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                # Selenium 等待頁面加載 > 原文: [https://pythonbasics.org/selenium_wait_for_page_to_load/](https://pythonbasics.org/selenium_wait_for_page_to_load/) 等待頁面加載 Python Selenium。 在本文中,您將學習如何做到這一點。 這有點違反直覺。 Selenium 可讓您自動執行瀏覽器,但不需要`time.sleep`即可等待頁面加載完成。 實際上,它的工作方式與您預期的不同。 ## 示例 ### Selenium 等待頁面加載 下面的代碼塊向您展示了如何等待頁面加載完成。 它使用超時。 它等待元素顯示在頁面上(您需要一個元素 ID)。 然后,如果頁面已加載,則顯示頁面已加載。 如果超過了超時時間(以秒為單位),它將顯示超時錯誤。 ```py from selenium import webdriver from selenium.common.exceptions import TimeoutException from selenium.webdriver.support.ui import WebDriverWait from selenium.webdriver.support import expected_conditions as EC from selenium.webdriver.common.by import By driver = webdriver.Firefox() driver.get('https://pythonbasics.org') timeout = 3 try: element_present = EC.presence_of_element_located((By.ID, 'main')) WebDriverWait(driver, timeout).until(element_present) except TimeoutException: print("Timed out waiting for page to load") finally: print("Page loaded") ``` ![selenium wait for page to load](https://img.kancloud.cn/12/84/128428f98ccec0048aa734cd3abdbe6c_855x377.jpg) [下載示例](https://gum.co/GjuJxo)
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