获取对象

public CharacterController cc;
cc=gameObject.GetComponent<CharacterController>();

if(Input.GetKey(KeyCode.RightArrow)) cc.Move(Vector3.right*Time.deltaTime*10f);
else if(Input.GetKey(KeyCode.LeftArrow)) cc.Move(Vector3.left*Time.deltaTime*10f);
else if(Input.GetKey(KeyCode.UpArrow)) cc.Move(Vector3.up*Time.deltaTime*10f);
else if(Input.GetKey(KeyCode.DownArrow)) cc.Move(Vector3.down*Time.deltaTime*10f);
else if(Input.GetKey(KeyCode.W))cc.Move(Vector3.forward*Time.deltaTime*10f);
else if(Input.GetKey(KeyCode.S))cc.Move(Vector3.back*Time.deltaTime*10f);