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

  1 # -*- coding: utf-8 -*-
  2 
  3 # Scrapy settings for eastday project
  4 #
  5 # For simplicity, this file contains only settings considered important or
  6 # commonly used. You can find more settings consulting the documentation:
  7 #
  8 #     http://doc.scrapy.org/en/latest/topics/settings.html
  9 #     http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
 10 #     http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
 11 
 12 BOT_NAME = 'eastday'
 13 
 14 SPIDER_MODULES = ['eastday.spiders']
 15 NEWSPIDER_MODULE = 'eastday.spiders'
 16 
 17 DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
 18 SCHEDULER = "scrapy_redis.scheduler.Scheduler"
 19 REDIS_START_URLS_AS_SET=True   #shezhi strat_urls键是集合，默认是false是列表
 20 SCHEDULER_PERSIST = True
 21 
 22 DEPTH_PRIORITY=0
 23 RETRY_TIMES = 20
 24 
 25 IMAGES_STORE = 'd:/'
 26 IMAGES_EXPIRES = 90
 27 
 28 REDIS_HOST = 'localhost'
 29 REDIS_PORT = 6379
 30 # Crawl responsibly by identifying yourself (and your website) on the user-agent
 31 #USER_AGENT = 'eastday (+http://www.yourdomain.com)'
 32 
 33 # Obey robots.txt rules
 34 ROBOTSTXT_OBEY = False
 35 
 36 # Configure maximum concurrent requests performed by Scrapy (default: 16)
 37 CONCURRENT_REQUESTS = 10
 38 
 39 # Configure a delay for requests for the same website (default: 0)
 40 # See http://scrapy.readthedocs.org/en/latest/topics/settings.html#download-delay
 41 # See also autothrottle settings and docs
 42 DOWNLOAD_DELAY = 0
 43 # The download delay setting will honor only one of:
 44 #CONCURRENT_REQUESTS_PER_DOMAIN = 16
 45 #CONCURRENT_REQUESTS_PER_IP = 16
 46 
 47 # Disable cookies (enabled by default)
 48 #COOKIES_ENABLED = False
 49 
 50 # Disable Telnet Console (enabled by default)
 51 #TELNETCONSOLE_ENABLED = False
 52 
 53 # Override the default request headers:
 54 #DEFAULT_REQUEST_HEADERS = {
 55 #   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
 56 #   'Accept-Language': 'en',
 57 #}
 58 
 59 # Enable or disable spider middlewares
 60 # See http://scrapy.readthedocs.org/en/latest/topics/spider-middleware.html
 61 #SPIDER_MIDDLEWARES = {
 62 #    'eastday.middlewares.EastdaySpiderMiddleware': 543,
 63 #}
 64 
 65 # Enable or disable downloader middlewares
 66 # See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html
 67 
 68 DOWNLOADER_MIDDLEWARES = {
 69     "eastday.middlewares.UserAgentMiddleware": 401,
 70     #"eastday.middlewares.CookiesMiddleware": 402,
 71 }
 72 
 73 
 74 
 75 # Enable or disable extensions
 76 # See http://scrapy.readthedocs.org/en/latest/topics/extensions.html
 77 #EXTENSIONS = {
 78 #    'scrapy.extensions.telnet.TelnetConsole': None,
 79 #}
 80 
 81 # Configure item pipelines
 82 # See http://scrapy.readthedocs.org/en/latest/topics/item-pipeline.html
 83 ITEM_PIPELINES = {
 84     #'eastday.pipelines.EastdayPipeline': 300,
 85     'eastday.pipelines.MysqlDBPipeline':400,
 86    'eastday.pipelines.DownloadImagesPipeline':200,
 87     #'scrapy_redis.pipelines.RedisPipeline': 400,
 88 
 89 }
 90 
 91 # Enable and configure the AutoThrottle extension (disabled by default)
 92 # See http://doc.scrapy.org/en/latest/topics/autothrottle.html
 93 #AUTOTHROTTLE_ENABLED = True
 94 # The initial download delay
 95 #AUTOTHROTTLE_START_DELAY = 5
 96 # The maximum download delay to be set in case of high latencies
 97 #AUTOTHROTTLE_MAX_DELAY = 60
 98 # The average number of requests Scrapy should be sending in parallel to
 99 # each remote server
100 #AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
101 # Enable showing throttling stats for every response received:
102 #AUTOTHROTTLE_DEBUG = False
103 
104 # Enable and configure HTTP caching (disabled by default)
105 # See http://scrapy.readthedocs.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
106 #HTTPCACHE_ENABLED = True
107 #HTTPCACHE_EXPIRATION_SECS = 0
108 #HTTPCACHE_DIR = 'httpcache'
109 #HTTPCACHE_IGNORE_HTTP_CODES = []
110 #HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'

setting.py

这是items.py

 1 # -*- coding: utf-8 -*-
 2 
 3 # Define here the models for your scraped items
 4 #
 5 # See documentation in:
 6 # http://doc.scrapy.org/en/latest/topics/items.html
 7 
 8 import scrapy
 9 
10 
11 class EastdayItem(scrapy.Item):
12     # define the fields for your item here like:
13     # name = scrapy.Field()
14     title=scrapy.Field()
15     url=scrapy.Field()
16     tag=scrapy.Field()
17     article=scrapy.Field()
18     img_urls=scrapy.Field()
19     crawled_time=scrapy.Field()
20     pubdate=scrapy.Field()
21     origin=scrapy.Field()
22 
23 
24     brief = scrapy.Field()
25     miniimg = scrapy.Field()
26 
27 
28     pass
29 
30 '''
31 class GuoneiItem(scrapy.Item):
32     # define the fields for your item here like:
33     # name = scrapy.Field()
34     title=scrapy.Field()
35     url=scrapy.Field()
36     tag=scrapy.Field()
37     article=scrapy.Field()
38     img_urls=scrapy.Field()
39     crawled_time=scrapy.Field()
40 
41     brief=scrapy.Field()
42     miniimg=scrapy.Field()
43 
44 
45     pass
46 '''

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。