Das
PlaceSearchElement
ist ein HTML-Element, das die Ergebnisse einer Ortssuche in einer Liste rendert. Es
gibt zwei Möglichkeiten, das gmp-place-search Element zu konfigurieren:
-
Wenn Sie in einem bestimmten Gebiet nach Orten eines bestimmten Typs suchen möchten, verwenden Sie
die Anfrage „Search nearby“, um Such
ergebnisse mit dem
PlaceNearbySearchRequestElementzu rendern. -
Wenn Sie in einem bestimmten Gebiet anhand einer Textabfrage nach Orten suchen möchten, verwenden Sie
die Anfrage „Search by text“, um
Suchergebnisse mit dem
PlaceTextSearchRequestElementzu rendern.
Anfrage „Search nearby“
Wählen Sie im Menü einen Ortstyp aus, um Suchergebnisse in der Nähe für diesen Ortstyp zu sehen.
Die Suche in der Nähe ist hauptsächlich so konfiguriert, dass nach Ortstyp und
Standort gesucht wird. Die Ergebnisse können mit der
rankPreference Property nach Entfernung oder Beliebtheit sortiert werden. Weitere Informationen finden Sie in der Referenzdokumentation zur
PlaceNearbySearchRequestElement
Klasse.
In diesem Beispiel wird das Element „Place Search“ als Antwort auf eine Suche in der Nähe mit einem vom Nutzer ausgewählten Ortstyp gerendert. Außerdem wird ein PlaceDetailsCompactElement für den ausgewählten Ort angezeigt.
Vollständiges Codebeispiel ansehen
Wenn Sie das Element „Place Search“ der Karte hinzufügen möchten, fügen Sie der HTML-Seite ein
gmp-place-search Element mit einem verschachtelten
gmp-place-nearby-search-request Element hinzu.
<gmp-place-search selectable>
<gmp-place-all-content></gmp-place-all-content>
<gmp-place-nearby-search-request
max-result-count="5"></gmp-place-nearby-search-request>
</gmp-place-search>
Mit dem select Element kann der Nutzer im Menü einen Ortstyp auswählen. Aus Gründen der Einfachheit sind nur drei Ortstypen aufgeführt: Restaurant, Café,
und Ladestation für Elektrofahrzeuge.
<div class="controls">
<label for="type-select">
Select a place type:
<select id="type-select" class="type-select">
<option value="restaurant">Restaurant</option>
<option value="cafe" selected>Cafe</option>
<option value="electric_vehicle_charging_station">
EV charging station
</option>
</select>
</label>
</div>
Wenn der Nutzer im Menü einen Ortstyp auswählt, wird das
gmp-place-nearby-search-request Element aktualisiert und das Element „Place
Search“ zeigt die Ergebnisse an, wie in den folgenden Snippets zu sehen ist.
Markierungen werden in der Hilfsfunktion addMarkers hinzugefügt.
// Add event listeners to the type select and place search elements. typeSelect.addEventListener('change', () => { searchPlaces(); }); placeSearch.addEventListener('gmp-select', (event) => { const { place } = event; markers.get(place.id)?.click(); }); placeSearch.addEventListener('gmp-load', () => { void addMarkers(); }); searchPlaces(); }
// The searchPlaces function is called when the user changes the type select or when the page loads. function searchPlaces() { // Close the info window and clear the markers. infoWindow.close(); for (const marker of markers.values()) { marker.remove(); } markers.clear(); // Set the place search query and add an event listener to the place search element. if (typeSelect.value) { const center = map.center; placeSearchQuery.locationRestriction = { center, radius: 50000, // 50km radius }; placeSearchQuery.includedTypes = [typeSelect.value]; } }
Vollständiges Codebeispiel
JavaScript
// Query selectors for various elements in the HTML file. const map = document.querySelector('gmp-map'); const placeSearch = document.querySelector('gmp-place-search'); const placeSearchQuery = document.querySelector( 'gmp-place-nearby-search-request' ); const placeDetails = document.querySelector('gmp-place-details-compact'); const placeRequest = document.querySelector('gmp-place-details-place-request'); const typeSelect = document.querySelector('.type-select'); // Global variables for the map, markers, and info window. const markers = new Map(); let infoWindow; // The init function is called when the page loads. async function init() { // Import the necessary libraries from the Google Maps API. const [{ InfoWindow }] = await Promise.all([ google.maps.importLibrary('maps'), google.maps.importLibrary('places'), ]); // Create a new info window and set its content to the place details element. placeDetails.remove(); // Hide the place details element because it is not needed until the info window opens infoWindow = new InfoWindow({ content: placeDetails, ariaLabel: 'Place Details', }); // Set the map options. map.innerMap.setOptions({ clickableIcons: false, mapTypeControl: false, streetViewControl: false, }); // Add event listeners to the type select and place search elements. typeSelect.addEventListener('change', () => { searchPlaces(); }); placeSearch.addEventListener('gmp-select', (event) => { const { place } = event; markers.get(place.id)?.click(); }); placeSearch.addEventListener('gmp-load', () => { void addMarkers(); }); searchPlaces(); } // The searchPlaces function is called when the user changes the type select or when the page loads. function searchPlaces() { // Close the info window and clear the markers. infoWindow.close(); for (const marker of markers.values()) { marker.remove(); } markers.clear(); // Set the place search query and add an event listener to the place search element. if (typeSelect.value) { const center = map.center; placeSearchQuery.locationRestriction = { center, radius: 50000, // 50km radius }; placeSearchQuery.includedTypes = [typeSelect.value]; } } // The addMarkers function is called when the place search element loads. async function addMarkers() { // Import the necessary libraries from the Google Maps API. const [{ AdvancedMarkerElement }, { LatLngBounds }] = await Promise.all([ google.maps.importLibrary('marker'), google.maps.importLibrary('core'), ]); const bounds = new LatLngBounds(); if (placeSearch.places.length === 0) { return; } for (const place of placeSearch.places) { if (!place.location) continue; const marker = new AdvancedMarkerElement({ map: map.innerMap, position: place.location, collisionBehavior: 'REQUIRED_AND_HIDES_OPTIONAL', }); markers.set(place.id, marker); bounds.extend(place.location); marker.addListener('click', () => { placeRequest.place = place; infoWindow.open(map.innerMap, marker); }); } map.innerMap.fitBounds(bounds); } void init();
CSS
html, body { height: 100%; margin: 0; } body { display: flex; flex-direction: column; font-family: Arial, Helvetica, sans-serif; } .container { display: flex; height: 100vh; width: 100%; } gmp-map { flex-grow: 1; } .ui-panel { width: 400px; margin-left: 20px; margin-top: 10px; overflow-y: auto; font-family: Arial, Helvetica, sans-serif; } .list-container { display: flex; flex-direction: column; } gmp-place-search { width: 100%; margin: 0; border: none; color-scheme: light; }
HTML
<!doctype html>
<html>
<head>
<title>Place Search Nearby with Google Maps</title>
<meta charset="utf-8" />
<link rel="stylesheet" type="text/css" href="style.css" />
<script type="module" src="./index.js"></script>
<script>
// prettier-ignore
(g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
key: "GOOGLE_MAPS_API_KEY"
});
</script>
</head>
<body>
<div class="container">
<!-- map-id is required to use advanced markers. See https://developers.google.com/maps/documentation/javascript/map-ids/mapid-over. -->
<gmp-map center="-37.813,144.963" zoom="16" map-id="DEMO_MAP_ID">
</gmp-map>
<div class="ui-panel">
<div class="controls">
<label for="type-select">
Select a place type:
<select id="type-select" class="type-select">
<option value="restaurant">Restaurant</option>
<option value="cafe" selected>Cafe</option>
<option value="electric_vehicle_charging_station">
EV charging station
</option>
</select>
</label>
</div>
<div class="list-container">
<gmp-place-search selectable>
<gmp-place-all-content></gmp-place-all-content>
<gmp-place-nearby-search-request
max-result-count="5"></gmp-place-nearby-search-request>
</gmp-place-search>
</div>
</div>
</div>
<!--
The gmp-place-details-compact element is styled inline because it is
conditionally rendered and moved into the info window, which is
part of the map's shadow DOM.
-->
<gmp-place-details-compact
orientation="horizontal"
truncation-preferred
style="
width: 400px;
padding: 0;
margin: 0;
border: none;
background-color: transparent;
color-scheme: light;
">
<gmp-place-details-place-request></gmp-place-details-place-request>
<gmp-place-content-config>
<gmp-place-media></gmp-place-media>
<gmp-place-rating></gmp-place-rating>
<gmp-place-price></gmp-place-price>
<gmp-place-accessible-entrance-icon></gmp-place-accessible-entrance-icon>
<gmp-place-open-now-status></gmp-place-open-now-status>
<gmp-place-attribution
light-scheme-color="gray"
dark-scheme-color="white"></gmp-place-attribution>
</gmp-place-content-config>
</gmp-place-details-compact>
</body>
</html>Anfrage „Search by text“
Geben Sie einen Suchbegriff in das Eingabefeld ein und klicken Sie auf die Schaltfläche Suchen , um eine Liste von Orten zu erhalten, die dem Begriff entsprechen.
Die Textsuche ist hauptsächlich so konfiguriert, dass anhand einer Textabfrage und
eines Standorts gesucht wird. Die Ergebnisse können nach Preisklasse, Bewertung und danach gefiltert werden, ob der Ort derzeit geöffnet ist. Die Ergebnisse können auch nach Entfernung oder Beliebtheit
mit der rankPreference Property sortiert werden. Weitere Informationen finden Sie in der Referenzdokumentation zur
PlaceTextSearchRequestElement
Klasse.
In diesem Beispiel wird das Element „Place Search“ als Antwort auf eine Texteingabe des Nutzers gerendert. Außerdem wird ein PlaceDetailsCompactElement für den ausgewählten Ort angezeigt.
Vollständiges Codebeispiel ansehen
Wenn Sie das Element „Place Search“ der Karte hinzufügen möchten, fügen Sie der HTML-Seite ein
gmp-place-search Element mit einem verschachtelten
gmp-place-search-text-search-request Element hinzu.
<gmp-place-search selectable>
<gmp-place-all-content></gmp-place-all-content>
<gmp-place-text-search-request
max-result-count="5"></gmp-place-nearby-search-request>
</gmp-place-search>
Mit dem Element input kann der Nutzer Suchtext eingeben.
<div class="controls">
<input
type="text"
id="query-input"
class="query-input"
placeholder="Search for a place"
value="cafe" />
<button id="search-button" class="search-button">
Search
</button>
</div>
Wenn der Nutzer auf die Schaltfläche Suchen klickt, wird die Suchfunktion ausgeführt, das
gmp-place-text-search-request Element wird aktualisiert und das Element „Place
Search“ zeigt die Ergebnisse an, wie in den folgenden Snippets zu sehen ist.
Markierungen werden in der Hilfsfunktion addMarkers hinzugefügt.
// Add event listeners to the query input and place search elements. searchButton.addEventListener('click', () => { searchPlaces(); }); queryInput.addEventListener('keydown', (event) => { if (event.key === 'Enter') { searchPlaces(); } }); placeSearch.addEventListener('gmp-select', (event) => { const { place } = event; markers.get(place.id)?.click(); }); placeSearch.addEventListener('gmp-load', () => { void addMarkers(); }); searchPlaces(); }
// The searchPlaces function is called when the user changes the query input or when the page loads. function searchPlaces() { // Close the info window and clear the markers. infoWindow.close(); for (const marker of markers.values()) { marker.remove(); } markers.clear(); // Set the place search query and add an event listener to the place search element. if (queryInput.value) { const center = map.center; if (center) { placeSearchQuery.locationBias = center; } // The textQuery property is required for the search element to load. // Any other configured properties will be ignored if textQuery is not set. placeSearchQuery.textQuery = queryInput.value; } }
Vollständiges Codebeispiel
JavaScript
// Query selectors for various elements in the HTML file. const map = document.querySelector('gmp-map'); const placeSearch = document.querySelector('gmp-place-search'); const placeSearchQuery = document.querySelector( 'gmp-place-text-search-request' ); const placeDetails = document.querySelector('gmp-place-details-compact'); const placeRequest = document.querySelector('gmp-place-details-place-request'); const queryInput = document.querySelector('.query-input'); const searchButton = document.querySelector('.search-button'); // Global variables for the map, markers, and info window. const markers = new Map(); let infoWindow; // The init function is called when the page loads. async function init() { // Import the necessary libraries from the Google Maps API. const [{ InfoWindow }] = await Promise.all([ google.maps.importLibrary('maps'), google.maps.importLibrary('places'), ]); // Create a new info window and set its content to the place details element. placeDetails.remove(); // Hide the place details element because it is not needed until the info window opens infoWindow = new InfoWindow({ content: placeDetails, ariaLabel: 'Place Details', }); // Set the map options. map.innerMap.setOptions({ clickableIcons: false, mapTypeControl: false, streetViewControl: false, }); // Add event listeners to the query input and place search elements. searchButton.addEventListener('click', () => { searchPlaces(); }); queryInput.addEventListener('keydown', (event) => { if (event.key === 'Enter') { searchPlaces(); } }); placeSearch.addEventListener('gmp-select', (event) => { const { place } = event; markers.get(place.id)?.click(); }); placeSearch.addEventListener('gmp-load', () => { void addMarkers(); }); searchPlaces(); } // The searchPlaces function is called when the user changes the query input or when the page loads. function searchPlaces() { // Close the info window and clear the markers. infoWindow.close(); for (const marker of markers.values()) { marker.remove(); } markers.clear(); // Set the place search query and add an event listener to the place search element. if (queryInput.value) { const center = map.center; if (center) { placeSearchQuery.locationBias = center; } // The textQuery property is required for the search element to load. // Any other configured properties will be ignored if textQuery is not set. placeSearchQuery.textQuery = queryInput.value; } } // The addMarkers function is called when the place search element loads. async function addMarkers() { // Import the necessary libraries from the Google Maps API. const [{ AdvancedMarkerElement }, { LatLngBounds }] = await Promise.all([ google.maps.importLibrary('marker'), google.maps.importLibrary('core'), ]); const bounds = new LatLngBounds(); if (placeSearch.places.length === 0) { return; } for (const place of placeSearch.places) { if (!place.location) { continue; } const marker = new AdvancedMarkerElement({ map: map.innerMap, position: place.location, collisionBehavior: 'REQUIRED_AND_HIDES_OPTIONAL', }); markers.set(place.id, marker); bounds.extend(place.location); marker.addListener('click', () => { placeRequest.place = place; infoWindow.open(map.innerMap, marker); }); } map.innerMap.fitBounds(bounds); } void init();
CSS
html, body { height: 100%; margin: 0; } body { display: flex; flex-direction: column; font-family: Arial, Helvetica, sans-serif; } .container { display: flex; height: 100vh; width: 100%; } gmp-map { flex-grow: 1; } .ui-panel { width: 400px; margin-left: 20px; margin-right: 20px; margin-top: 10px; overflow-y: auto; font-family: Arial, Helvetica, sans-serif; } .list-container { display: flex; flex-direction: column; } gmp-place-search { width: 100%; margin: 0; border: none; color-scheme: light; } .query-input { width: 100%; padding: 8px; margin-bottom: 10px; box-sizing: border-box; } .search-button { width: 100%; padding: 8px; margin-bottom: 10px; box-sizing: border-box; background-color: #1a73e8; color: white; border: none; cursor: pointer; } .search-button:hover, .search-button:focus-visible { background-color: #1765cc; }
HTML
<!doctype html>
<html>
<head>
<title>Place Text Search with Google Maps</title>
<meta charset="utf-8" />
<link rel="stylesheet" type="text/css" href="style.css" />
<script type="module" src="./index.js"></script>
<script>
// prettier-ignore
(g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
key: "GOOGLE_MAPS_API_KEY"
});
</script>
</head>
<body>
<div class="container">
<div class="ui-panel">
<div class="controls">
<input
type="text"
id="query-input"
class="query-input"
placeholder="Search for a place"
value="cafe" />
<button class="search-button">Search</button>
</div>
<div class="list-container">
<gmp-place-search selectable>
<gmp-place-all-content></gmp-place-all-content>
<gmp-place-text-search-request
max-result-count="5"></gmp-place-text-search-request>
</gmp-place-search>
</div>
</div>
<!-- map-id is required to use advanced markers. See https://developers.google.com/maps/documentation/javascript/map-ids/mapid-over. -->
<gmp-map center="-37.813,144.963" zoom="16" map-id="DEMO_MAP_ID">
</gmp-map>
</div>
<!--
The gmp-place-details-compact element is styled inline because it is
conditionally rendered and moved into the info window, which is
part of the map's shadow DOM.
-->
<gmp-place-details-compact
orientation="horizontal"
truncation-preferred
style="
width: 400px;
padding: 0;
margin: 0;
border: none;
background-color: transparent;
color-scheme: light;
">
<gmp-place-details-place-request></gmp-place-details-place-request>
<gmp-place-content-config>
<gmp-place-media></gmp-place-media>
<gmp-place-rating></gmp-place-rating>
<gmp-place-price></gmp-place-price>
<gmp-place-accessible-entrance-icon></gmp-place-accessible-entrance-icon>
<gmp-place-open-now-status></gmp-place-open-now-status>
<gmp-place-attribution
light-scheme-color="gray"
dark-scheme-color="white"></gmp-place-attribution>
</gmp-place-content-config>
</gmp-place-details-compact>
</body>
</html>