electron 版本：25.3.1
index.html
<!DOCTYPE html>
<html>
<head><meta charset="UTF-8"><title>Hello World!</title><meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';"/>
</head>
<body>
<h1>Hello World!</h1>
<button id="sad">点我弹出消息对话框</button>
<script>const {ipcRenderer} = require('electron')document.querySelector('#sad').addEventListener('click', () => {ipcRenderer.send('open-message-dialog')})
</script>
</body>
</html>
main.js
const {app, BrowserWindow, ipcMain, dialog} = require('electron')function createWindow() {let win = new BrowserWindow({width: 800,height: 600,webPreferences: {nodeIntegration: true,contextIsolation: false}})win.loadFile('index.html')ipcMain.on('open-message-dialog', () => {dialog.showMessageBox({title: '消息',message: '这是一个消息框。',type: 'info',buttons: ['确定', '取消']})})
}app.whenReady().then(createWindow)app.on('window-all-closed', function () {if (process.platform !== 'darwin') app.quit()
})app.on('activate', () => {if (BrowserWindow.getAllWindows().length === 0) {createWindow()}
})
效果展示
![[JAVAee]synchronized关键字](https://img-blog.csdnimg.cn/b8c3fa037841425eb0a0cb5fc24097e6.png)
