electron-quick-start/main.js

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

function createWindow () {
  const mainWindow = new BrowserWindow({
    width: 800,
    height: 600,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js')
    }
  });
  mainWindow.loadFile('./dist/index.html');

  const template = [
    {
      label: '窗口',
      // submenu 代表下一级菜单
      submenu: [
        {
          label: '刷新窗口',
          accelerator: 'F5',
          // 添加点击事件
          click: () => {
            mainWindow.reload();
          },
        },
        {
          label: '关闭窗口',
          accelerator: 'ctrl+q',
          // 添加点击事件
          click: () => {
            mainWindow.close();
          },
        }
      ],
    }
  ]

// 3.从模板中创建菜单
  const myMenu = Menu.buildFromTemplate(template);
// 4.设置为应用程序菜单
  Menu.setApplicationMenu(myMenu);
}


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

  app.on('activate', function () {
    // 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) createWindow()
  })
})

// 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()
})

// 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.