diff --git a/zjjtPro/__init__.py b/zjjtPro/__init__.py new file mode 100644 index 0000000..06d7405 Binary files /dev/null and b/zjjtPro/__init__.py differ diff --git a/zjjtPro/items.py b/zjjtPro/items.py new file mode 100644 index 0000000..970b149 --- /dev/null +++ b/zjjtPro/items.py @@ -0,0 +1,16 @@ +# Define here the models for your scraped items +# +# See documentation in: +# https://docs.scrapy.org/en/latest/topics/items.html + +import scrapy + + +class ZjjtproItem(scrapy.Item): + index = scrapy.Field() + img_src = scrapy.Field() + title = scrapy.Field() + news_id = scrapy.Field() + content = scrapy.Field() + date = scrapy.Field() + author = scrapy.Field() diff --git a/zjjtPro/middlewares.py b/zjjtPro/middlewares.py new file mode 100644 index 0000000..2a50045 --- /dev/null +++ b/zjjtPro/middlewares.py @@ -0,0 +1,103 @@ +# Define here the models for your spider middleware +# +# See documentation in: +# https://docs.scrapy.org/en/latest/topics/spider-middleware.html + +from scrapy import signals + +# useful for handling different item types with a single interface +from itemadapter import is_item, ItemAdapter + + +class ZjjtproSpiderMiddleware: + # Not all methods need to be defined. If a method is not defined, + # scrapy acts as if the spider middleware does not modify the + # passed objects. + + @classmethod + def from_crawler(cls, crawler): + # This method is used by Scrapy to create your spiders. + s = cls() + crawler.signals.connect(s.spider_opened, signal=signals.spider_opened) + return s + + def process_spider_input(self, response, spider): + # Called for each response that goes through the spider + # middleware and into the spider. + + # Should return None or raise an exception. + return None + + def process_spider_output(self, response, result, spider): + # Called with the results returned from the Spider, after + # it has processed the response. + + # Must return an iterable of Request, or item objects. + for i in result: + yield i + + def process_spider_exception(self, response, exception, spider): + # Called when a spider or process_spider_input() method + # (from other spider middleware) raises an exception. + + # Should return either None or an iterable of Request or item objects. + pass + + def process_start_requests(self, start_requests, spider): + # Called with the start requests of the spider, and works + # similarly to the process_spider_output() method, except + # that it doesn’t have a response associated. + + # Must return only requests (not items). + for r in start_requests: + yield r + + def spider_opened(self, spider): + spider.logger.info('Spider opened: %s' % spider.name) + + +class ZjjtproDownloaderMiddleware: + # Not all methods need to be defined. If a method is not defined, + # scrapy acts as if the downloader middleware does not modify the + # passed objects. + + @classmethod + def from_crawler(cls, crawler): + # This method is used by Scrapy to create your spiders. + s = cls() + crawler.signals.connect(s.spider_opened, signal=signals.spider_opened) + return s + + def process_request(self, request, spider): + # Called for each request that goes through the downloader + # middleware. + + # Must either: + # - return None: continue processing this request + # - or return a Response object + # - or return a Request object + # - or raise IgnoreRequest: process_exception() methods of + # installed downloader middleware will be called + return None + + def process_response(self, request, response, spider): + # Called with the response returned from the downloader. + + # Must either; + # - return a Response object + # - return a Request object + # - or raise IgnoreRequest + return response + + def process_exception(self, request, exception, spider): + # Called when a download handler or a process_request() + # (from other downloader middleware) raises an exception. + + # Must either: + # - return None: continue processing this exception + # - return a Response object: stops process_exception() chain + # - return a Request object: stops process_exception() chain + pass + + def spider_opened(self, spider): + spider.logger.info('Spider opened: %s' % spider.name) diff --git a/zjjtPro/pipelines.py b/zjjtPro/pipelines.py new file mode 100644 index 0000000..7d66b3d --- /dev/null +++ b/zjjtPro/pipelines.py @@ -0,0 +1,70 @@ +# Define your item pipelines here +# +# Don't forget to add your pipeline to the ITEM_PIPELINES setting +# See: https://docs.scrapy.org/en/latest/topics/item-pipeline.html + + +# useful for handling different item types with a single interface +from itemadapter import ItemAdapter +import pymysql + + +class ZjjtproPipeline: + def process_item(self, item, spider): + return item + +# 数据库存储管道 +class mysqlPileLine(object): + conn = None # 链接对象 + cursor = None # 游标对象 + + def open_spider(self, spider): + # 实例化链接对象 + self.conn = pymysql.Connect(host='127.0.0.1', port=3306, user='root', password='root', db='zjjt', charset='utf8') + + def process_item(self, item, spider): + # 实例化游标对象 + self.cursor = self.conn.cursor() + index = item['index'] + try: + if index == 0: + self.cursor.execute('insert into lqxy values("%s", "%s", "%s", "%s", "%s")'%( + item['news_id'], item['title'], item['date'], item['content'], item['img_src'])) + self.conn.commit() + elif index == 1: + self.cursor.execute('insert into qcxy values("%s", "%s", "%s", "%s", "%s")'%( + item['news_id'], item['title'], item['date'], item['content'], item['img_src'])) + self.conn.commit() + elif index == 2: + self.cursor.execute('insert into hyxy values("%s", "%s", "%s", "%s", "%s")'%( + item['news_id'], item['title'], item['date'], item['content'], item['img_src'])) + self.conn.commit() + elif index == 3: + self.cursor.execute('insert into hkxy values("%s", "%s", "%s", "%s", "%s")'%( + item['news_id'], item['title'], item['date'], item['content'], item['img_src'])) + self.conn.commit() + elif index == 4: + self.cursor.execute('insert into gdxy values("%s", "%s", "%s", "%s", "%s")'%( + item['news_id'], item['title'], item['date'], item['content'], item['img_src'])) + self.conn.commit() + elif index == 5: + self.cursor.execute('insert into zhxy values("%s", "%s", "%s", "%s", "%s")'%( + item['news_id'], item['title'], item['date'], item['content'], item['img_src'])) + self.conn.commit() + elif index == 6: + self.cursor.execute('insert into ysxy values("%s", "%s", "%s", "%s", "%s")'%( + item['news_id'], item['title'], item['date'], item['content'], item['img_src'])) + self.conn.commit() + elif index == 7: + self.cursor.execute('insert into rwxy values("%s", "%s", "%s", "%s", "%s")'%( + item['news_id'], item['title'], item['date'], item['content'], item['img_src'])) + self.conn.commit() + except Exception as e: + print(e) + self.conn.rollback() + return item + + def close_spider(self, spider): + # self.cursor.close() + # self.conn.close() + pass \ No newline at end of file diff --git a/zjjtPro/settings.py b/zjjtPro/settings.py new file mode 100644 index 0000000..6a29e0f --- /dev/null +++ b/zjjtPro/settings.py @@ -0,0 +1,90 @@ +# Scrapy settings for zjjtPro project +# +# For simplicity, this file contains only settings considered important or +# commonly used. You can find more settings consulting the documentation: +# +# https://docs.scrapy.org/en/latest/topics/settings.html +# https://docs.scrapy.org/en/latest/topics/downloader-middleware.html +# https://docs.scrapy.org/en/latest/topics/spider-middleware.html + +BOT_NAME = 'zjjtPro' + +SPIDER_MODULES = ['zjjtPro.spiders'] +NEWSPIDER_MODULE = 'zjjtPro.spiders' + + +LOG_LEVEL = 'ERROR' +# Crawl responsibly by identifying yourself (and your website) on the user-agent +USER_AGENT = 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36 OPR/26.0.1656.60' + +# Obey robots.txt rules +ROBOTSTXT_OBEY = False + +# Configure maximum concurrent requests performed by Scrapy (default: 16) +#CONCURRENT_REQUESTS = 32 + +# Configure a delay for requests for the same website (default: 0) +# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay +# See also autothrottle settings and docs +#DOWNLOAD_DELAY = 3 +# 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 https://docs.scrapy.org/en/latest/topics/spider-middleware.html +#SPIDER_MIDDLEWARES = { +# 'zjjtPro.middlewares.ZjjtproSpiderMiddleware': 543, +#} + +# Enable or disable downloader middlewares +# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html +#DOWNLOADER_MIDDLEWARES = { +# 'zjjtPro.middlewares.ZjjtproDownloaderMiddleware': 543, +#} + +# Enable or disable extensions +# See https://docs.scrapy.org/en/latest/topics/extensions.html +#EXTENSIONS = { +# 'scrapy.extensions.telnet.TelnetConsole': None, +#} + +# Configure item pipelines +# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html +ITEM_PIPELINES = { + # 'zjjtPro.pipelines.ZjjtproPipeline': 300, + 'zjjtPro.pipelines.mysqlPileLine': 301, +} + +# Enable and configure the AutoThrottle extension (disabled by default) +# See https://docs.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 https://docs.scrapy.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'