selenium操作网页再练手

# coding:utf-8
from selenium.common import NoSuchElementException, TimeoutException
from selenium.webdriver.support import expected_conditions as EC
from tkinter import *
import threading
from tkinter import ttk
import pandas as pd
from selenium.webdriver.support.wait import WebDriverWait
import time
from selenium import webdriver
from selenium.webdriver.common.by import By


def _OA_selenium():
    driver = webdriver.Chrome()
    driver.get("http://192.168.1.9/")
    # 窗口最大化
    driver.maximize_window()
    # 隐式等待
    driver.implicitly_wait(30)
    # 登录
    driver.find_element(By.ID, "loginid").send_keys("123")
    driver.find_element(By.ID, "userpassword").send_keys("123")
    driver.find_element(By.ID, "submit").click()
    # 显式等待
    wait = WebDriverWait(driver, 30, 0.5)

    def run():
        # nonlocal driver
        driver.implicitly_wait(5)
        # 切换到新标签页
        driver.switch_to.window(driver.window_handles[1])
        el = wait.until(EC.presence_of_element_located(
            (By.XPATH,
             '/html/body/div[1]/div/div/div[2]/div[1]/div[2]/div[1]/div/div/div[2]/div[2]/div/div[1]/span[1]')))
        el.click()
        # 转入iframe
        fr = wait.until(EC.presence_of_element_located(
            (By.XPATH, '//*[@id="cke_1_contents"]/iframe')))
        driver.switch_to.frame(fr)  # 括号里可以是iframe标签的id或name
        el = wait.until(EC.presence_of_element_located(
            (By.XPATH, '/html/body/p')))
        el.click()
        content_body = driver.find_element(By.TAG_NAME, 'body')
        content_body.send_keys("随意")
        driver.switch_to.default_content()
        el = wait.until(EC.presence_of_element_located(
            (By.XPATH, '/html/body/div[1]/div/div/div[2]/div[1]/div[1]/div/div[3]/div/div[2]/div/span[1]/button/div')))
        el.click()
        el = wait.until(EC.presence_of_element_located(
            (By.XPATH, '/html/body/div[9]/div/div[2]/div/div[1]/div/div/div[2]/button/span')))
        el.click()
        driver.switch_to.window(driver.window_handles[0])
    flag = True
    while flag:
        driver.refresh()
        try:
            el = wait.until(EC.presence_of_element_located((By.XPATH,
                                                            '//*[@id="tabcontant_655"]/div[1]/div/div/div/div/div/div/div/div/div/div/div/span/div/table/tbody/tr/td[2]/span/a')))
        except (NoSuchElementException, TimeoutException):
            driver.quit()
            flag = False
        el.click()
        run()
    # input('t')


_OA_selenium()

　　代码中循环刷新网页不太好，应该用   find_elements 取元素后循环处理。

EC.presence_of_element_located的参数注意要用（）括起来