python爬取豆瓣top250的电影的信息，没有报错哦，但是没有结果

Question

![#-*-coding:utf-8-*-
from scrapy import Spider
from scrapy.http import Request
from scrapy.selector import Selector
from douban.items import DoubanMovieItem
class Douban(Spider):
    name='douban'
    start_urls=['https://movie.douban.com/top250']
    #为了爬去下一页的数据的url
    url='https://movie.douban.com/top250'
    def parse(self,response):
        print response.body
        item=DoubanMovieItem()
        selector=Selector(response)
        #电影的信息全部在class为info的div中
        Mobies=selector.xpath('//div\[@class="info"\]')
        for eachMovie in Mobies:
            title=eachMovie.xpath('div\[@class="hd"\]/a/span/text()').extract()
            fullTitle=''
            for each in title:
                fullTitle+=each
            movieInfo=eachMovie.xpath('div\[@class="bd"\]/p/text()').extract()
            star=eachMovie.xpath('div\[@class="bd"\]/div\[@class="star\]/span/em/text()').extract()
            quote=eachMovie.xpath('div\[@class="bd"\]/p\[@class="quote\]/span/text()').extract()
            if quote:
                quote=quote[0]
            else:
                quote=''![图片描述][1]
            item['title']=fullTitle
            item['movieinfo']=';'.join(movieInfo)
            item['star']=star
            item['quote']=quote
            yield item
        nextlink=selector.xpath('//span\[@class="next"\]/link/@href').extract()
        if nextlink:
            nextlink=nextlink[0]
            print nextlink
            yield Request(self.url+nextlink,callable=self.parse)][1]
            
            
            
            
            setting的代码
                BOT_NAME = 'douban'

SPIDER_MODULES = ['douban.spiders']
NEWSPIDER_MODULE = 'douban.spiders'
USER_AGENT='Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.8 Safari/537.36'

# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'douban (+http://www.yourdomain.com)'

# Obey robots.txt rules
ROBOTSTXT_OBEY = True

Answer 1

我去那个豆瓣页面看了一下，发现是这句

Mobies=selector.xpath('//div\[@class="info"\]')

写的有问题，导致selector返回空列表，试试把xpath规则改成//div[@class="info"]？

捎带一提，如果不是故意的，变量名应该是Movies