From eb46b186dd388a8544a165fc8f64bdd7b92f7690 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=8E=8B=E5=85=B4=E7=90=B3?= <1911390090@qq.com> Date: Tue, 16 Jul 2024 15:22:35 +0800 Subject: [PATCH] =?UTF-8?q?=E9=A6=96=E9=A0=81=E8=B7=AF=E5=86=B5=20?= =?UTF-8?q?=E6=8E=92=E5=BA=8F?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../impl/DcTrafficStatisticsServiceImpl.java | 107 +++++++++++++++--- 1 file changed, 91 insertions(+), 16 deletions(-) diff --git a/zc-business/src/main/java/com/zc/business/service/impl/DcTrafficStatisticsServiceImpl.java b/zc-business/src/main/java/com/zc/business/service/impl/DcTrafficStatisticsServiceImpl.java index a645c260..247cce35 100644 --- a/zc-business/src/main/java/com/zc/business/service/impl/DcTrafficStatisticsServiceImpl.java +++ b/zc-business/src/main/java/com/zc/business/service/impl/DcTrafficStatisticsServiceImpl.java @@ -1157,23 +1157,59 @@ public class DcTrafficStatisticsServiceImpl implements IDcTrafficStatisticsServi double startPileNo = jsonObject.getDouble("start_pile_no"); String stakeMark = formatNumber(startPileNo); jsonObject.put("stakeMark", stakeMark);// + String link_lng_lats = jsonObject.getString("link_lng_lats"); + System.out.println("排序前："+link_lng_lats); + String string = jsonObject.getString("list_link_info"); + JSONArray jsonlist = JSON.parseArray(string); + JSONObject o = (JSONObject) jsonlist.get(UniversalEnum.ZERO.getNumber()); + + String string1 = o.getString("firstPoint"); + String[] split = string1.split(","); + double firstLon = Double.parseDouble(split[UniversalEnum.ZERO.getNumber()]); + double firstLat = Double.parseDouble(split[UniversalEnum.ONE.getNumber()]); + String string2 = o.getString("lastPoint"); + String lngLats = o.getString("lngLats"); + String[] lngLatsString = lngLats.split(";"); + List locations = new ArrayList<>(); + for (String s1 : lngLatsString) { + String[] s2 = s1.split(","); + locations.add(new Location(Double.parseDouble(s2[1]), Double.parseDouble(s2[0]))); // 示例地点1 + } + double fixedLat = firstLat; // Los Angeles的纬度 + System.out.println("Lat Angeles的纬度"+fixedLat); + double fixedLon = firstLon; // Los Angeles的经度 + System.out.println("Lon Angeles的纬度"+fixedLon); + + // 根据距离固定点的远近排序 + // Collections.sort(locations, Comparator.comparingDouble(location -> haversineDistance(fixedLat, fixedLon, location.latitude, location.longitude))); + // 按照经度升序排序坐标数组 + Collections.sort(locations, Comparator.comparingDouble(location ->location.getLongitude())); + + // 将排序后的坐标重新格式化为原始的字符串格式 + StringBuilder sortedLngLatsBuilder = new StringBuilder(); + // 输出排序后的地点及其距离 + for (int i = 0; i < locations.size(); i++) { + Location loc = locations.get(i); + if (i > 0) { + sortedLngLatsBuilder.append(";"); + } + sortedLngLatsBuilder.append(loc.longitude) + .append(",") + .append(loc.latitude); + // System.out.println("Location " + (i + 1) + ": (" + loc.latitude + ", " + loc.longitude + ") - Distance from Los Angeles: " + haversineDistance(fixedLat, fixedLon, loc.latitude, loc.longitude) + " km"); + } + String sortedLngLats = sortedLngLatsBuilder.toString(); + jsonObject.put("link_lng_lats",sortedLngLats); + System.out.println("排序后的坐标字符串：" + sortedLngLats); + //as_one_road //是否为同一条路，1-是，0-否 if (asOneRoad == UniversalEnum.ZERO.getNumber()) { - - String string = jsonObject.getString("list_link_info"); - JSONArray jsonlist = JSON.parseArray(string); - JSONObject o = (JSONObject) jsonlist.get(UniversalEnum.ZERO.getNumber()); - - String string1 = o.getString("firstPoint"); - String string2 = o.getString("lastPoint"); - String lngLats = o.getString("lngLats"); - String[] lngLatsString = lngLats.split(";"); - double s = Double.parseDouble(lngLatsString[UniversalEnum.ZERO.getNumber()].split(",")[UniversalEnum.ZERO.getNumber()]); - double s2 = Double.parseDouble(lngLatsString[UniversalEnum.ZERO.getNumber()].split(",")[UniversalEnum.ONE.getNumber()]); - double s3 = Double.parseDouble(lngLatsString[lngLatsString.length - UniversalEnum.ONE.getNumber()].split(",")[UniversalEnum.ZERO.getNumber()]); - double s4 = Double.parseDouble(lngLatsString[lngLatsString.length - UniversalEnum.ONE.getNumber()].split(",")[UniversalEnum.ONE.getNumber()]); + double s = locations.get(UniversalEnum.ZERO.getNumber()).longitude; + double s2 =locations.get(UniversalEnum.ZERO.getNumber()).latitude ; + double s3 = locations.get(locations.size()-UniversalEnum.ONE.getNumber()).longitude; + double s4 = locations.get(locations.size()-UniversalEnum.ONE.getNumber()).latitude; double distanceM = calculateDistance(s2, s, s4, s3); // System.out.printf("最大距离为: %.2f 米%n", distanceM); jsonObject.put("max_jam_dist", distanceM);//最大拥堵距离 @@ -1181,9 +1217,7 @@ public class DcTrafficStatisticsServiceImpl implements IDcTrafficStatisticsServi String endmark = formatNumber(endMake); jsonObject.put("endMark", endmark);//结束桩号 - String[] split = string1.split(","); - double firstLon = Double.parseDouble(split[UniversalEnum.ZERO.getNumber()]); - double firstLat = Double.parseDouble(split[UniversalEnum.ONE.getNumber()]); + String[] split2 = string2.split(","); double lastLon = Double.parseDouble(split2[UniversalEnum.ZERO.getNumber()]); double lastLat = Double.parseDouble(split2[UniversalEnum.ONE.getNumber()]); @@ -1353,5 +1387,46 @@ public class DcTrafficStatisticsServiceImpl implements IDcTrafficStatisticsServi return distance; } + static class Location { + double latitude; + double longitude; + + // 构造函数 + public Location(double latitude, double longitude) { + this.latitude = latitude; + this.longitude = longitude; + } + + // Getter 和 Setter（可选） + public double getLatitude() { + return latitude; + } + + public void setLatitude(double latitude) { + this.latitude = latitude; + } + + public double getLongitude() { + return longitude; + } + + public void setLongitude(double longitude) { + this.longitude = longitude; + } + } + + // 使用哈弗辛公式计算两点之间的距离（单位：千米） + static double haversineDistance(double lat1, double lon1, double lat2, double lon2) { + final int R = 6371; // 地球半径，单位千米 + double dLat = Math.toRadians(lat2 - lat1); + double dLon = Math.toRadians(lon2 - lon1); + lat1 = Math.toRadians(lat1); + lat2 = Math.toRadians(lat2); + + double a = Math.sin(dLat / 2) * Math.sin(dLat / 2) + + Math.sin(dLon / 2) * Math.sin(dLon / 2) * Math.cos(lat1) * Math.cos(lat2); + double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a)); + return R * c; + } }