React中发送验证码,倒计时
作者:互联网
render () {
return (
<label>验 证 码:</label>
<div className="flexBetween"> <Input type="text" className="code-input" value={code} onChange={this.onChange.bind(this, 'code')} placeholder="请输入" autoComplete="off" /> <Button type="primary" className="code-btn" onClick={this.onChange.bind(this, 'sendCode')}> { isSend ? count + 's' : '发送验证码'} </Button> </div>)
}
this.state = {
isSend: false,
count: 60,
}
onChange(key, value) { const { tell } = this.state if (key === 'sendCode') { this.setInterval() } }
setInterval = () => { this.timer = setInterval(this.countDown, 1000) } countDown = () => { const { count } = this.state if (count === 1) { this.clearInterval() this.setState({ isSend: false, count: 60 }) } else { this.setState({ isSend: true, count: count - 1 }) } } clearInterval = () => { clearInterval(this.timer) }
标签:count,倒计时,isSend,setInterval,clearInterval,60,验证码,React,state 来源: https://www.cnblogs.com/qianxiaoniantianxin/p/14777026.html