#coding:utf-8
import time
from appium import webdriver
from appium.webdriver.connectiontype import ConnectionTypedesired_caps = {}
desired_caps['platformName'] = 'Android'  # 设备系统
desired_caps['platformVersion'] = '6.0'  # 设备系统版本
desired_caps['deviceName'] = 'emulator-5554'  #  设备名称
desired_caps['appPackage'] = 'com.android.calculator2'
desired_caps['appActivity'] = '.Calculator'
driver = webdriver.Remote("http://localhost:4723/wd/hub", desired_caps)
time.sleep(3)
sleep(20)  # 强制等待20秒再执行下一步
#操作代码
driver.quit()

#coding:utf-8
import time
from appium import webdriver
from appium.webdriver.connectiontype import ConnectionTypedesired_caps = {}
desired_caps['platformName'] = 'Android'  # 设备系统
desired_caps['platformVersion'] = '6.0'  # 设备系统版本
desired_caps['deviceName'] = 'emulator-5554'  #  设备名称
desired_caps['appPackage'] = 'com.android.calculator2'
desired_caps['appActivity'] = '.Calculator'
driver = webdriver.Remote("http://localhost:4723/wd/hub", desired_caps)
driver.implicitly_wait（5） # 秒
#操作代码
driver.quit()

from selenium import webdriver
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.common.by import Bydriver = webdriver.Firefox()
driver.implicitly_wait(10)  # 隐性等待和显性等待可以同时用，但要注意：等待的最长时间取两者之中的大者
driver.get('https://www.sina.com')
locator = (By.LINK_TEXT, '微博')try:WebDriverWait(driver, 20, 0.5).until(EC.presence_of_element_located(locator))print(driver.find_element_by_link_text('微博').get_attribute('href') )
finally:driver.close()