网上大多下载图片需要找到定位器,然后调用截图命令,保存到本地,还有更复杂的,先把网页全屏,截屏幕,算出图片坐标,再抠图,超级麻烦,或是采用request命令还要和cookie对上,极为复杂,playwright中通过监听命令,轻松搞定。
为简单只是想做登录接口而不是破解的提供便利
from playwright.sync_api import sync_playwright
def on_response(response):
# 通过发送的url中有这个字符串的,截获数据包,200表示正常通讯
if 'action=verifyimg' in response.url and response.status == 200:
# body就是图片的二进制bytes
image = response.body()
with open('code_pic.png', 'wb') as f:
f.write(image)
with sync_playwright() as p:
browser = p.chromium.launch(headless=False)
page = browser.new_page()
page.on('response', on_response)
page.goto('https://XXXXX/')
page.wait_for_load_state('networkidle')
page.wait_for_timeout(100000)
page.remove_listener()
browser.close()