DOWNLOADER_MIDDLEWARES = {
  'scrapy_splash.SplashCookiesMiddleware': 723,
  'scrapy_splash.SplashMiddleware': 725,
  'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware': 810,
}
SPIDER_MIDDLEWARES = {
  'scrapy_splash.SplashDeduplicateArgsMiddleware': 100,
}
# 去重过滤器
DUPEFILTER_CLASS = 'scrapy_splash.SplashAwareDupeFilter'
# Splash的HTTP缓存
HTTPCACHE_STORAGE = 'scrapy_splash.SplashAwareFSCacheStorage'
