2 reactjs
代码:
const Chat = props => {
const dispatch = useDispatch();
const messages = useSelector(state => state.Chat);
const [text, setText] = React.useState('');
return (
<Styled.ChatBox>
<Styled.ChatHeader>
<p>Chat Bot</p>
<div>
<FontAwesomeIcon icon={faAngleDown} size="1x" color="white" />
<FontAwesomeIcon icon={faTimes} size="1x" color="white" />
</div>
</Styled.ChatHeader>
<Styled.ChatLog>
{/* <Styled.MessageWrapper bot={true}>
<Styled.BotImg src={BotLogo} bot={true} />
<Styled.ChatMessage bot={true}>
dsasasasasasasasasasa
</Styled.ChatMessage>
</Styled.MessageWrapper> */}
{messages.map(message => (
<Styled.MessageWrapper bot={true}>
<Styled.BotImg src={BotLogo} bot={false} />
<Styled.ChatMessage bot={true}>{message.text}</Styled.ChatMessage>
</Styled.MessageWrapper>
))}
</Styled.ChatLog>
<Styled.ChatInput>
<textarea
value={text}
onChange={e => setText(e.target.value)}
placeholder="Digite aqui sua mensagem"
/>
<button onClick={() => dispatch(sendMessage(text))}>
<FontAwesomeIcon icon={faPaperPlane} size="lg" color="black" />
</button>
</Styled.ChatInput>
</Styled.ChatBox>
);
};
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您好,我怀疑如何在我的 textarea 中不允许换行并在按下按钮按钮时清理它当我的 click 事件被调用时清除 textarea 字段
只需防止这样的默认值Enter:
<textarea onKeyPress={e => {
if(e.key === 'Enter')
e.preventDefault()
}}
/>
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