From 7cd8d2a1e96de3d173bf5af64b4adc29c497db2a Mon Sep 17 00:00:00 2001
From: feiyu02 <risaku@163.com>
Date: 星期六, 12 十月 2024 17:38:07 +0800
Subject: [PATCH] 1. 新增评估结果批量修改相关接口(完成)

---
 src/main/kotlin/cn/flightfeather/supervision/business/location/CoordinateUtil.kt |   17 ++++++++++++++---
 1 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/main/kotlin/cn/flightfeather/supervision/business/location/CoordinateUtil.kt b/src/main/kotlin/cn/flightfeather/supervision/business/location/CoordinateUtil.kt
index a2678ce..e145035 100644
--- a/src/main/kotlin/cn/flightfeather/supervision/business/location/CoordinateUtil.kt
+++ b/src/main/kotlin/cn/flightfeather/supervision/business/location/CoordinateUtil.kt
@@ -1,8 +1,6 @@
 package cn.flightfeather.supervision.business.location
 
-import kotlin.math.PI
-import kotlin.math.cos
-import kotlin.math.sin
+import kotlin.math.*
 
 object CoordinateUtil {
 
@@ -32,4 +30,17 @@
     fun disToLng(distance: Double): Double {
         return distance * 0.00001
     }
+
+    fun calculateDistance(lon1: Double, lat1: Double, lon2: Double, lat2: Double): Double {
+        val R = 6371; // 鍦扮悆骞冲潎鍗婂緞锛屽崟浣嶅叕閲�
+        val dLat = (lat2 - lat1) * Math.PI / 180;
+        val dLon = (lon2 - lon1) * Math.PI / 180;
+        val a = sin(dLat / 2) * sin(dLat / 2) +
+                cos(lat1 * Math.PI / 180) * cos(lat2 * Math.PI / 180) *
+                sin(dLon / 2) * sin(dLon / 2);
+        val c = 2 * atan2(sqrt(a), sqrt(1 - a));
+        val distance = R * c;
+        return distance;
+    }
+
 }
\ No newline at end of file

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