js获取经纬度自动填充到文本框中的方法介绍

   
          纬度：经度：   地址 ：   点击显示地图获取地址经纬度

<script type="text/javascript">document.getElementById('open').onclick = function () {  if (document.getElementById('allmap').style.display == 'none') {  
            document.getElementById('allmap').style.display = 'block';  
        } else {  
            document.getElementById('allmap').style.display = 'none';  
        }  
    }  
   var map = new BMap.Map("allmap");  var geoc = new BMap.Geocoder();   //地址解析对象  var markersArray = [];  var geolocation = new BMap.Geolocation();  
   
   var point = new BMap.Point(116.404412, 39.914714);  
    map.centerAndZoom(point, 12); // 中心点  geolocation.getCurrentPosition(function (r) {  if (this.getStatus() == BMAP_STATUS_SUCCESS) {  var mk = new BMap.Marker(r.point);  
            map.addOverlay(mk);  
            map.panTo(r.point);  
            map.enableScrollWheelZoom(true);  
        }  else {  
            alert('failed' + this.getStatus());  
        }  
    }, {enableHighAccuracy: true})  
    map.addEventListener("click", showInfo);  
   
   //清除标识  function clearOverlays() {  if (markersArray) {  for (i in markersArray) {  
                map.removeOverlay(markersArray[i])  
            }  
        }  
    }  //地图上标注  function addMarker(point) {  var marker = new BMap.Marker(point);  
        markersArray.push(marker);  
        clearOverlays();  
        map.addOverlay(marker);  
    }  //点击地图时间处理  function showInfo(e) {  
        document.getElementById('lng').value = e.point.lng;  
        document.getElementById('lat').value =  e.point.lat;  
        geoc.getLocation(e.point, function (rs) {  var addComp = rs.addressComponents;  var address = addComp.province + addComp.city + addComp.district + addComp.street + addComp.streetNumber;  if (confirm("确定要地址是" + address + "?")) {  
                document.getElementById('allmap').style.display = 'none';  
                document.getElementById('address').value = address;  
            }  
        });  
        addMarker(e.point);  
    }  
</script>