/// <summary>
/// 根据市级区划ID反向查询省级区划
/// </summary>
private void FindProvinceReverse()
{
var list = (from c in Citys
let alias = c.Alias.Split(',').FirstOrDefault(_Address.Contains)
let key = alias ?? c.Name
let index = GetIndex(key)
where index >= 0
orderby index
select new { region = c, index, key }).ToList();
if (!list.Any())
{
ReverseFromCounty();
return;
}
var city = list.First();
_City = city.region;
_Province = Provinces.Single(p => p.ID == _City.ParentId);
_Countys = Countys.Where(c => c.ParentId == _City.ID).ToList();
SetIndex(city.index, _City.Name, city.key);
FindCounty();
}
/// <summary>
/// 在市级区划范围内尝试通过镇级区划反向查询县级区划
/// </summary>
private void FindCountyReverse()
{
var list = (from c in _Countys
join t in Towns on c.ID equals t.ParentId
let alias = t.Alias.Split(',').FirstOrDefault(_Address.Contains)
let key = alias ?? t.Name
let index = GetIndex(key)
where index >= 0
orderby index
select new { region = t, index, key }).ToList();
if (!list.Any())
{
return;
}
var town = list.First();
_Town = town.region;
_Index = town.index;
_County = Countys.Single(c => c.ID == town.region.ParentId);
}