te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>jquery - How to set marker in google map using javascript - Stack Overflow

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    I am using the below javascript code to show map and marker.The marker is loading while map load,but i want to load the marker if the button named "Add marker" is clicked.The marker should points to the current location.How to do this here.

    js.

    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<script type="text/javascript" src=""></script>
<script type="text/javascript">
var geocoder = new google.maps.Geocoder();

function updateMarkerStatus(str) {
  document.getElementById('markerStatus').innerHTML = str;
}

function updateMarkerPosition(latLng) {
  document.getElementById('info').innerHTML = [
    latLng.lat(),
    latLng.lng()
  ].join(', ');
}

function updateMarkerAddress(str) {
  document.getElementById('address').innerHTML = str;
}

function initialize() {
  var latLng = new google.maps.LatLng(-29.3456, 151.4346);
  var map = new google.maps.Map(document.getElementById('mapCanvas'), {
    zoom: 8,
    center: latLng,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  });
  var marker = new google.maps.Marker({
    position: latLng,
    title: 'Marker',
    map: map,
    draggable: true
  });
}; 
  google.maps.event.addDomListener(window, 'load', initialize);
</script>

    html

    <div id="mapCanvas"></div>

    Thanks

    I am using the below javascript code to show map and marker.The marker is loading while map load,but i want to load the marker if the button named "Add marker" is clicked.The marker should points to the current location.How to do this here.

    js.

    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<script type="text/javascript" src="http://maps.google./maps/api/js?sensor=false"></script>
<script type="text/javascript">
var geocoder = new google.maps.Geocoder();

function updateMarkerStatus(str) {
  document.getElementById('markerStatus').innerHTML = str;
}

function updateMarkerPosition(latLng) {
  document.getElementById('info').innerHTML = [
    latLng.lat(),
    latLng.lng()
  ].join(', ');
}

function updateMarkerAddress(str) {
  document.getElementById('address').innerHTML = str;
}

function initialize() {
  var latLng = new google.maps.LatLng(-29.3456, 151.4346);
  var map = new google.maps.Map(document.getElementById('mapCanvas'), {
    zoom: 8,
    center: latLng,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  });
  var marker = new google.maps.Marker({
    position: latLng,
    title: 'Marker',
    map: map,
    draggable: true
  });
}; 
  google.maps.event.addDomListener(window, 'load', initialize);
</script>

    html

    <div id="mapCanvas"></div>

    Thanks

    • javascript
    • jquery
    • html
    • google-maps
    • google-maps-markers
    Share Improve this question edited Jan 31, 2014 at 16:55 Kara 6,22616 gold badges53 silver badges58 bronze badges asked Jun 4, 2013 at 6:59 Monk LMonk L 3,3689 gold badges27 silver badges42 bronze badges
    Add a ment  | 

    4 Answers 4

    Reset to default 6

    please try this. hope it help. 1. make map as global variable. 2. initialize map 3. add marker on button click event.

    <script type="text/javascript">
 var map;

function initialize() {
  map = new google.maps.Map(document.getElementById('mapCanvas'), {
    zoom: 8,
    center: latLng,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  });
}; 

jQuery("$addmarker").click(function(){
    var marker = new google.maps.Marker({
        position: new google.maps.LatLng(23.72, 72.100),
        title: 'Marker',
        map: map,
        draggable: true
    });
 })
</script>

    Here is my plete sample code.

    <script type="text/javascript">
var map;
function initialize() 
{ 
    var mapOptions = {
    center: new google.maps.LatLng('23.11', '71.00'),
    zoom: 2,
    scrollwheel: false,
    disableDefaultUI: false,
    mapTypeId: google.maps.MapTypeId.ROADMAP
 };

  map = new google.maps.Map(document.getElementById("map_canvas"),mapOptions);
 }

 function addMarker()
  {
     marker = new google.maps.Marker({
                position: new google.maps.LatLng(23.72, 72.100),
                map: map,
            });
  }
 </script>
 </HEAD>
 <BODY onload="initialize();">
 <div id="map_canvas" style="width:700px; height:500px;"></div>
 <input type="button" id="addMarker" value="addMarker" onclick="addMarker();"/>
 </BODY>
 </HTML>

    data is array which contains lat and lng

       function addMarker(data) {
        var marker = new google.maps.Marker({
          position: new google.maps.LatLng(data.lat, data.lng),
          map: map
        });

    You need to put the part:

    var marker = new google.maps.Marker({
   [...]
});

    inside a onclick event listener.

    The jQuery way to do this with a button element:

    $('button').on('click', function() {
   var marker = new google.maps.Marker({
      [...]
   });
});

    You have to think about making the variables map and latLng global.

    var map; // Declare map as global.

function initialize() {
  var latLng = new google.maps.LatLng(-29.3456, 151.4346);
  map = new google.maps.Map(document.getElementById('mapCanvas'), {
    zoom: 8,
    center: latLng,
    mapTypeId: google.maps.MapTypeId.ROADMAP
  });
} 
// Call addMarker on click of the button.
function addMarker(){
  var latLng = new google.maps.LatLng(-29.3456, 151.4346); // Put lat long as desired.
  var marker = new google.maps.Marker({
    position: latLng,
    title: 'Marker',
    map: map,
    draggable: true
  });
}

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