/// <summary>
/// 获取所查询地区的编码
/// </summary>
/// <param name="ip">要查找的IP地址</param>
/// <returns>地区编码</returns>
public string GetAreaCode(string ip)
{
string ipAddress = GetAddress(ip);
if (string.IsNullOrEmpty(ipAddress))
return string.Empty;
string ipCountry = ipAddress.Substring(0, ipAddress.LastIndexOf(' '));
AreaService areaService = new AreaService();
if (string.IsNullOrEmpty(ipCountry))
return string.Empty;
//在中国的省（直辖市）地区查找
Area china = areaService.Get("A1560000");
if (china == null)
return string.Empty;
foreach (var area in china.Children)
{
if (ipCountry.Contains(area.Name.Substring(0, 2)))
{
foreach (var city in area.Children)
{
if (ipCountry.Contains(city.Name))
{
foreach (var district in city.Children)
{
if (ipCountry.Contains(city.Name))
{
return city.AreaCode;
}
}
return city.AreaCode;
}
}
return area.AreaCode;
}
}
//先从国家地区中查找
IEnumerable<Area> areas = areaService.GetRoots();
foreach (var area in areas)
{
if (ipCountry.Contains(area.Name))
return area.AreaCode;
}
return string.Empty;
}
