爬取小说

spider

import scrapy
from xiaoshuo.items import XiaoshuoItem


class XiaoshuoSpiderSpider(scrapy.Spider):
   name = 'xiaoshuo_spider'
   allowed_domains = ['zy200.com']
   url = 'http://www.zy200.com/5/5943/'
   start_urls = [url + '11667352.html']

   def parse(self, response):
       info = response.xpath("/html/body/div[@id='content']/text()").extract()
       href = response.xpath("//div[@class='zfootbar']/a[3]/@href").extract_first()
       xs_item = XiaoshuoItem()
       xs_item['content'] = info
       yield xs_item

       if href != 'index.html':
           new_url = self.url + href
           yield scrapy.Request(new_url, callback=self.parse)

items

import scrapy


class XiaoshuoItem(scrapy.Item):
   # define the fields for your item here like:
   content = scrapy.Field()
   href = scrapy.Field()

pipeline

class XiaoshuoPipeline(object):
   def __init__(self):
       self.filename = open("dp1.txt", "w", encoding="utf-8")

   def process_item(self, item, spider):
       content = item["title"] + item["content"] + '\n'
       self.filename.write(content)
       self.filename.flush()
       return item

   def close_spider(self, spider):
       self.filename.close()