From 04dba6a17f836b5fbdf0eedff8a129c6785fd8a2 Mon Sep 17 00:00:00 2001
From: k94314517 <8417338+k94314517@user.noreply.gitee.com>
Date: 星期五, 28 二月 2025 18:25:00 +0800
Subject: [PATCH] 111
---
server/services/src/main/java/com/doumee/core/utils/PositionUtil.java | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 117 insertions(+), 3 deletions(-)
diff --git a/server/services/src/main/java/com/doumee/core/utils/PositionUtil.java b/server/services/src/main/java/com/doumee/core/utils/PositionUtil.java
index d311bd5..bbfeaba 100644
--- a/server/services/src/main/java/com/doumee/core/utils/PositionUtil.java
+++ b/server/services/src/main/java/com/doumee/core/utils/PositionUtil.java
@@ -39,18 +39,132 @@
}
return null;
}
+ /**
+ * 妞悆鍙傛暟
+ */
+ private static double pi = 3.14159265358979324;
+ /**
+ * 鍗槦妞悆鍧愭爣鎶曞奖鍒板钩闈㈠湴鍥惧潗鏍囩郴鐨勬姇褰卞洜瀛�
+ */
+ private static double a = 6378245.0;
+ /**
+ * 妞悆鐨勫亸蹇冪巼
+ */
+ private static double ee = 0.00669342162296594323;
+ /**
+ * 缁忕含搴� GPS杞珮寰�
+ *
+ * @param wgLon GPS缁忓害
+ * @param wgLat GPS缁村害
+ * @return 杞寲鍚庣殑缁忕含搴﹀潗鏍�
+ */
+ public static AMap transform(double wgLon, double wgLat) {
+ if (outOfChina(wgLat, wgLon)) {
+ return new AMap(wgLon, wgLat);
+ }
+
+ double dLat = transformLat(wgLon - 105.0, wgLat - 35.0);
+ double dLon = transformLon(wgLon - 105.0, wgLat - 35.0);
+ double radLat = wgLat / 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 transLat = wgLat + dLat;
+ double transLon = wgLon + dLon;
+ return new AMap(transLon, transLat);
+ }
+
+ /**
+ * 鍒ゆ柇鏄惁涓哄浗澶栧潗鏍囷紝锛屼笉鍦ㄥ浗鍐呬笉鍋氬亸绉�
+ *
+ * @param lat
+ * @param lon
+ * @return
+ */
+ 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;
+ }
+
+ /**
+ * 绾害杞崲
+ *
+ * @param x
+ * @param y
+ * @return
+ */
+ 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;
+ }
+
+ /**
+ * 缁忓害杞崲
+ *
+ * @param x
+ * @param y
+ * @return
+ */
+ 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;
+ }
+
+ /**
+ * 楂樺痉缁忕含搴︾被
+ */
+ public static class AMap {
+ /**
+ * 缁忓害
+ */
+ private double longitude;
+
+ /**
+ * 缁村害
+ */
+ private double latitude;
+
+ public AMap(double longitude, double latitude) {
+ this.longitude = longitude;
+ this.latitude = latitude;
+ }
+
+ public double getLongitude() {
+ return longitude;
+ }
+
+ public double getLatitude() {
+ return latitude;
+ }
+ }
public static void main(String[] args) {
- String str ="[{\"lat\": 31.71383446224521, \"lng\": 117.39342857107226, \"height\": 0}, {\"lat\": 31.71393087373135, \"lng\": 117.39402357524818, \"height\": 0}, {\"lat\": 31.713593433089077, \"lng\": 117.39433170240886, \"height\": 0}, {\"lat\": 31.713280450806966, \"lng\": 117.39358710879355, \"height\": 0}]";
+ String str ="[{\"lat\":31.732726766273103,\"lng\":117.37721605116087,\"height\":0},{\"lat\":31.72079687406289,\"lng\":117.39831914258241,\"height\":0},{\"lat\":31.714484720597493,\"lng\":117.39831914258241,\"height\":0},{\"lat\":31.71233192243245,\"lng\":117.39583137996954,\"height\":0},{\"lat\":31.71401037878662,\"lng\":117.3785457182995,\"height\":0}]";
TypeReference typeReference = new TypeReference<List<LocaltionDTO>>(){};
List<LocaltionDTO> array = JSONObject.parseObject(str, typeReference.getType());
if(array == null || array.size() ==0){
System.out.println("=================");
}
- System.out.println(isInPolygon(117.39, 31.71551600,array));
+ System.out.println(isInPolygon( 117.39387876,31.71365546,array));
+// AMap aMap = transform( 117.38823300, 31.71550000);
+// System.out.println(aMap.getLatitude()+""+aMap.getLongitude());
+// System.out.println(isInPolygon( aMap.getLongitude(),aMap.getLatitude(),array));
}
- /* "latitude": 31.71551600,
+ /* "latitude": 31.71553300,
"longitude": 117.39,
+117.393962,31.713690
+ 31.71550000 117.38823300
*/ /**
* 鍒ゆ柇鍧愭爣鐐规槸鍚﹀湪澶氳竟褰㈠尯鍩熷唴
*
--
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