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使用临时方案解决更新通道调用百度API问题

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648540858 3 years ago
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2 changed files with 176 additions and 41 deletions
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  1. 126
      src/main/java/com/genersoft/iot/vmp/utils/Coordtransform.java
  2. 87
      src/main/java/com/genersoft/iot/vmp/utils/GpsUtil.java

126
src/main/java/com/genersoft/iot/vmp/utils/Coordtransform.java
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@ -0,0 +1,126 @@
package com.genersoft.iot.vmp.utils;
/**
* 坐标转换
* 一个提供了百度坐标（BD09）、国测局坐标（火星坐标，GCJ02）、和WGS84坐标系之间的转换的工具类
* 参考https://github.com/wandergis/coordtransform 写的Java版本
* @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;
/**
* 百度坐标系 (BD-09) 与 火星坐标系 (GCJ-02)的转换
* 即 百度 转 谷歌、高德
* @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;
}
/**
* 火星坐标系 (GCJ-02) 与百度坐标系 (BD-09) 的转换
* 即谷歌、高德 转 百度
* @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转GCJ02
* @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转WGS84
* @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
* @描述: 判断是否在国内，不在国内则不做偏移
* @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);
};
}

87
src/main/java/com/genersoft/iot/vmp/utils/GpsUtil.java
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@ -17,48 +17,57 @@ public class GpsUtil {
public static BaiduPoint Wgs84ToBd09(String xx, String yy) { public static BaiduPoint Wgs84ToBd09(String xx, String yy) {
try { // try {
Socket s = new Socket("api.map.baidu.com", 80); // Socket s = new Socket("api.map.baidu.com", 80);
BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8")); // BufferedReader br = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8"));
OutputStream out = s.getOutputStream(); // OutputStream out = s.getOutputStream();
StringBuffer sb = new StringBuffer("GET /ag/coord/convert?from=0&to=4"); // StringBuffer sb = new StringBuffer("GET /ag/coord/convert?from=0&to=4");
sb.append("&x=" + xx + "&y=" + yy); // sb.append("&x=" + xx + "&y=" + yy);
sb.append("&callback=BMap.Convertor.cbk_3976 HTTP/1.1\r\n"); // 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("User-Agent: Java/1.6.0_20\r\n");
sb.append("Host: api.map.baidu.com:80\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("Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2\r\n");
sb.append("Connection: Close\r\n"); // sb.append("Connection: Close\r\n");
sb.append("\r\n"); // sb.append("\r\n");
out.write(sb.toString().getBytes()); // out.write(sb.toString().getBytes());
String json = ""; // String json = "";
String tmp = ""; // String tmp = "";
while ((tmp = br.readLine()) != null) { // while ((tmp = br.readLine()) != null) {
// logger.info(tmp); // // logger.info(tmp);
json += 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坐标无效！！");
// }
// out.close();
// br.close();
// } catch (Exception e) {
// e.printStackTrace();
// }
s.close(); double lng = Double.parseDouble(xx);
int start = json.indexOf("cbk_3976"); double lat = Double.parseDouble(yy);
int end = json.lastIndexOf("}"); Double[] gcj02 = Coordtransform.WGS84ToGCJ02(lng, lat);
if (start != -1 && end != -1 && json.contains("\"x\":\"")) { Double[] doubles = Coordtransform.GCJ02ToBD09(gcj02[0], gcj02[1]);
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(); BaiduPoint bdPoint= new BaiduPoint();
bdPoint.setBdLng(new String(decode(x))); bdPoint.setBdLng(doubles[0] + "");
bdPoint.setBdLat(new String(decode(y))); bdPoint.setBdLat(doubles[1] + "");
return bdPoint; return bdPoint;
//return (new String(decode(x)) + "," + new String(decode(y)));
} else {
logger.info("gps坐标无效！！");
}
out.close();
br.close();
} catch (Exception e) {
e.printStackTrace();
}
return null;
} }
/** /**

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