在appium 的appium\webdriver\extensions\action_helpers.py下提供了一个可以上下左右滑动的方法：swipe()
这个方法用起来到也比较简单，首先获取屏幕的宽度、高度，然后计算出滑动的开始位置到结束位置的距离，
再把参数传递给swipe()调用即可：
不过要先弄清楚手机屏幕的起始坐标位置，要不然，滑动时就打不到效果了。
手机屏幕的起始坐标都是在左上角，也就是说左上角开始位置x轴、y轴都是0。弄清楚这一点，接一下来就好做了。
如下图
具体实现代码如下：
#-*-encoding:utf-8-*-
from appium import webdriver
from time import sleep
desired_caps = {
"platformName":"Android",
"platformVersion":"6.0",
"deviceName":"PJQDU16715003110",
# "appPackage":"com.tencent.mtt",
# "appActivity":"com.tencent.mtt.MainActivity",
# "appActivity":"com.android.chrome",
# "appPackage":"com.tencent.mobileqq",
# "appActivity":"com.tencent.mobileqq.activity.SplashActivity",
"appPackage":"com.tencent.mm",
"appActivity":".ui.LauncherUI",
"automationName":"uiautomator2",
"unicodeKeyboard":"True",
"resetKeyboard":"True",
"noReset":"True",
"chromeOptions":{"androidProcess":"com.tencent.mm:tools"}
# PJQDU16715003110
}
driver = webdriver.Remote("http://127.0.0.1:4723/wd/hub",desired_caps)
sleep(5)
#获取手机屏幕宽、高
x = driver.get_window_size()["width"]
y = driver.get_window_size()["height"]
# print x,y
def swipe_down(driver,start_y=0.25,stop_y=0.75,duration=3000):
#按下手机屏幕，向下滑动
#注意，向下滑时，x轴不变，要不然就变成了斜向下滑动了
#@duration：持续时间
x1 = int(x*0.5)
y1 = int(y*start_y)
x2 = int(x*0.5)
y2 = int(y*stop_y)
# print x1,y1,x2,y2
driver.swipe(x1,y1,x2,y2,duration)
def swipe_up(driver,start_y=0.75,stop_y=0.25,duration=3000):
#按下手机屏幕，向上滑动
#注意，向上滑时，x轴不变，要不然就变成了斜向下滑动了
#@duration：持续时间
x1 = int(x*0.5)
y1 = int(y*start_y)
x2 = int(x*0.5)
y2 = int(y*stop_y)
# print x1,y1,x2,y2
driver.swipe(x1,y1,x2,y2,duration)
def swipe_left(driver,star_x=0.75,stop_x=0.25,duration=3000):
#按下手机屏幕，向左边滑动
#注意，向左边滑时，y轴不变
#@duration：持续时间
x1 = int(x*star_x)
y1 = int(y*0.5)
x2 = int(x*stop_x)
y2 = int(y*0.5)
# print x1,y1,x2,y2
driver.swipe(x1,y1,x2,y2,duration)
def swipe_right(driver,star_x=0.25,stop_x=0.75,duration=3000):
#按下手机屏幕，向右边滑动
#注意，向左边滑时，y轴不变
#@duration：持续时间
x1 = int(x*star_x)
y1 = int(y*0.5)
x2 = int(x*stop_x)
y2 = int(y*0.5)
# print x1,y1,x2,y2
driver.swipe(x1,y1,x2,y2,duration)