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foudations/mogo-utils/src/main/java/com/mogo/utils/CoordinateUtils.java

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+package com.mogo.utils;
+
+/**
+ * @author donghongyu
+ */
+public class CoordinateUtils {
+
+    private static double a = 6378245.0;
+    private static double ee = 0.00669342162296594323;
+
+    /**
+     * 手机GPS坐标转火星坐标
+     *
+     * @return
+     */
+    public static double[] transformFromWGSToGCJ( double lat, double lon ) {
+
+        //如果在国外，则默认不进行转换
+        if ( outOfChina( lat, lon ) ) {
+            return new double[]{lat, lon};
+        }
+        double dLat = transformLat( lon - 105.0, lat - 35.0 );
+        double dLon = transformLon( lon - 105.0, lat - 35.0 );
+        double radLat = lat / 180.0 * Math.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 ) * Math.PI );
+        dLon = ( dLon * 180.0 ) / ( a / sqrtMagic * Math.cos( radLat ) * Math.PI );
+
+        return new double[]{lat + dLat, lon + dLon};
+    }
+
+    public 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( x > 0 ? x : -x );
+        ret += ( 20.0 * Math.sin( 6.0 * x * Math.PI ) + 20.0 * Math.sin( 2.0 * x * Math.PI ) ) * 2.0 / 3.0;
+        ret += ( 20.0 * Math.sin( y * Math.PI ) + 40.0 * Math.sin( y / 3.0 * Math.PI ) ) * 2.0 / 3.0;
+        ret += ( 160.0 * Math.sin( y / 12.0 * Math.PI ) + 320 * Math.sin( y * Math.PI / 30.0 ) ) * 2.0 / 3.0;
+        return ret;
+    }
+
+    public 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( x > 0 ? x : -x );
+        ret += ( 20.0 * Math.sin( 6.0 * x * Math.PI ) + 20.0 * Math.sin( 2.0 * x * Math.PI ) ) * 2.0 / 3.0;
+        ret += ( 20.0 * Math.sin( x * Math.PI ) + 40.0 * Math.sin( x / 3.0 * Math.PI ) ) * 2.0 / 3.0;
+        ret += ( 150.0 * Math.sin( x / 12.0 * Math.PI ) + 300.0 * Math.sin( x / 30.0 * Math.PI ) ) * 2.0 / 3.0;
+        return ret;
+    }
+
+    public 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;
+    }
+
+    public static final double[] transformGcj02toWgs84( double lat, double lng ) {
+        double[] var10000;
+        if ( outOfChina( lat, lng ) ) {
+            var10000 = new double[]{lng, lat};
+        } else {
+            double dlat = transformLat( lng - 105.0D, lat - 35.0D );
+            double dlng = transformLon( lng - 105.0D, lat - 35.0D );
+            double radlat = lat / 180.0D * Math.PI;
+            double magic = Math.sin( radlat );
+            magic = ( double ) 1 - 0.006693421622965943D * magic * magic;
+            double sqrtmagic = Math.sqrt( magic );
+            dlat = dlat * 180.0D / ( 6335552.717000426D / ( magic * sqrtmagic ) * Math.PI );
+            dlng = dlng * 180.0D / ( 6378245.0D / sqrtmagic * Math.cos( radlat ) * Math.PI );
+            double mglat = lat + dlat;
+            double mglng = lng + dlng;
+            var10000 = new double[]{lng * ( double ) 2 - mglng, lat * ( double ) 2 - mglat};
+        }
+
+        return var10000;
+    }
+
+}