添加gps转换

src/main/java/cn/fastfun/controller/api/IndexController.java

@@ -232,10 +232,10 @@ public class IndexController {
         }
         if (!StringUtils.isEmpty(gpsData.get("devcode")))
         {
-            res.put("lat", gpsData.get("latitude"));
-            res.put("long", gpsData.get("longitude"));
+            double[] gpsTran = ObjectUtil.gps84_To_Gcj02((double) gpsData.get("latitude"), (double) gpsData.get("longitude"));
+            res.put("lat", gpsTran[0]);
+            res.put("long", gpsTran[1]);
         }
-
         List<Map<String, Object>> result = new ArrayList<>();
         result.add(res);
         return new ApiPageDTO(null, result);

src/main/java/cn/fastfun/util/ObjectUtil.java

@@ -40,4 +40,63 @@ public final class ObjectUtil {
         }
         return arr;
     }
+
+
+    // gps转换
+    public static double pi = 3.1415926535897932384626;
+    public static double x_pi = 3.14159265358979324 * 3000.0 / 180.0;
+    public static double a = 6378245.0;
+    public static double ee = 0.00669342162296594323;
+
+    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(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;
+    }
+
+    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(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;
+    }
+    /**
+     * 判断是否在中国
+     * @param lat
+     * @param lon
+     * @return
+     */
+    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;
+    }
+    /**
+     * 84 ==》 高德/腾讯
+     * @param lat
+     * @param lon
+     * @return
+     */
+    public static double[] gps84_To_Gcj02(double lat, double lon) {
+        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 * 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;
+        return new double[]{mgLat, mgLon};
+    }
+
 }