void Update () {
        //在InputManager管理器中定义垂直轴的控制量W,S
        float speedParm=Input.GetAxis("Vertical");
        //aa
        anim.SetFloat ("Speed",speedParm);
        //weiAnimatior de direction canshu fuzhi 
        float directionParm = Input.GetAxis ("Horizontal");
        anim.SetFloat ("Direction", directionParm);
        bool jumpParm = Input.GetKey (KeyCode.Space);
        anim.SetBool ("Jump", jumpParm);
        bool hi = Input.GetKey (KeyCode.H);
        anim.SetBool ("Hi", hi);
    }