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手机端GPS定位结合百度地图实现定位

2016-12-13 08:57 519 查看 
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
<style type="text/css">
body, html, #allmap {
width: 100%;
height: 100%;
overflow: hidden;
margin: 0;
font-family: "微软雅黑";
}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=密钥"></script>
<title></title>
</head>
<body>
<div id="allmap"></div>

<script type="text/javascript">

var x = "";
var y = "";
var dizhi = "";

function getLocation(){
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(showPosition,showError);
}else{
alert("浏览器不支持地理定位。");
}
}

function showPosition(position){

y = position.coords.latitude;//纬度
x = position.coords.longitude;//经度

// 百度地图API功能
//GPS坐标
var x = 116.32715863448607;
var y = 39.990912172420714;
var ggPoint = new BMap.Point(x, y);

//地图初始化
var bm = new BMap.Map("allmap");

bm.centerAndZoom(ggPoint, 15);
bm.addControl(new BMap.NavigationControl());
bm.enableScrollWheelZoom();   //启用滚轮放大缩小，默认禁用
bm.enableContinuousZoom();    //启用地图惯性拖拽，默认禁用
bm.addEventListener("tilesloaded", function () { });//地图加载完成

var gc = new BMap.Geocoder();

bm.addEventListener("click", function (e) {

ggPoint = new BMap.Point(e.point.lng, e.point.lat);
gc.getLocation(ggPoint, function (rs) {

var addComp = rs.addressComponents;
var mapAddress = addComp.province + addComp.city + addComp.district
+ addComp.street + addComp.streetNumber;

dizhi = mapAddress;

if (confirm(dizhi)) {
window.location.href = "succes.html"
}

var marker = new BMap.Marker(ggPoint); // 创建点
bm.addOverlay(marker);
var label = new BMap.Label("您选择的位置为"+dizhi, { offset: new BMap.Size(20, -10) });
marker.setLabel(label); //添加百度label
bm.setCenter(ggPoint);
});
});

bm.addControl(new BMap.NavigationControl());

//坐标转换完之后的回调函数
translateCallback = function (data) {
if (data.status === 0) {
var marker = new BMap.Marker(data.points[0]);
bm.addOverlay(marker);
marker.setAnimation(BMAP_ANIMATION_BOUNCE); //跳动的动画
//marker.enableDragging();//可拖拽
//var label = new BMap.Label("您所在的位置", { offset: new BMap.Size(20, -10) });
//marker.setLabel(label); //添加百度label
//bm.setCenter(data.points[0]);

//var a=BMap.Convertor(ggPoint, 0);

gc.getLocation(data.points[0], function (rs) {
//alert(rs.sematic_description);

var addComp = rs.addressComponents;
var mapAddress = addComp.province + addComp.city + addComp.district
+ addComp.street + addComp.streetNumber;

dizhi = mapAddress;

confirm(dizhi);
if (confirm(dizhi)) {
window.location.href = "succes.html"
}

var label = new BMap.Label("定位您所在的位置为"+dizhi, { offset: new BMap.Size(20, -10) });
marker.setLabel(label); //添加百度label
bm.setCenter(data.points[0]);

});

}
}

setTimeout(function () {
var convertor = new BMap.Convertor();
var pointArr = []
pointArr.push(ggPoint);
convertor.translate(pointArr, 1, 5, translateCallback)
}, 1000);

}

function showError(error){
switch(error.code) {
case error.PERMISSION_DENIED:
alert("定位失败,用户拒绝请求地理定位");
break;
case error.POSITION_UNAVAILABLE:
alert("定位失败,位置信息是不可用");
break;
case error.TIMEOUT:
alert("定位失败,请求获取用户位置超时");
break;
case error.UNKNOWN_ERROR:
alert("定位失败,定位系统失效");
break;
}
}

getLocation();

</script>

</body>
</html>
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