diff --git a/scrapy_58tc_037/readme.md b/scrapy_58tc_037/readme.md new file mode 100644 index 0000000..afc0927 --- /dev/null +++ b/scrapy_58tc_037/readme.md @@ -0,0 +1,19 @@ +1.scrapy项目的结构 + 项目名字 + 项目名字 + spiders文件夹(存储的是爬虫文件) + init + 自定义的爬虫文件 核心功能文件************最重要的 + init + items 定义数据结构的地方 爬取的数据包含哪些 + middlewares 中间件 代理 + pipelines 管道 用来处理下载的数据 + settings 配置文件 robots协议 ua定义 + + +2.response的属性和方法 + response.text 获取响应的字符串 + response.body 获取二进制数据 + response.xpath 可以直接使用xpath方法来解析response中的内容 + response.extract() 提取selector对象的data属性值 + response.extract_first() 提取的是selector列表的第一个数据 \ No newline at end of file diff --git a/scrapy_58tc_037/scrapy.cfg b/scrapy_58tc_037/scrapy.cfg new file mode 100644 index 0000000..c5a9e00 --- /dev/null +++ b/scrapy_58tc_037/scrapy.cfg @@ -0,0 +1,11 @@ +# Automatically created by: scrapy startproject +# +# For more information about the [deploy] section see: +# https://scrapyd.readthedocs.io/en/latest/deploy.html + +[settings] +default = scrapy_58tc_037.settings + +[deploy] +#url = http://localhost:6800/ +project = scrapy_58tc_037 diff --git a/scrapy_58tc_037/scrapy_58tc_037/__init__.py b/scrapy_58tc_037/scrapy_58tc_037/__init__.py new file mode 100644 index 0000000..e69de29 diff --git a/scrapy_58tc_037/scrapy_58tc_037/__pycache__/__init__.cpython-39.pyc b/scrapy_58tc_037/scrapy_58tc_037/__pycache__/__init__.cpython-39.pyc new file mode 100644 index 0000000..9e916d5 Binary files /dev/null and b/scrapy_58tc_037/scrapy_58tc_037/__pycache__/__init__.cpython-39.pyc differ diff --git a/scrapy_58tc_037/scrapy_58tc_037/__pycache__/settings.cpython-39.pyc b/scrapy_58tc_037/scrapy_58tc_037/__pycache__/settings.cpython-39.pyc new file mode 100644 index 0000000..d2c1e95 Binary files /dev/null and b/scrapy_58tc_037/scrapy_58tc_037/__pycache__/settings.cpython-39.pyc differ diff --git a/scrapy_58tc_037/scrapy_58tc_037/items.py b/scrapy_58tc_037/scrapy_58tc_037/items.py new file mode 100644 index 0000000..e3aa7e3 --- /dev/null +++ b/scrapy_58tc_037/scrapy_58tc_037/items.py @@ -0,0 +1,12 @@ +# Define here the models for your scraped items +# +# See documentation in: +# https://docs.scrapy.org/en/latest/topics/items.html + +import scrapy + + +class Scrapy58Tc037Item(scrapy.Item): + # define the fields for your item here like: + # name = scrapy.Field() + pass diff --git a/scrapy_58tc_037/scrapy_58tc_037/middlewares.py b/scrapy_58tc_037/scrapy_58tc_037/middlewares.py new file mode 100644 index 0000000..3ba42e5 --- /dev/null +++ b/scrapy_58tc_037/scrapy_58tc_037/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 Scrapy58Tc037SpiderMiddleware: + # 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 Scrapy58Tc037DownloaderMiddleware: + # 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/scrapy_58tc_037/scrapy_58tc_037/pipelines.py b/scrapy_58tc_037/scrapy_58tc_037/pipelines.py new file mode 100644 index 0000000..e7aae86 --- /dev/null +++ b/scrapy_58tc_037/scrapy_58tc_037/pipelines.py @@ -0,0 +1,13 @@ +# 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 + + +class Scrapy58Tc037Pipeline: + def process_item(self, item, spider): + return item diff --git a/scrapy_58tc_037/scrapy_58tc_037/settings.py b/scrapy_58tc_037/scrapy_58tc_037/settings.py new file mode 100644 index 0000000..2d52b68 --- /dev/null +++ b/scrapy_58tc_037/scrapy_58tc_037/settings.py @@ -0,0 +1,88 @@ +# Scrapy settings for scrapy_58tc_037 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 = 'scrapy_58tc_037' + +SPIDER_MODULES = ['scrapy_58tc_037.spiders'] +NEWSPIDER_MODULE = 'scrapy_58tc_037.spiders' + + +# Crawl responsibly by identifying yourself (and your website) on the user-agent +#USER_AGENT = 'scrapy_58tc_037 (+http://www.yourdomain.com)' + +# Obey robots.txt rules +# ROBOTSTXT_OBEY = True + +# 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 = { +# 'scrapy_58tc_037.middlewares.Scrapy58Tc037SpiderMiddleware': 543, +# } + +# Enable or disable downloader middlewares +# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html +# DOWNLOADER_MIDDLEWARES = { +# 'scrapy_58tc_037.middlewares.Scrapy58Tc037DownloaderMiddleware': 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 = { +# 'scrapy_58tc_037.pipelines.Scrapy58Tc037Pipeline': 300, +# } + +# 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' diff --git a/scrapy_58tc_037/scrapy_58tc_037/spiders/__init__.py b/scrapy_58tc_037/scrapy_58tc_037/spiders/__init__.py new file mode 100644 index 0000000..ebd689a --- /dev/null +++ b/scrapy_58tc_037/scrapy_58tc_037/spiders/__init__.py @@ -0,0 +1,4 @@ +# This package will contain the spiders of your Scrapy project +# +# Please refer to the documentation for information on how to create and manage +# your spiders. diff --git a/scrapy_58tc_037/scrapy_58tc_037/spiders/__pycache__/__init__.cpython-39.pyc b/scrapy_58tc_037/scrapy_58tc_037/spiders/__pycache__/__init__.cpython-39.pyc new file mode 100644 index 0000000..c3b9c13 Binary files /dev/null and b/scrapy_58tc_037/scrapy_58tc_037/spiders/__pycache__/__init__.cpython-39.pyc differ diff --git a/scrapy_58tc_037/scrapy_58tc_037/spiders/__pycache__/tc.cpython-39.pyc b/scrapy_58tc_037/scrapy_58tc_037/spiders/__pycache__/tc.cpython-39.pyc new file mode 100644 index 0000000..620fa7d Binary files /dev/null and b/scrapy_58tc_037/scrapy_58tc_037/spiders/__pycache__/tc.cpython-39.pyc differ diff --git a/scrapy_58tc_037/scrapy_58tc_037/spiders/tc.py b/scrapy_58tc_037/scrapy_58tc_037/spiders/tc.py new file mode 100644 index 0000000..31906ec --- /dev/null +++ b/scrapy_58tc_037/scrapy_58tc_037/spiders/tc.py @@ -0,0 +1,23 @@ +import scrapy + + +class TcSpider(scrapy.Spider): + name = 'tc' + allowed_domains = [ + 'https://wn.58.com/job/?key=%E5%89%8D%E7%AB%AF%E5%BC%80%E5%8F%91'] + start_urls = [ + 'https://wn.58.com/job/?key=%E5%89%8D%E7%AB%AF%E5%BC%80%E5%8F%91/'] + + def parse(self, response): + # print('山东菏泽曹县') + # 获取字符串 + # content = response.text + # 获取二进制数据 + # content = response.body + + print('================') + # print(content) + + span = response.xpath('//div[@id="filterJob"]//li[@class="select"]')[0] + print(span.extract()) + # print(span)