/// <summary>
/// 坐标转换
/// 参考 ：http://developer.baidu.com/map/index.php?title=webapi/guide/changeposition#.E6.9C.8D.E5.8A.A1.E5.9C.B0.E5.9D.80
/// </summary>
/// <param name="a"></param>
/// <returns></returns>
public static void GeoConvert(double lng, double lat, ref double x, ref double y)
{
var ak = "emKzTIR8orgFMUjXFLjgU1IT";
var url = "http://api.map.baidu.com/geoconv/v1/?coords=" + lng + "," + lat + "&from=1&to=5&ak=" + ak;
var postReturn = JsonPost.doPostRequest(url, new byte[1]);
var newObj = new JsonObject(postReturn);
if (newObj["status"].Value == "0")
{
var s = newObj["result"].Items[0];
x = Convert.ToDouble(s["x"].Value);
y = Convert.ToDouble(s["y"].Value);
}
}
/// <summary>
/// 百度地图 坐标定位
/// </summary>
/// <param name="address"></param>
/// <param name="lng"></param>
/// <param name="lat"></param>
public static void GetLocation(string address, ref double lng, ref double lat)
{
var ak = "emKzTIR8orgFMUjXFLjgU1IT";
var url = "http://api.map.baidu.com/geocoder/v2/?output=json&ak=" + ak + "&address=" + address;
var postReturn = JsonPost.doPostRequest(url, new byte[1]);
var newObj = new JsonObject(postReturn);
if (newObj["status"].Value == "0")
{
var s = newObj["result"].Items[0]["location"].Items;
lng = Convert.ToDouble(s[0]["Lng"].Value);
lat = Convert.ToDouble(s[0]["Lat"].Value);
}
}