问题描述
我正在构建一个实时聊天应用程序,无法清除输入字段。提交表单后,我希望清除输入字段。我将状态更改为空状态,但根本无法正常工作。
import React,{ useState,useEffect,useContext } from 'react'
import io from 'socket.io-client'
import './ChatRoom.css'
import { ChatContext } from '../ChatContext'
import ScrollToBottom from 'react-scroll-to-bottom'
const ChatRoom = () => {
const { userName,setUserName } = useContext(ChatContext)
const { roomCode,setRoomCode } = useContext(ChatContext)
const [message,setMessage] = useState('')
const [chats,setChats] = useState([])
const handleMessage = (e) => {
var newMessage = e.currentTarget.value
// console.log(newMessage)
setMessage(newMessage)
}
const handleSubmit = (e) => {
e.preventDefault()
console.log('Message submitted')
setMessage("")
}
return (
<>
<div className="top-container">
<h2>123</h2>
</div>
<div className="chat-container">
{/* {renderChat()} */}
<h1>hello</h1>
</div>
<form className="form-inline" onSubmit={handleSubmit}>
<input type="text" onChange={handleMessage} className="form-control mb-2 mr-sm-2" id="inlineFormInputName2" placeholder="Type your message here..."/>
<button type="submit" className="btn btn-primary mb-2">Send</button>
</form>
</>
)
}
export default ChatRoom;
解决方法
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