智联招聘获取python岗位的数据

import requests
from lxml import html
import time
import pandas as pd
from sqlalchemy import create_engine
import traceback
from fake_useragent  import UserAgent as UA #使用其random方法获取随机ua
class ZhaoPinSpider:
     def __init__(self):
         #http://sou.zhaopin.com/jobs/searchresult.ashx?jl=%E5%8C%97%E4%BA%AC&kw=python&sm=0&sg=466cc5c88f044d419cef734bd8713830&p=90
         self.url=r"http://sou.zhaopin.com/jobs/searchresult.ashx?jl=%E5%8C%97%E4%BA%AC&kw=python&sm=0&sg=466cc5c88f044d419cef734bd8713830&p={}"
         self.headers = {'Accept': 'text/html, application/xhtml+xml, image/jxr, */*',
                    'Accept - Encoding': 'gzip, deflate',
                    'Accept-Language': 'zh-Hans-CN, zh-Hans; q=0.5',
                    'Connection': 'Keep-Alive',
                    'User-Agent': UA().random}
         #职位名称
         self.Position_Title=[]
         # url
         self.url_list = []
         #反馈率
         self.Feedback=[]
         #公司名称
         self.Company_Name=[]
         #职位月薪
         self.Monthly_Salary =[]
         #工作地点
         self.Working_Place =[]
         #发布日期
         self.Published_Date=[]

         self.Position_Title_Key = None
         self.Feedback_Key = None
         self.Company_Name_Key =  None
         self.Monthly_Salary_Key = None
         self.Working_Place_Key = None
         self.Published_Date_Key = None
         self.url_key="URL"
         self.content_dic={}
         self.allinfo_dic = {}
         #-------------------------------
         self.job_name_list = []
         self.corporate_name_list = []
         self.benefits_list = []
         self.monthly_salary_list = []
         self.job_place_list = []
         self.published_date_list = []
         self.job_nature_list = []
         self.job_experience_list = []
         self.qualifications_list = []
         self.need_worker_num_list = []
         self.job_type_list = []
         self.job_description_list = []
         self.company_introduction_list = []
         self.company_scale_list = []
         self.company_nature_list = []
         self.company_industry_list = []
         self.company_url_list = []
         self.company_address_list = []

     def start(self):
         try:
             for i in range(1,91):
                  req = requests.Session()
                  data = req.get(self.url.format(i), headers=self.headers).text
                  self.get_info(data,req)

         except Exception as e:
              print(e)
     def get_info(self,source,req):
          etree=html.fromstring(source)
          # # 职位名称
          # self.Position_Title = []
          # # 反馈率
          # self.Feedback = []
          # # 公司名称
          # self.Company_Name = []
          # # 职位月薪
          # self.Monthly_Salary = []
          # # 工作地点
          # self.Working_Place = []
          # # 发布日期
          # self.Published_Date = []
          TablesNodes=etree.xpath("//div[@class='newlist_list_content']//table")
          max=len(TablesNodes)
          if TablesNodes:
             index=0
             for TablesNode in TablesNodes:
                if index!=0:
                   Nodes=TablesNode.xpath(".//tr[1]/td")
                   TitleNodes=Nodes[0]
                   url_nodes=TitleNodes.xpath("./div/a[@par]/@href")[0]
                   # FeedbackNodes=Nodes[1]
                   # CompanyNodes =Nodes[2]
                   # SalaryNodes =Nodes[3]
                   # PlaceNodes =Nodes[4]
                   # DateNodes = Nodes[5]
                   # self.Position_Title.append(TitleNodes.text_content().strip())
                   # FeedbackStr=FeedbackNodes.text_content().strip()
                   # self.Feedback.append(FeedbackStr if FeedbackStr else "0%")
                   # self.Company_Name.append(CompanyNodes.text_content().strip())
                   # self.Monthly_Salary.append(SalaryNodes.text_content().strip())
                   # self.Working_Place.append( PlaceNodes.text_content().strip())
                   # self.Published_Date.append( DateNodes.text_content().strip())
                   if "xiaoyuan" not in url_nodes:
                       print(url_nodes)
                       self.get_next_page(url_nodes, req)
                       self.allinfo_dic.setdefault("job_name", self.job_name_list)
                       self.allinfo_dic.setdefault("corporate_name", self.corporate_name_list)
                       self.allinfo_dic.setdefault("benefits", self.benefits_list)
                       self.allinfo_dic.setdefault("monthly_salary", self.monthly_salary_list)
                       self.allinfo_dic.setdefault("job_place", self.job_place_list)
                       self.allinfo_dic.setdefault("published_date", self.published_date_list)
                       self.allinfo_dic.setdefault("job_nature", self.job_nature_list)
                       self.allinfo_dic.setdefault("job_experience", self.job_experience_list)
                       self.allinfo_dic.setdefault("qualifications", self.qualifications_list)
                       self.allinfo_dic.setdefault("need_worker_num", self.need_worker_num_list)
                       self.allinfo_dic.setdefault("job_type", self.job_type_list)
                       self.allinfo_dic.setdefault("job_description", self.job_description_list)
                       self.allinfo_dic.setdefault("company_introduction", self.company_introduction_list)
                       self.allinfo_dic.setdefault("company_scale", self.company_scale_list)
                       self.allinfo_dic.setdefault("company_nature", self.company_nature_list)
                       self.allinfo_dic.setdefault("company_industry", self.company_industry_list)
                       self.allinfo_dic.setdefault("company_url", self.company_url_list)
                       self.allinfo_dic.setdefault("company_address", self.company_address_list)
                       self.save_Data()
                       self.allinfo_dic.clear()
                       self.job_name_list.clear()
                       self.corporate_name_list.clear()
                       self.benefits_list.clear()
                       self.monthly_salary_list.clear()
                       self.job_place_list.clear()
                       self.published_date_list.clear()
                       self.job_nature_list.clear()
                       self.job_experience_list.clear()
                       self.qualifications_list.clear()
                       self.need_worker_num_list.clear()
                       self.job_type_list.clear()
                       self.job_description_list.clear()
                       self.company_introduction_list.clear()
                       self.company_scale_list.clear()
                       self.company_nature_list.clear()
                       self.company_industry_list.clear()
                       self.company_url_list.clear()
                       self.company_address_list.clear()
                else:
                    # Nodes = TablesNode.xpath(".//tr[1]/th")
                    # TitleNodes = Nodes[0]
                    # FeedbackNodes =Nodes[1]
                    # CompanyNodes =Nodes[2]
                    # SalaryNodes = Nodes[3]
                    # PlaceNodes =Nodes[4]
                    # DateNodes =Nodes[5]
                    # self.Position_Title_Key=TitleNodes.text_content().strip()
                    # self.Feedback_Key=FeedbackNodes.text_content().strip()
                    # self.Company_Name_Key=CompanyNodes.text_content().strip()
                    # self.Monthly_Salary_Key=SalaryNodes.text_content().strip()
                    # self.Working_Place_Key=PlaceNodes.text_content().strip()
                    # self.Published_Date_Key=DateNodes.text_content().strip()
                    index = index+1
     def save_Data(self):
        df=pd.DataFrame(self.allinfo_dic)
        df.to_csv("zhaopininfo.csv")
        df.to_csv("zhaopininfo.xlsx")
        pd.io.sql.to_sql(df,"all_results",schema="zhaopin",con=self.get_engine(),if_exists="append",index=False)
     def get_engine(self):
         conn=create_engine("mysql+pymysql://root:Aa1234@localhost:3306/zhaopin?charset=utf8mb4")
         return conn

     def get_next_page(self, nexturl,req):
         data=req.get(nexturl).text
         self.get_page_info(data)

     def get_page_info(self,htmlstr):
         try:
             root=html.fromstring(htmlstr)
             job_name=root.xpath("//div[@class='top-fixed-box' and not(@id)]//div[@class='inner-left fl']/h1/text()")[0]
             print(job_name)
             corporate_name=root.xpath("//div[@class='top-fixed-box' and not(@id)]//div[@class='inner-left fl']/h2/a/text()")[0]
             benefits=root.xpath("//div[@class='top-fixed-box' and not(@id)]//div[@class='inner-left fl']/div[@class='welfare-tab-box']")[0].text_content()
             #概要
             Nodes = root.xpath("//div[@class='terminalpage-left']//ul/li/strong")
             monthly_salary=Nodes[0].text_content().strip()
             job_place=Nodes[1].text_content().strip()
             published_date=Nodes[2].text_content().strip()
             job_nature=Nodes[3].text_content().strip()
             job_experience=Nodes[4].text_content().strip()
             qualifications=Nodes[5].text_content().strip()
             need_worker_num=Nodes[6].text_content().strip()
             job_type=Nodes[7].text_content().strip()

             job_description=root.xpath("//div[@class='tab-inner-cont']")[0].text_content().strip()
             company_introduction=root.xpath("//div[@class='tab-inner-cont']")[1].text_content().strip()

             #
             companyNodes = root.xpath("//ul[@class='terminal-ul clearfix terminal-company mt20']/li/strong")
             company_scale=companyNodes[0].text_content().strip()
             company_nature=companyNodes[1].text_content().strip()
             company_industry=companyNodes[2].text_content().strip()
             company_url=companyNodes[3].text_content().strip()
             company_address=None
             try:
                 company_address=companyNodes[4].text_content().strip()
             except:
                 company_address="地址未填写"
             self.job_name_list.append(job_name)
             self.corporate_name_list.append(corporate_name)
             self.benefits_list.append(benefits)
             self.monthly_salary_list.append(monthly_salary)
             self.job_place_list.append(job_place)
             self.published_date_list.append(published_date)
             self.job_nature_list.append(job_nature)
             self.job_experience_list.append(job_experience)
             self.qualifications_list.append(qualifications)
             self.need_worker_num_list.append(need_worker_num)
             self.job_type_list.append(job_type)
             self.job_description_list.append(job_description)
             self.company_introduction_list.append(company_introduction)
             self.company_scale_list.append(company_scale)
             self.company_nature_list.append(company_nature)
             self.company_industry_list.append(company_industry)
             self.company_url_list.append(company_url)
             self.company_address_list.append(company_address)
         except:
             print(traceback.print_exc())

if __name__=="__main__":
    ZhaoPinSpider().start()