public static POIObject GetPOIObject(string keyWord, string pageIndex, string pageSize)
{
string POIUrl = SystemUtility.Config.POIUrl;
string postUrl = string.Format(POIUrl, keyWord, pageIndex, pageSize);
string returnJson = ServiceUtilities.Get(postUrl, Encoding.UTF8);
POIObject POIObj = Newtonsoft.Json.JsonConvert.DeserializeObject <POIObject>(returnJson);
return(POIObj);
}