.add(topic);
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input.value = '';
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updateSelectedTopicsList();
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}
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}
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// 更新已选择的话题列表
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function updateSelectedTopicsList() {
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const listDiv = document.getElementById('selectedTopicsList');
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listDiv.innerHTML = '';
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selectedTopics.forEach(topic => {
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const topicElement = document.createElement('span');
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topicElement.className = 'topic-item selected';
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topicElement.textContent = topic;
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topicElement.onclick = () => {
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selectedTopics.delete(topic);
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updateSelectedTopicsList();
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};
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listDiv.appendChild(topicElement);
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});
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}
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// 开始爬取
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function startCrawling() {
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if (selectedTopics.size === 0) {
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alert('请至少选择一个话题！');
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return;
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}
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const config = {
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topics: Array.from(selectedTopics),
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parameters: {
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crawlDepth: parseInt(document.getElementById('crawlDepth').value),
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interval: parseInt(document.getElementById('interval').value),
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maxRetries: parseInt(document.getElementById('maxRetries').value),
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timeout: parseInt(document.getElementById('timeout').value)
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}
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};
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// 发送爬虫配置到后端
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fetch('/api/spider/start', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify(config)
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})
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.then(response => response.json())
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.then(data => {
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if (data.success) {
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updateCrawlLog('爬虫任务已启动...');
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} else {
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updateCrawlLog('启动失败：' + data.message);
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}
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})
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.catch(error => {
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updateCrawlLog('错误：' + error.message);
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});
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}
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// 保存配置
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function saveConfig() {
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const config = {
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topics: Array.from(selectedTopics),
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parameters: {
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crawlDepth: parseInt(document.getElementById('crawlDepth').value),
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interval: parseInt(document.getElementById('interval').value),
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maxRetries: parseInt(document.getElementById('maxRetries').value),
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timeout: parseInt(document.getElementById('timeout').value)
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}
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};
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fetch('/api/spider/save-config', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify(config)
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})
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.then(response => response.json())
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.then(data => {
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if (data.success) {
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alert('配置已保存！');
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} else {
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alert('保存失败：' + data.message);
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}
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})
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.catch(error => {
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alert('保存出错：' + error.message);
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});
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}
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// 更新爬虫日志
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function updateCrawlLog(message) {
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const log = document.getElementById('crawlLog');
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const timestamp = new Date().toLocaleTimeString();
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log.innerHTML += `[${timestamp}] ${message}\n`;
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log.scrollTop = log.scrollHeight;
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}
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// WebSocket连接用于实时更新爬虫状态
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const ws = new WebSocket(`ws://${window.location.host}/ws/spider-status`);
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ws.onmessage = function(event) {
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const data = JSON.parse(event.data);
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if (data.type === 'progress') {
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document.getElementById('crawlProgress').style.width = data.value + '%';
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} else if (data.type === 'log') {
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updateCrawlLog(data.message);
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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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