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Google Maps JavaScript API 활성화

개발을 시작하기 위해 Google Developers Console에서 우선적으로 해야 할 일을 몇 가지 소개하겠습니다.

  1. 프로젝트 생성 또는 선택
  2. Google Maps JavaScript API 및 관련 서비스 활성화
  3. 적합한 키 생성
계속

Directions service

This example demonstrates the use of the DirectionsService object to fetch directions between different cities.

Read the documentation or view this example full screen.

function initMap() {
  var directionsService = new google.maps.DirectionsService;
  var directionsDisplay = new google.maps.DirectionsRenderer;
  var map = new google.maps.Map(document.getElementById('map'), {
    zoom: 7,
    center: {lat: 41.85, lng: -87.65}
  });
  directionsDisplay.setMap(map);

  var onChangeHandler = function() {
    calculateAndDisplayRoute(directionsService, directionsDisplay);
  };
  document.getElementById('start').addEventListener('change', onChangeHandler);
  document.getElementById('end').addEventListener('change', onChangeHandler);
}

function calculateAndDisplayRoute(directionsService, directionsDisplay) {
  directionsService.route({
    origin: document.getElementById('start').value,
    destination: document.getElementById('end').value,
    travelMode: 'DRIVING'
  }, function(response, status) {
    if (status === 'OK') {
      directionsDisplay.setDirections(response);
    } else {
      window.alert('Directions request failed due to ' + status);
    }
  });
}
<div id="floating-panel">
<b>Start: </b>
<select id="start">
  <option value="chicago, il">Chicago</option>
  <option value="st louis, mo">St Louis</option>
  <option value="joplin, mo">Joplin, MO</option>
  <option value="oklahoma city, ok">Oklahoma City</option>
  <option value="amarillo, tx">Amarillo</option>
  <option value="gallup, nm">Gallup, NM</option>
  <option value="flagstaff, az">Flagstaff, AZ</option>
  <option value="winona, az">Winona</option>
  <option value="kingman, az">Kingman</option>
  <option value="barstow, ca">Barstow</option>
  <option value="san bernardino, ca">San Bernardino</option>
  <option value="los angeles, ca">Los Angeles</option>
</select>
<b>End: </b>
<select id="end">
  <option value="chicago, il">Chicago</option>
  <option value="st louis, mo">St Louis</option>
  <option value="joplin, mo">Joplin, MO</option>
  <option value="oklahoma city, ok">Oklahoma City</option>
  <option value="amarillo, tx">Amarillo</option>
  <option value="gallup, nm">Gallup, NM</option>
  <option value="flagstaff, az">Flagstaff, AZ</option>
  <option value="winona, az">Winona</option>
  <option value="kingman, az">Kingman</option>
  <option value="barstow, ca">Barstow</option>
  <option value="san bernardino, ca">San Bernardino</option>
  <option value="los angeles, ca">Los Angeles</option>
</select>
</div>
<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;
}
#floating-panel {
  position: absolute;
  top: 10px;
  left: 25%;
  z-index: 5;
  background-color: #fff;
  padding: 5px;
  border: 1px solid #999;
  text-align: center;
  font-family: 'Roboto','sans-serif';
  line-height: 30px;
  padding-left: 10px;
}
 <!-- 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>

체험해 보기

코드 블록 오른쪽을 마우스로 가리켜서 코드를 복사하거나 JSFiddle에서 엽니다.

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Directions service</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;
      }
      #floating-panel {
        position: absolute;
        top: 10px;
        left: 25%;
        z-index: 5;
        background-color: #fff;
        padding: 5px;
        border: 1px solid #999;
        text-align: center;
        font-family: 'Roboto','sans-serif';
        line-height: 30px;
        padding-left: 10px;
      }
    </style>
  </head>
  <body>
    <div id="floating-panel">
    <b>Start: </b>
    <select id="start">
      <option value="chicago, il">Chicago</option>
      <option value="st louis, mo">St Louis</option>
      <option value="joplin, mo">Joplin, MO</option>
      <option value="oklahoma city, ok">Oklahoma City</option>
      <option value="amarillo, tx">Amarillo</option>
      <option value="gallup, nm">Gallup, NM</option>
      <option value="flagstaff, az">Flagstaff, AZ</option>
      <option value="winona, az">Winona</option>
      <option value="kingman, az">Kingman</option>
      <option value="barstow, ca">Barstow</option>
      <option value="san bernardino, ca">San Bernardino</option>
      <option value="los angeles, ca">Los Angeles</option>
    </select>
    <b>End: </b>
    <select id="end">
      <option value="chicago, il">Chicago</option>
      <option value="st louis, mo">St Louis</option>
      <option value="joplin, mo">Joplin, MO</option>
      <option value="oklahoma city, ok">Oklahoma City</option>
      <option value="amarillo, tx">Amarillo</option>
      <option value="gallup, nm">Gallup, NM</option>
      <option value="flagstaff, az">Flagstaff, AZ</option>
      <option value="winona, az">Winona</option>
      <option value="kingman, az">Kingman</option>
      <option value="barstow, ca">Barstow</option>
      <option value="san bernardino, ca">San Bernardino</option>
      <option value="los angeles, ca">Los Angeles</option>
    </select>
    </div>
    <div id="map"></div>
    <script>
      function initMap() {
        var directionsService = new google.maps.DirectionsService;
        var directionsDisplay = new google.maps.DirectionsRenderer;
        var map = new google.maps.Map(document.getElementById('map'), {
          zoom: 7,
          center: {lat: 41.85, lng: -87.65}
        });
        directionsDisplay.setMap(map);

        var onChangeHandler = function() {
          calculateAndDisplayRoute(directionsService, directionsDisplay);
        };
        document.getElementById('start').addEventListener('change', onChangeHandler);
        document.getElementById('end').addEventListener('change', onChangeHandler);
      }

      function calculateAndDisplayRoute(directionsService, directionsDisplay) {
        directionsService.route({
          origin: document.getElementById('start').value,
          destination: document.getElementById('end').value,
          travelMode: 'DRIVING'
        }, function(response, status) {
          if (status === 'OK') {
            directionsDisplay.setDirections(response);
          } else {
            window.alert('Directions request failed due to ' + status);
          }
        });
      }
    </script>
    <script async defer
    src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
    </script>
  </body>
</html>

다음에 대한 의견 보내기...

Google Maps JavaScript API
Google Maps JavaScript API
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