Chat.js

import React, { useEffect, useState } from 'react';
import { Form, Button, Row } from 'react-bootstrap';


function Chat(props) {
  // const [username, setUsername] = useState('')
  let defaultname = sessionStorage.getItem('name');
  // const [newName, setNewName] = useState({ username: '' });
  // const [state, setState] = useState(false);

  function handleChange(e) {
    e.preventDefault()
    props.setInner(e.target.value)
    console.log(e.target.value)
  }

  function sendMsgCH(e) {
    props.sendMsg(e)
  }

  // const saveChange = (e) => {
  //   const { name, value } = e.target
  //   setNewName({ ...newName, [name]: value })
  // }

  // const handleSubmit = (e) => {
  //   e.preventDefault()
  //   setState(true)
  // }

  return (

    <div className="chat" id="chat" style={{ border: "2px solid", height: "300%", margin: "1%", borderColor: "#BDBDBD" }}>
      <Button variant="light" onClick={props.handleChatc} >{`<`}</Button>

      <Form onSubmit={handleSubmit}>
        <Form.Control name='newname' type='text' onChange={saveChange} />
        <Button variant="primary" type="submit">전송</Button>
      </Form>

      <h2>현재 {props.roomName} 입니다.</h2>
      {      props.chatmsg.map((value, index) => (
        <Row key={index} className='ml-3'>
          {props.roomName}에서 {defaultname}님이 보낸 메세지 : {value}
        </Row>
      ))}

      <Form onSubmit={sendMsgCH}>
        <Form.Control name='msg' type='text' onChange={handleChange} />
        <Button variant="primary" type="submit">전송</Button>
      </Form>
    </div>


  );
}

export default Chat;