From f1ba329891967bca6d083a9d5722683a9fa2080b Mon Sep 17 00:00:00 2001
From: Pu Zhibing <393733352@qq.com>
Date: 星期一, 22 九月 2025 09:17:10 +0800
Subject: [PATCH] Merge branch 'dev' of http://120.76.84.145:10101/gitblit/r/java/ZhaoYangChuXing
---
DriverZYTravel/guns-admin/src/main/java/com/stylefeng/guns/modular/system/util/ElectricFenceUtil.java | 127 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 127 insertions(+), 0 deletions(-)
diff --git a/DriverZYTravel/guns-admin/src/main/java/com/stylefeng/guns/modular/system/util/ElectricFenceUtil.java b/DriverZYTravel/guns-admin/src/main/java/com/stylefeng/guns/modular/system/util/ElectricFenceUtil.java
new file mode 100644
index 0000000..7679220
--- /dev/null
+++ b/DriverZYTravel/guns-admin/src/main/java/com/stylefeng/guns/modular/system/util/ElectricFenceUtil.java
@@ -0,0 +1,127 @@
+package com.stylefeng.guns.modular.system.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 电子围栏工具类
+ */
+public class ElectricFenceUtil {
+
+// public static void main(String[] args) {
+// boolean b = monitorElectricFenc("30.96233482687816,114.0918266313389;30.688443972530024,113.79746988182933;30.278129271486836,114.13781987344977;30.250180498063333,114.57475567350305;30.513377702529993,114.74493066931328;30.755997553111357,114.7725266145798;30.966298453688317,114.5747556735030", "114.311754,30.598604");
+// System.err.println(b);
+// }
+
+
+ /**
+ * @return
+ */
+ public static boolean monitorElectricFenc(String coordinate, String locations){
+ return areaMonitoring(coordinate, locations);
+ }
+ public static boolean areaMonitoring(String coordinate, String lonLat){
+ boolean flag = false;
+ String[] split = coordinate.split(";");
+ List<Double> pointsX = new ArrayList<>();
+ List<Double> pointsY = new ArrayList<>();
+ for (String s : split) {
+ pointsX.add(Double.valueOf(s.split(",")[0]));
+ pointsY.add(Double.valueOf(s.split(",")[1]));
+ }
+ String lon1 = lonLat.split(",")[0];
+ String lat1 = lonLat.split(",")[1];
+ boolean inPolygon = isInPolygon(Double.valueOf(lon1), Double.valueOf(lat1), pointsX, pointsY);
+ if (inPolygon){
+ flag = true;
+ }
+ return flag;
+ }
+
+
+ /**
+ // * 判断点是否在多边形内
+ // * @param px 测试点
+ // * @param polygonXA 多边形的点
+ // * @return boolean true:在多边形内, false:在多边形外
+ // * @throws
+ // * @Title: IsPointInPoly
+ // */
+ public static boolean isInPolygon(double px, double py,List<Double> polygonXA, List<Double> polygonYA) {
+ boolean isInside = false;
+ double ESP = 1e-9;
+ int count = 0;
+ double linePoint1x;
+ double linePoint1y;
+ double linePoint2x = 180;
+ double linePoint2y;
+
+ linePoint1x = px;
+ linePoint1y = py;
+ linePoint2y = py;
+
+ for (int i = 0; i < polygonXA.size() - 1; i++) {
+ double cx1 = polygonXA.get(i);
+ double cy1 = polygonYA.get(i);
+ double cx2 = polygonXA.get(i + 1);
+ double cy2 = polygonYA.get(i + 1);
+ if (isPointOnLine(px, py, cx1, cy1, cx2, cy2)) {
+ return true;
+ }
+ if (Math.abs(cy2 - cy1) < ESP) {
+ continue;
+ }
+
+ if (isPointOnLine(cx1, cy1, linePoint1x, linePoint1y, linePoint2x,
+ linePoint2y)) {
+ if (cy1 > cy2)
+ count++;
+ } else if (isPointOnLine(cx2, cy2, linePoint1x, linePoint1y,
+ linePoint2x, linePoint2y)) {
+ if (cy2 > cy1)
+ count++;
+ } else if (isIntersect(cx1, cy1, cx2, cy2, linePoint1x,
+ linePoint1y, linePoint2x, linePoint2y)) {
+ count++;
+ }
+ }
+ if (count % 2 == 1) {
+ isInside = true;
+ }
+
+ return isInside;
+ }
+ public static double Multiply(double px0, double py0, double px1, double py1,
+ double px2, double py2) {
+ return ((px1 - px0) * (py2 - py0) - (px2 - px0) * (py1 - py0));
+ }
+
+ public static boolean isPointOnLine(double px0, double py0, double px1,
+ double py1, double px2, double py2) {
+ boolean flag = false;
+ double ESP = 1e-9;
+ if ((Math.abs(Multiply(px0, py0, px1, py1, px2, py2)) < ESP)
+ && ((px0 - px1) * (px0 - px2) <= 0)
+ && ((py0 - py1) * (py0 - py2) <= 0)) {
+ flag = true;
+ }
+ return flag;
+ }
+
+ public static boolean isIntersect(double px1, double py1, double px2, double py2,
+ double px3, double py3, double px4, double py4) {
+ boolean flag = false;
+ double d = (px2 - px1) * (py4 - py3) - (py2 - py1) * (px4 - px3);
+ if (d != 0) {
+ double r = ((py1 - py3) * (px4 - px3) - (px1 - px3) * (py4 - py3))
+ / d;
+ double s = ((py1 - py3) * (px2 - px1) - (px1 - px3) * (py2 - py1))
+ / d;
+ if ((r >= 0) && (r <= 1) && (s >= 0) && (s <= 1)) {
+ flag = true;
+ }
+ }
+ return flag;
+ }
+
+}
--
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