From 3a154bdb0a5aaa2c0ac3eac95a6ba747068bd454 Mon Sep 17 00:00:00 2001
From: MrShi <1878285526@qq.com>
Date: 星期二, 13 一月 2026 10:00:37 +0800
Subject: [PATCH] 优化
---
server/visits/dmvisit_service/src/main/java/com/doumee/core/tsp/DistanceCalculator.java | 172 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 172 insertions(+), 0 deletions(-)
diff --git a/server/visits/dmvisit_service/src/main/java/com/doumee/core/tsp/DistanceCalculator.java b/server/visits/dmvisit_service/src/main/java/com/doumee/core/tsp/DistanceCalculator.java
new file mode 100644
index 0000000..17a6b87
--- /dev/null
+++ b/server/visits/dmvisit_service/src/main/java/com/doumee/core/tsp/DistanceCalculator.java
@@ -0,0 +1,172 @@
+package com.doumee.core.tsp;
+
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
+import com.doumee.core.utils.Constants;
+import com.doumee.core.utils.HttpsUtil;
+import com.doumee.dao.business.model.JkCustomer;
+import com.doumee.dao.business.model.JkSketchCustomer;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Date;
+
+@Slf4j
+public class DistanceCalculator {
+ private static final double EARTH_RADIUS = 6371.0; // 鍦扮悆鍗婂緞锛堝崟浣嶏細鍏噷锛�
+
+ public static void main(String[] args) {
+ //118.363428,31.326485
+ //118.363312,31.326638
+ JkCustomer start = new JkCustomer();
+ start.setId(-1);
+ start.setLongitude(new BigDecimal(118.39));
+ start.setLatitude(new BigDecimal(31.28));
+
+
+ JkCustomer c = new JkCustomer();
+ c.setId(-2);
+ c.setLongitude(new BigDecimal(118.328593));
+ c.setLatitude(new BigDecimal(30.914289));
+ String url="https://restapi.amap.com/v3/direction/driving?origin=${long1},${lat1}&destination=${long2},${lat2}&extensions=basel&key=248ee35dcdfe3f399ffaf12ac4299eca";
+ DistanceCustomerModel dm = DistanceCalculator.calculateDistanceGaode(url,start,c);
+ System.out.println(dm.getDistance());
+ }
+
+ public static DistanceCustomerModel calculateDistanceGaode(String urlStr, JkCustomer c1, JkCustomer c2) {
+ DistanceCustomerModel r =new DistanceCustomerModel();
+ r.setStart(c1);
+ r.setEnd(c2);
+ r.setDistance(0);
+ r.setCode(0);
+ r.setLocations( new ArrayList<>());
+ try {
+ String url =urlStr.replace("${lat1}", Constants.formatBigdecimalScale(c1.getLatitude(),6)+"")
+ .replace("${lat2}",Constants.formatBigdecimalScale(c2.getLatitude(),6)+"")
+ .replace("${long1}",Constants.formatBigdecimalScale(c1.getLongitude(),6)+"")
+ .replace("${long2}",Constants.formatBigdecimalScale(c2.getLongitude(),6)+"");
+ String result = HttpsUtil.get(url ,true);
+ JSONObject json = JSONObject.parseObject(result);
+ if(json!=null
+ && json.getInteger("status")!=null
+ && json.getInteger("status") ==1
+ && json.getJSONObject("route")!=null
+ && json.getJSONObject("route").getJSONArray("paths") !=null
+ && json.getJSONObject("route").getJSONArray("paths") .size()>0 ){
+ JSONArray array = json.getJSONObject("route").getJSONArray("paths");
+ JSONObject model = array.getJSONObject(0);//鍙栫涓�涓�
+ Long distance = Long.parseLong(model.getString("distance"));
+ r.setDistance(distance);
+ JSONArray steps = model.getJSONArray("steps");
+ String tl = "";
+ if(steps!=null && steps.size()>0){
+ for (int i = 0; i < steps.size(); i++) {
+ if(StringUtils.isBlank(steps.getJSONObject(i).getString("polyline" ))){
+ continue;
+ }
+ if(!tl.equals("") &&!tl.endsWith(";")){
+ tl += ";";
+ }
+ tl+= steps.getJSONObject(i).getString("polyline" );
+ }
+ }
+ r.setPolyline(tl);
+ r.setLocations(Arrays.asList(tl.split(";")));
+ r.setCode(1);
+ log.error("鑾峰彇浜ら�氳鍒掔嚎璺俊鎭垚鍔�==============");
+ }else{
+ log.error("鑾峰彇浜ら�氳鍒掔嚎璺俊鎭垚鍔�=====澶辫触锛侊紒========="+c1.getName()+"==="+c2.getName()+result);
+ }
+ }catch (Exception e){
+ log.error("鑾峰彇浜ら�氳鍒掔嚎璺俊鎭垚鍔�=====澶辫触=========="+c1.getName()+"==="+c2.getName());
+ }
+
+ return r ;
+ }
+ public static DistanceModel calculateDistanceGaode(String urlStr, JkSketchCustomer c1, JkSketchCustomer c2) {
+ DistanceModel r =new DistanceModel();
+ r.setStart(c1);
+ r.setEnd(c2);
+ r.setDistance(0);
+ r.setCode(0);
+ r.setLocations( new ArrayList<>());
+ try {
+ String url =urlStr.replace("${lat1}", Constants.formatBigdecimalScale(c1.getLatitude(),6)+"")
+ .replace("${lat2}",Constants.formatBigdecimalScale(c2.getLatitude(),6)+"")
+ .replace("${long1}",Constants.formatBigdecimalScale(c1.getLongitude(),6)+"")
+ .replace("${long2}",Constants.formatBigdecimalScale(c2.getLongitude(),6)+"");
+ String result = HttpsUtil.get(url ,true);
+ JSONObject json = JSONObject.parseObject(result);
+ if(json!=null
+ && json.getInteger("status")!=null
+ && json.getInteger("status") ==1
+ && json.getJSONObject("route")!=null
+ && json.getJSONObject("route").getJSONArray("paths") !=null
+ && json.getJSONObject("route").getJSONArray("paths") .size()>0 ){
+ JSONArray array = json.getJSONObject("route").getJSONArray("paths");
+ JSONObject model = array.getJSONObject(0);//鍙栫涓�涓�
+ Long distance = Long.parseLong(model.getString("distance"));
+ r.setDistance(distance);
+ JSONArray steps = model.getJSONArray("steps");
+ String tl = "";
+ if(steps!=null && steps.size()>0){
+ for (int i = 0; i < steps.size(); i++) {
+ if(StringUtils.isBlank(steps.getJSONObject(i).getString("polyline" ))){
+ continue;
+ }
+ if(!tl.equals("") &&!tl.endsWith(";")){
+ tl += ";";
+ }
+ tl+= steps.getJSONObject(i).getString("polyline" );
+ }
+ }
+ r.setPolyline(tl);
+ r.setLocations(Arrays.asList(tl.split(";")));
+ r.setCode(1);
+ log.error("鑾峰彇浜ら�氳鍒掔嚎璺俊鎭垚鍔�==============");
+ }else{
+ log.error("鑾峰彇浜ら�氳鍒掔嚎璺俊鎭垚鍔�=====澶辫触锛侊紒=========");
+ }
+ }catch (Exception e){
+ log.error("鑾峰彇浜ら�氳鍒掔嚎璺俊鎭垚鍔�=====澶辫触==========");
+ }
+
+ return r ;
+ }
+
+ private BigDecimal getDecimalByVal(String val) {
+ try {
+ return new BigDecimal(val);
+ }catch (Exception e){
+
+ }
+ return null;
+ }
+ public static long calculateDistance (double lat1, double lon1, double lat2, double lon2) {
+ double dLat = Math.toRadians(lat2 - lat1);
+ double dLon = Math.toRadians(lon2 - lon1);
+
+ double a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
+ Math.cos(Math.toRadians(lat1)) * Math.cos(Math.toRadians(lat2)) *
+ Math.sin(dLon / 2) * Math.sin(dLon / 2);
+ double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+
+ return (long) (EARTH_RADIUS * c * 1000);
+ }
+ public static long calculateDistanceDecinal (BigDecimal lat1, BigDecimal lon1, BigDecimal lat2, BigDecimal lon2) {
+ double dLat = Math.toRadians(Constants.formatBigdecimal(lat2).doubleValue() - Constants.formatBigdecimal(lat1).doubleValue());
+ double dLon = Math.toRadians(Constants.formatBigdecimal(lon2).doubleValue() - Constants.formatBigdecimal(lon1).doubleValue() );
+
+ double a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
+ Math.cos(Math.toRadians(Constants.formatBigdecimal(lat1).doubleValue()))
+ * Math.cos(Math.toRadians(Constants.formatBigdecimal(lat2).doubleValue())) *
+ Math.sin(dLon / 2) * Math.sin(dLon / 2);
+ double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+
+ return (long) (EARTH_RADIUS * c * 1000);
+ }
+}
\ No newline at end of file
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