Pythonselenium的安装和下载谷歌浏览器镜像驱动

pip install selenium

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.support import expected_conditions as EC
from selenium.webdriver.support.wait import WebDriverWait
import time

# 初始化浏览器
browser = webdriver.Chrome()

try:
    browser.get('Https://baidu.com')
    # 通过 id 找到input框
    input = browser.find_element(By.CSS_SELECTOR, '#kw')
    # 输入Python
    input.send_keys('python')
    input.send_keys(Keys.ENTER)  # 按下回车键
    # 设置等待id为 content_left 的元素
    wait = WebDriverWait(browser, 10)  # 等待browser对象都为10秒
    # presence_of_element_located 表示定位元素
    wait.until(EC.presence_of_element_located((By.ID, 'content_left')))
    time.sleep(3)
finally:
    browser.close()