selenium实现alibaba下一页

　　运用selenium实现alibaba工作职位页面的下一页：

import selenium
import selenium.webdriver
import selenium.webdriver.common.keys
import time

driver = selenium.webdriver.Chrome(executable_path=r"C:\Users\Administrator\AppData\Local\Google\Chrome\Application\chromedriver.exe")
driver.get("https://job.alibaba.com/zhaopin/positionList.htm?keyWord=cHl0aG9u&_input_charset=UTF-8&")
time.sleep(5)
print(driver.page_source)   #打印网页源代码
elem=driver.find_element_by_xpath("//*[@class=\"pagination\"]/ul//li[last()]//a")   
print(elem)
elem.click()
time.sleep(25)