批量重置密码

#导入各种包
from selenium import webdriver#浏览器
from selenium.webdriver.common.by import By#选择器
from selenium.webdriver.support import expected_conditions as EC#等待条件
from selenium.webdriver.support.wait import WebDriverWait#等待
from selenium.webdriver.common.keys import Keys#键盘
from selenium.common.exceptions import NoSuchElementException,StaleElementReferenceException,ElementNotVisibleException,TimeoutException,WebDriverException#各种错误类型
import time#计时器
def login():
	url='https:///login.html'
	global dr
	dr=webdriver.Chrome()
	dr.maximize_window()
	dr.get(url)
	try:
		dr.switch_to.frame('wx-login')
		print('查找内嵌iframe！')
	except:
		print('查找内嵌iframe失败！')
		return
	try:
		em=WebDriverWait(dr,20).until(EC.presence_of_element_located((By.CSS_SELECTOR,'div.codelogin-bto>span')))
		em.click()
		print('单击平台账号密码登录！')
	except:
		print('单击平台账号密码登录失败！')
		return
	try:
		em=WebDriverWait(dr,20).until(EC.presence_of_element_located((By.CSS_SELECTOR,'input[placeholder="请输入平台帐号"]')))
		em.send_keys('')
		print('输入账号！')
	except:
		print('输入账号失败！')
		return
	try:
		em=WebDriverWait(dr,20).until(EC.presence_of_element_located((By.CSS_SELECTOR,'input[placeholder="请输入平台密码"]')))
		em.send_keys('')
		print('输入密码！')
	except:
		print('输入密码失败！')
		return
#class="el-button.el-button--primary"
	try:
		em=WebDriverWait(dr,20).until(EC.presence_of_element_located((By.CSS_SELECTOR,'button.el-button.el-button--primary')))
		em.click()
		print('单击登录！')
	except:
		print('单击登录失败！')
		return
#p:nth-child(2)
	try:
		em=WebDriverWait(dr,20).until(EC.presence_of_element_located((By.CSS_SELECTOR,'#MenuList a:nth-child(6)')))
		em.click()
		print('单击去管理！')
	except:
		print('单击去管理失败！')
		return
	try:
		dr.switch_to.window(dr.window_handles[len(dr.window_handles)-1])
		#dr.switch_to.window(dr.window_handles[0])
		print('跳转到新页面！')
	except:
		print('跳转到新页面失败！')
		return
	time.sleep(2)
#   .accordion.dwz-accordion div:nth-child(5)
	try:
		em=WebDriverWait(dr,20).until(EC.presence_of_element_located((By.CSS_SELECTOR,'#sidebar div:nth-child(3) div:nth-child(5)')))
		em.click()
		print('单击账号管理！')
	except:
		print('单击账号管理失败！')
		return
	time.sleep(1)
#ClassManagement_Manage
	try:
		em=WebDriverWait(dr,20).until(EC.presence_of_element_located((By.CSS_SELECTOR,'[rel="ClassManagement_Manage"]')))
		em.click()
		print('单击查看学生账号！')
	except:
		print('单击查看学生账号失败！')
		return
	time.sleep(1)
#首页处理
	btns=dr.find_elements_by_css_selector('a.button')
	print(len(btns))
	for i in range(25):
		#break
		dr.find_elements_by_css_selector('a.button')[i].click()
		time.sleep(1)
		dr.find_element_by_css_selector('#alertMsgBox>div.alertContent>div>div.toolBar>ul>li>a>span').click()
		time.sleep(1)
		dr.find_element_by_css_selector('#alertMsgBox>div.alertContent>div>div.toolBar>ul>li>a>span').click()	
		time.sleep(1)
#下一页处理
	while(1):
		#break
		if 'disabled' in dr.find_element_by_css_selector('li.j-next').get_attribute('class'):
			print('已经是最后一页')
			break
		try:
			dr.find_element_by_css_selector('li.j-next').click()
			time.sleep(2)
			btns=dr.find_elements_by_css_selector('a.button')
			print(len(btns))
			for i in range(25):
				dr.find_elements_by_css_selector('a.button')[i].click()
				time.sleep(1)
				dr.find_element_by_css_selector('#alertMsgBox>div.alertContent>div>div.toolBar>ul>li>a>span').click()
				time.sleep(1)
				dr.find_element_by_css_selector('#alertMsgBox>div.alertContent>div>div.toolBar>ul>li>a>span').click()	
				time.sleep(1)
		except:
			continue
	dr.execute_script('alert("所有人密码重置已经完成！");')
if __name__ == '__main__':
	login()