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啟用 Google Maps JavaScript API

為協助您開始,我們將先引導您使用「Google 開發人員控制台」來執行一些動作:

  1. 建立或選擇專案
  2. 啟用 Google Maps JavaScript API 與相關服務
  3. 建立適當的金鑰
繼續

Arrows (Symbols)

Read the documentation or view this example full screen.

// This example adds a predefined symbol (an arrow) to a polyline.
// Setting offset to 100% places the arrow at the end of the line.

function initMap() {
  var map = new google.maps.Map(document.getElementById('map'), {
    zoom: 6,
    center: {lat: 20.291, lng: 153.027},
    mapTypeId: 'terrain'
  });

  // Define a symbol using a predefined path (an arrow)
  // supplied by the Google Maps JavaScript API.
  var lineSymbol = {
    path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW
  };

  // Create the polyline and add the symbol via the 'icons' property.
  var line = new google.maps.Polyline({
    path: [{lat: 22.291, lng: 153.027}, {lat: 18.291, lng: 153.027}],
    icons: [{
      icon: lineSymbol,
      offset: '100%'
    }],
    map: map
  });
}
<div id="map"></div>
/* 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;
}
 <!-- Replace the value of the key parameter with your own API key. -->
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap">
</script>

自己試試看

將游標放在程式碼區塊右上方,以複製程式碼或在 JSFiddle 中將它開啟。

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Arrows (Symbols)</title>
    <style>
      /* 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;
      }
    </style>
  </head>
  <body>
    <div id="map"></div>
    <script>
      // This example adds a predefined symbol (an arrow) to a polyline.
      // Setting offset to 100% places the arrow at the end of the line.

      function initMap() {
        var map = new google.maps.Map(document.getElementById('map'), {
          zoom: 6,
          center: {lat: 20.291, lng: 153.027},
          mapTypeId: 'terrain'
        });

        // Define a symbol using a predefined path (an arrow)
        // supplied by the Google Maps JavaScript API.
        var lineSymbol = {
          path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW
        };

        // Create the polyline and add the symbol via the 'icons' property.
        var line = new google.maps.Polyline({
          path: [{lat: 22.291, lng: 153.027}, {lat: 18.291, lng: 153.027}],
          icons: [{
            icon: lineSymbol,
            offset: '100%'
          }],
          map: map
        });
      }
    </script>
    <script async defer
    src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
    </script>
  </body>
</html>

傳送您對下列選項的寶貴意見...

這個網頁
Google Maps JavaScript API
Google Maps JavaScript API
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