electron创建单实例应用
const {app, BrowserWindow} = require('electron')
const electron = require('electron')
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 = null
const Menu = electron.Menu
const Tray = electron.Tray
var appTray = null;
function createWindow () {
Menu.setApplicationMenu(null)
// Create the browser window.
mainWindow = new BrowserWindow({width: 936, height: 526 ,
resizable: false,})//resizable，设置窗口是否可伸缩
// and load the index.html of the app.
mainWindow.loadFile('zhushou/index.html')//加载HTML页面
mainWindow.setClosable(false)//设置窗口关闭按钮是否可用
mainWindow.flashFrame(true)//设置窗口闪烁
mainWindow.setSkipTaskbar(true)//设置任务栏是否显示
// Open the DevTools.
mainWindow.webContents.openDevTools()//增加开发者工具
//系统托盘图标目录
trayIcon = path.join(__dirname, 'res');//res是选取的目录
appTray = new Tray(path.join(trayIcon, 'favicon.ico'));//res.ico是res目录下的ico文件
//设置此托盘图标的悬停提示内容
appTray.setToolTip('这里是提示信息');
//单击右下角小图标显示应用
appTray.on('click',function(){
mainWindow.show();
})
}
app.on('ready', createWindow)
// Quit when all windows are closed.
app.on('window-all-closed', function () {
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()
}
//Electron单实例
const shouldQuit = app.makeSingleInstance(
(commandLine, workingDirectory) => {
if (mainWindow) {
if (mainWindow.isMinimized()){
mainWindow.restore();
};
mainWindow.focus();
};
});
if (shouldQuit) {
app.quit();
return;//没有这句话，会报错！
};
})
