輸入scrapy會顯示幫助及可用命令
1.創建項目
scrapy startproject myproject
2.新建一個爬蟲
scrapy genspider mydomain mydomain.com
#查看可用的母版
scrapy genspider -l
#result
basic
crawl
csvfeed
xmlfeed
使用制定母版創建爬蟲
scrapy genspider -t crawl collinsdictionary collinsdictionary.com
--force 如果存在可以覆蓋
-d 不創建文件,直接打印在標準輸出上
3.使用spider爬取
scrapy crawl myspider
4.運行contract檢查
scrapy check myspider
5.列出當前可用爬蟲
scrapy list
6.下載供給定url
scrapy fetch https://www.collinsdictionary.com/dictionary/english/beautiful
7.用瀏覽器打開url
scrapy view https://www.collinsdictionary.com/dictionary/english/beautiful
8.shell語法
scrapy shell https://www.collinsdictionary.com/dictionary/english/beautiful
9.獲取給定url並使用相應的spider處理
scrapy parse https://www.collinsdictionary.com/dictionary/english/beautiful
10.獲取settings設定
scrapy settings --get BOT_NAME
11.運行spider
scrapy runspider myspider.py
12.查看scrapy版本
scrapy version
13.運行benchmark測試
scrapy bench
官方文檔是學習的最好資料