15-python爬虫之scrapy框架
生成项目
scrapy startproject tutorial
```
tutorial/
scrapy.cfg
tutorial/
__init__.py
items.py
pipelines.py
settings.py
spiders/
__init__.py
baike.py
...
```
配置
抓取
```
#baike.py
from scrapy.spider import BaseSpider
class DmozSpider(BaseSpider):
name = "dmoz"
allowed_domains = ["dmoz.org"]
start_urls = [
"http://www.dmoz.org/Computers/Programming/Languages/Python/Books/",
"http://www.dmoz.org/Computers/Programming/Languages/Python/Resources/"
]
def parse(self, response):
filename = response.url.split("/")[-2]
open(filename, 'wb').write(response.body)
```
过滤
输出
- 前言
- Interview
- 01-cookie与session
- 04-mysql索引
- 05-memcache与redis
- 06-高并发
- 07-主从同步
- 08-myisam与inondb
- 09-框架区别
- 10-php7新特性
- 11-设计模式
- 12-MySQL优化
- 13-php自动加载机制
- 14-MongoDB命令
- 15-Python爬虫之scrapy框架
- 16-php运行原理
- 17-单点登录
- Linux
- linux常见命令
- awk
- sed
- bash-shell
- vim学习教程
- PHP
- php运行机制
- php执行效率
- word2pdf
- php预览Word
- wechat_wafter2
- Python
- python
- win-bat
- svn操作命令
- git常用操作命令
- git_install
- gitlab安装
- nextcloud
- docker