react国际化化插件react-i18n-auto使用详解

npm install react-i18n-auto --save-dev

 {
 "plugins": [
  "@babel/plugin-transform-runtime",
  "react-i18n-auto",
  "..."
 ]
 }

const generator = require('react-i18n-auto/generator')
const path = require('path')

generator.gen({

 excluded: /node_modules|output/, //排除文件选项（默认为：/node_modules/）

 src: path.resolve(__dirname, './code'), //源文件目录（必选）

 outputPath: path.resolve(__dirname, './output'), //国际化配置输出目录（必选）

})

// webpack.config.js
const path = require('path')
module.exports = {
 entry: {
 main: [
  path.resolve(__dirname, './output/localePolyfill.js'),
  path.resolve(__dirname, './src/index.js')
 ],
 ...
 },

import React from 'react'
import en_US from '../output/en_US/locale'
import localeUtils from '../output/localeUtils'

localeUtils.locale(en_US)
// lolale.js
module.exports = {
 'I_2gaaanh': 'Student',
 'I_2aq02r1': 'Teacher'
}

// const.js 
export default Const = {
 SelectOptions:[
 {
  name:'学生',
  value:'student',
 },
 {
  name:'教师',
  value:'teacher',
 },
 ]
}

// app.js
import React from 'react'
import Const from './const'

export default class App extends React.Component {
 render () {
 return <select>
  {
  Const.selectOptions.map(item => {
   return <option key={item.value} value={item.value}>
    {item.name}
   </option>
  })
  }
 </select>
 }
}

import React from 'react'
import Const from './const'

export default class App extends React.Component {
 render () {
 return <select>
  {
  Const.selectOptions.map(item => {
   return <option key={item.value} value={item.value}>
   {$AI(item.$_name, item.name)} {/*唯一需要修改的地方*/}
   </option>
  })
  }
 </select>
 }
}

// 编译后的const.js
// 所有的中文对应的字段，自动添加$_前缀，值为对应中文的uuidKey

export default Const = {
 selectOptions: [{
 name: '学生',
 $_name: "I_2gaaanh",
 value: 'student'
 }, {
 name: '教师',
 $_name: "I_2aq02r1",
 value: 'teacher'
 }]
};

import React from 'react'
export default class App extends React.Component {
 render () {
 return <div>
  <header>这是标题</header>
  <div title='这是提示文字'>
  <p>这是内容</p>
  </div>
  <footer>{this.state.title}</footer>
 </div>
 }
}

import React from 'react'
export default class App extends React.Component {
 render () {
 return <div>
  <header>{$AI('I_5wtgbv1', '这是标题')}</header>
  <div title={$AI('I_7reuhi4', '这是提示文字')}>
  <p>{$AI('I_4ximl4b', '这是内容')}</p>
  </div>
  <footer>{this.state.title}</footer>
 </div>
 }
}