underway-spring.git

package com.flightfeather.uav.common.net
 
import com.flightfeather.uav.common.exception.BizException
import com.google.gson.JsonElement
import com.google.gson.JsonObject
import com.google.gson.JsonParser
import org.apache.http.util.EntityUtils
import java.net.URLEncoder
 
/**
 * 高德地图Web服务API
 * Date: 2024/07/14
 */
object AMapService {
    // 上海市静安区边界坐标点(高德地图坐标系)
    const val polyLineJingAn_GD =
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21.427677,31.27293;121.4273,31.272579;121.42705,31.272332;121.426736,31.272045;121.426529,31.271855;121.426398,31.271735;121.426099,31.271466;121.425261,31.270675;121.425251,31.270666"
    // 上海市静安区边界坐标点(WGS84坐标系)
    const val polyLineJingAn =
        "121.42061,31.272495;121.420573,31.27253;121.420404,31.272683;121.420075,31.273127;121.419926,31.273757;121.419874,31.275528;121.419849,31.276031;121.419849,31.276455;121.419805,31.276957;121.419684,31.277856;121.419744,31.278093;121.419935,31.278542;121.420109,31.279094;121.419927,31.279981;121.419901,31.280189;121.419944,31.280382;121.420014,31.280634;121.419944,31.281324;121.419927,31.281474;121.419901,31.281684;121.419866,31.281847;121.419796,31.282057;121.419675,31.282285;121.419519,31.282593;121.419514,31.282604;121.419508,31.282617;121.419328,31.282973;121.418963,31.283898;121.418635,31.284933;121.418632,31.284945;121.418627,31.284959;121.41859,31.285078;121.418332,31.285809;121.418227,31.285875;121.418196,31.286019;121.418191,31.28608;121.418192,31.286137;121.418198,31.28619;121.418208,31.286277;121.418271,31.286673;121.4184,31.287518;121.418404,31.287545;121.418498,31.287936;121.418486,31.288146;121.418625,31.289072;121.41867,31.289987;121.418869,31.290944;121.41899,31.291228;121.419028,31.291503;121.419049,31.291705;121.419066,31.291876;121.419066,31.291918;121.419167,31.292825;121.419156,31.292876;121.419101,31.292878;121.417747,31.292932;121.416601,31.293194;121.415048,31.292884;121.414969,31.293493;121.414283,31.293504;121.414266,31.294103;121.413996,31.29407;121.413996,31.294704;121.414179,31.294853;121.414222,31.295841;121.414596,31.295978;121.414492,31.296651;121.414986,31.296816;121.415117,31.29743;121.415751,31.297534;121.415385,31.298726;121.415846,31.298747;121.418324,31.299002;121.418338,31.299002;121.418352,31.299005;121.418998,31.299072;121.421871,31.300228;121.422297,31.30035;121.422228,31.301683;121.422089,31.302505;121.421924,31.303547;121.421756,31.304953;121.421786,31.30502;121.422719,31.305062;121.42319,31.30509;121.423228,31.305092;121.423832,31.305127;121.424096,31.305166;121.424546,31.305214;121.424627,31.305223;121.425162,31.305283;121.42581,31.30537;121.426659,31.305458;121.426651,31.305518;121.426412,31.30759;121.426869,31.307639;121.426881,31.307644;121.426896,31.307643;121.42773,31.307732;121.427801,31.307737;121.427599,31.308711;121.427496,31.309204;121.42736,31.309984;121.42729,31.310377;121.427047,31.311305;121.427038,31.311399;121.427151,31.311456;121.427237,31.311549;121.427289,31.311625;121.427376,31.311781;121.427854,31.31212;121.427863,31.312337;121.427532,31.313507;121.427969,31.31366;121.427982,31.313664;121.427994,31.313668;121.428306,31.313778;121.428383,31.313794;121.428399,31.313763;121.428419,31.313801;121.42999,31.314121;121.427836,31.320483;121.428558,31.32036;121.428966,31.322686;121.429078,31.322743;121.429715,31.322732;121.430477,31.322718;121.431136,31.322706;121.431831,31.322694;121.431872,31.322515;121.431894,31.322375;121.431958,31.322043;121.431992,31.321869;121.432063,31.321495;121.432144,31.321491;121.442111,31.321654;121.442693,31.320413;121.443283,31.318948;121.445904,31.31958;121.448415,31.320399;121.450116,31.321106;121.451188,31.321878;121.451198,31.321883;121.451211,31.321894;121.452555,31.322862;121.460821,31.323282;121.460665,31.322277;121.460633,31.321984;121.463524,31.322137;121.463598,31.322131;121.463686,31.321172;121.463842,31.319342;121.463798,31.31837;121.463763,31.317927;121.463729,31.317093;121.46359,31.315246;121.463365,31.311915;121.463295,31.310654;121.46313,31.308198;121.458971,31.307887;121.459276,31.306439;121.45997,31.302765;121.459805,31.302477;121.459735,31.302264;121.459665,31.302069;121.459605,31.301744;121.459614,31.301514;121.459771,31.300981;121.459874,31.300378;121.459944,31.300046;121.459969,31.299883;121.459883,31.29959;121.459753,31.299404;121.459692,31.299248;121.459692,31.299035;121.459701,31.298725;121.459649,31.298512;121.459475,31.298356;121.459397,31.298255;121.459179,31.297633;121.458893,31.297227;121.458677,31.296978;121.45859,31.296771;121.458511,31.296502;121.458415,31.296153;121.45819,31.295555;121.458008,31.294974;121.457886,31.294631;121.457773,31.294495;121.457522,31.294388;121.457287,31.294276;121.457183,31.294196;121.457018,31.293995;121.456819,31.29354;121.456575,31.293128;121.456263,31.292665;121.456011,31.292349;121.455751,31.292116;121.455594,31.291993;121.455507,31.291886;121.455481,31.291793;121.455516,31.291661;121.455673,31.29143;121.45588,31.2912;121.456184,31.291001;121.456333,31.290868;121.456419,31.290695;121.456462,31.290312;121.456506,31.289821;121.456584,31.289564;121.456723,31.289322;121.456844,31.289122;121.456879,31.288805;121.456905,31.288123;121.457018,31.28712;121.457174,31.286782;121.457244,31.286583;121.457227,31.286296;121.457131,31.285997;121.457078,31.285617;121.457027,31.285217;121.457001,31.284929;121.456862,31.284536;121.456775,31.284282;121.456757,31.284083;121.456775,31.283913;121.456836,31.283687;121.457227,31.282728;121.457278,31.282509;121.457278,31.282336;121.457278,31.28204;121.457209,31.281617;121.456948,31.281565;121.456938,31.281537;121.456911,31.28136;121.456896,31.281187;121.456891,31.280879;121.456897,31.280815;121.456912,31.28077;121.457001,31.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1;121.422662,31.274409;121.422411,31.274162;121.422097,31.273875;121.42189,31.273685;121.421759,31.273565;121.421459,31.273296;121.42062,31.272504;121.42061,31.272495"
 
    private const val TAG = "AMapService"
    private const val KEY = "b36a93bac8950d3d7c6c06f21133de51"
 
    private val httpMethod = HttpMethod("restapi.amap.com", 443, true)
 
    data class AMapAddress(
        val country: String,
        val province: String,
        val city: String,
        val citycode: String,
        val district: String,
        val adcode: String,
        val township: String,
        val towncode: String,
        val address: String,
        // 所在道路名称
        val street:String,
        // 所在道路上的最近门牌号
        val streetNumber: String,
        // 处于该门牌号的方向
        val direction:String,
        // 处于该门牌号的方向距离
        val distance:String,
        // 所处最近交叉路口的方向
        val roadinter: String?,
        // 所处最近交叉路口的距离
        val distance2: String?,
    )
 
    data class AMapDirection(
        // 路线类型，driving: 驾车；
        val type: String,
        // 起点经纬度
        val origin: Pair<Double, Double>,
        // 终点经纬度
        val destination: Pair<Double, Double>,
        // 途径路线经纬度（不包括起点终点）
        val paths: List<Pair<Double, Double>>,
        // 方案距离，单位：米
        val distance: String
    )
 
    /**
     * 驾车路线规划
     */
    fun directionDriving(origin: Pair<Double, Double>, destination: Pair<Double, Double>): AMapDirection {
        val res = httpMethod.get(
            "/v5/direction/driving", listOf(
                "key" to KEY,
                "origin" to "${origin.first},${origin.second}",
                "destination" to "${destination.first},${destination.second}",
                "show_fields" to "polyline"
            )
        )
        val obj = handleRes(res)
        try {
            val count = obj["count"].asString.toIntOrNull()
            if (count != null && count > 0) {
                val path = obj["route"].asJsonObject["paths"].asJsonArray.get(0).asJsonObject
                val finalPaths = mutableListOf<Pair<Double, Double>>()
                path["steps"].asJsonArray.forEach {
                    finalPaths.addAll(
                        it.asJsonObject["polyline"].asString.split(";").map { str ->
                            val strArr = str.split(",")
                            strArr[0].toDouble() to strArr[1].toDouble()
                        }
                    )
                }
                return AMapDirection("driving", origin, destination, finalPaths, path["distance"].asString)
            } else {
                throw BizException("高德API驾车路线规划失败，没有找到可行的路线")
            }
        } catch (e: Exception) {
            throw BizException("高德API驾车路线规划错误，${e.message}")
        }
    }
 
    /**
     * 地理逆编码
     * @param location 坐标点
     * @return 所在街道
     */
    fun reGeo(location: Pair<Double, Double>): AMapAddress {
        val res = httpMethod.get(
            "/v3/geocode/regeo", listOf(
                "key" to KEY,
                "location" to "${location.first},${location.second}",
                "extensions" to "all"
            )
        )
        val obj = handleRes(res)
        try {
            val regeocode = obj["regeocode"].asJsonObject
            val a = regeocode["addressComponent"].asJsonObject
            val streetNumber = a["streetNumber"].asJsonObject
            val roads = regeocode["roads"].asJsonArray
            val roadinters = regeocode["roadinters"].asJsonArray
            val roadinter = if (roadinters.size() > 0) roadinters.get(0).asJsonObject else null
            return AMapAddress(
                getJsonString(a["country"]),
                getJsonString(a["province"]),
                "",
                getJsonString(a["citycode"]),
                getJsonString(a["district"]),
                getJsonString(a["adcode"]),
                getJsonString(a["township"]),
                getJsonString(a["towncode"]),
                getJsonString(regeocode["formatted_address"]),
                getJsonString(streetNumber["street"]),
                getJsonString(streetNumber["number"]),
                getJsonString(streetNumber["direction"]),
                getJsonString(streetNumber["distance"]),
                if(roadinter == null) null else getJsonString(roadinter.get("first_name")) +"和" + getJsonString(roadinter.get("second_name")) + "交叉口"
                        + getJsonString(roadinter.get("direction")),
                if(roadinter == null) null else getJsonString(roadinter["distance"])
            )
        } catch (e: Exception) {
            val regeocode = obj["regeocode"].asJsonObject
            println(regeocode)
            throw BizException("高德API坐标转换错误，${e.message}", e.cause)
        }
    }
 
    /**
     * 坐标转换
     * @param locations 原始坐标
     * @param coordsys 原坐标系，可选值：gps;mapbar;baidu;autonavi(不进行转换)
     */
    fun coordinateConvert(locations: List<Pair<Double, Double>>, coordsys: String = "gps"): List<Pair<Double, Double>> {
        val locationsStr = URLEncoder.encode(locations.joinToString("|") { "${it.first},${it.second}" }, "UTF-8")
        val res = httpMethod.get(
            "/v3/assistant/coordinate/convert", listOf(
                "key" to KEY,
                "locations" to locationsStr,
                "coordsys" to coordsys
            )
        )
        val obj = handleRes(res)
        try {
            return obj["locations"].asString.split(";").map {
                val l = it.split(",")
                l[0].toDouble() to l[1].toDouble()
            }
        } catch (e: Exception) {
            throw BizException("高德API坐标转换错误，${e.message}")
        }
    }
 
    fun searchDistrict() {
 
    }
 
    private fun handleRes(res: HttpMethod.MyResponse): JsonObject {
        if (res.success) {
            val str = EntityUtils.toString(res.m.entity)
            val json = JsonParser.parseString(str)
            return resCheck(json)
        } else {
            throw BizException("高德API网路链接错误，状态码：${res.m.statusLine.statusCode}")
        }
    }
 
    private fun resCheck(json: JsonElement): JsonObject {
        if (!json.isJsonObject) throw BizException("高德API失败，返回值不是一个object")
 
        val jo = json.asJsonObject
        if (jo["status"].asInt != 1) throw BizException("高德API失败，错误${jo["info"]}")
 
        return jo
    }
 
    private fun getJsonString(json: JsonElement): String {
        return if (json.isJsonPrimitive) json.asString else ""
    }
}