摘要：
函数式组件中 定义默认的props import React from 'react' export const Demo: React.FC = () => { return ( <div> <Count count={1} /> <Comp count={100} age={21}></Comp 阅读全文
摘要：
import React from 'react' interface AppContextInterface { name: string author: string url: string } const sampleAppContext: AppContextInterface = { na 阅读全文