爬取广州链家二手房并写入csv_爬取的广州二手房价数据怎么存储

知识点：多线程，读取csv,xpath

import json
import csv
import requests
import threading
import lxml
import lxml.etree
 
#递归锁
rLock=threading.RLock()
 
headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:43.0) Gecko/20100101 Firefox/43.0'}
 
#获取区域
def getAreaList(url):
    html=requests.get(url,headers=headers).text
    mytree=lxml.etree.HTML(html)
    areList=mytree.xpath('//div[@data-role="ershoufang"]//a')
    areaDict={}
    for area in areList:
        # 区域名
        areaName=area.xpath('./text()')[0]
        #url
        areaUrl = 'https://gz.lianjia.com'+area.xpath('./@href')[0]
        #print(areaName,areaUrl)
        areaDict[areaName]=areaUrl
        print(areaName,areaUrl)
    return areaDict
 
 
#获取区域页数
def getAreaPage(areaUrl,areaName):
    html = requests.get(are