英文:
Find Elements ın Python Selenium
问题
以下是您的翻译内容：
"Im trying to find some button elements with XPATH,CSS_SELLECTOR since yesterday but my codes is not working. I dont understand I have one of the tags I chose in the website but cant find the element what is the problem ?"
我昨天开始尝试使用XPATH和CSS选择器来查找一些按钮元素，但我的代码不起作用。我不明白，我已经选择了网站中的一个标签，但无法找到元素，问题在哪里？
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.common.by import By
import time
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')
# 错误截图：https://i.stack.imgur.com/trbZb.jpg
请注意，我保留了代码部分，并只进行了文本内容的翻译。
英文:
Im trying to find some button elements with XPATH,CSS_SELLECTOR since yesterday but my codes is not working. I dont understand I have one of the tags I chose in the website but cant find the element what is the problem ?
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')
答案1
得分: 1
你的选择器是错误的，这里是正确的XPath：
self.browser.find_element(By.XPATH, '//button[@class="_acan _acap _acas _aj1-"]').click()
请用出现在你的错误中的这个来替换。
另外，一个提示是不要使用time.sleep来等待页面加载，你应该使用WebdriverWait模块，它等待元素最多的一段时间，但当找到它时，程序会立即运行。
示例：
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-"]')))
# 然后你可以执行任何你想要的操作
element.click()
element.send_keys()
英文:
Your selector is wrong, here is the correct Xpath:
self.browser.find_element(By.XPATH, '//button[@class="_acan _acap _acas _aj1-"]').click()
Replace this with the one appearing in your error.
And a tip, don't use time.sleep to wait for page to load, you should use WebdriverWait module, that waits for a maximum period of time for the element to appear, but when it does find it, the program runs instantly.
Example:
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()
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