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云代码 - python代码库

爬虫

2019-05-22 作者： 云代码会员举报

[python]代码库

# encoding=utf-8
from utils import util, dbmysql
import re, time,datetime,requests
from lxml import etree


def rule(path,content):
    res=re.findall(path, content)
    if res!=[]:
        response=res[0]
    else:
        response=''
    return response

head = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36"}
def headers():
    timestamp=int(time.time())
    head_detail={
    "Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3",
    "User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.157 Safari/537.36"
    }
    return head_detail
def ssjzw():
    for page in range(1,100):
        try:
            res = util.get('https://www.ssjzw.com/jzzp/pn{}'.format(page))
            content = res['data'].decode('gb2312','ignore').replace('\n', '').replace('\r', '').replace('\t', '')
            url = re.findall('<li class="tys" style="float:left;width:360px;"><a href="(.*?)" target=', content)
            i=0
            for num in url:
                i+=1
                sql = "select * from ssjzw where url='%s'" % num
                rs = dbmysql.fetchall(sql)
                if len(rs) == 0:
                    try:
                        timestamp=int(time.time())
                        detail =util.get(num,headers=headers())
                        content_detail = detail['data'].decode('gb2312','ignore').replace('\n', '').replace('\r', '').replace('\t', '')

                        # 公司匹配
                        company_ture = re.findall('<ul>招聘单位：<a href=.*?target="_blank">(.*?)</a></ul>', content_detail)
                        if company_ture == []:
                            company_2= re.findall('<ul>招聘单位：(.*?)</ul>', content_detail)
                            if company_2 == []:
                                company=''
                            else:
                                company=company_2[0]
                        else:
                            company = company_ture[0]

                        area=rule('<ul>兼职地区：<a href=.*?>(.*?)兼职',content_detail)

                        phonenum=rule("innerHTML='(.*?)'",content_detail)
                        uploadTime=rule('<ul>更新时间：(.*?)</ul>',content_detail)

                        sql2 = "insert into ssjzw (url,company,area,phonenum,uploadTime,insertTime) value ('%s','%s','%s','%s','%s','%s')" % (num,company,area,phonenum,uploadTime,datetime.datetime.now())
                        rs=dbmysql.execute(sql2)
                        if rs==False:
                            print("上上兼职网第{}页第{}条insert失败".format(page,i))
                        print("正在insert上上兼职网第{}页第{}条{}".format(page,i,num))
                        time.sleep(2)
                    except Exception as e:
                        print(num)
                        print(e)
                        continue
                else:
                    print("上上兼职网第{}页第{}条已存在".format(page,i))
                    time.sleep(2)
                    continue
        except Exception as e:
            print(e)
            continue
ssjzw()

[代码运行效果截图]


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