Unity 获得Animator下某个动画片段的时长

/// 

/// 获得animator下某个动画片段的时长方法
/// 
/// Animator组件 
/// 要获得的动画片段名字
/// 
public float GetAnimatorLength(Animator animator ,string name)
{
	//动画片段时间长度
    float length = 0;
    AnimationClip[] clips = animator.runtimeAnimatorController.animationClips;
    Debug.Log(clips.Length);
    foreach (AnimationClip clip in clips)
    {
        Debug.Log(clip.name);
        if (clip.name.Equals(name))
        {
            length = clip.length;
            break;
        }
    }
    return length;
}