t=滑动事件时间，毫秒n=次数# coidng=utf-8'''获取当前窗口长宽'''def get_size(dr):    x = int(dr.get_window_size()['width'])    y = int(dr.get_window_size()['height'])    return x,y'''向上滑'''def swipe_up(dr,t=500,n=1):    screen= get_size(dr)    for i in range(n):        dr.swipe(screen[0]*0.5,screen[1]*0.75,screen[0]*0.5,screen[1]*0.25,t)'''向下滑'''def swipe_down(dr,t=500,n=1):    screen= get_size(dr)    for i in range(n):        dr.swipe(screen[0]*0.5,screen[1]*0.25,screen[0]*0.5,screen[1]*0.75,t)'''向左滑'''def swipe_left(dr,t=500,n=1):    screen = get_size(dr)    for i in range(n):        dr.swipe(screen[0]*0.75,screen[1]*0.5,screen[0]*0.25,screen[1]*0.5)'''向右滑'''def swipe_right(dr,t=500,n=1):    screen = get_size(dr)    for i in range(n):        dr.swipe(screen[0]*0.25,screen[1]*0.5,screen[0]*0.75,screen[1]*0.75)