scrapy1.6下载图片

# 创建项目
scrapy startproject downimg

# settings.py 67行
ITEM_PIPELINES = {
   #‘downimg.pipelines.DownimgPipeline‘: 300,
    ‘scrapy.pipelines.images.ImagesPipeline‘: 1
}
MAGES_STORE = ‘images‘  # 存储图片文件位置
IMAGES_URLS_FIELD = ‘src‘ # 下载URL上面的SRC

# items.py 新增
class DownImagesItem(scrapy.Item):
    src = scrapy.Field()
    pass

# 创建爬虫文件 spiders/img_spider.py
import scrapy
from ..items import DownImagesItem
class ImgSpider(scrapy.Spider):
    # 爬虫名称
    name = ‘img‘
    # 指定域名 爬虫不会访问其他域名
    allowed_domains = [‘ivsky.com‘]
    # 需要采集的页面
    start_urls = [‘https://www.ivsky.com/tupian/tiankong_t811/‘]
    def parse(self, response):
        # 获取列表全部图片
        img_url = response.css("ul.pli li a img::attr(src)").getall()
        for img in img_url:
            item = DownImagesItem()
            # 拼接完整URL放入item
            item[‘src‘] = [‘https:‘+img]
            yield item
        next_url = response.css("div.pagelist a.page-next::attr(href)").get()
        if next_url:
            # 拼接完成下一页路径
            url = ‘https://www.ivsky.com‘+next_url
            yield scrapy.Request(url=url, callback=self.parse)

# 执行爬虫
# scrapy.cfg 目录下执行
scrapy crawl img