使用scrapy_redis，实时增量更新东方头条网全站新闻

存储使用mysql，增量更新东方头条全站新闻的标题 新闻简介 发布时间 新闻的每一页的内容 以及新闻内的所有图片。东方头条网没有反爬虫，新闻除了首页，其余板块的都是请求一个js。抓包就可以看到。

项目文件结构。

这是settings.py

 # -*- coding: utf-8 -*-

 # Scrapy settings for eastday project
 #
 # For simplicity, this file contains only settings considered important or
 # commonly used. You can find more settings consulting the documentation:
 #
 #     http://doc.scrapy.org/en/latest/topics/settings.html
 #     http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
 #     http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html

 BOT_NAME = 'eastday'

 SPIDER_MODULES = ['eastday.spiders']
 NEWSPIDER_MODULE = 'eastday.spiders'

 DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
 SCHEDULER = "scrapy_redis.scheduler.Scheduler"
 REDIS_START_URLS_AS_SET=True   #shezhi strat_urls键是集合，默认是false是列表
 SCHEDULER_PERSIST = True

 DEPTH_PRIORITY=0
 RETRY_TIMES = 20

 IMAGES_STORE = 'd:/'
 IMAGES_EXPIRES = 90

 REDIS_HOST = 'localhost'
 REDIS_PORT = 6379
 # Crawl responsibly by identifying yourself (and your website) on the user-agent
 #USER_AGENT = 'eastday (+http://www.yourdomain.com)'

 # Obey robots.txt rules
 ROBOTSTXT_OBEY = False

 # Configure maximum concurrent requests performed by Scrapy (default: 16)
 CONCURRENT_REQUESTS = 10

 # Configure a delay for requests for the same website (default: 0)
 # See http://scrapy.readthedocs.org/en/latest/topics/settings.html#download-delay
 # See also autothrottle settings and docs
 DOWNLOAD_DELAY = 0
 # The download delay setting will honor only one of:
 #CONCURRENT_REQUESTS_PER_DOMAIN = 16
 #CONCURRENT_REQUESTS_PER_IP = 16

 # Disable cookies (enabled by default)
 #COOKIES_ENABLED = False

 # Disable Telnet Console (enabled by default)
 #TELNETCONSOLE_ENABLED = False

 # Override the default request headers:
 #DEFAULT_REQUEST_HEADERS = {
 #   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
 #   'Accept-Language': 'en',
 #}

 # Enable or disable spider middlewares
 # See http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
 #SPIDER_MIDDLEWARES = {
 #    'eastday.middlewares.EastdaySpiderMiddleware': 543,
 #}

 # Enable or disable downloader middlewares
 # See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html

 DOWNLOADER_MIDDLEWARES = {
     "eastday.middlewares.UserAgentMiddleware": 401,
     #"eastday.middlewares.CookiesMiddleware": 402,
 }

 # Enable or disable extensions
 # See http://scrapy.readthedocs.org/en/latest/topics/extensions.html
 #EXTENSIONS = {
 #    'scrapy.extensions.telnet.TelnetConsole': None,
 #}

 # Configure item pipelines
 # See http://scrapy.readthedocs.org/en/latest/topics/item-pipeline.html
 ITEM_PIPELINES = {
     #'eastday.pipelines.EastdayPipeline': 300,
     'eastday.pipelines.MysqlDBPipeline':400,
    'eastday.pipelines.DownloadImagesPipeline':200,
     #'scrapy_redis.pipelines.RedisPipeline': 400,

 }

 # Enable and configure the AutoThrottle extension (disabled by default)
 # See http://doc.scrapy.org/en/latest/topics/autothrottle.html
 #AUTOTHROTTLE_ENABLED = True
 # The initial download delay
 #AUTOTHROTTLE_START_DELAY = 5
 # The maximum download delay to be set in case of high latencies
 #AUTOTHROTTLE_MAX_DELAY = 60
 # The average number of requests Scrapy should be sending in parallel to
 # each remote server
 #AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
 # Enable showing throttling stats for every response received:
 #AUTOTHROTTLE_DEBUG = False

 # Enable and configure HTTP caching (disabled by default)
 # See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
 #HTTPCACHE_ENABLED = True
 #HTTPCACHE_EXPIRATION_SECS = 0
 #HTTPCACHE_DIR = 'httpcache'
 #HTTPCACHE_IGNORE_HTTP_CODES = []
 #HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'

setting.py

这是items.py

 # -*- coding: utf-8 -*-

 # Define here the models for your scraped items
 #
 # See documentation in:
 # http://doc.scrapy.org/en/latest/topics/items.html

 import scrapy

 class EastdayItem(scrapy.Item):
     # define the fields for your item here like:
     # name = scrapy.Field()
     title=scrapy.Field()
     url=scrapy.Field()
     tag=scrapy.Field()
     article=scrapy.Field()
     img_urls=scrapy.Field()
     crawled_time=scrapy.Field()
     pubdate=scrapy.Field()
     origin=scrapy.Field()

     brief = scrapy.Field()
     miniimg = scrapy.Field()

     pass

 '''
 class GuoneiItem(scrapy.Item):
     # define the fields for your item here like:
     # name = scrapy.Field()
     title=scrapy.Field()
     url=scrapy.Field()
     tag=scrapy.Field()
     article=scrapy.Field()
     img_urls=scrapy.Field()
     crawled_time=scrapy.Field()

     brief=scrapy.Field()
     miniimg=scrapy.Field()

     pass
 '''

items.py

文件太多啦，不一一贴了，源码文件已打包已上传到博客园，但没找到分享文件链接的地方，如果要源码的可以评论中留言。

这是mysql的存储结果：

东方头条内容也是采集其他网站报刊的，内容还是很丰富，把东方头条的爬下来快可以做一个咨询内容的app了。

文章图片采用的是新闻中图片的连接的源文件名，方便前端开发在页面中展现正确的图片。用来做针对用户的数据挖掘的精准兴趣推荐。