f248ca05
 Zhang Zhuo
初始化版本 -张卓
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import React, { Component } from "react"
import moment from "./lib/moment"
import "./timer.css"
export default class Timer extends Component {
constructor() {
super();
this.state = {
showDateTime: "",
classInfo: ""
}
}
static getDerivedStateFromProps(props, state) {
let { className } = props
if (className !== state.className) {
return {
classInfo: className
}
}
return null;
}
forShowDateTime() {
let { type = "YYYY-MM-DD HH:mm:ss" } = this.props;
this.setState({
showDateTime: moment().format(type)
})
}
componentDidMount() {
this.forShowDateTime()
this.timer = setInterval(() => {
this.forShowDateTime()
}, 1000)
}
render() {
let { classInfo, showDateTime } = this.state;
return (<div className="timerComCss">
<p className={classInfo}>{showDateTime}</p>
</div>)
}
}
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