public string Execute(Hashtable params_ht)
{
Hashtable res = params_ht;
/* if (!string.IsNullOrEmpty(SiteHelper.GetAppsetString("NearVehicleKM")))
* {
* km = double.Parse(SiteHelper.GetAppsetString("NearVehicleKM"));
* }
* if (!string.IsNullOrEmpty(SiteHelper.GetAppsetString("PageNum")))
* {
* pageNum = int.Parse(SiteHelper.GetAppsetString("PageNum"));
* }*/
if (res["Latitude"] == null ||
res["Longitude"] == null ||
res["PageNum"] == null ||
res["CurrentPage"] == null ||
res["Latitude"].ToString().Trim().Length <= 0 ||
res["Longitude"].ToString().Trim().Length <= 0 ||
res["PageNum"].ToString().Trim().Length <= 0 ||
res["CurrentPage"].ToString().Trim().Length <= 0)
{
return(SiteHelper.GetJsonFromHashTable(null, "faild", "参数不完整"));
}
else
{
try
{
currentPage = int.Parse(res["CurrentPage"].ToString().Trim());
weidu = res["Latitude"].ToString().Trim();
jingdu = res["Longitude"].ToString().Trim();
}
catch
{
return(SiteHelper.GetJsonFromHashTable(null, "faild", "数据格式不正确"));
}
VehicleManager vm = new VehicleManager();
DataTable vehicles = vm.GetNearVehicles(km, weidu, jingdu, currentPage, pageNum);
if (vehicles == null || vehicles.Rows.Count <= 0)
{
return(SiteHelper.GetJsonFromHashTable(null, "faild", "亲，没有数据了"));
}
else
{
foreach (DataRow dr in vehicles.Rows)
{
decimal electricity = 0;
decimal.TryParse(dr["Electricity"].ToString(), out electricity);
int dianliang = Decimal.ToInt32(electricity);
dr["Electricity"] = dianliang + "%";
string lng = dr["Longitude"].ToString();
string lat = dr["Latitude"].ToString();
if (!string.IsNullOrEmpty(lng) && !string.IsNullOrEmpty(lat))
{
LatLng latlng = new LatLng(double.Parse(lat), double.Parse(lng));
latlng = SiteHelper.TransformFromWGSToGCJ(latlng);
dr["Longitude"] = latlng.longitude;
dr["Latitude"] = latlng.latitude;
}
}
return(JsonHelper.DataTableToJson("success", "获取数据成功", vehicles, "VehicleInfo"));
}
}
}
/// <summary>
/// 获取附近车辆信息
/// </summary>
/// <param name="context"></param>
private void GetNearVehicles(HttpContext context)
{
double km = 100;
int pageNum = 100;
int currentPage = 1;
string weidu = string.Empty;
string jingdu = string.Empty;
if (!string.IsNullOrEmpty(SiteHelper.GetAppsetString("NearVehicleKM")))
{
km = double.Parse(SiteHelper.GetAppsetString("NearVehicleKM"));
}
if (!string.IsNullOrEmpty(SiteHelper.GetAppsetString("PageNum")))
{
pageNum = int.Parse(SiteHelper.GetAppsetString("PageNum"));
}
if (context.Request["Latitude"] == null ||
context.Request["Longitude"] == null ||
context.Request["PageNum"] == null ||
context.Request["CurrentPage"] == null ||
context.Request["Latitude"].ToString().Trim().Length <= 0 ||
context.Request["Longitude"].ToString().Trim().Length <= 0 ||
context.Request["PageNum"].ToString().Trim().Length <= 0 ||
context.Request["CurrentPage"].ToString().Trim().Length <= 0)
{
context.Response.Write(SiteHelper.GetJsonFromHashTable(null, "faild", "参数不完整"));
}
else
{
try
{
//pageNum = int.Parse(res["PageNum"].ToString().Trim());
currentPage = int.Parse(context.Request["CurrentPage"].ToString().Trim());
weidu = context.Request["Latitude"].ToString().Trim();
jingdu = context.Request["Longitude"].ToString().Trim();
}
catch
{
context.Response.Write(SiteHelper.GetJsonFromHashTable(null, "faild", "数据格式不正确"));
context.Response.End();
}
VehicleManager vm = new VehicleManager();
DataTable vehicles = vm.GetNearVehicles(km, weidu, jingdu, currentPage, pageNum);
if (vehicles == null || vehicles.Rows.Count <= 0)
{
context.Response.Write(SiteHelper.GetJsonFromHashTable(null, "faild", "亲，没有数据了"));
context.Response.End();
}
else
{
foreach (DataRow dr in vehicles.Rows)
{
dr["ThumbImageUrl"] = SiteHelper.GetFileServer() + dr["ThumbImageUrl"].ToString();
decimal electricity = 0;
decimal.TryParse(dr["Electricity"].ToString(), out electricity);
int dianliang = Decimal.ToInt32(electricity);
dr["Electricity"] = dianliang + "%";
string lng = dr["Longitude"].ToString();
string lat = dr["Latitude"].ToString();
if (!string.IsNullOrEmpty(lng) && !string.IsNullOrEmpty(lat))
{
LatLng latlng = SiteHelper.GetBaiduByGPS(lat, lng);
if (latlng != null)
{
dr["Longitude"] = latlng.longitude;
dr["Latitude"] = latlng.latitude;
if (dr["Address"].ToString().Trim().Length <= 0)
{
dr["Address"] = SiteHelper.GetLocationByGPS(dr["Latitude"].ToString(), dr["Longitude"].ToString());
}
}
}
}
context.Response.Write(JsonHelper.DataTableToJson("success", "获取数据成功", vehicles, "VehicleInfo"));
}
}
}