public ActionResult _SchoolSelector(string inputId, string areaCode = null, string keyword = null, SchoolType? schoolType = null)
{
ViewData["inputId"] = inputId;
int pageSize = string.IsNullOrEmpty(areaCode) ? 100 : 1000;
PagingDataSet<School> schools = schoolService.Gets(areaCode, keyword, schoolType, pageSize, 1);
AreaService areaService = new AreaService();
var area = areaService.Get(areaCode);
if (area != null)
{
while (area.Depth >= 3)
{
area = areaService.Get(area.ParentCode);
}
areaCode = area.AreaCode;
}
ViewData["areaCode"] = areaCode;
return View(schools);
}
/// <summary>
/// 获取子节点
/// </summary>
/// <returns></returns>
public JsonResult GetChildAreas()
{
AreaService areaService = new AreaService();
string parentAreaCode = string.Empty;
if (Request.QueryString["Id"] != null)
parentAreaCode = Request.QueryString["Id"].ToString();
Area area = areaService.Get(parentAreaCode);
if (area == null)
return Json(new { }, JsonRequestBehavior.AllowGet);
return Json(area.Children.Select(n => new { id = n.AreaCode, name = n.Name }), JsonRequestBehavior.AllowGet);
}
/// <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;
}