From 40fb794798897da0873db4bb03fe04200d874003 Mon Sep 17 00:00:00 2001
From: 648540858 <456panlinlin>
Date: 星期一, 11 四月 2022 15:30:49 +0800
Subject: [PATCH] 使用临时方案解决更新通道调用百度API问题

---
 src/main/java/com/genersoft/iot/vmp/utils/GpsUtil.java        |   91 ++++++++++++----------
 src/main/java/com/genersoft/iot/vmp/utils/Coordtransform.java |  126 +++++++++++++++++++++++++++++++
 2 files changed, 176 insertions(+), 41 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/utils/Coordtransform.java b/src/main/java/com/genersoft/iot/vmp/utils/Coordtransform.java
new file mode 100644
index 0000000..c10357c
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/utils/Coordtransform.java
@@ -0,0 +1,126 @@
+package com.genersoft.iot.vmp.utils;
+
+/**
+ * 鍧愭爣杞崲
+ * 涓�涓彁渚涗簡鐧惧害鍧愭爣锛圔D09锛夈�佸浗娴嬪眬鍧愭爣锛堢伀鏄熷潗鏍囷紝GCJ02锛夈�佸拰WGS84鍧愭爣绯讳箣闂寸殑杞崲鐨勫伐鍏风被
+ * 鍙傝�僪ttps://github.com/wandergis/coordtransform 鍐欑殑Java鐗堟湰
+ * @author Xinconan
+ * @date 2016-03-18
+ * @url https://github.com/xinconan/coordtransform
+ */
+public class Coordtransform {
+
+	private static double x_PI = 3.14159265358979324 * 3000.0 / 180.0;
+	private static double PI = 3.1415926535897932384626;
+	private static double a = 6378245.0;
+	private static double ee = 0.00669342162296594323;
+	
+	/**
+	 * 鐧惧害鍧愭爣绯� (BD-09) 涓� 鐏槦鍧愭爣绯� (GCJ-02)鐨勮浆鎹�
+     * 鍗� 鐧惧害 杞� 璋锋瓕銆侀珮寰�
+	 * @param bd_lon
+	 * @param bd_lat
+	 * @return Double[lon,lat]
+	 */
+	public static Double[] BD09ToGCJ02(Double bd_lon,Double bd_lat){
+		double x = bd_lon - 0.0065;
+		double y = bd_lat - 0.006;
+		double z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * x_PI);
+		double theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * x_PI);
+		Double[] arr = new Double[2];
+		arr[0] = z * Math.cos(theta);
+		arr[1] = z * Math.sin(theta);
+		return arr;
+	}
+	
+	/**
+	 * 鐏槦鍧愭爣绯� (GCJ-02) 涓庣櫨搴﹀潗鏍囩郴 (BD-09) 鐨勮浆鎹�
+     * 鍗宠胺姝屻�侀珮寰� 杞� 鐧惧害
+	 * @param gcj_lon
+	 * @param gcj_lat
+	 * @return Double[lon,lat]
+	 */
+	public static Double[] GCJ02ToBD09(Double gcj_lon,Double gcj_lat){
+		double z = Math.sqrt(gcj_lon * gcj_lon + gcj_lat * gcj_lat) + 0.00002 * Math.sin(gcj_lat * x_PI);
+		double theta = Math.atan2(gcj_lat, gcj_lon) + 0.000003 * Math.cos(gcj_lon * x_PI);
+		Double[] arr = new Double[2];
+		arr[0] = z * Math.cos(theta) + 0.0065;
+		arr[1] = z * Math.sin(theta) + 0.006;
+		return arr;
+	}
+	
+	/**
+	 * WGS84杞珿CJ02
+	 * @param wgs_lon
+	 * @param wgs_lat
+	 * @return Double[lon,lat]
+	 */
+	public static Double[] WGS84ToGCJ02(Double wgs_lon,Double wgs_lat){
+		if(outOfChina(wgs_lon, wgs_lat)){
+			return new Double[]{wgs_lon,wgs_lat};
+		}
+		double dlat = transformlat(wgs_lon - 105.0, wgs_lat - 35.0);
+		double dlng = transformlng(wgs_lon - 105.0, wgs_lat - 35.0);
+		double radlat = wgs_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);
+        dlng = (dlng * 180.0) / (a / sqrtmagic * Math.cos(radlat) * PI);
+        Double[] arr = new Double[2];
+        arr[0] = wgs_lon + dlng;
+        arr[1] = wgs_lat + dlat;
+		return arr;
+	}
+	
+	/**
+	 * GCJ02杞琖GS84
+	 * @param gcj_lon
+	 * @param gcj_lat
+	 * @return Double[lon,lat]
+	 */
+	public static Double[] GCJ02ToWGS84(Double gcj_lon,Double gcj_lat){
+		if(outOfChina(gcj_lon, gcj_lat)){
+			return new Double[]{gcj_lon,gcj_lat};
+		}
+		double dlat = transformlat(gcj_lon - 105.0, gcj_lat - 35.0);
+		double dlng = transformlng(gcj_lon - 105.0, gcj_lat - 35.0);
+		double radlat = gcj_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);
+        dlng = (dlng * 180.0) / (a / sqrtmagic * Math.cos(radlat) * PI);
+        double mglat = gcj_lat + dlat;
+        double mglng = gcj_lon + dlng;
+        return new Double[]{gcj_lon * 2 - mglng, gcj_lat * 2 - mglat};
+	}
+	
+	private static Double transformlat(double lng, double lat) {
+        double ret = -100.0 + 2.0 * lng + 3.0 * lat + 0.2 * lat * lat + 0.1 * lng * lat + 0.2 * Math.sqrt(Math.abs(lng));
+        ret += (20.0 * Math.sin(6.0 * lng * PI) + 20.0 * Math.sin(2.0 * lng * PI)) * 2.0 / 3.0;
+        ret += (20.0 * Math.sin(lat * PI) + 40.0 * Math.sin(lat / 3.0 * PI)) * 2.0 / 3.0;
+        ret += (160.0 * Math.sin(lat / 12.0 * PI) + 320 * Math.sin(lat * PI / 30.0)) * 2.0 / 3.0;
+        return ret;
+    }
+	
+	private static Double transformlng(double lng,double lat) {
+        double ret = 300.0 + lng + 2.0 * lat + 0.1 * lng * lng + 0.1 * lng * lat + 0.1 * Math.sqrt(Math.abs(lng));
+        ret += (20.0 * Math.sin(6.0 * lng * PI) + 20.0 * Math.sin(2.0 * lng * PI)) * 2.0 / 3.0;
+        ret += (20.0 * Math.sin(lng * PI) + 40.0 * Math.sin(lng / 3.0 * PI)) * 2.0 / 3.0;
+        ret += (150.0 * Math.sin(lng / 12.0 * PI) + 300.0 * Math.sin(lng / 30.0 * PI)) * 2.0 / 3.0;
+        return ret;
+    }
+	
+	/**
+	 * outOfChina
+	 * @鎻忚堪: 鍒ゆ柇鏄惁鍦ㄥ浗鍐咃紝涓嶅湪鍥藉唴鍒欎笉鍋氬亸绉�
+	 * @param lng
+	 * @param lat
+	 * @return {boolean}
+	 */
+	private static boolean outOfChina(Double lng,Double lat) {
+        return (lng < 72.004 || lng > 137.8347) || ((lat < 0.8293 || lat > 55.8271) || false);
+    };
+	
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/utils/GpsUtil.java b/src/main/java/com/genersoft/iot/vmp/utils/GpsUtil.java
index 53e6a61..47f9421 100644
--- a/src/main/java/com/genersoft/iot/vmp/utils/GpsUtil.java
+++ b/src/main/java/com/genersoft/iot/vmp/utils/GpsUtil.java
@@ -17,48 +17,57 @@
     public static BaiduPoint Wgs84ToBd09(String xx, String yy) {
 
 
-        try {
-            Socket s = new Socket("api.map.baidu.com", 80);
-            BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8"));
-            OutputStream out = s.getOutputStream();
-            StringBuffer sb = new StringBuffer("GET /ag/coord/convert?from=0&to=4");
-            sb.append("&x=" + xx + "&y=" + yy);
-            sb.append("&callback=BMap.Convertor.cbk_3976 HTTP/1.1\r\n");
-            sb.append("User-Agent: Java/1.6.0_20\r\n");
-            sb.append("Host: api.map.baidu.com:80\r\n");
-            sb.append("Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2\r\n");
-            sb.append("Connection: Close\r\n");
-            sb.append("\r\n");
-            out.write(sb.toString().getBytes());
-            String json = "";
-            String tmp = "";
-            while ((tmp = br.readLine()) != null) {
-                // logger.info(tmp);
-                json += tmp;
-            }
+//        try {
+//            Socket s = new Socket("api.map.baidu.com", 80);
+//            BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8"));
+//            OutputStream out = s.getOutputStream();
+//            StringBuffer sb = new StringBuffer("GET /ag/coord/convert?from=0&to=4");
+//            sb.append("&x=" + xx + "&y=" + yy);
+//            sb.append("&callback=BMap.Convertor.cbk_3976 HTTP/1.1\r\n");
+//            sb.append("User-Agent: Java/1.6.0_20\r\n");
+//            sb.append("Host: api.map.baidu.com:80\r\n");
+//            sb.append("Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2\r\n");
+//            sb.append("Connection: Close\r\n");
+//            sb.append("\r\n");
+//            out.write(sb.toString().getBytes());
+//            String json = "";
+//            String tmp = "";
+//            while ((tmp = br.readLine()) != null) {
+//                // logger.info(tmp);
+//                json += tmp;
+//            }
+//
+//            s.close();
+//            int start = json.indexOf("cbk_3976");
+//            int end = json.lastIndexOf("}");
+//            if (start != -1 && end != -1 && json.contains("\"x\":\"")) {
+//                json = json.substring(start, end);
+//                String[] point = json.split(",");
+//                String x = point[1].split(":")[1].replace("\"", "");
+//                String y = point[2].split(":")[1].replace("\"", "");
+//                BaiduPoint bdPoint= new BaiduPoint();
+//                bdPoint.setBdLng(new String(decode(x)));
+//                bdPoint.setBdLat(new String(decode(y)));
+//                return bdPoint;
+//                //return (new String(decode(x)) + "," + new String(decode(y)));
+//            } else {
+//                logger.info("gps鍧愭爣鏃犳晥锛侊紒");
+//            }
+//            out.close();
+//            br.close();
+//        } catch (Exception e) {
+//            e.printStackTrace();
+//        }
 
-            s.close();
-            int start = json.indexOf("cbk_3976");
-            int end = json.lastIndexOf("}");
-            if (start != -1 && end != -1 && json.contains("\"x\":\"")) {
-                json = json.substring(start, end);
-                String[] point = json.split(",");
-                String x = point[1].split(":")[1].replace("\"", "");
-                String y = point[2].split(":")[1].replace("\"", "");
-                BaiduPoint bdPoint= new BaiduPoint();
-                bdPoint.setBdLng(new String(decode(x)));
-                bdPoint.setBdLat(new String(decode(y)));
-                return bdPoint;
-                //return (new String(decode(x)) + "," + new String(decode(y)));
-            } else {
-                logger.info("gps鍧愭爣鏃犳晥锛侊紒");
-            }
-            out.close();
-            br.close();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        return null;
+
+        double lng = Double.parseDouble(xx);
+        double lat = Double.parseDouble(yy);
+        Double[] gcj02 = Coordtransform.WGS84ToGCJ02(lng, lat);
+        Double[] doubles = Coordtransform.GCJ02ToBD09(gcj02[0], gcj02[1]);
+        BaiduPoint bdPoint= new BaiduPoint();
+        bdPoint.setBdLng(doubles[0] + "");
+        bdPoint.setBdLat(doubles[1] + "");
+        return bdPoint;
     }
 
     /**

--
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