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electron-quick-start's Introduction

react部分参考Create React App.

1、步骤

1.1 安装react

安装create-react-app

npm install --global create-react-app

创建react工程

create-react-app prjname

进入prjname目录

npm start

启动一个开发模式的服务器,同时也会让你的浏览器自动打开了一个网页,指向本机地址http://localhost:3000/

1.2 electron+react

1.2.1 安装electron

创建后,安装electron

npm install electron --save-dev

安装过程中如果出错,可以清理缓存

npm cache clean -f

安装完成后,在package.json中增加启动项

  "scripts": {
    "electron-start": "electron ." 
  }

安装完成后,自己在React项目的根目录创建Electron的启动文件main.js和index.html两个文件。也可以直接从模板工程下载

1.2.2 修改启动配置

在React项目中的package.json文件中增加main字段,值为"main.js"

{
  "name": "electron-react-station",
  "version": "0.1.0",
  "private": true,
  "main":"main.js",
  "dependencies": {

修改main.js中的win.loadURL,改为

mainWindow.loadURL(url.format({
pathname: path.join(__dirname, './build/index.html'), protocol: 'file:', slashes: true }))
npm run build
npm run electron-start

启动程序.

1.2.3 修改启动页面

上述启动后,是一个空页面,在文件package.json中添加字段

"homepage":"."

1.3 热调试

在main.js文件中将启动页修改为 http://localhost:3000/

mainWindow.loadURL('http://localhost:3000/')

启动两个终端,一个终端启动

npm start

另一个终端启动

npm run electron-start

这样在electron中就可以热调试了。

在package.json中定义个devOpt字段,设置为true/false,然后修改main.js

const pkg = require('./package.json') // 引用package.json 
//判断是否是开发模式 
if(pkg.devOpt) { 
  win.loadURL("http://localhost:3000/")
} else { 
  win.loadURL(url.format({
    pathname:path.join(__dirname, './build/index.html'), 
    protocol:'file:', 
    slashes:true 
  }))
}

1.4 建立python后台

1.4.1 安装zerorpc

pip install zerorpc

或者

conda install -c ampelproject zerorpc

创建py文件,内容如下

import zerorpc
class HelloRPC(object):
    def hello(self, name):
        return "Hello, %s" % name

s = zerorpc.Server(HelloRPC())
s.bind("tcp://0.0.0.0:4242")
s.run()

命令行里运行python api.py。另一个终端输入

zerorpc tcp://localhost:4242 hello NXB,

如果得到Hello,NXB则没有问题

1.4.2 electron与python通信

在main.js中调用创建python进程

let pyProc = null

const createPyProc = () => {
  let port = '4242'
  let script = path.join(__dirname, 'python', 'netrpc.py')
  pyProc = require('child_process').spawn('python', [script, port])
  if (pyProc != null) {
    console.log('python process success')
  }
}

const exitPyProc = () => {
  pyProc.kill()
  pyProc = null
  console.log('python process exit success')
}

app.on('will-quit', exitPyProc)

在ready任务中调用

app.on('ready', function(){
  createWindow()
  createPyProc()
})

运行 npm run electron-start 另一个终端输入

zerorpc tcp://localhost:4242 hello NXB,

如果得到Hello,NXB则没有问题

2 单独安装electron

在文件目录下,手动创建`package.json`
    
    {
        "name": "sample", 
        "version": "1.0.0", 
        "description": "", 
        "main": "main.js", 
        "scripts": {
            "start": "electron ."
        }, 
        "author": "", 
        "license": "UNLICENSED"
    }

创建后,安装electron

npm install electron --save-dev

也可以直接从Github下载模板工程

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