package com.ruoyi.web.controller.tool;
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import okhttp3.*;
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import com.alibaba.fastjson.JSONObject;
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import java.io.IOException;
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public class HighPrecisionCoordinateTransformUtil {
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private static final String GAODE_API_KEY = "e700a58329a38b2d8980790d9b1b5b06"; // 需要申请高德地图API Key
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private static final String GAODE_CONVERT_URL = "https://restapi.amap.com/v3/assistant/coordinate/convert";
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private static final OkHttpClient client = new OkHttpClient();
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/**
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* 使用高德地图API进行高精度坐标转换 WGS84 -> GCJ-02
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* @param wgLat WGS84纬度
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* @param wgLon WGS84经度
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* @return 转换后的GCJ-02坐标 [纬度, 经度]
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*/
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public static double[] wgs84ToGcj02ViaGaode(double wgLat, double wgLon) {
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String url = GAODE_CONVERT_URL +
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"?locations=" + wgLon + "," + wgLat +
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"&coordsys=gps" +
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"&output=json" +
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"&key=" + GAODE_API_KEY;
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Request request = new Request.Builder()
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.url(url)
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.get()
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.build();
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try {
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Response response = client.newCall(request).execute();
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if (response.isSuccessful() && response.body() != null) {
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String responseBody = response.body().string();
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JSONObject jsonObject = JSONObject.parseObject(responseBody);
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if ("1".equals(jsonObject.getString("status"))) {
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String[] locations = jsonObject.getString("locations").split(",");
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// 返回格式: [纬度, 经度]
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return new double[]{
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Double.parseDouble(locations[1]), // 纬度
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Double.parseDouble(locations[0]) // 经度
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};
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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// API调用失败时回退到原来的算法
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return CoordinateTransform.wgs84ToGcj02(wgLat, wgLon);
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}
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/**
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* 测试方法
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*/
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}
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