# -*- coding:utf-8 -*- # 僅需修改這個地方https://jn.lianjia.com/ershoufang/pg{}rs/ 將jn換成你所在城市的拼寫首字母小寫 import requests from lxml import etree import time import random import csv import requests import jsonclass LianjiaSpider(object):def __init__(self):self.url = "https://mobilenext-web.meituan.com/api/newSalesBoard/getSaleBoardDetail?cityId=96&boardType=8&districtId=0&cateId={}&offset=0&limit=50"self.headers = {"User-Agent": "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.1 (KHTML, like Gecko) Chrome/14.0.835.163 Safari/535.1"}def get_page(self, url):res = requests.get(url=url, headers=self.headers)res.encoding = "utf-8"html = res.text# print(html)# results_temp = html.replace('{"totalSize":50,"saleBoardDealList":', "").replace("}}]}", "")#results = results_temp + "}}]"# print(results)self.parse_page(html)#print(html)# print(i)def parse_page(self,html):results = html[35:-20]print(results)for list in json.loads(results):#print(list)id = list["id"]name = list["name"]weekSaleCount = list["weekSaleCount"]score = list["score"]avgPrice = list["avgPrice"]cateName = list["cateName"]areaName = list["areaName"]distance = list["distance"]rank = list["rank"]frontImg = list["frontImg"]oneSentence = list["oneSentence"]# SaleBoardPoiGroup = list["SaleBoardPoiGroup"]# saleBoardPoiCoupon = list["saleBoardPoiCoupon"]# saleBoardPoiPay = list["saleBoardPoiPay"]#banchList = list["banchList"]with open('meituan.csv', 'a', newline='', encoding='utf-8')as f:write = csv.writer(f)# write.writerow([id,name,weekSaleCount,score,avgPrice,cateName,areaName,distance,rank,frontImg,oneSentence,SaleBoardPoiGroup,saleBoardPoiCoupon,saleBoardPoiPay,banchList])write.writerow([id,name,weekSaleCount,score,avgPrice,cateName,areaName,distance,rank,frontImg,oneSentence])f.close()def main(self):for i in range(1, 8):time.sleep(random.randint(3, 5))url = self.url.format(i)# print(url)self.get_page(url)# print(j)if __name__ == '__main__':start = time.time()spider = LianjiaSpider()spider.main()end = time.time()print("執行時間：%.2f" % (end - start))

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