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这是一个创建于 2504 天前的主题，其中的信息可能已经有所发展或是发生改变。
# coding=utf-8
from lxml import etree
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
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver import ActionChains
import time
driver = webdriver.Chrome()
driver.get('https://www.manhuatai.com/fengqicanglan/115hs.html')
menu = driver.find_element_by_css_selector(".mh_nextpage")
actiOns= ActionChains(driver)
for i in range(3):
# 智能等待
try:
element = WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.ID, "comiclist")))
except NoSuchElementException:
print('找不到元素异常')
# 获取图片链接
res = driver.page_source
html = etree.HTML(res)
pictrue_url = html.xpath('//div[@class="mh_comicpic"]/img/@src')[0]
print(pictrue_url)
# 在“下一页”位置点击鼠标左键
actions.click(menu)
actions.perform()
driver.close()
from lxml import etree
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
from selenium.common.exceptions import NoSuchElementException
from selenium.webdriver import ActionChains
import time
driver = webdriver.Chrome()
driver.get('https://www.manhuatai.com/fengqicanglan/115hs.html')
menu = driver.find_element_by_css_selector(".mh_nextpage")
actiOns= ActionChains(driver)
for i in range(3):
# 智能等待
try:
element = WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.ID, "comiclist")))
except NoSuchElementException:
print('找不到元素异常')
# 获取图片链接
res = driver.page_source
html = etree.HTML(res)
pictrue_url = html.xpath('//div[@class="mh_comicpic"]/img/@src')[0]
print(pictrue_url)
# 在“下一页”位置点击鼠标左键
actions.click(menu)
actions.perform()
driver.close()
 | 1 songn80 2019-01-31 01:05:09 +08:00 via Android 不知道是不是手机的原因，看不到缩进啊 猜测是 acctions.click 这句有问题吧 需要清一下之前的 action 队列的 不久前遇到过这个问题 action.reset_actions()一下 |
 | 2 wc110302 2019-01-31 10:01:43 +08:00 不是的 |
 | 3 spotfg OP @songn80 现在还是没搞明白，为啥，但是我改了下代码，将下面的这几句都删了 ========= menu = driver.find_element_by_css_selector(".mh_nextpage") actiOns= ActionChains(driver) # 在“下一页”位置点击鼠标左键 actions.click(menu) actions.perform() ========= 在 for 循环最下面加了里最下面 driver.find_element_by_css_selector(".mh_nextpage").click() |
| 4 songn80 2019-02-02 22:58:39 +08:00 via Android  1 对标签用.click()是实时执行的 而 action_chain 是先构建一个队列，执行 actions.perform 的时候执行队列 如果队列不清空的话队列会员一直累积 每次循环都会向队列新增动作且保留之前的动作 |
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