如何用python得到手机端页面的完整截图？
我想要用python获取一个手机端页面完整的长截图。我用了mobile emulation来设置长和宽。这个页面太长了，我hardcode去获取了固定的数值。现在设定的宽是375，长是22000，但如果是这么设定的话，我会得到以下这个报错"Time out receiving a message from the renderer"。现在有两个问题让我感到困惑：[*]我是把固定的长和宽的数值放在mobile emulation里的，且长的值特别大，这也做的对的吗？
[*]driver.set_window_size(width, height-1800) 我不确定这一行代码是否需要改成driver.set_window_size(width, height)或者别的？
下面是比较完整的代码，如果有什么问题的话，请随时告诉我，先谢啦！def save_screenshot(url):
mobile_emulation = {
"deviceMetrics": { "width": 375, "height": 22000, "pixelRatio": 3.0 },
"userAgent": "Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 5 Build/JOP40D) "
"AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile
Safari/535.19" }
chrome_options = webdriver.ChromeOptions()
chrome_options.add_experimental_option("mobileEmulation", mobile_emulation)
chrome_options.add_argument("start-maximized")
chrome_options.add_argument("enable-automation")
chrome_options.add_argument("--headless")
chrome_options.add_argument("--no-sandbox")
chrome_options.add_argument("--disable-infobars")
chrome_options.add_argument("--disable-dev-shm-usage")
chrome_options.add_argument("--disable-browser-side-navigation")
chrome_options.add_argument("--disable-gpu")
driver = webdriver.Chrome(chrome_options=chrome_options)
driver.get(url)
driver.implicitly_wait(5)
width = driver.execute_script("return document.documentElement.scrollWidth")
height = driver.execute_script("return document.documentElement.scrollHeight")
print(width,height)
driver.set_window_size(width, height-1800)
time.sleep(1)
driver.save_screenshot(NAME)
长度太长了，增加等待时间 参考下这个链接https://www.jb51.net/article/168609.htm https://www.jianshu.com/p/c5e5a18fea2e看下这个 adb shell /system/bin/screencap -p /sdcard/screenshot.png 滚动截长屏
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