python写的爬虫，爬取51job前程无忧、智联招聘的大城市（北京、上海、深圳、广州、杭州、成都、武汉、长沙、珠海）各种编程岗位的职位数。
License: Apache License 2.0
已经在python3.4、python3.5、python3.6测试通过 ， 技术栈：urllib+BeautifulSoup4+SQLite，用到的py库：beautifulsoup4、configparser，以后增加图表显示的功能
python写的爬虫，爬取51job前程无忧、智联招聘的大城市（北京、上海、深圳、广州、杭州、成都、武汉、长沙、珠海）各种编程语言职位的总条数。
目前的岗位有：人工智能, 大数据, java, 前端, Android, iOS, python, php, go语言、node.js、区块链、c++、c#、产品经理。
爬取后分别保存到sqlite数据库与txt文本文件中。sqlite数据库一天只保存一次。但jobs.txt一天可以写入多次爬取的记录。
timezone这个无法导入，python 3.6.1环境
Traceback (most recent call last):
File "D:/python_study/python_spider_jobs-master/main.py", line 9, in
from datetime import datetime,timezone,timedelta
ImportError: cannot import name timezone
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