// v3之前的版本
npm i --save react-area-linkage

// v3及之后的版本
npm i --save react-area-linkage area-data

// v3之前的版本
yarn add react-area-linkage

// v3及之后的版本
yarn add react-area-linkage area-data

import React from 'react';
import ReactDOM from 'react-dom';
import { pca, pcaa } from 'area-data'; // v3 or higher
import 'react-area-linkage/dist/index.css'; // v2 or higher
import { AreaSelect, AreaCascader } from 'react-area-linkage';

// basic
<AreaSelect onChange={this.selectedChange} data={pca} />
<AreaCascader onChange={this.selectedChange} data={pcaa}/>

//setting
<AreaSelect type='all' level={2} data={pcaa} onChange={this.selectedChange} />
<AreaCascader type='all' onChange={this.selectedChange} level={1} data={pcaa} />

npm i babel-plugin-on-demand-import -D

{
    // ...
    "plugins": [
        ["on-demand-import" {
            "libraryName": "react-area-linkage",
            "libraryPath": "dist/lib"
        }]
    ]
}

import 'react-area-linkage/dist/index.css'; // v2 or higher
import pcaa from 'area-data/pcaa';
// Only import AreaCascader component
import { AreaCascader } from 'react-area-linkage';

<AreaCascader onChange={this.selectedChange} level={2} data={pcaa}></AreaCascader>

// Only import AreaSelect component
import { AreaSelect } from 'react-area-linkage'; 

<AreaSelect onChange={this.selectedChange} level={1} data={pcaa}></AreaSelect>