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 -- Gitblit v1.9.3