头歌实训答案:Scrapy爬虫基础

Scrapy爬虫基础

第1关：Scarpy安装与项目创建

pip install scrapy
cd /root
scrapy startproject HelloWorld
cd HelloWorld
scrapy genspider world www.baidu.com

第2关：Scrapy核心原理

# -*- coding: utf-8 -*-
import scrapy


class WorldSpider(scrapy.Spider):
    name = 'world'
    allowed_domains