znyc.gps_service/GPSBusiness/BaiDu/BaiduGPSServercs.cs

using log4net;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Text;
using GpsModels;

namespace GPSBusiness.BaiDu
{
    public class BaiduGpsServercs
    {
        public static ILog log = LogManager.GetLogger("");
        private static string BaiduApiUrl = ConfigurationSettings.AppSettings["BaiduApiUrl"];
        private static string BaiduAk = ConfigurationSettings.AppSettings["BaiduAk"];
        /// <summary>
        /// 批量转换百度坐标(单次最大100)
        /// </summary> 
        public static List<GpsModel> Changes100(List<GpsModel> list)
        {
            try
            {
                var reList = new List<GpsModel>();
                string url = BaiduApiUrl + "/geoconv/v1/?coords=";
                foreach (var item in list)
                {
                    url += item.Longitude + "," + item.Latitude + ";";
                }
                url = url.Remove(url.Length - 1) + "&from=1&to=5&ak=" + BaiduAk;
                System.Net.WebRequest wReq = System.Net.WebRequest.Create(url);
                System.Net.WebResponse wResp = wReq.GetResponse();
                System.IO.Stream respStream = wResp.GetResponseStream();
                using (System.IO.StreamReader reader = new System.IO.StreamReader(respStream, Encoding.UTF8))
                {
                    string value = reader.ReadToEnd();
                    if (!string.IsNullOrEmpty(value))
                    {
                        BaiduApiResult result = JsonConvert.DeserializeObject<BaiduApiResult>(value);
                        if (result.status == 0)
                        {
                            List<coordinate> xy = JsonConvert.DeserializeObject<List<coordinate>>(result.result.ToString());
                            for (int i = 0; i < xy.Count; i++)
                            {
                                if (xy[i] != null)
                                {
                                    list[i].Longitude = xy[i].x;
                                    list[i].Latitude = xy[i].y;
                                    reList.Add(list[i]);
                                }
                            }
                        }
                    }
                }
                return reList;
            }
            catch (Exception e)
            {
                log.Error("百度坐标转换 Exception:" + e.Message + e.StackTrace);
                return null;
            }
        }
        /// <summary>
        /// 批量坐标转地址(单次最大20)
        /// </summary> 
        public static List<GpsModel> AddressChanges20(List<GpsModel> list)
        {
            try
            {
                var reList = new List<GpsModel>();
                string url = BaiduApiUrl + "/geocoder/v2/?callback=renderReverse&location=";
                var count = 0;
                var multy = 0;
                foreach (var item in list)
                {
                    url += item.Latitude + "," + item.Longitude + "|";
                    count++;
                    if (count % 20 == 0)
                    {
                        url = url.Remove(url.Length - 1) + "&batch=true&pois=0&extensions_road=true&extensions_town=true&latest_admin=1&output=json&pois=1&ak=" + BaiduAk;
                        System.Net.WebRequest wReq = System.Net.WebRequest.Create(url);
                        System.Net.WebResponse wResp = wReq.GetResponse();
                        System.IO.Stream respStream = wResp.GetResponseStream();
                        using (System.IO.StreamReader reader = new System.IO.StreamReader(respStream, Encoding.UTF8))
                        {
                            string value = reader.ReadToEnd();
                            if (!string.IsNullOrEmpty(value))
                            {
                                BaiduAddressApiResult result = JsonConvert.DeserializeObject<BaiduAddressApiResult>(value);
                                if (result.status == 0)
                                {
                                    List<addresss> add = JsonConvert.DeserializeObject<List<addresss>>(result.areas.ToString());

                                    for (int i = 0; i < add.Count; i++)
                                    {
                                        if (add[i] != null)
                                        {
                                            list[i + multy*20].Address = add[i].city + add[i].district + add[i].town;
                                            reList.Add(list[i]);
                                        }
                                    }
                                }
                            }
                        }
                        url = BaiduApiUrl + "/geocoder/v2/?callback=renderReverse&location=";
                    }
                }
                return reList;
            }
            catch (Exception e)
            {
                log.Error("百度坐标转换 Exception:" + e.Message + e.StackTrace);
                return list;
            }
        }
    }
    /// <summary>
    /// ApiResult
    /// </summary>
    public class BaiduApiResult
    {
        public int status { get; set; }
        public string message { get; set; }
        public object result { get; set; }
    }
    /// <summary>
    /// 坐标
    /// </summary>
    public class coordinate
    {
        /// <summary>
        /// 纬度
        /// </summary>
        public decimal x { get; set; }
        /// <summary>
        /// 经度
        /// </summary>
        public decimal y { get; set; }
    }
    /// <summary>
    /// BaiduAddressApiResult
    /// </summary>
    public class BaiduAddressApiResult
    {
        public int status { get; set; }
        public object areas { get; set; }
    }
    /// <summary>
    /// 坐标
    /// </summary>
    public class addresss
    {
        public string country { get; set; }
        public string province { get; set; }
        public string city { get; set; }
        public string district { get; set; }
        public string town { get; set; }
    }
}