from selenium import webdriver
from time import sleep
from selenium.webdriver.common.by import By
from selenium.webdriver.support.select import Select
driver=webdriver.Firefox()
driver.get('http://localhost/upload/admin/index.php')
driver.find_element(By.NAME,'username').send_keys('admin')
driver.find_element(By.NAME,'password').send_keys('admin123')
driver.find_element(By.NAME,'captcha').send_keys('0')
driver.find_element(By.XPATH,'//input[@value="进入管理中心"]').click()
sleep(9)
driver.switch_to.frame('header-frame')
driver.find_element(By.LINK_TEXT,'个人设置').click()
sleep(6)
driver.switch_to.default_content()
driver.switch_to.frame('main-frame')
# 设置个人导航的左侧那个下拉列表（可多选）
s1=Select(driver.find_element(By.ID,'menus_navlist'))
# 选中5个选项
for i in range(5):#i=0、1、2、3、4
    s1.select_by_index(i)
sleep(4)
# 取消：deselect……
s1.deselect_by_visible_text('商品列表')
sleep(2)
s1.deselect_by_index(1)
sleep(2)
s1.deselect_by_value('comment_manage.php?act=list')
sleep(2)
s1.deselect_all()#一次性取消所有选项
sleep(5)
driver.quit()