问Pubnub多次发送消息

EN

class App extends Component {
    constructor(props) {
        super(props);
        this.pubnub = new PubNub({
            publishKey: 'demo',
            subscribeKey: 'demo',
        });
        this.sendMessage = this.sendMessage.bind(this);

    }
    sendMessage() {
        this.pubnub.publish({
            channel: "simple-chat",
            message: {
                text: this.state.currentMesage,
                sender: this.pubnub.getUUID()
            }
        });

        this.setState({
            currentMesage: ''
        });

        this.pubnub.subscribe({
            channels: ['simple-chat'],
            withPresence: true
        });
        this.pubnub.addListener({
            message: (evt) => {
                console.log('you have got a message:' + JSON.stringify(evt));
                this.state.messages.push({
                    text: evt.message.text
                })
                this.setState({
                    messages: this.state.messages
                });
            }
        });
    }

export default App;