From 02d139201c9082f35dc11ff36d3211f2334939c1 Mon Sep 17 00:00:00 2001
From: majian314 <hi34384320@aliyun.com>
Date: Tue, 14 Oct 2025 16:57:14 +0800
Subject: [PATCH] =?UTF-8?q?=E7=94=B5=E5=AD=90=E5=9B=B4=E6=A0=8F?=
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---
 .../operation/domain/ZcElectronicFence.java   |  9 +-
 .../operation/util/CoordinateConverter.java   | 97 +++++++++++++++++++
 2 files changed, 100 insertions(+), 6 deletions(-)
 create mode 100644 ruoyi-admin/src/main/java/com/ruoyi/operation/util/CoordinateConverter.java

diff --git a/ruoyi-admin/src/main/java/com/ruoyi/operation/domain/ZcElectronicFence.java b/ruoyi-admin/src/main/java/com/ruoyi/operation/domain/ZcElectronicFence.java
index e3a70ec..3ad385c 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/operation/domain/ZcElectronicFence.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/operation/domain/ZcElectronicFence.java
@@ -39,16 +39,13 @@ public class ZcElectronicFence extends BaseEntity
     /** 删除标志（0代表存在 2代表删除） */
     private String delFlag;
 
-    /**  */
-    @Excel(name = "")
+
     private String extend1;
 
-    /**  */
-    @Excel(name = "")
+ 
     private String extend2;
 
-    /**  */
-    @Excel(name = "")
+
     private String extend3;
 
     @Transient
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/operation/util/CoordinateConverter.java b/ruoyi-admin/src/main/java/com/ruoyi/operation/util/CoordinateConverter.java
new file mode 100644
index 0000000..214cfd8
--- /dev/null
+++ b/ruoyi-admin/src/main/java/com/ruoyi/operation/util/CoordinateConverter.java
@@ -0,0 +1,97 @@
+package com.ruoyi.operation.util;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @Description TODO
+ * @Author maj
+ * @Date 2025/10/14 16:09
+ */
+public class CoordinateConverter {
+
+    private static final double PI = 3.14159265358979324;
+    private static final double A = 6378245.0;
+    private static final double EE = 0.00669342162296594323;
+
+    /**
+     * GCJ-02 转 WGS-84
+     */
+    public static Map<String, Double> gcj02ToWgs84(double lng, double lat) {
+        if (outOfChina(lng, lat)) {
+            return createResult(lng, lat);
+        }
+
+        double[] delta = transform(lng, lat);
+        double mgLat = lat + delta[0];
+        double mgLng = lng + delta[1];
+
+        // 迭代计算
+        double newLat = lat * 2 - mgLat;
+        double newLng = lng * 2 - mgLng;
+
+        return createResult(newLng, newLat);
+    }
+
+    /**
+     * 判断坐标是否在中国范围内
+     */
+    private static boolean outOfChina(double lng, double lat) {
+        return lng < 72.004 || lng > 137.8347 || lat < 0.8293 || lat > 55.8271;
+    }
+
+    /**
+     * 转换计算
+     */
+    private static double[] transform(double lng, double lat) {
+        double dLat = transformLat(lng - 105.0, lat - 35.0);
+        double dLng = transformLng(lng - 105.0, lat - 35.0);
+
+        double radLat = lat / 180.0 * PI;
+        double magic = Math.sin(radLat);
+        magic = 1 - EE * magic * magic;
+        double sqrtMagic = Math.sqrt(magic);
+
+        dLat = (dLat * 180.0) / ((A * (1 - EE)) / (magic * sqrtMagic) * PI);
+        dLng = (dLng * 180.0) / (A / sqrtMagic * Math.cos(radLat) * PI);
+
+        return new double[]{dLat, dLng};
+    }
+
+    private static double transformLat(double x, double y) {
+        double ret = -100.0 + 2.0 * x + 3.0 * y + 0.2 * y * y + 0.1 * x * y + 0.2 * Math.sqrt(Math.abs(x));
+        ret += (20.0 * Math.sin(6.0 * x * PI) + 20.0 * Math.sin(2.0 * x * PI)) * 2.0 / 3.0;
+        ret += (20.0 * Math.sin(y * PI) + 40.0 * Math.sin(y / 3.0 * PI)) * 2.0 / 3.0;
+        ret += (160.0 * Math.sin(y / 12.0 * PI) + 320 * Math.sin(y * PI / 30.0)) * 2.0 / 3.0;
+        return ret;
+    }
+
+    private static double transformLng(double x, double y) {
+        double ret = 300.0 + x + 2.0 * y + 0.1 * x * x + 0.1 * x * y + 0.1 * Math.sqrt(Math.abs(x));
+        ret += (20.0 * Math.sin(6.0 * x * PI) + 20.0 * Math.sin(2.0 * x * PI)) * 2.0 / 3.0;
+        ret += (20.0 * Math.sin(x * PI) + 40.0 * Math.sin(x / 3.0 * PI)) * 2.0 / 3.0;
+        ret += (150.0 * Math.sin(x / 12.0 * PI) + 300.0 * Math.sin(x / 30.0 * PI)) * 2.0 / 3.0;
+        return ret;
+    }
+
+    private static Map<String, Double> createResult(double lng, double lat) {
+        Map<String, Double> result = new HashMap<>();
+        result.put("lng", lng);
+        result.put("lat", lat);
+        return result;
+    }
+
+    // 使用示例
+    public static void main(String[] args) {
+        // 腾讯地图坐标
+        double txLng = 116.397428;
+        double txLat = 39.90923;
+
+        // 转换为WGS84
+        Map<String, Double> wgs84Coord = gcj02ToWgs84(txLng, txLat);
+
+        System.out.println("腾讯坐标: " + txLng + ", " + txLat);
+        System.out.printf("WGS84坐标: %.6f, %.6f%n",
+                wgs84Coord.get("lng"), wgs84Coord.get("lat"));
+    }
+}