public OneVersion(PhoneType phoneType) : base(phoneType)
{
}
public TwoVersion(PhoneType phoneType) : base(phoneType)
{
}
/// <summary>
/// 构造函数注入，实现化对象的初始化
/// </summary>
/// <param name="phoneType"></param>
public Version(PhoneType phoneType)
{
this._phoneType = phoneType;
}