// preload.js // 所有的 Node.js API接口 都可以在 preload 进程中被调用. // 它拥有与Chrome扩展一样的沙盒。 const {contextBridge, ipcRenderer} = require('electron') window.addEventListener('DOMContentLoaded', () => { const replaceText = (selector, text) => { const element = document.getElementById(selector) if (element) element.innerText = text } for (const dependency of ['chrome', 'node', 'electron']) { replaceText(`${dependency}-version`, process.versions[dependency]) } }) contextBridge.exposeInMainWorld('electronAPI', { setTitle: (title) => ipcRenderer.send('set-title', title) })