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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

Custom controls

This example creates a map with a "Center Map" button, which will pan the map to be centered on Chicago.

Read the documentation or view this example full screen.

var map;
var chicago = {lat: 41.85, lng: -87.65};

/**
 * The CenterControl adds a control to the map that recenters the map on
 * Chicago.
 * This constructor takes the control DIV as an argument.
 * @constructor
 */
function CenterControl(controlDiv, map) {

  // Set CSS for the control border.
  var controlUI = document.createElement('div');
  controlUI.style.backgroundColor = '#fff';
  controlUI.style.border = '2px solid #fff';
  controlUI.style.borderRadius = '3px';
  controlUI.style.boxShadow = '0 2px 6px rgba(0,0,0,.3)';
  controlUI.style.cursor = 'pointer';
  controlUI.style.marginBottom = '22px';
  controlUI.style.textAlign = 'center';
  controlUI.title = 'Click to recenter the map';
  controlDiv.appendChild(controlUI);

  // Set CSS for the control interior.
  var controlText = document.createElement('div');
  controlText.style.color = 'rgb(25,25,25)';
  controlText.style.fontFamily = 'Roboto,Arial,sans-serif';
  controlText.style.fontSize = '16px';
  controlText.style.lineHeight = '38px';
  controlText.style.paddingLeft = '5px';
  controlText.style.paddingRight = '5px';
  controlText.innerHTML = 'Center Map';
  controlUI.appendChild(controlText);

  // Setup the click event listeners: simply set the map to Chicago.
  controlUI.addEventListener('click', function() {
    map.setCenter(chicago);
  });

}

function initMap() {
  map = new google.maps.Map(document.getElementById('map'), {
    zoom: 12,
    center: chicago
  });

  // Create the DIV to hold the control and call the CenterControl()
  // constructor passing in this DIV.
  var centerControlDiv = document.createElement('div');
  var centerControl = new CenterControl(centerControlDiv, map);

  centerControlDiv.index = 1;
  map.controls[google.maps.ControlPosition.TOP_CENTER].push(centerControlDiv);
}
<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>Custom controls</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>
      var map;
      var chicago = {lat: 41.85, lng: -87.65};

      /**
       * The CenterControl adds a control to the map that recenters the map on
       * Chicago.
       * This constructor takes the control DIV as an argument.
       * @constructor
       */
      function CenterControl(controlDiv, map) {

        // Set CSS for the control border.
        var controlUI = document.createElement('div');
        controlUI.style.backgroundColor = '#fff';
        controlUI.style.border = '2px solid #fff';
        controlUI.style.borderRadius = '3px';
        controlUI.style.boxShadow = '0 2px 6px rgba(0,0,0,.3)';
        controlUI.style.cursor = 'pointer';
        controlUI.style.marginBottom = '22px';
        controlUI.style.textAlign = 'center';
        controlUI.title = 'Click to recenter the map';
        controlDiv.appendChild(controlUI);

        // Set CSS for the control interior.
        var controlText = document.createElement('div');
        controlText.style.color = 'rgb(25,25,25)';
        controlText.style.fontFamily = 'Roboto,Arial,sans-serif';
        controlText.style.fontSize = '16px';
        controlText.style.lineHeight = '38px';
        controlText.style.paddingLeft = '5px';
        controlText.style.paddingRight = '5px';
        controlText.innerHTML = 'Center Map';
        controlUI.appendChild(controlText);

        // Setup the click event listeners: simply set the map to Chicago.
        controlUI.addEventListener('click', function() {
          map.setCenter(chicago);
        });

      }

      function initMap() {
        map = new google.maps.Map(document.getElementById('map'), {
          zoom: 12,
          center: chicago
        });

        // Create the DIV to hold the control and call the CenterControl()
        // constructor passing in this DIV.
        var centerControlDiv = document.createElement('div');
        var centerControl = new CenterControl(centerControlDiv, map);

        centerControlDiv.index = 1;
        map.controls[google.maps.ControlPosition.TOP_CENTER].push(centerControlDiv);
      }
    </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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