Buat penanda untuk titik jalan rute dengan memanggil
createWaypointAdvancedMarkers().
Secara default, createWaypointAdvancedMarkers() membuat penanda untuk rute yang diberi label
'A', 'B', 'C', dll. untuk setiap titik jalan. Anda dapat menyesuaikan penanda lebih lanjut dengan meneruskan
opsi untuk mengubah gaya penanda berdasarkan indeks penanda atau properti
RouteLeg yang sesuai.
Lihat contoh kode sumber yang lengkap
Contoh kode berikut menunjukkan cara membuat penanda kustom untuk titik jalan rute.
TypeScript
let mapPolylines: google.maps.Polyline[] = []; const mapElement = document.querySelector('gmp-map')!; let innerMap: google.maps.Map; // Initialize and add the map. async function init() { // Request the needed libraries. const [{ event }] = await Promise.all([ google.maps.importLibrary('core'), google.maps.importLibrary('maps'), ]); innerMap = mapElement.innerMap; innerMap.setOptions({ mapTypeControl: false, mapId: 'DEMO_MAP_ID', }); // Call the function after the map is loaded. event.addListenerOnce(innerMap, 'idle', () => { void getDirections(); }); } async function getDirections() { // Request the needed libraries. const [{ Route }, { PinElement }] = await Promise.all([ google.maps.importLibrary('routes'), google.maps.importLibrary('marker'), ]); // Define routes request with an intermediate stop. const request: google.maps.routes.ComputeRoutesRequest = { origin: 'Parking lot, Christmas Tree Point Rd, San Francisco, CA 94131', destination: '100 Spinnaker Dr, Sausalito, CA 94965', // We're having a yummy lunch! intermediates: [{ location: '300 Finley Rd San Francisco, CA 94129' }], // But first, we golf! travelMode: 'DRIVING', fields: ['path', 'legs', 'viewport'], }; // Call computeRoutes to get the directions. const result = await Route.computeRoutes(request); if (!result.routes || result.routes.length === 0) { console.warn('No routes found'); return; } // Alter style based on marker index. function markerOptionsMaker( defaultOptions: google.maps.marker.AdvancedMarkerElementOptions, waypointMarkerDetails: google.maps.routes.WaypointMarkerDetails ) { const { index, totalMarkers } = waypointMarkerDetails; // Style the origin waypoint. if (index === 0) { return { ...defaultOptions, title: 'Origin', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'green', borderColor: 'green', scale: 1.5, }), }; } // Style all intermediate waypoints. if (!(index === 0 || index === totalMarkers - 1)) { return { ...defaultOptions, title: `Waypoint ${(index + 1).toString()}`, // Provide label for screenreaders map: innerMap, gmpClickable: true, // Make marker focusable and allow keyboard navigation content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'blue', borderColor: 'blue', scale: 1.5, // Increase size for better visibilty }), }; } // Style the destination waypoint. if (index === totalMarkers - 1) { return { ...defaultOptions, title: 'Destination', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'red', borderColor: 'red', scale: 1.5, }), }; } return { ...defaultOptions, map: innerMap }; } await result.routes[0].createWaypointAdvancedMarkers(markerOptionsMaker); // Fit the map to the route. innerMap.fitBounds(result.routes[0].viewport!); innerMap.setHeading(270); // Create polylines and add them to the map. mapPolylines = result.routes[0].createPolylines(); mapPolylines.forEach((polyline) => { polyline.setMap(innerMap); }); } void init();
JavaScript
let mapPolylines = []; const mapElement = document.querySelector('gmp-map'); let innerMap; // Initialize and add the map. async function init() { // Request the needed libraries. const [{ event }] = await Promise.all([ google.maps.importLibrary('core'), google.maps.importLibrary('maps'), ]); innerMap = mapElement.innerMap; innerMap.setOptions({ mapTypeControl: false, mapId: 'DEMO_MAP_ID', }); // Call the function after the map is loaded. event.addListenerOnce(innerMap, 'idle', () => { void getDirections(); }); } async function getDirections() { // Request the needed libraries. const [{ Route }, { PinElement }] = await Promise.all([ google.maps.importLibrary('routes'), google.maps.importLibrary('marker'), ]); // Define routes request with an intermediate stop. const request = { origin: 'Parking lot, Christmas Tree Point Rd, San Francisco, CA 94131', destination: '100 Spinnaker Dr, Sausalito, CA 94965', // We're having a yummy lunch! intermediates: [{ location: '300 Finley Rd San Francisco, CA 94129' }], // But first, we golf! travelMode: 'DRIVING', fields: ['path', 'legs', 'viewport'], }; // Call computeRoutes to get the directions. const result = await Route.computeRoutes(request); if (!result.routes || result.routes.length === 0) { console.warn('No routes found'); return; } // Alter style based on marker index. function markerOptionsMaker(defaultOptions, waypointMarkerDetails) { const { index, totalMarkers } = waypointMarkerDetails; // Style the origin waypoint. if (index === 0) { return { ...defaultOptions, title: 'Origin', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'green', borderColor: 'green', scale: 1.5, }), }; } // Style all intermediate waypoints. if (!(index === 0 || index === totalMarkers - 1)) { return { ...defaultOptions, title: `Waypoint ${(index + 1).toString()}`, // Provide label for screenreaders map: innerMap, gmpClickable: true, // Make marker focusable and allow keyboard navigation content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'blue', borderColor: 'blue', scale: 1.5, // Increase size for better visibilty }), }; } // Style the destination waypoint. if (index === totalMarkers - 1) { return { ...defaultOptions, title: 'Destination', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'red', borderColor: 'red', scale: 1.5, }), }; } return { ...defaultOptions, map: innerMap }; } await result.routes[0].createWaypointAdvancedMarkers(markerOptionsMaker); // Fit the map to the route. innerMap.fitBounds(result.routes[0].viewport); innerMap.setHeading(270); // Create polylines and add them to the map. mapPolylines = result.routes[0].createPolylines(); mapPolylines.forEach((polyline) => { polyline.setMap(innerMap); }); } void init();
CSS
/* * Always set the map height explicitly to define the size of the div element * that contains the map. */ #map { height: 100%; } /* * Optional: Makes the sample page fill the window. */ html, body { height: 100%; margin: 0; padding: 0; }
HTML
<html>
<head>
<title>Get directions</title>
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
<script>
// prettier-ignore
(g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${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>
<gmp-map center="37.447646, -122.113878" zoom="12"></gmp-map>
</body>
</html>Menambahkan penanda default
Untuk menambahkan penanda menggunakan gaya default, panggil createWaypointAdvancedMarkers()
dengan meneruskan opsi penanda untuk menentukan peta saat ini, seperti yang ditunjukkan dalam cuplikan kode berikut.
// Create markers using default style. const markers = await result.routes[0].createWaypointAdvancedMarkers({ map: innerMap });
Menambahkan penanda dengan gaya kustom
Untuk menambahkan penanda menggunakan gaya kustom, panggil createWaypointAdvancedMarkers()
dengan meneruskan opsi penanda yang mencakup properti gaya kustom. Saat Anda menerapkan gaya seperti ini,
semua penanda akan diberi gaya dengan cara yang sama. Cuplikan kode berikut menunjukkan cara membuat penanda
dengan gaya kustom.
// Create markers with a custom style. const markerOptions = { map: innerMap, content: new PinElement({ scale: 1.5, background: '#8C0DD1', borderColor: '#6D0AA5', glyphColor: '#6D0AA5', }).element } const markers = await result.routes[0].createWaypointAdvancedMarkers(markerOptions);
Menerapkan gaya kustom ke setiap penanda
Untuk menerapkan gaya kustom ke setiap penanda, teruskan fungsi ke createWaypointAdvancedMarkers()
untuk menetapkan opsi gaya penanda berdasarkan indeks penanda atau properti RouteLeg.
Cuplikan kode berikut menunjukkan fungsi untuk membuat penanda dan menatanya berdasarkan
indeks penanda:
TypeScript
// Alter style based on marker index. function markerOptionsMaker( defaultOptions: google.maps.marker.AdvancedMarkerElementOptions, waypointMarkerDetails: google.maps.routes.WaypointMarkerDetails ) { const { index, totalMarkers } = waypointMarkerDetails; // Style the origin waypoint. if (index === 0) { return { ...defaultOptions, title: 'Origin', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'green', borderColor: 'green', scale: 1.5, }), }; } // Style all intermediate waypoints. if (!(index === 0 || index === totalMarkers - 1)) { return { ...defaultOptions, title: `Waypoint ${(index + 1).toString()}`, // Provide label for screenreaders map: innerMap, gmpClickable: true, // Make marker focusable and allow keyboard navigation content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'blue', borderColor: 'blue', scale: 1.5, // Increase size for better visibilty }), }; } // Style the destination waypoint. if (index === totalMarkers - 1) { return { ...defaultOptions, title: 'Destination', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'red', borderColor: 'red', scale: 1.5, }), }; } return { ...defaultOptions, map: innerMap }; } await result.routes[0].createWaypointAdvancedMarkers(markerOptionsMaker);
JavaScript
// Alter style based on marker index. function markerOptionsMaker(defaultOptions, waypointMarkerDetails) { const { index, totalMarkers } = waypointMarkerDetails; // Style the origin waypoint. if (index === 0) { return { ...defaultOptions, title: 'Origin', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'green', borderColor: 'green', scale: 1.5, }), }; } // Style all intermediate waypoints. if (!(index === 0 || index === totalMarkers - 1)) { return { ...defaultOptions, title: `Waypoint ${(index + 1).toString()}`, // Provide label for screenreaders map: innerMap, gmpClickable: true, // Make marker focusable and allow keyboard navigation content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'blue', borderColor: 'blue', scale: 1.5, // Increase size for better visibilty }), }; } // Style the destination waypoint. if (index === totalMarkers - 1) { return { ...defaultOptions, title: 'Destination', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'red', borderColor: 'red', scale: 1.5, }), }; } return { ...defaultOptions, map: innerMap }; } await result.routes[0].createWaypointAdvancedMarkers(markerOptionsMaker);
Membuat penanda dapat diakses
Anda dapat meningkatkan aksesibilitas penanda dengan cara berikut:
- Berikan judul: Tetapkan properti
titledi opsi penanda untuk memberikan label untuk penanda. Label ini digunakan oleh pembaca layar dan teknologi asistif. - Membedakan titik jalan perantara: Saat meneruskan fungsi gaya ke
createWaypointAdvancedMarkers(), gunakan parameterindexdantotalMarkersdariWaypointMarkerDetailsuntuk menetapkan judul dan label deskriptif yang unik ke titik jalan perantara (misalnya,Waypoint ${(index + 1).toString()}) sehingga pengguna pembaca layar dapat membedakannya dari asal dan tujuan. - Mengaktifkan navigasi keyboard dan peristiwa klik: Tetapkan
gmpClickable: truedi opsi penanda untuk membuat penanda interaktif dapat difokuskan dengan keyboard (menggunakan tombol Tab dan panah) dan dapat merespons input keyboard dan mouse. - Perbesar ukuran penanda: Tetapkan properti
scalepadaPinElement(misalnya,scale: 1.5) untuk mengurangi presisi yang diperlukan untuk berinteraksi dengan penanda, terutama di perangkat layar sentuh. Penanda default memenuhi standar ukuran minimum AA WCAG, dan meningkatkan skala akan membantu memenuhi standar target ukuran AAA WCAG. - Pertahankan kontras warna: Saat menyesuaikan warna
PinElement, pilih nilaiglyphColordanbackgrounddengan kontras yang memadai agar label titik jalan tetap mudah dibaca.
Cuplikan kode berikut menunjukkan cara menata gaya penanda untuk aksesibilitas. Memiliki
title untuk memberikan label bagi pembaca layar; judul menggunakan indeks untuk
membedakan titik jalan perantara. Properti gmpClickable disetel ke
true untuk mengaktifkan navigasi keyboard dan peristiwa klik, dan scale
telah ditingkatkan untuk mempermudah interaksi dengan penanda.
TypeScript
// Style all intermediate waypoints. if (!(index === 0 || index === totalMarkers - 1)) { return { ...defaultOptions, title: `Waypoint ${(index + 1).toString()}`, // Provide label for screenreaders map: innerMap, gmpClickable: true, // Make marker focusable and allow keyboard navigation content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'blue', borderColor: 'blue', scale: 1.5, // Increase size for better visibilty }), }; }
JavaScript
// Style all intermediate waypoints. if (!(index === 0 || index === totalMarkers - 1)) { return { ...defaultOptions, title: `Waypoint ${(index + 1).toString()}`, // Provide label for screenreaders map: innerMap, gmpClickable: true, // Make marker focusable and allow keyboard navigation content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'blue', borderColor: 'blue', scale: 1.5, // Increase size for better visibilty }), }; }
Untuk mengetahui detail selengkapnya, lihat Membuat penanda dapat diklik dan dapat diakses.
Lihat contoh lengkap
TypeScript
let mapPolylines: google.maps.Polyline[] = []; const mapElement = document.querySelector('gmp-map')!; let innerMap: google.maps.Map; // Initialize and add the map. async function init() { // Request the needed libraries. const [{ event }] = await Promise.all([ google.maps.importLibrary('core'), google.maps.importLibrary('maps'), ]); innerMap = mapElement.innerMap; innerMap.setOptions({ mapTypeControl: false, mapId: 'DEMO_MAP_ID', }); // Call the function after the map is loaded. event.addListenerOnce(innerMap, 'idle', () => { void getDirections(); }); } async function getDirections() { // Request the needed libraries. const [{ Route }, { PinElement }] = await Promise.all([ google.maps.importLibrary('routes'), google.maps.importLibrary('marker'), ]); // Define routes request with an intermediate stop. const request: google.maps.routes.ComputeRoutesRequest = { origin: 'Parking lot, Christmas Tree Point Rd, San Francisco, CA 94131', destination: '100 Spinnaker Dr, Sausalito, CA 94965', // We're having a yummy lunch! intermediates: [{ location: '300 Finley Rd San Francisco, CA 94129' }], // But first, we golf! travelMode: 'DRIVING', fields: ['path', 'legs', 'viewport'], }; // Call computeRoutes to get the directions. const result = await Route.computeRoutes(request); if (!result.routes || result.routes.length === 0) { console.warn('No routes found'); return; } // Alter style based on marker index. function markerOptionsMaker( defaultOptions: google.maps.marker.AdvancedMarkerElementOptions, waypointMarkerDetails: google.maps.routes.WaypointMarkerDetails ) { const { index, totalMarkers } = waypointMarkerDetails; // Style the origin waypoint. if (index === 0) { return { ...defaultOptions, title: 'Origin', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'green', borderColor: 'green', scale: 1.5, }), }; } // Style all intermediate waypoints. if (!(index === 0 || index === totalMarkers - 1)) { return { ...defaultOptions, title: `Waypoint ${(index + 1).toString()}`, // Provide label for screenreaders map: innerMap, gmpClickable: true, // Make marker focusable and allow keyboard navigation content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'blue', borderColor: 'blue', scale: 1.5, // Increase size for better visibilty }), }; } // Style the destination waypoint. if (index === totalMarkers - 1) { return { ...defaultOptions, title: 'Destination', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'red', borderColor: 'red', scale: 1.5, }), }; } return { ...defaultOptions, map: innerMap }; } await result.routes[0].createWaypointAdvancedMarkers(markerOptionsMaker); // Fit the map to the route. innerMap.fitBounds(result.routes[0].viewport!); innerMap.setHeading(270); // Create polylines and add them to the map. mapPolylines = result.routes[0].createPolylines(); mapPolylines.forEach((polyline) => { polyline.setMap(innerMap); }); } void init();
JavaScript
let mapPolylines = []; const mapElement = document.querySelector('gmp-map'); let innerMap; // Initialize and add the map. async function init() { // Request the needed libraries. const [{ event }] = await Promise.all([ google.maps.importLibrary('core'), google.maps.importLibrary('maps'), ]); innerMap = mapElement.innerMap; innerMap.setOptions({ mapTypeControl: false, mapId: 'DEMO_MAP_ID', }); // Call the function after the map is loaded. event.addListenerOnce(innerMap, 'idle', () => { void getDirections(); }); } async function getDirections() { // Request the needed libraries. const [{ Route }, { PinElement }] = await Promise.all([ google.maps.importLibrary('routes'), google.maps.importLibrary('marker'), ]); // Define routes request with an intermediate stop. const request = { origin: 'Parking lot, Christmas Tree Point Rd, San Francisco, CA 94131', destination: '100 Spinnaker Dr, Sausalito, CA 94965', // We're having a yummy lunch! intermediates: [{ location: '300 Finley Rd San Francisco, CA 94129' }], // But first, we golf! travelMode: 'DRIVING', fields: ['path', 'legs', 'viewport'], }; // Call computeRoutes to get the directions. const result = await Route.computeRoutes(request); if (!result.routes || result.routes.length === 0) { console.warn('No routes found'); return; } // Alter style based on marker index. function markerOptionsMaker(defaultOptions, waypointMarkerDetails) { const { index, totalMarkers } = waypointMarkerDetails; // Style the origin waypoint. if (index === 0) { return { ...defaultOptions, title: 'Origin', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'green', borderColor: 'green', scale: 1.5, }), }; } // Style all intermediate waypoints. if (!(index === 0 || index === totalMarkers - 1)) { return { ...defaultOptions, title: `Waypoint ${(index + 1).toString()}`, // Provide label for screenreaders map: innerMap, gmpClickable: true, // Make marker focusable and allow keyboard navigation content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'blue', borderColor: 'blue', scale: 1.5, // Increase size for better visibilty }), }; } // Style the destination waypoint. if (index === totalMarkers - 1) { return { ...defaultOptions, title: 'Destination', map: innerMap, gmpClickable: true, content: new PinElement({ glyphText: (index + 1).toString(), glyphColor: 'white', background: 'red', borderColor: 'red', scale: 1.5, }), }; } return { ...defaultOptions, map: innerMap }; } await result.routes[0].createWaypointAdvancedMarkers(markerOptionsMaker); // Fit the map to the route. innerMap.fitBounds(result.routes[0].viewport); innerMap.setHeading(270); // Create polylines and add them to the map. mapPolylines = result.routes[0].createPolylines(); mapPolylines.forEach((polyline) => { polyline.setMap(innerMap); }); } void init();
CSS
/* * Always set the map height explicitly to define the size of the div element * that contains the map. */ #map { height: 100%; } /* * Optional: Makes the sample page fill the window. */ html, body { height: 100%; margin: 0; padding: 0; }
HTML
<html>
<head>
<title>Get directions</title>
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
<script>
// prettier-ignore
(g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${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>
<gmp-map center="37.447646, -122.113878" zoom="12"></gmp-map>
</body>
</html>