#coding:utf-8
from selenium import webdriver
import time
driver = webdriver.Chrome()
driver.get("https://segmentfault.com/news")

# 获得所有分页的数量
# -2是因为要去掉上一个和下一个
total_pages = len(driver.find_element_by_class_name("pagination").find_elements_by_tag_name("li"))-2
print "total_pages is %s" %(total_pages)

# 获取当前页面是第几页
current_page = driver.find_element_by_class_name('pagination').find_element_by_class_name('active')
print "current page is %s" %(current_page.text)

#跳转到第二页
next_page = driver.find_element_by_class_name("pagination").find_element_by_link_text("2")
next_page.click()