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百度地图API 批量坐标转换

2015-12-31 22:25 507 查看

在将原始坐标批量转换的时候，回调的时候发现 data.status = 25

translateCallback = function (data){
//回调时 data.status = 25
}

原因是个数非法，超过限制 百度API一次最多只支持10个点坐标转换

状态码说明

状态码	含义
0	正常
1	内部错误
21	from非法
22	to非法
24	coords格式非法
25	coords个数非法，超过限制

解决方法可以每十个点为一组，然后依次转换

以下代码可全部复制到HTML中直接运行查看

<!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=rmtT1e2a4k770D9jK1ouGODt"></script>
<title>GPS转百度批量转换</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">

//所有批量转换的坐标
var points = [new BMap.Point(116.3986889372559,39.91762965106183),
new BMap.Point(116.38632786853032,39.90795884517671),
new BMap.Point(116.39534009082035,39.917432133833574),
new BMap.Point(116.41624058825688,39.91789300648029),
new BMap.Point(116.41413701159672,39.90795884517671),

new BMap.Point(116.3886889372559,39.90962965106183),
new BMap.Point(116.39632786853032,39.91795884517671),
new BMap.Point(116.37534009082035,39.907432133833574),
new BMap.Point(116.41624058825688,39.92489300648029),
new BMap.Point(116.42413701159672,39.91795884517671),

new BMap.Point(116.41413701159672,39.92795884517671),
new BMap.Point(116.40624058825688,39.93489300648029),
new BMap.Point(116.42213701159672,39.90795884517671),
new BMap.Point(116.40413701159672,39.91795884517671)
];

//地图初始化
var bm = new BMap.Map("allmap");
bm.centerAndZoom(new BMap.Point(116.378688937,39.9076296510), 15);

var total = 0; //总记录数
var groupCount = 0; //每次转十条
if (points.length % 10 > 0) {
groupCount = (points.length / 10) + 1;
}
else {
groupCount = (points.length / 10);
}

for(var i=0;i<groupCount;i++){ //外层循环，有多少组十条
var pos = new Array();
for(var j=0;j<10;j++){ //内层循环，每组十条
if(total<points.length){ //不超过总记录数结束
var point = new BMap.Point(points[(i * 10) + j].lng,points[(i * 10) + j].lat);
pos.push(point);
}
total++;
}

var convertor = new BMap.Convertor();
convertor.translate(pos, 1, 5, function(data){
if(data.status === 0) {
for (var i = 0; i < data.points.length; i++) {
bm.addOverlay(new BMap.Marker(data.points[i]));
bm.setCenter(data.points[i]);
}
}
});

}

</script>

演示：baidu_map_batch_conversion/

作者：itmyhome

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