//ToDo:非主键字段在数据库上建索引，直接从数据库获取
public List <T> Get(Expression <Func <T, bool> > selector)
{
using (new TimeMonitor(GetPrefix(selector.ToString())))
{
try
{
if (IsCacheReady())
{
return(cache.GetWithList().Where(selector.Compile()).ToList());
}
return(collection.FindEntitiesAsync(selector).Result);
}
catch (Exception ex)
{
LogException(ex);
return(new List <T>());
}
}
}