/// <summary>
/// 重置属性
/// </summary>
/// <param name="path"></param>
void Reset(string path)
{
RefCnt = 1;
UsingCache = false;
OriginPath = path;
Path = FileUtil.EraseExtension(path);
Name = FileUtil.EraseExtension(FileUtil.GetFullName(path));
Ext = FileUtil.GetExtension(path);
_content = null;
}