###爬虫框架scrapy练习

创建scrapy工程

scrapy startproject jianshu

工程目录： jianshu/ scrapy.cfg jianshu/ init.py items.py pipelines.py settings.py spiders/ init.py ...

运行scrapy爬虫

scrapy crawl yourspidername

可直接运行工程main.py文件

cmdline.execute("scrapy crawl jianshu".split())