美团人气榜搞定,就差分类,还有个bug但不影响取数

本文介绍了一个针对美团外卖销售排行榜的爬虫程序实现,该程序能够抓取指定类别的销售数据,并将其保存到CSV文件中。通过解析JSON响应并使用Python标准库中的requests和json模块,实现了数据的高效获取。
# -*- coding:utf-8 -*-
# 仅需修改这个地方https://jn.lianjia.com/ershoufang/pg{}rs/   将jn换成你所在城市的拼写首字母小写
import requests
from lxml import etree
import time
import random
import csv
import requests
import json



class LianjiaSpider(object):
    def __init__(self):
        self.url = "https://mobilenext-web.meituan.com/api/newSalesBoard/getSaleBoardDetail?cityId=96&boardType=9&districtId=0&cateId={}&offset=0&limit=15&lat=36.526046191159445&lng=122.062217811"

        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

        results_temp = html.replace('{"totalSize":50,"saleBoardDealList":', "").replace("}}]}", "")
        results = results_temp + "}}]"
        with open('meituan.csv', 'a', newline='', encoding='utf-8')as f:
            write = csv.writer(f)
            for list in json.loads(results):
                print(list)
                id = list["id"]
                name = list["name"]
                weekSaleCount = list["weekSaleCount"]
                frontImg = list["frontImg"]
                dishes = list["dishes"]
                price = list["price"]
                value = list["value"]
                discount = list["discount"]
                recommendDish = list["recommendDish"]
                rank = list["rank"]
                saleBoardDealPoi = list["saleBoardDealPoi"]
                saleBoardDealPoi_name = list["saleBoardDealPoi"]["name"]

                write.writerow([id,name,weekSaleCount,frontImg,dishes,price,value,discount,recommendDish,rank,saleBoardDealPoi,saleBoardDealPoi_name])

            # write.writerow([house_dict["name"],house_dict["totalprice"],house_dict["uniteprice"],house_dict["info"]])
            #print(list["id"], list["name"], list["weekSaleCount"], list["frontImg"], list["dishes"], list["price"],list["value"], list["discount"], list["recommendDish"], list["rank"], list["saleBoardDealPoi"],list["saleBoardDealPoi"]["name"])
  #)
          #  write.writerow(
            #    [list["id"], list["name"], list["weekSaleCount"], list["frontImg"], list["dishes"], list["price"],list["value"], list["discount"], list["recommendDish"], list["rank"], list["saleBoardDealPoi"],list["saleBoardDealPoi"]["name"]])
        f.close()





    def main(self):
        for i in range(1, 14):
            time.sleep(random.randint(3, 5))
            url = self.url.format(i)
            self.get_page(url)



if __name__ == '__main__':
    start = time.time()
    spider = LianjiaSpider()
    spider.main()
    end = time.time()
    print("执行时间:%.2f" % (end - start))







评论
成就一亿技术人!
拼手气红包6.0元
还能输入1000个字符
 
红包 添加红包
表情包 插入表情
 条评论被折叠 查看
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值