119 lines
3.4 KiB
JavaScript
119 lines
3.4 KiB
JavaScript
const http = require('http');
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const path = require('path');
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const fs = require('fs');
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const { dialog } = require('electron');
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/**
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* 检查端口是否被占用
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* @param {number} port 端口号
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* @returns {Promise<boolean>} 端口是否被占用
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*/
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function checkPort(port) {
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return new Promise(resolve => {
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const server = http.createServer();
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server.once('error', () => {
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resolve(true); // 端口被占用
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});
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server.once('listening', () => {
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server.close();
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resolve(false); // 端口未被占用
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});
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server.listen(port);
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});
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}
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/**
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* 启动 Next.js 服务
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* @param {number} port 端口号
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* @param {Object} app Electron app 对象
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* @returns {Promise<string>} 服务URL
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*/
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async function startNextServer(port, app) {
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console.log(`Easy Dataset 客户端启动中，当前版本: ${require('../util').getAppVersion()}`);
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// 设置日志文件路径
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const logDir = path.join(app.getPath('userData'), 'logs');
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if (!fs.existsSync(logDir)) {
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fs.mkdirSync(logDir, { recursive: true });
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}
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const logFile = path.join(logDir, `nextjs-${new Date().toISOString().replace(/:/g, '-')}.log`);
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const logStream = fs.createWriteStream(logFile, { flags: 'a' });
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// 重定向 console.log 和 console.error
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const originalConsoleLog = console.log;
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const originalConsoleError = console.error;
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console.log = function () {
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const args = Array.from(arguments);
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const logMessage = args.map(arg => (typeof arg === 'object' ? JSON.stringify(arg, null, 2) : arg)).join(' ');
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logStream.write(`[${new Date().toISOString()}] [LOG] ${logMessage}\n`);
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originalConsoleLog.apply(console, args);
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};
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console.error = function () {
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const args = Array.from(arguments);
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const logMessage = args.map(arg => (typeof arg === 'object' ? JSON.stringify(arg, null, 2) : arg)).join(' ');
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logStream.write(`[${new Date().toISOString()}] [ERROR] ${logMessage}\n`);
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originalConsoleError.apply(console, args);
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};
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// 检查端口是否被占用
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const isPortBusy = await checkPort(port);
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if (isPortBusy) {
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console.log(`端口 ${port} 已被占用，尝试直接连接...`);
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return `http://localhost:${port}`;
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}
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console.log(`启动 Next.js 服务，端口: ${port}`);
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try {
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// 动态导入 Next.js
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const next = require('next');
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const nextApp = next({
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dev: false,
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dir: path.join(__dirname, '../..'),
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conf: {
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// 配置 Next.js 的日志输出
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onInfo: info => {
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console.log(`[Next.js Info] ${info}`);
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},
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onError: error => {
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console.error(`[Next.js Error] ${error}`);
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},
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onWarn: warn => {
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console.log(`[Next.js Warning] ${warn}`);
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}
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}
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});
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const handle = nextApp.getRequestHandler();
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await nextApp.prepare();
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const server = http.createServer((req, res) => {
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// 记录请求日志
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console.log(`[Request] ${req.method} ${req.url}`);
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handle(req, res);
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});
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return new Promise(resolve => {
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server.listen(port, err => {
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if (err) throw err;
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console.log(`服务已启动，正在打开应用...`);
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resolve(`http://localhost:${port}`);
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});
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});
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} catch (error) {
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console.error('启动服务失败:', error);
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dialog.showErrorBox('启动失败', `无法启动 Next.js 服务: ${error.message}`);
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app.quit();
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return '';
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}
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}
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module.exports = {
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checkPort,
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startNextServer
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};
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