139 lines
4.0 KiB
JavaScript
139 lines
4.0 KiB
JavaScript
// main.js
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// 控制应用生命周期和创建原生浏览器窗口的模组
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const {app, BrowserWindow, Menu} = require('electron')
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const path = require('path')
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const fs = require('fs');
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const {spawn} = require('child_process');
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const net = require('net');
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const log = require('electron-log');
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const userHome = process.env.HOME || process.env.USERPROFILE;
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const dataPath = path.join(userHome, "openRenamer");
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log.transports.file.resolvePathFn = () => path.join(dataPath, 'logs/main.log');
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async function createWindow() {
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// 隐藏菜单栏
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Menu.setApplicationMenu(null)
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// 创建浏览器窗口
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const win = new BrowserWindow({
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//width: 800, //窗口宽度,单位像素. 默认是 800
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//height: 600, //窗口高度,单位像素. 默认是 600
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icon: './logo.ico', // 设置窗口左上角的图标
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show: false, //窗口创建的时候是否显示. 默认为 true
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webPreferences: {
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nodeIntegration: true, // 是否完整支持node。默认为 true
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preload: path.join(__dirname, 'preload.js') //界面的其它脚本运行之前预先加载一个指定脚本。
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}
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});
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//打开调试
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// win.webContents.openDevTools();
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win.loadFile('./index.html');
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let startTime = Date.now();
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// 下面这两行代码配合上面 new BrowserWindow 里面的 show: false，可以实现打开时窗口最大化
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win.maximize()
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win.show()
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log.info(__dirname);
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let port = await startBackend()
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log.info("backend service started")
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let diff = Date.now() - startTime;
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let time = 2000;
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if (diff < time) {
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await sleep(time - diff);
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}
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win.loadURL(`http://localhost:` + port);
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// win.webContents.openDevTools()
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}
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// Electron会在初始化完成并且准备好创建浏览器窗口时调用这个方法
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// 部分 API 在 ready 事件触发后才能使用。
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app.whenReady().then(createWindow)
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// 当所有窗口都被关闭后退出
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app.on('windows-all-closed', () => {
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// 在 macOS 上，除非用户用 Cmd + Q 确定地退出，
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// 否则绝大部分应用及其菜单栏会保持激活。
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if (process.platform !== 'darwin') {
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app.quit()
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}
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})
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app.on('activate', () => {
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// 在macOS上，当单击dock图标并且没有其他窗口打开时，
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// 通常在应用程序中重新创建一个窗口。
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if (BrowserWindow.getAllWindows().length === 0) {
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createWindow()
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}
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})
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/**
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* 启动后台服务
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* @returns {Promise<number>}
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*/
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async function startBackend() {
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let port = 51000;
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while (true) {
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let ok = await checkPort(port);
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if (ok) {
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break;
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}
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port = port + 1;
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}
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log.info("start check folder exist", __dirname, __filename)
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let exist = fs.existsSync("openRenamerBackend");
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const childProcess = spawn('node', [(exist ? '' : '../') + 'openRenamerBackend/dist/index.js'], {
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env: {
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"PORT": port,
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"DATA_PATH": dataPath
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}
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});
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childProcess.stdout.on('data', (data) => {
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log.info(`stdout: ${data}`);
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});
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childProcess.stderr.on('data', (data) => {
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log.error(`stderr: ${data}`);
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});
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childProcess.on('close', (code) => {
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log.info(`child process exited with code ${code}`);
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});
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log.info("check service start");
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while (true) {
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await sleep(100);
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let success = !(await checkPort(port));
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if (success) {
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log.info("service start");
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break;
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}
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}
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return port;
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}
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/**
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* 判断端口是否可用
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* @param port
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* @returns {Promise<unknown>}
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*/
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function checkPort(port) {
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return new Promise((resolve, reject) => {
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let server = net.createServer().listen(port);
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server.on("listening", function () {
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server.close();
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resolve(true);
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})
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server.on("error", function (err) {
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console.error(err);
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resolve(false);
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})
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})
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}
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function sleep(time) {
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return new Promise((resolve, reject) => {
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setTimeout(() => resolve(), time);
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})
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} |