react 后台(一) react + redux + react-route + webpack+ axios + antd + less
create-react-app 项目名称(项目失败,ant 的样式出不来)
项目技术栈
react + redux + react-route + webpack+ axios + less + antd
使用create-react-app 创建的项目默认不支持less,以下增加less配置的步骤
暴露配置文件
create-react-app生成的项目文,看不到webpack相关的配置文件,需要先暴露出来,使用如下命令即可:
npm run eject
安装less-loader 和 less
npm install less-loader less --save-dev
yarn less-loader less//这个执行不行
此时没有webpack.config.js文件,然后执行npm run eject暴露webpack.config.js文件,在config文件夹里(此操作不可逆)
运行后如果无法启动,执行 npm install
老版修改方式
修改webpack配置
修改 webpack.config.dev.js 和 webpack.config-prod.js 配置文件
改动1: /\.css$/ 改为 /\.(css|less)$/,, 修改后如下: exclude: [ /\.html$/, /\.(js|jsx)$/, /\.(css|less)$/, /\.json$/, /\.bmp$/, /\.gif$/, /\.jpe?g$/, /\.png$/, ], 改动2: test: /\.css$/ 改为 /\.(css|less)$/
新版修改方式
config文件此目录 webpack.config.js
1
// style files regexes const cssRegex = /\.css$/; const cssModuleRegex = /\.module\.css$/; const sassRegex = /\.(scss|sass)$/; const sassModuleRegex = /\.module\.(scss|sass)$/;
改为
// style files regexes const cssRegex = /\.(css|less)$/; const cssModuleRegex = /\.module\.css$/; const sassRegex = /\.(scss|sass)$/; const sassModuleRegex = /\.module\.(scss|sass)$/;
2
// common function to get style loaders const getStyleLoaders = (cssOptions, preProcessor) => { const loaders = [ isEnvDevelopment && require.resolve('style-loader'), isEnvProduction && { loader: MiniCssExtractPlugin.loader, options: shouldUseRelativeAssetPaths ? { publicPath: '../../' } : {}, }, { loader: require.resolve('css-loader'), options: cssOptions, }, {
增加代码
const getStyleLoaders = (cssOptions, preProcessor) => { const loaders = [ isEnvDevelopment && require.resolve('style-loader'), isEnvProduction && { loader: MiniCssExtractPlugin.loader, options: shouldUseRelativeAssetPaths ? { publicPath: '../../' } : {}, }, { loader: require.resolve('css-loader'), options: cssOptions, }, , { loader: require.resolve('less-loader'), options: cssOptions, },
先验证less是否可以
import './app.less';
如果antd引入的组件还是不展示样式
在引入的页面添加
import 'antd/dist/antd.css';
刷新就能看到样式了
如果想实现按需加载antd,需要引入
yarn add babel-plugin-import
修改 package.json,添加下面代码就可以去掉 import 'antd/dist/antd.css'; 了
"babel": { "presets": [ "react-app" ], "plugins": [ ["import", { "libraryName": "antd", "libraryDirectory": "es", "style": "css" }] ] }
在或者接着添加 customize-cra
yarn add customize-cra
创建文件 config-overrides.js
const { override, fixBabelImports } = require('customize-cra'); module.exports = override( fixBabelImports('import', { libraryName: 'antd', libraryDirectory: 'es', style: 'css', }), );
然后重启运行
yarn add antd
yarn add axios
yarn add react-redux
yarn add react-router
yarn add react-router-dom
yarn add redux-immutable
yarn add react-router-redux
yarn add redux
yarn add redux-actions
yarn add redux-mock-store
yarn add redux-thunk
yarn add immutable
yarn add echarts
yarn add md5
yarn add rc-queue-anim
yarn add rc-tween-one
yarn add prop-types
如果会用的日期要再引入一个模块,用来格式化日期的
yarn add moment
如果有跨域请求
yarn add fetch-jsonp
import { Select } from 'antd'; import jsonp from 'fetch-jsonp'; import querystring from 'querystring'; const { Option } = Select; let timeout; let currentValue; function fetch(value, callback) { if (timeout) { clearTimeout(timeout); timeout = null; } currentValue = value; function fake() { const str = querystring.encode({ code: 'utf-8', q: value, });
//这里 jsonp(`https://suggest.taobao.com/sug?${str}`) .then(response => response.json()) .then(d => { if (currentValue === value) { const { result } = d; const data = []; result.forEach(r => { data.push({ value: r[0], text: r[0], }); }); callback(data); } }); } timeout = setTimeout(fake, 300); } class SearchInput extends React.Component { state = { data: [], value: undefined, }; handleSearch = value => { fetch(value, data => this.setState({ data })); }; handleChange = value => { this.setState({ value }); }; render() { const options = this.state.data.map(d => <Option key={d.value}>{d.text}</Option>); return ( <Select showSearch value={this.state.value} placeholder={this.props.placeholder} style={this.props.style} defaultActiveFirstOption={false} showArrow={false} filterOption={false} onSearch={this.handleSearch} onChange={this.handleChange} notFoundContent={null} > {options} </Select> ); } } ReactDOM.render(<SearchInput placeholder="input search text" style={{ width: 200 }} />, mountNode);