587 lines
17 KiB
JavaScript
587 lines
17 KiB
JavaScript
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/**
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* 小红书采集器前端逻辑
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*/
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// ========== 状态管理 ==========
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const state = {
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isRunning: false,
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mode: 'single',
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maxThreads: 3,
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totalUsers: 0,
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completedUsers: 0,
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failedUsers: 0,
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activeThreads: 0,
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usersStatus: {},
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threadStatus: {},
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eventSource: null,
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autoScrollLogs: true,
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logFilter: 'all',
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logs: []
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};
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// ========== DOM 元素 ==========
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const elements = {
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startBtn: null,
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stopBtn: null,
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clearLogsBtn: null,
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exportDataBtn: null,
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themeToggle: null,
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themeIcon: null,
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modeRadios: null,
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threadControl: null,
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threadCount: null,
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progressBar: null,
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progressText: null,
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totalUsers: null,
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completedUsers: null,
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failedUsers: null,
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activeThreadsStat: null,
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activeThreads: null,
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userList: null,
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userCount: null,
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threadMonitorPanel: null,
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threadList: null,
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logContainer: null,
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logFilter: null,
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logSearch: null,
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screenshotPanel: null,
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screenshotImage: null,
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closeScreenshot: null
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};
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// ========== 初始化 ==========
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function init() {
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// 获取 DOM 元素
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elements.startBtn = document.getElementById('startBtn');
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elements.stopBtn = document.getElementById('stopBtn');
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elements.clearLogsBtn = document.getElementById('clearLogsBtn');
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elements.exportDataBtn = document.getElementById('exportDataBtn');
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elements.themeToggle = document.getElementById('themeToggle');
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elements.themeIcon = document.getElementById('themeIcon');
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elements.modeRadios = document.querySelectorAll('input[name="mode"]');
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elements.threadControl = document.getElementById('threadControl');
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elements.threadCount = document.getElementById('threadCount');
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elements.progressBar = document.getElementById('progressBar');
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elements.progressText = document.getElementById('progressText');
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elements.totalUsers = document.getElementById('totalUsers');
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elements.completedUsers = document.getElementById('completedUsers');
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elements.failedUsers = document.getElementById('failedUsers');
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elements.activeThreadsStat = document.getElementById('activeThreadsStat');
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elements.activeThreads = document.getElementById('activeThreads');
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elements.userList = document.getElementById('userList');
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elements.userCount = document.getElementById('userCount');
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elements.threadMonitorPanel = document.getElementById('threadMonitorPanel');
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elements.threadList = document.getElementById('threadList');
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elements.logContainer = document.getElementById('logContainer');
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elements.logFilter = document.getElementById('logFilter');
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elements.logSearch = document.getElementById('logSearch');
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elements.screenshotPanel = document.getElementById('screenshotPanel');
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elements.screenshotImage = document.getElementById('screenshotImage');
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elements.closeScreenshot = document.getElementById('closeScreenshot');
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// 加载主题
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loadTheme();
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// 加载初始数据
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loadInitialData();
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// 绑定事件
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bindEvents();
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// 连接 SSE
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connectEventStream();
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}
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// ========== 事件绑定 ==========
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function bindEvents() {
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// 启动按钮
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elements.startBtn.addEventListener('click', startScraping);
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// 停止按钮
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elements.stopBtn.addEventListener('click', stopScraping);
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// 清空日志
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elements.clearLogsBtn.addEventListener('click', clearLogs);
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// 导出数据
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elements.exportDataBtn.addEventListener('click', exportData);
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// 主题切换
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elements.themeToggle.addEventListener('click', toggleTheme);
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// 模式切换
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elements.modeRadios.forEach(radio => {
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radio.addEventListener('change', (e) => {
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state.mode = e.target.value;
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updateModeUI();
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});
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});
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// 线程数变化
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elements.threadCount.addEventListener('change', (e) => {
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state.maxThreads = parseInt(e.target.value);
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});
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// 日志过滤
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elements.logFilter.addEventListener('change', (e) => {
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state.logFilter = e.target.value;
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renderLogs();
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});
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// 日志搜索
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elements.logSearch.addEventListener('input', debounce((e) => {
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searchLogs(e.target.value);
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}, 300));
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// 关闭截图
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elements.closeScreenshot.addEventListener('click', () => {
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elements.screenshotPanel.style.display = 'none';
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});
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// 日志容器滚动监听（自动滚动控制）
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elements.logContainer.addEventListener('scroll', () => {
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const { scrollTop, scrollHeight, clientHeight } = elements.logContainer;
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state.autoScrollLogs = scrollTop + clientHeight >= scrollHeight - 10;
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});
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}
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// ========== 加载初始数据 ==========
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async function loadInitialData() {
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try {
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// 加载状态
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const statusRes = await fetch('/api/status');
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const statusData = await statusRes.json();
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updateStatus(statusData);
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// 加载用户列表
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const usersRes = await fetch('/api/users');
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const usersData = await usersRes.json();
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renderUserList(usersData.users);
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// 加载历史日志
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const logsRes = await fetch('/api/logs?limit=100');
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const logsData = await logsRes.json();
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state.logs = logsData.logs;
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renderLogs();
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} catch (error) {
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console.error('加载初始数据失败:', error);
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}
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}
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// ========== 启动采集 ==========
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async function startScraping() {
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try {
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const response = await fetch('/api/start', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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mode: state.mode,
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max_threads: state.maxThreads
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})
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});
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const data = await response.json();
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if (response.ok) {
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state.isRunning = true;
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updateButtons();
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addLog('SUCCESS', data.message);
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} else {
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addLog('ERROR', data.detail || '启动失败');
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}
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} catch (error) {
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addLog('ERROR', `启动失败: ${error.message}`);
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}
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}
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// ========== 停止采集 ==========
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async function stopScraping() {
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try {
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const response = await fetch('/api/stop', { method: 'POST' });
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const data = await response.json();
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if (response.ok) {
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state.isRunning = false;
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updateButtons();
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addLog('WARNING', data.message);
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}
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} catch (error) {
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addLog('ERROR', `停止失败: ${error.message}`);
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}
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}
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// ========== 清空日志 ==========
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async function clearLogs() {
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try {
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const response = await fetch('/api/logs/clear', { method: 'POST' });
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const data = await response.json();
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if (response.ok) {
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state.logs = [];
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renderLogs();
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addLog('SUCCESS', '日志已清空');
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}
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} catch (error) {
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addLog('ERROR', `清空日志失败: ${error.message}`);
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}
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}
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// ========== 导出数据 ==========
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async function exportData() {
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try {
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// 下载日志
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window.location.href = '/api/logs/download';
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addLog('SUCCESS', '正在下载日志文件...');
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} catch (error) {
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addLog('ERROR', `导出失败: ${error.message}`);
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}
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}
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// ========== 搜索日志 ==========
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async function searchLogs(keyword) {
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if (!keyword) {
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// 加载所有日志
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const logsRes = await fetch('/api/logs?limit=100');
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const logsData = await logsRes.json();
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state.logs = logsData.logs;
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} else {
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// 搜索日志
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const searchRes = await fetch(`/api/logs/search?keyword=${encodeURIComponent(keyword)}&limit=100`);
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const searchData = await searchRes.json();
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state.logs = searchData.logs;
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}
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renderLogs();
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}
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// ========== SSE 事件流 ==========
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function connectEventStream() {
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if (state.eventSource) {
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state.eventSource.close();
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}
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state.eventSource = new EventSource('/api/events');
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state.eventSource.onmessage = (event) => {
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if (event.data.startsWith(': heartbeat')) {
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return; // 忽略心跳
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}
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try {
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const data = JSON.parse(event.data);
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handleEvent(data);
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} catch (error) {
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console.error('解析事件失败:', error);
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}
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};
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state.eventSource.onerror = (error) => {
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console.error('SSE 连接错误:', error);
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// 5秒后重连
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setTimeout(() => {
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if (!state.eventSource || state.eventSource.readyState === EventSource.CLOSED) {
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connectEventStream();
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}
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}, 5000);
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};
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}
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// ========== 处理事件 ==========
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function handleEvent(event) {
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switch (event.type) {
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case 'log':
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addLog(event.level, event.message, event.thread_id, event.timestamp, false);
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break;
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case 'progress':
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updateProgress(event);
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break;
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case 'user_status':
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updateUserStatus(event);
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break;
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case 'thread_status':
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updateThreadStatus(event);
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break;
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case 'screenshot':
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showScreenshot(event.path);
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break;
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case 'finished':
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state.isRunning = false;
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updateButtons();
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addLog('SUCCESS', '所有采集任务完成');
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break;
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case 'error':
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addLog('ERROR', event.message);
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break;
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}
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}
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// ========== 更新状态 ==========
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function updateStatus(data) {
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state.isRunning = data.is_running;
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state.totalUsers = data.total_users;
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state.completedUsers = data.completed_users;
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state.failedUsers = data.failed_users;
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state.activeThreads = data.active_threads;
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state.usersStatus = data.users_status || {};
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updateButtons();
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updateProgress();
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renderUserListFromStatus();
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}
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// ========== 更新进度 ==========
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function updateProgress(data) {
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if (data) {
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state.completedUsers = data.completed || state.completedUsers;
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state.failedUsers = data.failed || state.failedUsers;
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state.activeThreads = data.active_threads || state.activeThreads;
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}
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const total = state.totalUsers;
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const completed = state.completedUsers;
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const failed = state.failedUsers;
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const progress = total > 0 ? Math.round(((completed + failed) / total) * 100) : 0;
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elements.progressBar.style.width = `${progress}%`;
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elements.progressText.textContent = `${progress}%`;
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elements.totalUsers.textContent = total;
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elements.completedUsers.textContent = completed;
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elements.failedUsers.textContent = failed;
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elements.activeThreads.textContent = state.activeThreads;
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// 多线程模式显示活跃线程
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if (state.mode === 'multi') {
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elements.activeThreadsStat.style.display = 'flex';
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}
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}
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// ========== 更新用户状态 ==========
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function updateUserStatus(data) {
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state.usersStatus[data.user_id] = {
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status: data.status,
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note_count: data.note_count,
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thread_id: data.thread_id
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};
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renderUserListFromStatus();
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}
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// ========== 更新线程状态 ==========
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function updateThreadStatus(data) {
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state.threadStatus[data.thread_id] = {
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status: data.status,
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current_user: data.current_user
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};
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renderThreadList();
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}
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// ========== 渲染用户列表 ==========
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function renderUserList(users) {
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if (!users || users.length === 0) {
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elements.userList.innerHTML = `
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<div class="empty-state">
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<p>暂无用户数据</p>
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<p class="hint">请在 data/users.txt 中添加用户 ID</p>
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</div>
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`;
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elements.userCount.textContent = '0';
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
elements.userCount.textContent = users.length;
|
||
|
|
|
||
|
|
elements.userList.innerHTML = users.map(user => {
|
||
|
|
const status = user.status || 'pending';
|
||
|
|
const noteCount = user.note_count || 0;
|
||
|
|
|
||
|
|
return `
|
||
|
|
<div class="user-item" data-user-id="${user.id}">
|
||
|
|
<div class="user-item-header">
|
||
|
|
<span class="user-id">${user.id}</span>
|
||
|
|
<div class="user-status">
|
||
|
|
<span class="status-icon status-${status}"></span>
|
||
|
|
<span>${getStatusText(status)}</span>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
<div class="user-meta">
|
||
|
|
${noteCount > 0 ? `已采集 ${noteCount} 条笔记` : '等待采集'}
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
`;
|
||
|
|
}).join('');
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 从状态渲染用户列表 ==========
|
||
|
|
function renderUserListFromStatus() {
|
||
|
|
const users = Object.keys(state.usersStatus).map(userId => ({
|
||
|
|
id: userId,
|
||
|
|
...state.usersStatus[userId]
|
||
|
|
}));
|
||
|
|
|
||
|
|
renderUserList(users);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 渲染线程列表 ==========
|
||
|
|
function renderThreadList() {
|
||
|
|
const threads = Object.entries(state.threadStatus);
|
||
|
|
|
||
|
|
if (threads.length === 0) {
|
||
|
|
elements.threadList.innerHTML = `
|
||
|
|
<div class="empty-state">
|
||
|
|
<p>暂无线程活动</p>
|
||
|
|
</div>
|
||
|
|
`;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
elements.threadList.innerHTML = threads.map(([threadId, status]) => {
|
||
|
|
const statusClass = status.status;
|
||
|
|
const statusText = status.status === 'busy' ? '处理中' :
|
||
|
|
status.status === 'idle' ? '空闲' : '错误';
|
||
|
|
const currentUser = status.current_user || '-';
|
||
|
|
|
||
|
|
return `
|
||
|
|
<div class="thread-item">
|
||
|
|
<div class="thread-header">
|
||
|
|
<span class="thread-name">${threadId}</span>
|
||
|
|
<span class="thread-status ${statusClass}">${statusText}</span>
|
||
|
|
</div>
|
||
|
|
<div class="thread-current">${currentUser}</div>
|
||
|
|
</div>
|
||
|
|
`;
|
||
|
|
}).join('');
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 添加日志 ==========
|
||
|
|
function addLog(level, message, threadId = null, timestamp = null, save = true) {
|
||
|
|
const logEntry = {
|
||
|
|
timestamp: timestamp || new Date().toISOString(),
|
||
|
|
level,
|
||
|
|
message,
|
||
|
|
thread_id: threadId
|
||
|
|
};
|
||
|
|
|
||
|
|
state.logs.push(logEntry);
|
||
|
|
|
||
|
|
// 限制日志数量
|
||
|
|
if (state.logs.length > 1000) {
|
||
|
|
state.logs = state.logs.slice(-1000);
|
||
|
|
}
|
||
|
|
|
||
|
|
renderLogs();
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 渲染日志 ==========
|
||
|
|
function renderLogs() {
|
||
|
|
let logs = state.logs;
|
||
|
|
|
||
|
|
// 过滤
|
||
|
|
if (state.logFilter !== 'all') {
|
||
|
|
logs = logs.filter(log => log.level === state.logFilter);
|
||
|
|
}
|
||
|
|
|
||
|
|
elements.logContainer.innerHTML = logs.map(log => {
|
||
|
|
const time = formatTime(log.timestamp);
|
||
|
|
const thread = log.thread_id ? `<span class="log-thread">[${log.thread_id}]</span>` : '';
|
||
|
|
|
||
|
|
return `
|
||
|
|
<div class="log-entry">
|
||
|
|
<span class="log-time">${time}</span>
|
||
|
|
<span class="log-level ${log.level}">${log.level}</span>
|
||
|
|
<span class="log-message">${thread}${escapeHtml(log.message)}</span>
|
||
|
|
</div>
|
||
|
|
`;
|
||
|
|
}).join('');
|
||
|
|
|
||
|
|
// 自动滚动到底部
|
||
|
|
if (state.autoScrollLogs) {
|
||
|
|
elements.logContainer.scrollTop = elements.logContainer.scrollHeight;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 显示截图 ==========
|
||
|
|
function showScreenshot(path) {
|
||
|
|
elements.screenshotImage.src = path;
|
||
|
|
elements.screenshotPanel.style.display = 'block';
|
||
|
|
addLog('WARNING', `错误截图已生成: ${path}`);
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 更新按钮状态 ==========
|
||
|
|
function updateButtons() {
|
||
|
|
elements.startBtn.disabled = state.isRunning;
|
||
|
|
elements.stopBtn.disabled = !state.isRunning;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 更新模式 UI ==========
|
||
|
|
function updateModeUI() {
|
||
|
|
if (state.mode === 'multi') {
|
||
|
|
elements.threadControl.style.display = 'flex';
|
||
|
|
elements.threadMonitorPanel.style.display = 'block';
|
||
|
|
document.querySelector('.main-content').classList.add('with-threads');
|
||
|
|
} else {
|
||
|
|
elements.threadControl.style.display = 'none';
|
||
|
|
elements.threadMonitorPanel.style.display = 'none';
|
||
|
|
document.querySelector('.main-content').classList.remove('with-threads');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 主题相关 ==========
|
||
|
|
function loadTheme() {
|
||
|
|
const savedTheme = localStorage.getItem('theme') || 'light';
|
||
|
|
if (savedTheme === 'dark') {
|
||
|
|
document.body.classList.add('dark-theme');
|
||
|
|
elements.themeIcon.textContent = '☀️';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function toggleTheme() {
|
||
|
|
document.body.classList.toggle('dark-theme');
|
||
|
|
const isDark = document.body.classList.contains('dark-theme');
|
||
|
|
elements.themeIcon.textContent = isDark ? '☀️' : '🌙';
|
||
|
|
localStorage.setItem('theme', isDark ? 'dark' : 'light');
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 工具函数 ==========
|
||
|
|
function formatTime(isoString) {
|
||
|
|
const date = new Date(isoString);
|
||
|
|
return date.toLocaleTimeString('zh-CN', { hour12: false });
|
||
|
|
}
|
||
|
|
|
||
|
|
function getStatusText(status) {
|
||
|
|
const statusMap = {
|
||
|
|
'pending': '待处理',
|
||
|
|
'processing': '进行中',
|
||
|
|
'completed': '已完成',
|
||
|
|
'failed': '失败'
|
||
|
|
};
|
||
|
|
return statusMap[status] || status;
|
||
|
|
}
|
||
|
|
|
||
|
|
function escapeHtml(text) {
|
||
|
|
const div = document.createElement('div');
|
||
|
|
div.textContent = text;
|
||
|
|
return div.innerHTML;
|
||
|
|
}
|
||
|
|
|
||
|
|
function debounce(func, wait) {
|
||
|
|
let timeout;
|
||
|
|
return function executedFunction(...args) {
|
||
|
|
const later = () => {
|
||
|
|
clearTimeout(timeout);
|
||
|
|
func(...args);
|
||
|
|
};
|
||
|
|
clearTimeout(timeout);
|
||
|
|
timeout = setTimeout(later, wait);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// ========== 启动 ==========
|
||
|
|
document.addEventListener('DOMContentLoaded', init);
|