def parse_job(self, response):
# 解析拉勾网的职位
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_css("title", ".job-name::attr(title)")
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
item_loader.add_css("salary", ".job_request .salary::text")
item_loader.add_xpath("job_city",
"//*[@class='job_request']/p/span[2]/text()")
item_loader.add_xpath("work_years",
"//*[@class='job_request']/p/span[3]/text()")
item_loader.add_xpath("degree_need",
"//*[@class='job_request']/p/span[4]/text()")
item_loader.add_xpath("job_type",
"//*[@class='job_request']/p/span[5]/text()")
item_loader.add_xpath("tags", '//li[@class="labels"]/text()')
item_loader.add_css("publish_time", ".publish_time::text")
item_loader.add_css("job_advantage", ".job-advantage p::text")
item_loader.add_css("job_desc", ".job_bt div")
item_loader.add_css("job_addr", ".work_addr")
item_loader.add_css("company_name", "#job_company dt a img::attr(alt)")
item_loader.add_css("company_url", "#job_company dt a::attr(href)")
item_loader.add_value("crawl_time", datetime.now())
job_item = item_loader.load_item()
return job_item
def parse_job(self, response):
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_value("post_url", response.url)
item_loader.add_css("title", "div .job-name::attr(title)")
item_loader.add_css("company", "div .company::text")
item_loader.add_css("min_salary", "span.salary::text")
item_loader.add_xpath("city",
"//*[@class='job_request']/p/span[2]/text()")
item_loader.add_xpath("min_work_years",
"//*[@class='job-request']/p/span[3]/text()")
item_loader.add_xpath("degree_req",
"//*[@class='job-request']/p/span[4]/text()")
item_loader.add_xpath("job_type",
"//*[@class='job-request']/p/span[5]/text()")
item_loader.add_css("tags", ".position-label li::text")
item_loader.add_css("publish_time", ".publish_time::text")
item_loader.add_css("advantage", ".job-advantage p::text")
item_loader.add_css("description",
".job_bt div") # hot about .job_bt p
item_loader.add_css("addr", ".work_addr")
job_item = item_loader.load_item()
return job_item
def parse_job(self, response):
"""
解析拉勾网的职位
:param response:
:return:
"""
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_css("title", ".job-name span::text")
item_loader.add_value("url", response.url)
item_loader.add_css("salary", ".salary::text")
item_loader.add_xpath("job_city",
"//*[@class='job_request']/p/span[2]/text()")
item_loader.add_xpath("work_years",
"//*[@class='job_request']/p/span[3]/text()")
item_loader.add_xpath("degree_need",
"//*[@class='job_request']/p/span[4]/text()")
item_loader.add_xpath("job_type",
"//*[@class='job_request']/p/span[5]/text()")
item_loader.add_css("publish_time", ".publish_time::text")
item_loader.add_css("job_advantage", ".job-advantage p::text")
item_loader.add_css("job_desc", ".job_bt div")
item_loader.add_css("job_addr", ".work_addr")
item_loader.add_css("company_url", "#job_company dt a::attr(href)")
item_loader.add_css("company_name", "#job_company dt a div h2::text")
job_item = item_loader.load_item()
return job_item
def parse_job(self, response):
#解析拉勾网的职位
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_css('title', '.job-name::attr(title)')
item_loader.add_value('url', response.url)
item_loader.add_value('url_object_id', get_md5(response.url))
item_loader.add_css('salary', '.salary::text')
item_loader.add_xpath('job_city',
'//*[@class="job_request"]/p/span[2]/text()')
item_loader.add_xpath('work_years',
'//*[@class="job_request"]/p/span[3]/text()')
item_loader.add_xpath('degree_need',
'//*[@class="job_request"]/p/span[4]/text()')
item_loader.add_xpath('job_type',
'//*[@class="job_request"]/p/span[5]/text()')
item_loader.add_css('tags', '.position-label li::text')
item_loader.add_css('publish_time', '.publish_time::text')
item_loader.add_css('job_advantage', '.job-advantage p::text')
item_loader.add_css('job_desc', '.job_bt div')
item_loader.add_css('job_addr', '.work_addr')
item_loader.add_css('company_name', '#job_company dt a img::attr(alt)')
item_loader.add_css('company_url', '#job_company dt a::attr(href)')
item_loader.add_value('crawl_time', datetime.datetime.now())
job_item = item_loader.load_item()
return job_item
def parse_job(self, response):
# 解析拉勾网的职位
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_css("title", ".job-name::attr(title)")
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
item_loader.add_css("salary", ".job_request .salary::text")
item_loader.add_xpath("job_city",
"//*[@class='job_request']/p/span[2]/text()")
item_loader.add_xpath("work_years",
"//*[@class='job_request']/p/span[3]/text()")
item_loader.add_xpath("degree_need",
"//*[@class='job_request']/p/span[4]/text()")
item_loader.add_xpath("job_type",
"//*[@class='job_request']/p/span[5]/text()")
item_loader.add_css("tags", ".position-label li::text")
item_loader.add_css("publish_time", ".publish_time::text")
item_loader.add_css("job_advantage", ".job-advantage p::text")
item_loader.add_css("job_desc", ".job_bt div")
item_loader.add_css("job_addr", ".work_addr")
item_loader.add_css("company_url", "#job_company dt a::attr(href)")
item_loader.add_css("company_name", "#job_company dt a img::attr(alt)")
item_loader.add_value("crawl_time", datetime.now())
job_item = item_loader.load_item()
# response_text = response.text
#i['domain_id'] = response.xpath('//input[@id="sid"]/@value').extract()
#i['name'] = response.xpath('//div[@id="name"]').extract()
#i['description'] = response.xpath('//div[@id="description"]').extract()
return job_item
def parse_job(self, response):
# 解析拉勾网的职位
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_css("title", "")
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
item_loader.add_css("salary", ".job_request .salary::text")
item_loader.add_xpath("job_city",
"//*[@class='job_request']/p/span[2]/text")
item_loader.add_css("work_years",
".job_request p span:nth-child(3)::text"
) # 这里使用css ，是为了在学习时，熟悉css选择器用法
item_loader.add_xpath("degree_need",
"//dd[@class='job_request']/p/span[4]/text()")
item_loader.add_xpath("job_type",
"//dd[@class='job_request']/p/span[5]/text()")
item_loader.add_css("publish_time", ".publish_time::text")
item_loader.add_css("tags", ".position-label.clearfix li::text")
item_loader.add_css("job_advantage", ".job-advantage p::text")
item_loader.add_css("job_desc", ".job_bt div")
item_loader.add_css("job_addr", ".work_addr")
item_loader.add_css("company_url", "#job_company dt a::attr(href)")
item_loader.add_css("company_name", "#job_company dt a img::attr(alt)")
item_loader.add_value("crawl_time", datetime.datetime.now())
# item_loader.add_css("crawl_update_time", datetime.datetime.now())
job_item = item_loader.load_item(
) # 这里先赋值给一个变量，是考虑到便于调试以及代码可读性，而不是为了代码简洁而直接return
return job_item
def parse_item(self, response):
# item = {}
#item['domain_id'] = response.xpath('//input[@id="sid"]/@value').get()
#item['name'] = response.xpath('//div[@id="name"]').get()
#item['description'] = response.xpath('//div[@id="description"]').get()
# return item
# if 'utrack/track' in response.url:
# # 本想解决302重定向问题，但此法无效
# num = re.match('.*2F(\d+).html.*', response.url)
# num = str(num.group(1))
# url = 'https://www.lagou.com/jobs/' + num + '.html'
# print(url)
# time.sleep(2)
# return scrapy.Request(url, dont_filter=True, headers=self.headers)
if response.status == 302:
self.redirect_url.append(response.url)
self.crawler.stats.inc_value("redirected_url")
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_css('title', 'span.name:nth-child(2)::text')
item_loader.add_value('url', response.url)
item_loader.add_value('url_object_id', get_md5(response.url))
item_loader.add_css('salary', '.job_request .salary::text')
item_loader.add_xpath('job_city',
'//*[@class="job_request"]/p/span[2]/text()')
item_loader.add_xpath('work_years',
'//*[@class="job_request"]/p/span[3]/text()')
item_loader.add_xpath('degree_need',
'//*[@class="job_request"]/p/span[4]/text()')
item_loader.add_xpath('job_type',
'//*[@class="job_request"]/p/span[5]/text()')
item_loader.add_css('tags', '.position-label li::text')
item_loader.add_css('publish_time', '.publish_time::text')
item_loader.add_css('job_advantage', '.job-advantage p::text')
item_loader.add_css('job_desc', '.job_bt div')
item_loader.add_css('job_addr', '.work_addr')
item_loader.add_css('company_name', '#job_company dt a img::attr(alt)')
item_loader.add_css('company_url', '#job_company dt a::attr(href)')
item_loader.add_value('crawl_time', datetime.datetime.now())
job_item = item_loader.load_item()
return job_item
def parse_item(self, response):
"""解析拉勾网的职位"""
# 实例化一个对象， LagouJobItem是拉勾的item
# LagouJobItemLoader是自定义的一个给lagou的item
# Lg = LagouJobItem()
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
# print(response.text)
item_loader.add_css("title", ".job-name::attr(title)")
item_loader.add_value("url", response.url)
item_loader.add_value("url_object_id", get_md5(response.url))
item_loader.add_css("salary", ".job_request .salary::text")
item_loader.add_xpath("job_city",
"//*[@class='job_request']//span[2]/text()")
item_loader.add_xpath("work_years",
"//*[@class='job_request']//span[3]/text()")
item_loader.add_xpath("degree_need",
"//*[@class='job_request']//span[4]/text()")
item_loader.add_xpath("job_type",
"//*[@class='job_request']//span[5]/text()")
item_loader.add_css("tags", '.position-label li::text')
item_loader.add_css("publish_time", ".publish_time::text")
item_loader.add_css("job_advantage", ".job-advantage p::text")
item_loader.add_css("job_desc", ".job_bt div")
item_loader.add_css(
"job_addr", ".work_addr"
) # 获取的字段里面包含了一段html，所以不能用::text,我们在itemloader里去除不必要的html
item_loader.add_css("company_name", "#job_company dt a img::attr(alt)")
item_loader.add_css("company_url", "#job_company dt a::attr(href)")
item_loader.add_value("crawl_time", datetime.now())
job_item = item_loader.load_item()
return job_item
def parse_job(self, response):
item_loader = LagouJobItemLoader(item=LagouJobItem(),
response=response)
item_loader.add_xpath("title", '//div/span[@class="name"]/text()')
item_loader.add_xpath("url", response.url)
item_loader.add_xpath("url_object_id", get_md5(response.url))
item_loader.add_xpath("salary", '//dd/p/span[@class="salary"]/text()')
item_loader.add_xpath("job_city", '//dd/p/span[2]/text()')
item_loader.add_xpath("work_years", '//dd/p/span[3]/text()')
item_loader.add_xpath("degree_need", '//dd/p/span[4]/text()')
item_loader.add_xpath("job_type", '//dd/p/span[5]/text()')
item_loader.add_xpath("tags",
'//dd[@class="job_request"]/ul/li/text()')
item_loader.add_xpath("publish_time",
'//dd/p[@class="publish_time"]/text()')
item_loader.add_xpath("job_advantage", '//dl/dd/p/text()')
item_loader.add_xpath("job_desc", '//dd/div/p/text()')
item_loader.add_xpath("job_addr", '//dd/div[@class="work_addr"]')
item_loader.add_xpath("company_url", '//dl/dt/a/@href')
item_loader.add_xpath("company_name", '//dl/dt/a/img/@alt')
item_loader.add_value("crawl_time", datetime.now())
job_item = item_loader.load_item()
return job_item
def parse_job(self, response):
# 返回不为200，删掉该ip
if delete_ip(response):
url = response.url
match_re = r'(https://www.lagou.com/jobs/?\d+.html).*$'
match = re.match(match_re, url)
#同理也是通过xpath进行相关数据的获取和利用正则、字符串一些方法来处理拿下来的数据
if match:
url = match.group(1)
# 判断数据库是否有该url
if check_table_url('lagou_job', url):
jobItemLoader = LagouJobItemLoader(item=LagouJob(),
response=response)
jobItemLoader.add_xpath(
'title', "//div[@class='job-name']//h1/text()")
jobItemLoader.add_value('url', url)
url_object_id = get_md5(url)
jobItemLoader.add_value('url_object_id', url_object_id)
job_request = response.xpath(
"//dd[@class='job_request']//span/text()").extract()
salary = job_request[0].strip()
jobItemLoader.add_value('max_salary',
get_max_min_salary(salary, True))
jobItemLoader.add_value('min_salary',
get_max_min_salary(salary, False))
job_city = get_city(job_request[1])
jobItemLoader.add_value('job_city', job_city)
work_years = job_request[2]
jobItemLoader.add_value('work_years', work_years)
degree_need = job_request[3]
jobItemLoader.add_value('degree_need', degree_need)
job_type = job_request[4]
jobItemLoader.add_value('job_type', job_type)
jobItemLoader.add_xpath(
'publish_time', "//p[@class='publish_time']/text()")
jobItemLoader.add_xpath(
'job_advantage',
"//dd[@class='job-advantage']//p/text()")
jobItemLoader.add_xpath(
'job_desc', "//div[@class='job-detail']//text()")
job_addr = ''.join(
response.xpath(
"//div[@class='work_addr']//text()").extract())
jobItemLoader.add_value('job_addr', clear_str(job_addr))
jobItemLoader.add_value(
"company_name",
response.xpath("//h3[@class='fl']/em/text()").extract(
)[0].strip())
jobItemLoader.add_xpath(
"company_url", "//dl[@class='job_company']//a/@href")
jobItemLoader.add_xpath(
"company_url_id",
"//dl[@class='job_company']//a/@href")
tags = response.xpath(
"//ul[@class='position-label clearfix']//li/text()"
).extract()
if len(tags) != 0:
tags = clear_str((',').join(tags))
else:
tags = ''
jobItemLoader.add_value('tags', tags)
jobItemLoader.add_value('crawl_time', get_now())
job_item = jobItemLoader.load_item()
return job_item
def parse_job(self, response):
item_load = LagouJobItemLoader(item=LagouJobItem(), response=response)
item_load.add_value("url", response.url)
item_load.add_value("url_object_id", get_md5(response.url))
item_load.add_css("title", "div.job-name::attr(title)")
item_load.add_css("salary", ".salary::text")
item_load.add_xpath("job_city",
"//*[@class='job_request']/p/span[2]/text()")
item_load.add_xpath("work_years",
"//*[@class='job_request']/p/span[3]/text()")
item_load.add_xpath("degree_need",
"//*[@class='job_request']/p/span[4]/text()")
item_load.add_xpath("job_type",
"//*[@class='job_request']/p/span[5]/text()")
item_load.add_css("pulish_time", ".publish_time::text")
item_load.add_xpath("tags",
"//*[@class='position-label clearfix']/li/text()")
item_load.add_xpath("job_advantage",
"//*[@class='job-advantage']/p/text()")
item_load.add_xpath("job_desc", "//*[@class='job_bt']/div")
item_load.add_xpath("job_addr", "//*[@class='work_addr']/a/text()")
item_load.add_xpath("company_url",
"//*[@class='c_feature']/li/a/@title")
item_load.add_css("company_name", ".job_company dt img::attr(alt)")
item_load.add_value("crawl_time", datetime.datetime.now())
item_load.add_value("crawl_update_time", datetime.datetime.now())
lagou_item = item_load.load_item()
#i['domain_id'] = response.xpath('//input[@id="sid"]/@value').extract()
#i['name'] = response.xpath('//div[@id="name"]').extract()
#i['description'] = response.xpath('//div[@id="description"]').extract()
return lagou_item