自定义覆盖物，被清除时报错。

[fukai2952]

import React, { Component } from 'react';
import ReactDOM from 'react-dom';
import {
Map,
Overlay,
CustomOverlay as Custom,
Base,
} from 'rc-bmap';

const { Point } = Base;

@Custom
class CustomOverlay extends Component {
render() {
return (

这是一个自定义图层

);
}
}

class Example extends React.Component {

state={show:true}
componentWillMount()
{
setTimeout(()=>{
this.setState({show:false})
},5000)
}
render() {
return (
<div style={{ height: '100vh' }}>


{
this.state.show ?



:null
}


);
}
}

ReactDOM.render(
,
document.getElementById('root'),
);