我正在使用“ react-places-autocomplete”库。我了解我必须使用我的密钥加载API。我不知道要在哪里放置密钥的脚本,以便程序能够正常工作。
我看到了一个StackOverflow页面,有人说要在index.js中静态加载它,我尝试过:
import 'react-places-autocomplete';
...
ReactDOM.render(
<div>
<BrowserRouter>
<App />
</BrowserRouter>
<script src="https://maps.googleapis.com/maps/api/js?
key=MY_KEY&libraries=places"></script>
</div>
, document.getElementById('root'));
这是行不通的,我也尝试过直接将其加载到组件中(这似乎不正确):
class My_Component extends React.Component {
...
render() {
return (
<div>
<script src="https://maps.googleapis.com/maps/api/js?
key=MY_KEY&libraries=places"></script>
<PlacesAutocomplete
value={this.state.address}
onChange={this.handleChange}
onSelect={this.handleSelect}
>
....
</div>
);
}
}
使用这些方法,我不断收到“必须加载Google Maps JavaScript API库”错误,并且我查看了文档,它没有指定标记的放置位置,只是将其放置在某个位置。
我在我的一个项目中用过这种方式
class PlacesAutocomplete1 extends React.Component {
constructor(props) {
super(props);
this.state = {
googleMapsReady: false,
};
}
componentDidMount() {
script is loaded here and state is set to true after loading
this.loadGoogleMaps(() => {
// Work to do after the library loads.
this.setState({ googleMapsReady: true });
});
}
componentWillUnmount() {
// unload script when needed to avoid multiple google scripts loaded warning
this.unloadGoogleMaps();
}
loadGoogleMaps = callback => {
const existingScript = document.getElementById("googlePlacesScript");
if (!existingScript) {
const script = document.createElement("script");
script.src =
"https://maps.googleapis.com/maps/api/js?key=YOUR_KEY&libraries=places";
script.id = "googleMaps";
document.body.appendChild(script);
//action to do after a script is loaded in our case setState
script.onload = () => {
if (callback) callback();
};
}
if (existingScript && callback) callback();
};
unloadGoogleMaps = () => {
let googlePlacesScript = document.getElementById("googlePlacesScript");
if (googlePlacesScript) {
googlePlacesScript.remove();
}
};
render() {
if (!this.state.googleMapsReady) {
return <p>Loading</p>;
}
return (
// do something you needed when script is loaded
}
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