pyppteer的常用语法

await page.setUserAgent(
        ‘Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Edge/16.16299‘)  # 设置ua
await page.goto("https://passport.alibaba.com/icbu_login.htm?/")  # 请求网站

await page.type("#fm-login-id", name, {‘delay‘: random.randint(100, 151) - 50})  # 输入框  #代表id  ‘.‘代表class  第二个参数是输入值

await page.xpath(‘//*[@id="fm-login-submit"]‘)  # xpath使用

page.xpath(‘//*[@id="login-error"]/span[2]/text()‘)

await page.content()  # 页面源码

await page.cookies()  # cookies

cookies_list = await page.cookies()
for cookie in cookies_list:
    str_cookie = ‘{0}={1};‘
    str_cookie = str_cookie.format(cookie.get(‘name‘), cookie.get(‘value‘))
    cookies += str_cookie  # 组成cookies字符串