react之高阶组件（二）

 1 import React, { Component } from ‘react‘
 2 import A from ‘./A‘
 3 
 4 class C extends Component {
 5     render() {
 6         return (
 7             <div>
 8                 <div className="title">组件C</div>
 9             </div>
10         )
11     }
12 }
13 
14 export default A(C)

 1 "babel": {
 2     "presets": [
 3       "react-app"
 4     ],
 5     "plugins": [
 6       [
 7         "@babel/plugin-proposal-decorators",
 8         {
 9           "legacy": true
10         }
11       ]
12     ]
13   },

 1 import React, { Component } from ‘react‘
 2 import A from ‘./A‘
 3 
 4 @A
 5 class B extends Component {
 6     render() {
 7         return (
 8             <div>
 9                 <div className="title">组件B</div>
10             </div>
11         )
12     }
13 }
14 
15 export default B