public List <XmlData> SearchChildAll(System.Predicate <XmlData> func)
{
return(Childs.FindAll(func));
}
/// <summary>按名称查找。实体缓存</summary>
/// <param name="name">地区名称</param>
/// <param name="withLike">未找到时，是否查找相似的地区。因为地区可能有市、县、区等字样，而查询名称没填</param>
/// <param name="deepth">地区路径的最大可能层次。内置地区数据库只有三层</param>
/// <returns></returns>
public EntityList <TEntity> FindAllByName(String name, Boolean withLike = true, Int32 deepth = 0)
{
if (String.IsNullOrEmpty(name))
{
return(null);
}
if (deepth <= 0)
{
if ((this as IEntity).IsNullKey)
{
deepth = 3;
}
else if (this.Parent == null || (this.Parent as IEntity).IsNullKey)
{
deepth = 2;
}
else
{
deepth = 1;
}
}
//EntityList<TEntity> list = Meta.Cache.Entities.FindAll(__.Name, name);
//EntityList<TEntity> list = Childs.FindAll(__.Name, name);
EntityList <TEntity> list = Childs.FindAll(a => CompAreaName(a.Name, name));
if (list != null && list.Count > 0)
{
return(list);
}
// 试试下一级
if (deepth >= 2)
{
// 先用严格查找，再用模糊查找，避免在严格匹配项之前就匹配了模糊项
foreach (var item in Childs)
{
list = item.FindAllByName(name, false, deepth - 1);
if (list != null && list.Count > 0)
{
return(list);
}
}
if (withLike)
{
foreach (var item in Childs)
{
list = item.FindAllByName(name, withLike, deepth - 1);
if (list != null && list.Count > 0)
{
return(list);
}
}
}
}
if (!withLike)
{
return(list);
}
// 未找到，开始模糊查找
//String[] names = Meta.Cache.Entities.Select<TEntity, String>(e => e.Name).ToArray();
String[] names = Childs.Select <TEntity, String>(e => e.Name).ToArray();
String[] rs = StringHelper.LCSSearch(name, names);
if (rs != null && rs.Length > 0)
{
list = new EntityList <TEntity>(Childs.Where <TEntity>(e => rs.Contains(e.Name, StringComparer.OrdinalIgnoreCase)));
return(list);
}
// 如果层次大于1，开始拆分。比如江苏省南京市鼓楼区，第一段至少一个字
if (deepth > 1)
{
// 应该从右往左，这样子才能做到最大匹配，否则会因为模糊查找而混杂很多其它东西
//for (int i = name.Length - 1; i >= 1; i--)
for (int i = 0; i < name.Length; i++)
{
String first = name.Substring(0, i);
String last = name.Substring(i);
// 必须找到左边的，否则这个匹配没有意义
//TEntity entity = Meta.Cache.Entities.Find(__.Name, first);
// 模糊查询一层
var list2 = FindAllByName(first, true, 1);
if (list2 != null && list2.Count > 0)
{
foreach (var item in list2)
{
list = item.FindAllByName(last, withLike, deepth - 1);
if (list != null && list.Count > 0)
{
return(list);
}
}
}
}
}
return(list);
}
