我从昨天开始尝试使用 XPATH、CSS_SELLECTOR 查找一些按钮元素,但我的代码无法正常工作。我不明白我有我在网站上选择的标签之一,但找不到元素问题是什么?
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
import time
#from instagramuser import username,password
class Instagram:
def __init__(self,username,password):
self.username = username
self.password = password
self.browser = webdriver.Chrome()`
def signIn(self):
self.browser.get("https://www.instagram.com/")
self.browser.maximize_window()
time.sleep(2)
self.browser.find_element(By.XPATH,'//*[@id="loginForm"]/div/div[1]/div/label/input').send_keys(self.username)
time.sleep(1)
self.browser.find_element(By.XPATH,'//*[@id="loginForm"]/div/div[2]/div/label/input').send_keys(self.password)
time.sleep(1)
self.browser.find_element(By.CSS_SELECTOR,'button[class="_a9-- _a9_0"]').click()
time.sleep(5)
def getFollowers(self):
self.browser.get(f"https://www.instagram.com/{self.username}/")
self.browser.find_element(By.XPATH,'//*[@id="mount_0_0_JS"]/div/div/div[1]/div/div/div/div[1]/div[1]/div[2]/section/main/div/header/section/div[1]/div[1]/div[1]/div/a')
您的选择器错误,这是正确的 Xpath:
self.browser.find_element(By.XPATH, '//button[@class="_acan _acap _acas _aj1-"]').click()
用您的错误中出现的那个替换它。
还有一个提示,不要使用 time.sleep 来等待页面加载,你应该使用 WebdriverWait 模块,等待元素出现的最长时间,但是当它找到它时,程序会立即运行.
例子:
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as ec
element = WebDriverWait(self.browser, 10).until(ec.presence_of_element_located((By.XPATH, '//button[@class="_acan _acap _acas _aj1-"]')))
# You can do whatever actions you like then
element.click()
element.send_keys()