RecyclerView之LayoutManager构造方法LinearLayoutManager(Context context, int orientation, boolean reve。。。。
/***@paramcontextCurrentcontext,willbeusedtoaccessresources.*@paramorientationLayoutorientation.Shouldbe{@link#HORIZONTAL}or{@link*#VERTICAL}.*@paramreverseLayoutWhensettotrue,layoutsfromendtostart.*/