我已經在python中與Selenium一起編寫了一個腳本,以提取顯示在finance.yahoo網站左側欄中的不同新聞的標題。我用CSS選擇器來獲取內容。但是,腳本既沒有給出任何結果,也沒有發生任何錯誤。我無法弄清楚我犯的錯誤。希望有人會看看它。提前致謝。刮刀無法從網站中提取標題
這裏是我的腳本:
from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
driver = webdriver.Chrome()
driver.get("https://finance.yahoo.com/")
wait = WebDriverWait(driver, 10)
wait.until(EC.presence_of_element_located((By.CSS_SELECTOR, "u.StretchedBox")))
for item in driver.find_elements_by_css_selector("u.StretchedBox span"):
print(item.text)
driver.quit()
元素在其中標題是:
<h3 class="M(0)" data-reactid="128"><a rel="nofollow noopener noreferrer" class="Fw(b) Fz(20px) Lh(23px) LineClamp(2,46px) Fz(17px)--sm1024 Lh(19px)--sm1024 LineClamp(2,38px)--sm1024 Td(n) C(#0078ff):h C(#000)" target="_blank" href="https://beap.gemini.yahoo.com/mbclk?bv=1.0.0&es=bVwDtPMGIS8NDKqncZWZBjLsQQHm58Z9cLJuMqC6LadDlYfVCoy.d3GqO599EPAiYnsxB0SB8aRURPve9Q8mOEjH.NrcVcVDhldut.C_9Vn16XER1q1G07a48FMQ_.sv9GCyVx7zcj1kBtWPysaYzQqboJWgUo5DRRHbAnejwVtYRPHJTEptil92tx_ccJZ9FnxE8L3tfDuS0Q3l5ftVhamTOon_nzuvtvqqBwD7X0T.7Z3wZBgtH93gM1xImZ0hdFUzsuQPDAjZWs1KdH0YsXIf3uLrmcJFoI9leh8KRljnIPC.RdhOF6OYcJfHtDks85nSIgfOsMyUr1wEhMA2Qa2htpEg5w.P4UIXeoldjzJ_NsUrtXqEFIJNKoaeq_FNiQ9wcI16utKO87167zkfSPzVY09d3pVLZg20V7tqTThOkG_IakPnmlOriJKnufsBWj1wp.6Q4PasAt2g4Y1yw9U71FIfG2dDwpryRKDWrUBfTvjwwItlSyXyvWvIYUyXXxR74qWcIEC3KAvVN7.iqSckV_EssVM8ytp5HiN4iTACpEmc96rpdNEqHYpRotwze8NF5cDubsZbW58Hauq_aO.DbhZJ7TbBDx5vZK_M%26lp=https%3A%2F%2Fin.search.yahoo.com%2Fsearch%3Fp%3Dcheap%2Bairfare%2Bdomestic%26fr%3Dstrm-tts-thg%26.tsrc%3Dstrm-tts-thg%26type%3Dcheapairfaredomestic-in" data-reactid="129">
<u class="StretchedBox" data-reactid="130"></u>
<span data-reactid="131">The Cheapest Domestic Airfare Rates</span></a></h3>
我沒有看到任何網站上的'span'內'u'。你能把你感興趣的價值截圖嗎? –