2024年1月9日发(作者：)

public static double[] wgs2bd(double lat, double lon){ double[] wgs2gcj = wgs2gcj(lat, lon); double[] gcj2bd = gcj2bd(wgs2gcj[0], wgs2gcj[1]); return gcj2bd; }

/** * GCJ坐标转百度坐标 * @param lat * @param lon * @return */ public static double[] gcj2bd(double lat, double lon) { double x = lon, y = lat; double z = (x * x + y * y) + 0.00002 * (y * x_pi); double theta = 2(y, x) + 0.000003 * (x * x_pi); double bd_lon = z * (theta) + 0.0065; double bd_lat = z * (theta) + 0.006; return new double[] { bd_lat, bd_lon }; }

public static double[] bd2gcj(double lat, double lon) { double x = lon - 0.0065, y = lat - 0.006; double z = (x * x + y * y) - 0.00002 * (y * x_pi); double theta = 2(y, x) - 0.000003 * (x * x_pi); double gg_lon = z * (theta); double gg_lat = z * (theta); return new double[] { gg_lat, gg_lon }; }

/** * WGS坐标转GCJ坐标 * @param lat * @param lon * @return */ public static double[] wgs2gcj(double lat, double lon) { 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 = (radLat); magic = 1 - ee * magic * magic; double sqrtMagic = (magic); dLat = (dLat * 180.0) / ((a * (1 - ee)) / (magic * sqrtMagic) * pi); dLon = (dLon * 180.0) / (a / sqrtMagic * (radLat) * pi); double mgLat = lat + dLat; double mgLon = lon + dLon; double[] loc = { mgLat, mgLon }; return loc; }

private static double transformLat(double lat, double lon) { double ret = -100.0 + 2.0 * lat + 3.0 * lon + 0.2 * lon * lon + 0.1 * lat * lon + 0.2 * ((lat)); ret += (20.0 * (6.0 * lat * pi) + 20.0 * (2.0 * lat * pi)) * 2.0 / 3.0; ret += (20.0 * (lon * pi) + 40.0 * (lon / 3.0 * pi)) * 2.0 / 3.0; ret += (160.0 * (lon / 12.0 * pi) + 320 * (lon * pi/ 30.0)) * 2.0 / 3.0; return ret; }

private static double transformLon(double lat, double lon) { double ret = 300.0 + lat + 2.0 * lon + 0.1 * lat * lat + 0.1 * lat * lon + 0.1 * ((lat)); ret += (20.0 * (6.0 * lat * pi) + 20.0 * (2.0 * lat * pi)) * 2.0 / 3.0; ret += (20.0 * (lat * pi) + 40.0 * (lat / 3.0 * pi)) * 2.0 / 3.0; ret += (150.0 * (lat / 12.0 * pi) + 300.0 * (lat / 30.0 * pi)) * 2.0 / 3.0; return ret; }

/** * 度分转度 * @param lat 纬度 * @param lon 经度 * @return */ public static double[] dufen2du(String lat, String lon){ double latD=ouble(ing(0, 2));