//通过reader读取一条记录并添加到表里
private bool ReadOneReference(ResourceUtilReader reader)
{
//判断ID
T reference = null;
int refId = reader.GetIntValueByCol("id");
if (!this.container_.TryGetValue(refId, out reference))
{
reference = Activator.CreateInstance <T>();
}
reference.LoadReference(reader);
this.container_[refId] = reference;
return(true);
}