微语:代码适合中午敲,早晚出BUG
React中input如何进行双向绑定 React
通过onChange或者onInput事件触发useState中修改值的函数
import { useState } from 'react';
function App() {
let [accValue, setAcc] = useState('')
return (
<div className="App">
<input type="text" value={accValue} onChange={e => { setAcc(e.target.value) }} />
<span>{accValue}</span>
</div>
);
}
export default App;