#coding=utf-8
#filename = "百度搜索设置练习"
from selenium import webdriver
import time
driver = webdriver.Chrome()
driver.get("http://www.baidu.com") #打开百度页
driver.maximize_window() #窗口最大化
time.sleep(3)
driver.find_element_by_link_text("设置").click() #点击百度右上角设置
driver.find_element_by_link_text("搜索设置").click() #点击下拉选项搜索设置
time.sleep(3)
#修改每页显示条数
driver.find_element_by_xpath("//*[@id='nr']/option[3]").click()
driver.find_element_by_xpath(".//*[@id='gxszButton']/a[1]").click()
time.sleep(3)
t = driver.switch_to_alert()
t.accept()
