electron-app/main.js

const { app, BrowserWindow, screen } = require('electron')

const createWindow = () => {
  const displays = screen.getAllDisplays()
  const externalDisplay = displays.find((display) => {
    return display.bounds.x !== 0 || display.bounds.y !== 0
  })

  // const mainWindow = new BrowserWindow({
  //   width: 800,
  //   height: 600,
  //   x: externalDisplay.bounds.x,
  //   y: externalDisplay.bounds.y
  // })

  // mainWindow.loadURL('https://example.com')
  const win = new BrowserWindow({
    frame: false, //隐藏头部操作栏
    fullscreen: true, //是否全屏
    x: externalDisplay.bounds.x + 50,
    y: externalDisplay.bounds.y + 50
    // icon: path.join(__dirname, '/bb.png'), //这里指定图标
  })

  win.loadURL('http://127.0.0.1:9000')
}

app.whenReady().then(() => {
  createWindow()

  app.on('activate', () => {
    if (BrowserWindow.getAllWindows().length === 0) {
      createWindow()
    }
  })
})

app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit()
  }
})