vue2exe/main.js

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

function createWindow () {
  // Create the browser window.
  const mainWindow = new BrowserWindow({
    width: 1300,
    height: 800,
    // frame: false,
    icon: path.join(__dirname, 'icon.ico'),
    webPreferences: {
      contextIsolation: false,
      preload: path.join(__dirname, 'preload.js'),
      webSecurity: false,  // 允许跨域
    }
  })
  //隐藏菜单
  mainWindow.setMenu(null);
  // and load the index.html of the app.
   //mainWindow.loadFile('index.html')
  // window.isElectron = true;
  mainWindow.loadFile('./dist/index.html')

  // Open the DevTools.
  // mainWindow.webContents.openDevTools()

  mainWindow.on('close', e => {
    const choice = dialog.showMessageBoxSync(mainWindow, {
      type: 'info',
      buttons: ['取消', '确认'],
      title: '提示',
      message: '确定要退出系统吗？',
      defaultId: 0, // 默认选中“取消”按钮
      cancelId: 1, // 按下 Esc 键时的默认行为是“取消”
    })
    const leave = choice === 0;
    if (!leave) {
      clearCache(mainWindow)
    } else {
      // 点击取消按钮
      e.preventDefault();
    }
  })

  mainWindow.on('closed', () => {
    app.quit() // 关闭应用程序
  })
}

/**
  * @description 清除缓存
  */
function clearCache(mainWindow) {
  // 在窗口即将关闭时清除 localStorage 和 sessionStorage
  mainWindow.webContents.executeJavaScript('localStorage.clear();')
  mainWindow.webContents.executeJavaScript('sessionStorage.clear();')
}
// 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()
})

app.on('before-quit', () => {
  // 获取端口
  let port = 30523;

  // 执行杀死进程的操作
  try {
    const command = `netstat -ano | findstr :${port}`;
    const output = execSync(command).toString();
    const lines = output.trim().split('\n');
    for (const line of lines) {
      const pidMatch = line.match(/LISTENING\s+(\d+)/);
      if (pidMatch) {
        const pid = pidMatch[1];
        execSync(`taskkill /PID ${pid} -t -f`);
        break;
      }
    }
  } catch (error) {
    console.error('无法杀死进程', error);
  }
});





// 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.