From a836f03a5d1fbfa81e147d09ffdfa87ba3975c13 Mon Sep 17 00:00:00 2001
From: MrShi <1878285526@qq.com>
Date: 星期二, 18 三月 2025 16:45:02 +0800
Subject: [PATCH] 1
---
server/services/src/main/java/com/doumee/core/utils/PositionUtil.java | 231 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 231 insertions(+), 0 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
new file mode 100644
index 0000000..3d23120
--- /dev/null
+++ b/server/services/src/main/java/com/doumee/core/utils/PositionUtil.java
@@ -0,0 +1,231 @@
+package com.doumee.core.utils;
+
+
+import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.TypeReference;
+import com.doumee.dao.business.web.request.LocaltionDTO;
+
+import java.awt.geom.GeneralPath;
+import java.awt.geom.Point2D;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 璁＄畻璺濈
+ */
+public class PositionUtil {
+
+
+
+
+ public static String getTxMapAddrByLatAndLng(Double lat,Double lng,String host,String mapkey){
+ try {
+ if(lat == null || lng ==null){
+ return null;
+ }
+ String url =host +"/ws/geocoder/v1/?key="+mapkey+"&location="+lat+","+lng;
+ String res = HttpsUtil.get(url,false);
+ JSONObject jsonObject = JSONObject.parseObject(res );
+ String r = null;
+ if(jsonObject.getJSONObject("result")!=null){
+ if(jsonObject.getJSONObject("result").getJSONObject("formatted_addresses")!=null){
+ r =jsonObject.getJSONObject("result").getJSONObject("formatted_addresses").getString("recommend");
+ }
+ if(r==null || r.equals("")){
+ r =jsonObject.getJSONObject("result").getString("address");
+ }
+ }
+ return r;
+
+ }catch (Exception e){
+ e.printStackTrace();
+ }
+ 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) {
+// System.out.println(
+// PositionUtil.getTxMapAddrByLatAndLng(Double.valueOf("31.76792509"),Double.valueOf("117.23267758"),"https://apis.map.qq.com","3AYBZ-I5R3V-2BVP3-UWBDQ-ETBM5-B2BBQ")
+// );
+
+// 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( 117.39387876,31.71365546,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": 31.71553300,
+ "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
+ *
+ * @param pointLon 瑕佸垽鏂殑鐐圭殑缁忓害
+ * @param pointLat 瑕佸垽鏂殑鐐圭殑绾害
+ * @return true锛氳寖鍥村唴; false锛氳寖鍥村
+ */
+ public static boolean isInPolygon(double pointLon, double pointLat, List<LocaltionDTO> list) {
+ if(list==null ||list.size()==0){
+ return false;
+ }
+ double[] lon = new double[list.size()];
+ double[] lat = new double[list.size()];
+ for (int i = 0; i < list.size(); i++) {
+ lon[i] = list.get(i).getLng() ==null?0:list.get(i).getLng();
+ lat[i] = list.get(i).getLat() ==null?0:list.get(i).getLat();
+ }
+ // 灏嗚鍒ゆ柇鐨勬í绾靛潗鏍囩粍鎴愪竴涓偣
+ Point2D.Double point = new Point2D.Double(pointLon, pointLat);
+ // 灏嗗尯鍩熷悇椤剁偣鐨勬í绾靛潗鏍囨斁鍒颁竴涓偣闆嗗悎閲岄潰
+ List<Point2D.Double> pointList = new ArrayList<>();
+ double polygonPointToX;
+ double polygonPointToY;
+ for (int i = 0; i < lon.length; i++) {
+ polygonPointToX = lon[i];
+ polygonPointToY = lat[i];
+ Point2D.Double polygonPoint = new Point2D.Double(polygonPointToX, polygonPointToY);
+ pointList.add(polygonPoint);
+ }
+ return check(point, pointList);
+ }
+
+ /**
+ * 鍧愭爣鐐规槸鍚﹀湪澶氳竟褰㈠唴
+ *
+ * @param point 瑕佸垽鏂殑鐐圭殑妯旱鍧愭爣
+ * @param polygon 缁勬垚鐨勯《鐐瑰潗鏍囬泦鍚�
+ */
+ private static boolean check(Point2D.Double point, List<Point2D.Double> polygon) {
+ GeneralPath generalPath = new GeneralPath();
+
+ Point2D.Double first = polygon.get(0);
+ // 閫氳繃绉诲姩鍒版寚瀹氬潗鏍囷紙浠ュ弻绮惧害鎸囧畾锛夛紝灏嗕竴涓偣娣诲姞鍒拌矾寰勪腑
+ generalPath.moveTo(first.x, first.y);
+ polygon.remove(0);
+ for (Point2D.Double d : polygon) {
+ // 閫氳繃缁樺埗涓�鏉′粠褰撳墠鍧愭爣鍒版柊鎸囧畾鍧愭爣锛堜互鍙岀簿搴︽寚瀹氾級鐨勭洿绾匡紝灏嗕竴涓偣娣诲姞鍒拌矾寰勪腑銆�
+ generalPath.lineTo(d.x, d.y);
+ }
+ // 灏嗗嚑浣曞杈瑰舰灏侀棴
+ generalPath.lineTo(first.x, first.y);
+ generalPath.closePath();
+ // 娴嬭瘯鎸囧畾鐨� Point2D 鏄惁鍦� Shape 鐨勮竟鐣屽唴銆�
+ return generalPath.contains(point);
+ }
+
+}
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