unity 动态加载 Animator 组件 的Controller
public Animator animator; // 直接拖拽,引用
string strPath = "FXV2/SoulAnimator/soul_had_animator_" + quality; // 路径
RuntimeAnimatorController runAnim = (RuntimeAnimatorController) Resources.Load(strPath); // 加载,设置为RuntimeAnimatorController类型
animDiBan.runtimeAnimatorController = runAnim; // 赋值