【地图转换工具类】：GCJ02与WGS84标准转换

public class GCJ02_WGS84 {public static double pi = 3.1415926535897932384626;public static double a = 6378245.0;public static double ee = 0.00669342162296594323;public static LocateInfo wgs84_To_Gcj02(double lat, double lon) {LocateInfo info = new LocateInfo();if (outOfChina(lat, lon)) {info.setChina(false);info.setLatitude(lat);info.setLongitude(lon);}else {double dLat = transformLat(lon - 105.0, lat - 35.0);double dLon = transformLon(lon - 105.0, lat - 35.0);double radLat = lat / 180.0 * pi;double magic = Math.sin(radLat);magic = 1 - ee * magic * magic;double sqrtMagic = Math.sqrt(magic);dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi);double mgLat = lat + dLat;double mgLon = lon + dLon;info.setChina(true);info.setLatitude(mgLat);info.setLongitude(mgLon);}return info;}public static LocateInfo gcj02_To_Wgs84(double lat, double lon) {LocateInfo info = new LocateInfo();LocateInfo gps = transform(lat, lon);double lontitude = lon * 2 - gps.getLongitude();double latitude = lat * 2 - gps.getLatitude();info.setChina(gps.isChina());info.setLatitude(latitude);info.setLongitude(lontitude);return info;}private static boolean outOfChina(double lat, double lon) {if (lon < 72.004 || lon > 137.8347)return true;if (lat < 0.8293 || lat > 55.8271)return true;return false;}private static double transformLat(double x, double y) {double ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y+ 0.2 * Math.sqrt(Math.abs(x));ret += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0;ret += (20.0 * Math.sin(y * pi) + 40.0 * Math.sin(y / 3.0 * pi)) * 2.0 / 3.0;ret += (160.0 * Math.sin(y / 12.0 * pi) + 320 * Math.sin(y * pi / 30.0)) * 2.0 / 3.0;return ret;}private static double transformLon(double x, double y) {double ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1* Math.sqrt(Math.abs(x));ret += (20.0 * Math.sin(6.0 * x * pi) + 20.0 * Math.sin(2.0 * x * pi)) * 2.0 / 3.0;ret += (20.0 * Math.sin(x * pi) + 40.0 * Math.sin(x / 3.0 * pi)) * 2.0 / 3.0;ret += (150.0 * Math.sin(x / 12.0 * pi) + 300.0 * Math.sin(x / 30.0 * pi)) * 2.0 / 3.0;return ret;}private static LocateInfo transform(double lat, double lon) {LocateInfo info = new LocateInfo();if (outOfChina(lat, lon)) {info.setChina(false);info.setLatitude(lat);info.setLongitude(lon);return info;}double dLat = transformLat(lon - 105.0, lat - 35.0);double dLon = transformLon(lon - 105.0, lat - 35.0);double radLat = lat / 180.0 * pi;double magic = Math.sin(radLat);magic = 1 - ee * magic * magic;double sqrtMagic = Math.sqrt(magic);dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi);dLon = (dLon * 180.0) / (a / sqrtMagic * Math.cos(radLat) * pi);double mgLat = lat + dLat;double mgLon = lon + dLon;info.setChina(true);info.setLatitude(mgLat);info.setLongitude(mgLon);return info;}
}

/*** Created by wangmh on 2018/2/7.* 定位的几个基本信息*/public class LocateInfo {private double longitude;private double Latitude;private boolean isChina;public LocateInfo() {}public LocateInfo(double longitude, double latitude) {this.longitude = longitude;Latitude = latitude;}public double getLongitude() {return longitude;}public void setLongitude(double longitude) {this.longitude = longitude;}public double getLatitude() {return Latitude;}public void setLatitude(double latitude) {Latitude = latitude;}public boolean isChina() {return isChina;}public void setChina(boolean china) {isChina = china;}
}

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【地图转换工具类】：GCJ02与WGS84标准转换

【地图转换工具类】：GCJ02与WGS84标准转换

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