launcher/app/main/index.js

const {app, BrowserWindow, dialog, protocol, ipcMain} = require('electron')
const {create: createMainWindow} = require('./windows/main')
const {MANUAL_CREATED_FLAG,} = require('./constant')
const handleIPC = require('./ipc')

const {sinceTime,sinceTimeEnd}  = require('./SinceTimeTool')
sinceTime()
const store = require('./windows/lib/store');
const isFirstInstall = store.get("firstInstall");
if (isFirstInstall) {
    console.log('<========清除历史缓存=====>')
    app.commandLine.appendSwitch("--disable-http-cache");
    store.set("firstInstall", false);
}
// 关闭GPU加速
// app.disableHardwareAcceleration()
// app.allowRendererProcessReuse = true
app.whenReady().then(() => {
    // 启动应用时自动启动监控平台接口服务
    // const child_process = require('child_process')
    // if (global.worker !== 'start') {
    //     let worker = child_process.fork('D:\\linyun\\workspace\\front-monitor-api\\src\\app.js',[])
    //     global.worker = 'start'
    // }

    const gotTheLock = app.requestSingleInstanceLock();
    console.log('gotTheLock',gotTheLock)
    // if (!gotTheLock) {
    //     dialog.showMessageBox(win,{
    //         type: "warning",
    //         title: "提示",
    //         message: "您已打开指挥系统！请勿重复操作",
    //     }).then(() => {
    //         app.exit()
    //     })
    //     return;
    // }
    protocol.registerFileProtocol('file', (request, callback) => {
        const pathname = decodeURI(request.url.replace('file:///', ''));
        callback(pathname);
    });
    sinceTimeEnd('whenReady')
    handleIPC();
    sinceTimeEnd('handleIPC')
    createMainWindow();
    sinceTimeEnd('createWindowEnd')

    app.on('browser-window-created', (event, window) => {
        setTimeout(() => {
            if (window[MANUAL_CREATED_FLAG]) { // allow safe created manually
                return
            }
            dialog.showMessageBox({
                type: "warning",
                title: "提示",
                message: "新开窗口必须使用内置openWindow接口",
            })
            try {
                window.destroy()
            } catch (e) {
                console.error(e)
            }
        }, 100)
    })

    app.on('activate', () => {
        // On macOS it's common to re-create a window in the app when the
        // dock icon is clicked and there are no other windows open.
        if (BrowserWindow.getAllWindows().length === 0) {
            createMainWindow()
        }
    })
})
// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', function () {
    if (process.platform !== 'darwin') app.quit()
})