具体方法就是捕获错误并重新运行程序,案例如下:
# 获取一个地区二手房信息的总页数 def get_total_page(browser, url): browser.get(url) try: time.sleep(4) total_room = browser.find_element_by_xpath('/html/body/div[4]/div[1]/div[2]/h2/span').text if not total_room: return None if int(total_room) <= 30: return 1 total = WebDriverWait(browser, 30).until( EC.presence_of_element_located((By.XPATH, "/html/body/div[4]/div[1]/div[7]/div[2]/div/a[last()]")) ) if not total.text.isdigit(): total_page = browser.find_element_by_xpath('/html/body/div[4]/div[1]/div[7]/div[2]/div/a[last()-1]').text else: total_page = total.text return total_page except TimeoutException as e: print('获取总页数失败,25秒后重新获取') time.sleep(25) return get_total_page(url)
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