const { ipcRenderer } = require('electron') window.addEventListener('message', function (e) { // 获取消息内容 data const { data } = e; console.log("[electron preload]", data) try { let message = JSON.parse(data); console.log(message) switch (message.action) { case 'fullscreen': ipcRenderer.send('toggle-fullscreen') break } } catch (err) { console.log("err", err) } }) window.addEventListener('DOMContentLoaded', () => { // document.getElementById("fullscreen-button").onclick = function () { // } })