如何使用react-google-maps包进行缩放并专注于标记位置 [英] How to focus on the marker position with zoom in react using react-google-maps package
本文介绍了如何使用react-google-maps包进行缩放并专注于标记位置的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何通过变焦聚焦到标记位置.当标记位置更改为其他位置后,我需要手动放大和缩小并转到市场位置.
How to focus with zoom to the marker position. Once the marker position changes to different location I need to manually zoom in and out and go to the market location.
从字面上看,我需要手动滚动并缩放到标记的位置,这很困难.
Literally I need to manually scroll and zoom into the position of the marker which is difficult.
我正在使用 https://github.com/tomchentw/react-google-地图 包
I am using https://github.com/tomchentw/react-google-maps package
下面的代码的示例输出.
Sample output of below code.
import React from 'react';
import { compose, withStateHandlers } from "recompose";
import { InfoWindow, withGoogleMap, withScriptjs, GoogleMap, Marker } from 'react-google-maps';
const Map = compose(
withGoogleMap
)
(props =>
<GoogleMap
defaultZoom={8}
defaultCenter={props.markerPosition}
>
<Marker position={props.markerPosition} />
</GoogleMap>
)
export default class MapContainer extends React.Component {
state = {
list: [
{ lat: 57.340204, lng: 41.069438 },
{ lat: 12.991792, lng: 77.566020 },
{ lat: -29.556185, lng: 22.508060 },
{ lat: 35.010270, lng: -88.409909 },
],
coordinates: { lat: -34.397, lng: 150.644 }
}
onBtnClick() {
const min = 1, max = 4;
const no = Math.floor(Math.random() * (max - min + 1) ) + min;
this.setState({
coordinates: this.state.list[no-1]
});
}
render() {
return (
<div style={{ height: '100%' }}>
<input
type="button" value="Change Marker Position"
style={{ marginBottom: "20px" }}
onClick={(e) => this.onBtnClick()}
/>
<Map
markerPosition={this.state.coordinates}
googleMapURL="https://maps.googleapis.com/maps/api/js?key=AIzaSyAvcDy5ZYc2ujCS6TTtI3RYX5QmuoV8Ffw"
loadingElement={<div style={{ height: `100%` }} />}
containerElement={<div style={{ height: `400px` }} />}
mapElement={<div style={{ height: `100%` }} />}
/>
</div>
)
}
}
推荐答案
通过将 defaultZoom
更改为 zoom
,将 defaultCenter
更改为居中
fixed it by changing defaultZoom
to zoom
and defaultCenter
to center
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