使用电子、react (es6 / jsx)、sass、pouchdb 和 webpack 2 设置。我无法导入或要求 ipcRenderer 使主进程和渲染器进程之间的通信成为可能。我的设置可以在这里找到：https : //github.com/wende60/timeTracker
任何提示如何将 ipcRenderer 放入react组件中？
干杯，乔
如何在 react/webpack 2 设置中导入电子 ipcRenderer
IT技术
reactjs
webpack
electron
2021-04-28 09:19:17
4个回答
const electron = window.require('electron');
const ipcRenderer = electron.ipcRenderer;
我认为这是更好的解决方案，因为它避免了弹出 React 应用程序。
我有同样的问题。这为我解决了这个问题：
添加在webpack.config.js：
const webpack = require("webpack");
module.exports = {
plugins: [
new webpack.ExternalsPlugin('commonjs', [
'electron'
])
]
...
}
然后你可以使用它
import {ipcRenderer} from "electron";
我建议你在这里阅读我的回复。
您需要像这样设置您的应用程序：
主文件
const {
app,
BrowserWindow,
ipcMain
} = require("electron");
const path = require("path");
const fs = require("fs");
// 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 win;
async function createWindow() {
// Create the browser window.
win = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
nodeIntegration: false, // is default value after Electron v5
contextIsolation: true, // protect against prototype pollution
enableRemoteModule: false, // turn off remote
preload: path.join(__dirname, "preload.js") // use a preload script
}
});
// Load app
win.loadFile(path.join(__dirname, "dist/index.html"));
// rest of code..
}
app.on("ready", createWindow);
ipcMain.on("toMain", (event, args) => {
fs.readFile("path/to/file", (error, data) => {
// Do something with file contents
// Send result back to renderer process
win.webContents.send("fromMain", responseObj);
});
});
预加载.js
** 更新：不要使用
send键值作为属性名称。win.webContents.send当您尝试win.webContents.send('your_channel_name')在主进程中调用时，它将覆盖方法并且什么也不做main.js。最好使用更好的名称，例如request和response。
const {
contextBridge,
ipcRenderer
} = require("electron");
// Expose protected methods that allow the renderer process to use
// the ipcRenderer without exposing the entire object
contextBridge.exposeInMainWorld(
"api", {
//send: (channel, data) => {
request: (channel, data) => {
// whitelist channels
let validChannels = ["toMain"];
if (validChannels.includes(channel)) {
ipcRenderer.send(channel, data);
}
},
//receive: (channel, func) => {
response: (channel, func) => {
let validChannels = ["fromMain"];
if (validChannels.includes(channel)) {
// Deliberately strip event as it includes `sender`
ipcRenderer.on(channel, (event, ...args) => func(...args));
}
}
}
);
索引.html
<!doctype html>
<html lang="en-US">
<head>
<meta charset="utf-8"/>
<title>Title</title>
</head>
<body>
<script>
window.api.response("fromMain", (data) => {
console.log(`Received ${data} from main process`);
});
window.api.request("toMain", "some data");
</script>
</body>
</html>
截至 2020 年 5 月，我认为Erik Martín Jordán 说得最好：
创建一个 preload.js 文件：
window.ipcRenderer = require('electron').ipcRenderer;
在 main.js 上：
// Create the browser window.
mainWindow = new BrowserWindow({
alwaysOnTop: true,
frame: false,
fullscreenable: false,
transparent: true,
titleBarStyle: 'customButtonsOnHover',
show: false,
width: 300,
height: 350,
webPreferences: {
// UPDATE: for electron > V12 consider setting contextIsolation and see: https://github.com/electron/electron/issues/9920#issuecomment-797491175
nodeIntegration: true,
preload: __dirname + '/preload.js'
}
});
// Blur window when close o loses focus
mainWindow.webContents.on('did-finish-load', () => mainWindow.webContents.send('ping', '🤘') );
此文件上的 mainWindow 变量将预加载 preload.js 文件。现在 React 组件可以调用 window.ipcRenderer 方法。
在 React app.js 中：
import React, { useEffect, useState } from 'react';
import './App.css';
function App() {
useEffect( () => {
window.ipcRenderer.on('ping', (event, message) => {
console.log(message)
});
}, []);
return (
<div className = 'App'></div>
);
}
export default App;