上海链家网二手房成交数据爬取

#  本文以浦东新区为例--其他区自行举一反三

import requests
import pandas as pd
import pprint
import csv
import pandas as pd
from bs4 import BeautifulSoup
url=‘https://sh.lianjia.com/chengjiao/{areo}/pg{page}/‘
data=[]
#定义区列表
arealist=[‘beicai‘,‘biyun‘,‘caolu‘,‘chuansha‘,‘datuanzhen‘,‘geqing‘,‘gaohang‘,‘gaodong‘,‘huamu‘,
         ‘hangtou‘,‘huinan‘,‘jinqiao‘,‘jinyang‘,‘kangqiao‘,‘lujiazui‘,‘laogangzhen‘,‘lingangxincheng‘,
         ‘lianyang‘,‘nichengzhen‘,‘nanmatou‘,‘sanlin‘,‘shibo‘,‘shuyuanzhen‘,‘tangqiao‘,‘tangzhen‘,‘waigaoqiao‘,
         ‘wanxiangzhen‘,‘weifang‘,‘xuanqiao‘,‘xinchang‘,‘yuqiao1‘,‘yangdong‘,‘yuanshen‘,‘yangjing‘,
          ‘zhangjiang‘,‘zhuqiao‘,‘zhoupu‘]
for j in range (1,101):
    for a in arealist:
        houseurl=url.format(areo=a,page=j)
        res=requests.get(houseurl)
        res.encoding=‘utf-8‘
        soup=BeautifulSoup(res.text,‘html.parser‘)
        content=soup.select(‘.info‘)
    #     print(content)
    #     print (type(content))
        for element in content:
            datum={}
            try:
                title=element.select(‘.title‘)[0].text
            except:
                title=‘‘
            try:
                houseinfo=element.select(‘.houseInfo‘)[0].text
            except:
                houseinfo=‘‘
            try:
                dealDate=element.select(‘.dealDate‘)[0].text
            except:
                houseinfo=‘‘
            try:
                positionInfo=element.select(‘.positionInfo‘)[0].text
            except:
                positionInfo=‘‘
            try:
                unitPrice=element.select(‘.unitPrice‘)[0].text
            except:
                unitPrice=‘‘
            try:
                showprice=element.select(‘.dealCycleTxt‘)[0].text
            except:
                showprice=‘‘
            try:
                totalPrice=element.select(‘.totalPrice‘)[0].text
            except:
                totalPrice=‘‘
            try:
                metroline=element.select(‘.dealHouseTxt‘)[0].text
            except:
                metroline=‘‘
            datum[‘title‘]=title
            datum[‘metroline‘]=metroline
            datum[‘houseinfo‘]=houseinfo
            datum[‘dealDate‘]=dealDate
            datum[‘positionInfo‘]=positionInfo
            datum[‘unitPrice‘]=unitPrice
            datum[‘showprice‘]=showprice
            datum[‘totalPrice‘]=totalPrice
            datum[‘page‘]=j
            datum[‘area‘]=‘pudong‘   #属于哪个区放进去
            datum[‘mingxi‘]=a        #区下面的具体街道
            data.append(datum)
#             pprint.pprint(datum)

# 保存成csv文件
df=pd.DataFrame(data)
# print(data)
df.head()
df.to_csv(‘C/Sandra/pudong.csv‘)