React时间转换为具体的年月日上午下午

export default class index extends Component {

constructor() {

super();

this.state = { date: new Date() };

}

componentWillMount() {

this.timer = setInterval(() => { this.setState({ date: new Date() }) }, 1000);

}

componentWillUnmount() {

clearInterval(this.timer);

this.timer = null;

}

 

render() {

let t = this.state.date;

let year = t.getFullYear();

let month = t.getMonth() + 1;

let day = t.getDay() + 1;

let hour = ((t.getHours() < 10) ? "0" : "") + t.getHours();

let minutes = ((t.getMinutes() < 10) ? "0" : "") + t.getMinutes();

let ifnoon = ' ' + ((t.getHours() < 12) ? "上午" : "下午") + ' ';

return (

<div className="header">

<Row className="breadcrumb">

<Col span={4} className="breadcrumb-title">首页</Col>

<Col span={20} className="weather">

<span className="date">{year + '/' + month + '/' + day + ifnoon + hour + ':' + minutes}</span>

</Col>

</Row>

</div>

)

}

}