saas-platform/frontend/saas-web/electron/main.js

const { app, BrowserWindow, ipcMain } = require('electron');
const path = require('path');
const url = require('url');
const isLocal = process.argv[process.argv.length - 1] === 'local';
const extDir = isLocal ? '../build/production/saas' : 'dist';
let loginWindow;
let mainWindow;

// 监听session变化
ipcMain.on('session.change', (event, arg) => {
    if (arg) {
        loginWindow && loginWindow.close();
        createMainWindow(arg);
    } else {
        mainWindow && mainWindow.close();
        createLoginWindow();
    }
});

function createLoginWindow() {
    loginWindow = new BrowserWindow({ width: 453, height: 513, fullscreenable: false, maximizable: false, resizable: false });
    loginWindow.loadURL(url.format({
        pathname: path.join(__dirname, 'login.html'),
        protocol: 'file:',
        slashes: true
    }));

    if (isLocal) {
        loginWindow.webContents.openDevTools();
    }

    loginWindow.on('closed', function () {
        loginWindow = null;
    });
}

function createMainWindow (session) {
    mainWindow = new BrowserWindow({ width: 1280, height: 720, show: false });
    mainWindow.once('ready-to-show', function(){
        mainWindow.maximize();
        mainWindow.show();
    });
    mainWindow.loadURL(url.format({
        pathname: path.join(__dirname, extDir + '/index.html'),
        protocol: 'file:',
        slashes: true
    }));

    if (isLocal) {
        mainWindow.webContents.openDevTools();
    }

    mainWindow.webContents.on("did-finish-load", function() {
        mainWindow.webContents.executeJavaScript('\
            localStorage.setItem("app-state-session", decodeURIComponent("' + encodeURIComponent(session) + '"))');
    });
    mainWindow.on('closed', function () {
        mainWindow = null;
    });
}

app.on('ready', createLoginWindow);

// Quit when all windows are closed, except for Mac users
app.on('window-all-closed', function () {
    if (process.platform !== 'darwin') {
        app.quit()
    }
});

app.on('activate', function () {
    if (mainWindow === null) {
        createMainWindow();
    }
});