/// <summary>
///
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public List <POIInfo> GetPoiInfos(string url)
{
List <POIInfo> poiList = new List <POIInfo>();
HttpWebResponse hwr = HttpHelper.CreateGetHttpResponse(url, 1000, "Opera/9.25 (Windows NT 6.0; U; en)", null);
string context = HttpHelper.GetResponseString(hwr);
context = context.Substring(22, context.Length - 24);
object t = JsonHelper.JsonDeserialize <object>(context);
Dictionary <string, object> dicT = t as Dictionary <string, object>;
Dictionary <string, object> dicInfos = (dicT["content"] as object[])[0] as Dictionary <string, object>;
object[] infos = dicInfos["uids"] as object[];
if (infos.Length == 0)
{
return(poiList);
}
foreach (object i in infos.ToList())
{
Dictionary <string, object> icon = (i as Dictionary <string, object>)["icon"] as Dictionary <string, object>;
object x = icon["x"];
object y = icon["y"];
object ty = (i as Dictionary <string, object>)["type"];
object name = (i as Dictionary <string, object>)["name"];
object uid = (i as Dictionary <string, object>)["uid"];
double doubleX = double.Parse(x.ToString());
double doubleY = double.Parse(y.ToString());
string id = uid.ToString();
POIInfo poiInfo = new POIInfo();
poiInfo.name = name.ToString();
poiInfo.type = ty.ToString();
poiInfo.x = doubleX;
poiInfo.y = doubleY;
Coord c = CoordHelper.BdDecrypt(poiInfo.y, poiInfo.x);
c = CoordHelper.Gcj2Wgs(c.lon, c.lat);
poiInfo.cx = c.lon;
poiInfo.cy = c.lat;
if (this.dicIDs.ContainsKey(id))
{
continue;
}
else
{
POIDeInfo poiDeInfo = this.GetDetailInfo(id);
Coord coord = this.coordProjection(doubleX, doubleY);
if (coord != null)
{
poiInfo.x = coord.lon;
poiInfo.y = coord.lat;
}
if (poiDeInfo != null)
{
poiInfo.phone = poiDeInfo.phone;
poiInfo.type = poiDeInfo.type;
poiInfo.address = poiDeInfo.address;
}
}
poiList.Add(poiInfo);
}
return(poiList);
}
/// <summary>
/// 获取中心点【火星坐标】
/// </summary>
/// <returns></returns>
public Coord getGJC02Center()
{
if (string.IsNullOrEmpty(this.Center))
{
return(null);
}
var m = this.Center.Split('|')[0];
var x = double.Parse(m.Split(',')[0]);
var y = double.Parse(m.Split(',')[1]);
// 百度坐标转为火星坐标
return(CoordHelper.BdDecrypt(y, x));
}
private List <POIInfo> getKeywordPOI(string url)
{
List <POIInfo> poiList = new List <POIInfo>();
HttpWebResponse hwr = HttpHelper.CreateGetHttpResponse(url, 1000, "Opera/9.25 (Windows NT 6.0; U; en)", null);
string context = HttpHelper.GetResponseString(hwr);
object t = JsonHelper.JsonDeserialize <object>(context);
Dictionary <string, object> dicT = t as Dictionary <string, object>;
object[] dicInfos = dicT["uids"] as object[];
for (int i = 0; i < dicInfos.Length; i++)
{
Dictionary <string, object> dic = dicInfos[i] as Dictionary <string, object>;
POIInfo poiInfo = new POIInfo();
object objX = dic["x"];
object objY = dic["y"];
object objID = dic["uid"];
object objName = dic["name"];
if (objX != null && objY != null)
{
double.TryParse(objX.ToString(), out poiInfo.x);
double.TryParse(objY.ToString(), out poiInfo.y);
}
if (objName != null)
{
poiInfo.name = objName.ToString();
}
if (objID != null)
{
string id = objID.ToString();
POIDeInfo poiDetailInfo = this.getDetailInfoKeyWord(id);
poiInfo.address = poiDetailInfo.address;
poiInfo.phone = poiDetailInfo.phone;
poiInfo.type = poiDetailInfo.type;
}
Coord coord = this.coordProjection(poiInfo.x, poiInfo.y);
if (coord != null)
{
poiInfo.x = coord.lon;
poiInfo.y = coord.lat;
Coord c = CoordHelper.BdDecrypt(poiInfo.y, poiInfo.x);
c = CoordHelper.Gcj2Wgs(c.lon, c.lat);
poiInfo.cx = c.lon;
poiInfo.cy = c.lat;
}
poiList.Add(poiInfo);
}
return(poiList);
}
private string PathConvert(string path)
{
if (string.IsNullOrEmpty(path))
{
return(string.Empty);
}
var paths = path.Split(';').ToList().Select(
m =>
{
// var temp = m.Split(',');
var lonlat = this.getBaiduPixLonlat(m);
// CoordHelper.WebMercator2lonLat(new Coord(double.Parse(temp[0]), double.Parse(temp[1])));
return(CoordHelper.BdDecrypt(lonlat.lat, lonlat.lon).ToString());
}).ToArray();
return(string.Join(";", paths));
}
public string GetGJC02Bound()
{
if (string.IsNullOrEmpty(this.Bound))
{
return(string.Empty);
}
var points = this.Bound.Split(';').Select(
m =>
{
var x = double.Parse(m.Split(',')[0]);
var y = double.Parse(m.Split(',')[1]);
// 百度坐标转为火星坐标
return(CoordHelper.BdDecrypt(y, x).ToString());
}).ToArray();
return(String.Join(";", points));
}
private Coord getBaiduLonlat(string i)
{
//if (string.IsNullOrEmpty(i))
//{
// return new Coord(0, 0);
//}
//i = i.Split('|')[2];
//i = i.Substring(0, i.Length - 1);
//var lon = double.Parse(i.Split(',')[0]);
//var lat = double.Parse(i.Split(',')[1]);
//var lonlat = CoordHelper.WebMercator2lonLat(new Coord(lon, lat));
i = i.Split('|')[2];
i = i.Substring(0, i.Length - 1);
var lonlat = this.getBaiduPixLonlat(i);
lonlat = CoordHelper.BdDecrypt(lonlat.lat, lonlat.lon);
return(lonlat);
// return CoordHelper.gcj2wgs(lonlat.lon, lonlat.lat);
}
/// <summary>
/// 坐标转换
/// </summary>
/// <param name="lonlat">格式[x,y]或者[x|y]</param>
/// <param name="project"></param>
/// <returns></returns>
public static Coord ProjectChange(string lonlat, ProjectConvert project)
{
if (string.IsNullOrEmpty(lonlat))
{
return(new Coord(0, 0));
}
try
{
double x = double.Parse(lonlat.Split('|', ',')[0]);
double y = double.Parse(lonlat.Split('|', ',')[1]);
switch (project)
{
case ProjectConvert.NONE:
return(new Coord(x, y));
case ProjectConvert.GCJ_WGS:
case ProjectConvert.GAODE84_WGS:
return(CoordHelper.Gcj2Wgs(x, y));
case ProjectConvert.BAIDU_WGS:
var c = CoordHelper.BdDecrypt(y, x);
return(CoordHelper.Gcj2Wgs(c.lon, c.lat));
case ProjectConvert.GAODE900913_WGS:
var g = CoordHelper.WebMercator2lonLat(new Coord(x, y));
return(CoordHelper.Gcj2Wgs(g.lon, g.lat));
default:
return(new Coord(0, 0));
}
}
catch (Exception)
{
Console.WriteLine(lonlat);
return(new Coord());
}
}
private void DownPoIbyExtent(double x1, double y1, double x2, double y2, string keyWords, int index, int count)
{
for (int pindex = 0; pindex < 38; pindex++)
{
var keyWordsList = new List <string>();
if (keyWords == string.Empty)
{
keyWordsList.Add("美食$宾馆$购物$汽车$生活$结婚$丽人$金融$休闲娱乐$医疗");
keyWordsList.Add("旅游$教育$房地产$政府机构$公司企业$公交站$学校$小区");
}
else
{
keyWordsList.Add(keyWords);
}
foreach (string keyword in keyWordsList)
{
Random rd = new Random();
int kindex = rd.Next(0, this.keys.Length);
string url = string.Format(
this.baiduPoiUrl,
keyword,
y1 + "," + x1 + "," + y2 + "," + x2,
pindex,
this.keys[kindex]);
try
{
HttpWebResponse ht = HttpHelper.CreateGetHttpResponse(
url,
1000,
"Opera/9.25 (Windows NT 6.0; U; en)",
null);
string ff = HttpHelper.GetResponseString(ht);
var detail = JsonHelper.JsonDeserialize <object>(ff);
var dicResult = detail as Dictionary <string, object>;
if (dicResult.ContainsKey("status") && dicResult["status"].ToString() != "0")
{
log.ErrorFormat("{0}请求失败,返回码：{1}", url, dicResult["status"]);
continue;
}
if (dicResult != null && dicResult.ContainsKey("results"))
{
object poiObjs = dicResult["results"];
var pois = poiObjs as object[];
if (pois.Length == 0)
{
if (this.DowningMessageEvent != null)
{
this.DowningMessageEvent(index, count);
}
break;
}
foreach (object poi in pois)
{
var poiInfo = new POIInfo();
this.poiCount++;
var objects = poi as Dictionary <string, object>;
if (objects.ContainsKey("name") && objects["name"] != null)
{
poiInfo.name = objects["name"].ToString();
}
if (objects.ContainsKey("location") && objects["location"] != null)
{
var dicxy = objects["location"] as Dictionary <string, object>;
string stringX = dicxy["lng"] != null ? dicxy["lng"].ToString() : "";
string stringY = dicxy["lat"] != null ? dicxy["lat"].ToString() : "";
double.TryParse(stringX, out poiInfo.x);
double.TryParse(stringY, out poiInfo.y);
Coord c = CoordHelper.BdDecrypt(poiInfo.y, poiInfo.x);
c = CoordHelper.Gcj2Wgs(c.lon, c.lat);
poiInfo.cx = c.lon;
poiInfo.cy = c.lat;
}
if (objects.ContainsKey("address") && objects["address"] != null)
{
poiInfo.address = objects["address"].ToString();
}
if (objects.ContainsKey("telephone") && objects["telephone"] != null)
{
poiInfo.phone = objects["telephone"].ToString();
}
if (this.DowningEvent != null)
{
this.DowningEvent(poiInfo, index, count);
}
}
}
else
{
log.WarnFormat("请求{0} 出错", url);
}
}
catch (Exception ex)
{
log.ErrorFormat("请求{0} 出错:{1}", url, ex);
}
}
if (this.DowningMessageEvent != null)
{
this.DowningMessageEvent(index, count);
}
}
}
