| | |
| | | package com.flightfeather.uav.common.net |
| | | |
| | | import com.flightfeather.uav.common.exception.BizException |
| | | import com.google.gson.Gson |
| | | 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 |
| | | import java.nio.charset.Charset |
| | | |
| | | /** |
| | | * 高德地图Web服务API |
| | | * Date: 2024/07/14 |
| | | */ |
| | | object AMapService { |
| | | |
| | | private const val TAG = "AMapService" |
| | | private const val KEY = "b36a93bac8950d3d7c6c06f21133de51" |
| | | |
| | | private val httpMethod = HttpMethod("restapi.amap.com", 443, true) |
| | | private val KEY = "" |
| | | |
| | | 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 street: 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,${e.message}") |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * 地理逆编码 |
| | | * @param location 坐标点 |
| | | * @return 所在街道 |
| | | */ |
| | | fun reGeo(location:List<Pair<Double, Double>>) { |
| | | httpMethod.get("v3/geocode/regeo", listOf( |
| | | |
| | | fun reGeo(location:Pair<Double, Double>):AMapAddress { |
| | | val res = httpMethod.get("/v3/geocode/regeo", listOf( |
| | | "key" to KEY, |
| | | "location" to "${location.first},${location.second}" |
| | | )) |
| | | val obj = handleRes(res) |
| | | try { |
| | | val a = obj["regeocode"].asJsonObject["addressComponent"].asJsonObject |
| | | return AMapAddress( |
| | | a["country"].asString, |
| | | a["province"].asString, |
| | | "", |
| | | a["citycode"].asString, |
| | | a["district"].asString, |
| | | a["adcode"].asString, |
| | | a["township"].asString, |
| | | a["towncode"].asString, |
| | | a["streetNumber"].asJsonObject["street"].asString, |
| | | ) |
| | | } catch (e: Exception) { |
| | | throw BizException("高德API坐标转换错误,${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,${e.message}") |
| | | } |
| | | } |
| | | |
| | | private fun handleRes(res: HttpMethod.MyResponse):JsonObject { |
| | | if (res.success) { |
| | | val str = EntityUtils.toString(res.m.entity) |
| | | val json = JsonParser.parseString(str) |
| | | return resCheck(json) |
| | | } else { |
| | | throw BizException("高德API网路链接错误,状态码:${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 |
| | | } |
| | | } |