//显示任务按钮
        private void ShowCompleteBtn()
        {
            int taskId = /*tkModel.*/ curTask.taskId;

            Text text = btnNext.transform.FindChild("Text").GetComponent <Text>();

            NpcTaskState nState = tkModel.GetTaskState(taskId);

            switch (nState)
            {
            case NpcTaskState.NONE:
                break;

            case NpcTaskState.UNREACHED:
                text.text            = ContMgr.getCont("npctasktalk2");
                btnNext.interactable = false;
                break;

            case NpcTaskState.REACHED:
                text.text            = ContMgr.getCont("npctasktalk2");
                btnNext.interactable = true;
                btnNext.onClick      = OnAcceptTask;
                break;

            case NpcTaskState.UNFINISHED:
                text.text            = ContMgr.getCont("npctasktalk3");
                btnNext.interactable = false;
                break;

            case NpcTaskState.FINISHED:
                text.text            = ContMgr.getCont("npctasktalk3");
                btnNext.interactable = true;
                btnNext.onClick      = OnSubmitTask;
                break;

            default:
                break;
            }
        }