1.准备
网站:http://zhaopin.baidu.com

2.思路

1.由于是动态网页，使用json解析数据
2.
3.

3.难点/解决

  1.解析json数据
  2.cookie使用fildder抓包获取

4.代码

import requests
import json
import pymysql
import time
from bs4 import BeautifulSoup
import re


conn = pymysql.Connect(host='x',user='x',password='x',database='x',port=3306,charset='x')
cursor =conn.cursor()
sql = "CREATE TABLE IF NOT EXISTS %s(ID INT(10) NOT NULL PRIMARY KEY AUTO_INCREMENT," \
      "A VARCHAR(255)," \
      "B VARCHAR(255)," \
      "C VARCHAR(255))"
dbname=input('ABC输入数据库名:')
cursor.execute(sql%dbname)
print('创建数据库%s成功！'%dbname)

def get_url(post,page,city):
    url = 'http://zhaopin.baidu.com/api/quanzhiasync?query={}&sort_type=1&city={}&detailmode=close&rn=20&pn={}'.format(post,city,page)
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 UBrowser/6.2.3964.2 Safari/537.36'
        ,'Referer': 'http://zhaopin.baidu.com/quanzhi?tid=4139&ie=utf8&oe=utf8&query=python&city_sug=%E5%B9%BF%E5%B7%9E'
        , 'Host': 'zhaopin.baidu.com'
        ,'Cookie':'Hm_lvt_dc173081ad0848b7d3e412373bb02119=1493714008; PSTM=1500109449; BIDUPSID=EBA58E2B59F5D325007E6FA067243233; PRY=1; BAIDUID=57829DB7D914A3AB376B0A2A7415FD8C:FG=1; Hm_lvt_da3258e243c3132f66f0f3c247b48473=1509328256; Hm_lvt_24117ca0ed302abec8cd5b93e02d18cd=1509858595; BDUSS=ltQWtHcEYxcEt6eEVkdzBUemo0R1dPZHJxdE9LOE5EbXhYaHpQMWJTVEUta0ZhQVFBQUFBJCQAAAAAAAAAAAEAAABIwC9~eWFuZ2Z1bG9uZ2hvbWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMRtGlrEbRpaOF; MCITY=-%3A; BDRCVFR[VIIOqqdxwZ_]=mk3SLVN4HKm; PSINO=7; H_PS_PSSID=1460_21111_22075; URLTITLESALARY=%20; Hm_lvt_c676f95eebbd4fa8a59418f48090ac4d=1513303313,1514278789,1514336165,1515219239; Hm_lpvt_c676f95eebbd4fa8a59418f48090ac4d=1515219701'

    }
    #pn,0,20
    data = {
        'pn': '{}'.format(page)
        , 'rn':'20'
        , 'detailmode':'close'
        , 'city_sug':'{}'.format(city)
        , 'sort_type':'1'
        , 'query':'{}'.format(post)

    }


    try:
        response = requests.get(url,headers=headers,params=data).text
        json_dict = json.loads(response)
        json_data = json_dict['data']
        json_main = json_data['main']
        json_datas = json_main['data']

        i=0
        item = json_datas.get('disp_data')
        for items in item:
            ####A
            city = items.get('city')
            price = items.get('salary')
            title = items.get('title')
            buty = items.get('description_jd')
            terrace = items.get('source')
            times = items.get('lastmod')
            company_data = items.get('officialname'),':,岗位:{},城市:{},工资:{}\n,{}平台:{},{}\n'.format(title,city,price.split('-')[0],terrace,buty,times)
            #print(company_data)
            company=items.get('officialname')
            ###B
            phone1 = items.get('@cts')
            phone2 = items.get('@dts')
            email = items.get('email')
            companyb = items.get('officialname'),'电话:{},电话:{},EMail:{}'.format(phone1,phone2,email)

            i=i+1
            #变成str，好存入MySQL
            company_str1 = ''.join(tuple(company_data))
            company_str2_phone = ''.join(tuple(companyb))
            print(i)
            print(company_str1,company_str2_phone)

            #print(company,title)
            #print(i)
            ####数据库
            sql = "INSERT INTO %s(A,B)VALUES('%s','%s')"
            values = (dbname,company_str1,company_str2_phone)
            cursor.execute(sql%values)
            print('导入成功')
        conn.commit()
        time.sleep(0.1)
    except:
        print('response error!!!')
        return None

    else:
        pass

def main():
    urls = 'http://zhaopin.baidu.com/quanzhi?tid=4139&ie=utf8&oe=utf8&query=%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90&city_sug=%E5%B9%BF%E5%B7%9E'
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 UBrowser/6.2.3964.2 Safari/537.36'
        ,
        'Referer': 'http://zhaopin.baidu.com/quanzhi?tid=4139&ie=utf8&oe=utf8&query=python&city_sug=%E5%B9%BF%E5%B7%9E'
        , 'Host': 'zhaopin.baidu.com'
        ,
        'Cookie': 'Hm_lvt_dc173081ad0848b7d3e412373bb02119=1493714008; PSTM=1500109449; BIDUPSID=EBA58E2B59F5D325007E6FA067243233; PRY=1; BAIDUID=57829DB7D914A3AB376B0A2A7415FD8C:FG=1; Hm_lvt_da3258e243c3132f66f0f3c247b48473=1509328256; Hm_lvt_24117ca0ed302abec8cd5b93e02d18cd=1509858595; BDUSS=ltQWtHcEYxcEt6eEVkdzBUemo0R1dPZHJxdE9LOE5EbXhYaHpQMWJTVEUta0ZhQVFBQUFBJCQAAAAAAAAAAAEAAABIwC9~eWFuZ2Z1bG9uZ2hvbWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMRtGlrEbRpaOF; MCITY=-%3A; BDRCVFR[VIIOqqdxwZ_]=mk3SLVN4HKm; PSINO=7; H_PS_PSSID=1460_21111_22075; URLTITLESALARY=%20; Hm_lvt_c676f95eebbd4fa8a59418f48090ac4d=1513303313,1514278789,1514336165,1515219239; Hm_lpvt_c676f95eebbd4fa8a59418f48090ac4d=1515219701'

    }
    try:
        response = requests.get(urls, headers).text
        soup = BeautifulSoup(response, 'lxml')
        item = soup.find_all('div', attrs={'class': re.compile('all-jobs')})
        city = soup.find_all('div', attrs={'class': 'tabs-body'})
        for citys in city:
            cityss = citys.find_all('dd')
            for g in cityss:
                city_name = g.get_text()
                # city_name是城市名字
                # print(city_name)

                for items in item:
                    a = items.find_all('a')
                    for b in a:
                        profession = b.get_text()
                        # profession=职业

                        for page in range(0,200,20):
                            #page=页码
                            get_url(post=profession,city=city_name,page=page)
                            print('城市：%s,行业%s，页码%s'%(city_name,profession,page))
    except:
        print('main,error!!!')


if __name__ == '__main__':
    main()

    print('CLOSE DATABASE OK!!!')