高德地图定位

<div id="allmap" style="height:300px"></div>

<input type="hidden" id="lng" name="lng" value="" />
<input type="hidden" id="lat"  name="lat" value="" />

<script type="text/javascript">

var map, geolocation;
//加载地图，调用浏览器定位服务
map = new AMap.Map('allmap', {
   resizeEnable: true,
    view: new AMap.View2D({
         resizeEnable: true,
         zoom:50//地图显示的缩放级别
      }),
      keyboardEnable:false
});

map.plugin(["AMap.ToolBar"],function(){
      toolBar = new AMap.ToolBar();
      map.addControl(toolBar);
      toolBar.show();
      toolBar.hideRuler();
      toolBar.hideDirection();
});
map.plugin(["AMap.MapType"],function(){
   //地图类型切换
   mapType= new AMap.MapType({defaultType:0,showRoad:true});
   map.addControl(mapType);
});




map.plugin('AMap.Geolocation', function() {
   geolocation = new AMap.Geolocation({
      enableHighAccuracy: true,//是否使用高精度定位，默认:true
      timeout: 10000,          //超过10秒后停止定位，默认：无穷大
      buttonOffset: new AMap.Pixel(10, 20),//定位按钮与设置的停靠位置的偏移量，默认：Pixel(10, 20)
      zoomToAccuracy: true,      //定位成功后调整地图视野范围使定位位置及精度范围视野内可见，默认：false
      buttonPosition:'LB'
   });
   map.addControl(geolocation);
   geolocation.getCurrentPosition();
   AMap.event.addListener(geolocation, 'complete', onComplete);//返回定位信息
   AMap.event.addListener(geolocation, 'error', onError);      //返回定位出错信息
});
//解析定位结果
function onComplete(data) {
   var lon = data.position.getLng();
   var lat = data.position.getLat();
   new AMap.Marker({
      map: map,
      position: [lon,lat],
      icon: new AMap.Icon({
         size: new AMap.Size(19, 33),  //图标大小
         image: "/image/mark_bs.png",

      })
   });
   map.setZoomAndCenter(20, [lon,lat]);
   var clickEventListener=AMap.event.addListener(map,'click',function(e){
      map.clearMap();
      new AMap.Marker({
         position: e.lnglat,
         map: map

      });

      document.getElementById("lng").value=e.lnglat.getLng();
      document.getElementById("lat").value=e.lnglat.getLat();
   });

}
//解析定位错误信息
function onError(data) {
   document.getElementById('tip').innerHTML = '定位失败';
}


</script>