2019独角兽企业重金招聘Python工程师标准>>> 
用requests输出网站返回头
输出 'https://china-testing.github.io/' 的返回头
- 参考答案
In [1]: import requestsIn [2]: url = 'https://china-testing.github.io/'In [3]: response = requests.get(url)In [4]: response.request.headers
Out[4]: {'User-Agent': 'python-requests/2.18.4', 'Accept-Encoding': 'gzip, deflate', 'Accept': '*/*', 'Connection': 'keep-alive'}requests是HTTP访问极其重要的库，比较常用的属性有：response.status_code、response.text。
更多参考资料：python工具库介绍-requests：人性化的HTTP
用Requests和BeautifulSoup爬取博客标题
爬取 https://china-testing.github.io/ 首页的博客标题，共10条.
- 参考答案
# -*- coding: utf-8 -*-
# 讨论钉钉免费群21745728 qq群144081101 567351477
# CreateDate: 2018-10-16import requests
from bs4 import BeautifulSoupdef get_upcoming_events(url):req = requests.get(url)soup = BeautifulSoup(req.text, 'lxml')events = soup.findAll('article')for event in events:event_details = {}event_details['name'] = event.find('h1').find("a").textprint(event_details)get_upcoming_events('https://china-testing.github.io/')
执行结果：
$ python3 blogs.py
{'name': '接口自动化性能测试线上培训大纲'}
{'name': '2018最佳人工智能图像处理工具OpenCV书籍下载'}
{'name': 'IBM开发社区python精品文章汇总'}
{'name': 'python工具库介绍-requests：人性化的HTTP'}
{'name': '中草药的故事-金银花(标准中药)- 清热解毒，疏散风热'}
{'name': '中草药的故事-合欢花(标准中药)'}
{'name': '中草药的故事-吴茱萸(标准中药)'}
{'name': '[雪峰磁针石博客]python3快速入门教程9重要的标准库-高级篇'}
{'name': '[雪峰磁针石博客]python3快速入门教程11命令行自动化工具与pexpect'}
{'name': '[雪峰磁针石博客]python3快速入门教程9重要的标准库-基础篇'}BeautifulSoup的默认解析器为html.parser，处理大页面比较吃力，为此使用lxml。解释器html5lib的行为和浏览器表现类似。
最新代码地址
https://github.com/china-testing/python-api-tesing/blob/master/python-automation-cook/ch3/blogs.py
selenium访问'https://httpbin.org/forms/post'
用selenium访问'https://httpbin.org/forms/post'，填充内容
- 参考答案
# 讨论钉钉免费群21745728 qq群144081101 567351477
# CreateDate: 2018-10-16from selenium import webdriver
import timebrowser = webdriver.Chrome()
browser.get('https://httpbin.org/forms/post')
custname = browser.find_element_by_name("custname")
custname.clear()
custname.send_keys("python测试开发")time.sleep(2)
for size_element in browser.find_elements_by_name("size"): if size_element.get_attribute('value') == 'medium':size_element.click()time.sleep(2)
for topping in browser.find_elements_by_name('topping'):if topping.get_attribute('value') in ['bacon', 'cheese']:topping.click()time.sleep(2)
browser.find_element_by_tag_name('form').submit()
执行结果
{"args": {}, "data": "", "files": {}, "form": {"comments": "", "custemail": "", "custname": "python\u6d4b\u8bd5\u5f00\u53d1", "custtel": "", "delivery": "", "size": "medium", "topping": ["bacon", "cheese"]}, "headers": {"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8", "Accept-Encoding": "gzip, deflate, br", "Accept-Language": "zh-CN,zh;q=0.9", "Cache-Control": "max-age=0", "Connection": "close", "Content-Length": "132", "Content-Type": "application/x-www-form-urlencoded", "Host": "httpbin.org", "Origin": "https://httpbin.org", "Referer": "https://httpbin.org/forms/post", "Upgrade-Insecure-Requests": "1", "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36"}, "json": null, "origin": "183.62.236.90", "url": "https://httpbin.org/post"
}
)
