download_scene/browser_code/main.js

// Modules to control application life and create native browser window
const {
  app,
  BrowserWindow
} = require('electron')

const httpServer = require('http-server/lib/http-server')
const fs = require("fs");

const server = httpServer.createServer({
  // root:__dirname
  root: '../'
})

server.listen(9000)



const path = require('path')

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow

function createWindow() {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      nodeIntegration: false,
      webSecurity: true
    }
  })

  // and load the index.html of the app.
  //mainWindow.loadFile('index.html')
  fs.readFile('../code.txt', 'utf-8', function (err, data) {
    let sceneArr = []
    if (err) {
      console.error(err);
    }
    else {
      console.log(data);
      sceneArr = data.split(',')
    }
    mainWindow.loadURL(`http://localhost:9000/showProPC.html?m=${sceneArr[0]}`, {
      userAgent: '5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3497.100 Safari/537.36'
    })
    
  })


    // Emitted when the window is closed.
    mainWindow.on('closed', function () {
      // Dereference the window object, usually you would store windows
      // in an array if your app supports multi windows, this is the time
      // when you should delete the corresponding element.
      mainWindow = null
    })
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow)

// Quit when all windows are closed.
app.on('window-all-closed', function () {
  // On OS X it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit()
  }
})

app.on('activate', function () {
  // On OS X 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 (mainWindow === null) {
    createWindow()
  }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.