爬虫源码---爬取小猫猫交易网站

前言：

本片文章主要对爬虫爬取网页数据来进行一个简单的解答，对与其中的数据来进行一个爬取。

一：环境配置

Python版本：3.7.3

IDE:PyCharm

所需库：requests ，parsel 

二：网站页面

我们需要获取以下数据：

'地区', '店名', '标题', '价格', '浏览次数', '卖家承诺', '在售只数',
'年龄', '品种', '预防', '联系人', '联系方式', '异地运费', '是否纯种',
'猫咪性别', '驱虫情况', '能否视频', '详情页'

三：具体代码实现 

# _*_ coding : utf-8 _*_
# @Time : 2023/9/3 23:03
# @Author : HYT
# @File : 猫
# @Project : 爬虫教程
import requests
import parsel
import csv
url ='http://www.maomijiaoyi.com/index.php?/list_0_78_0_0_0_0.html'
 
headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36'
    }
response = requests.get(url=url, headers=headers)
selector = parsel.Selector(response.text)
href = selector.css('div.content:nth-child(1) a::attr(href)').getall()
areas = selector.css('div.content:nth-child(1) a .area span.color_333::text').getall()
areas = [i.strip() for i in areas]
zip_data = zip(href, areas)
for index in zip_data:
        # http://www.maomijiaoyi.com/index.php?/chanpinxiangqing_546549.html
        index_url = 'http://www.maomijiaoyi.com' + index[0]
        response_1 = requests.get(url=index_url, headers=headers)
        selector_1 = parsel.Selector(response_1.text)
        area = index[1]  # 地区
        shop = selector_1.css('.dinming::text').get().strip()  # 店名
        title = selector_1.css('.detail_text .title::text').get().strip()  # 标题
        price = selector_1.css('span.red.size_24::text').get()  # 价格
        views = selector_1.css('.info1 span:nth-child(4)::text').get()  # 浏览次数
        promise = selector_1.css('.info1 div:nth-child(2) span::text').get().replace('卖家承诺: ', '')  # 卖家承诺
        sale = selector_1.css('.info2 div:nth-child(1) div.red::text').get()  # 在售
        age = selector_1.css('.info2 div:nth-child(2) div.red::text').get()  # 年龄
        breed = selector_1.css('.info2 div:nth-child(3) div.red::text').get()  # 品种
        safe = selector_1.css('.info2 div:nth-child(4) div.red::text').get()  # 预防
        people = selector_1.css('div.detail_text .user_info div:nth-child(1) .c333::text').get()  # 联系人
        phone = selector_1.css('div.detail_text .user_info div:nth-child(2) .c333::text').get()  # 联系方式
        fare = selector_1.css('div.detail_text .user_info div:nth-child(3) .c333::text').get().strip()  # 异地运费
        purebred = selector_1.css(
            '.xinxi_neirong div:nth-child(1) .item_neirong div:nth-child(1) .c333::text').get().strip()  # 是否纯种
        sex = selector_1.css(
            '.xinxi_neirong div:nth-child(1) .item_neirong div:nth-child(4) .c333::text').get().strip()  # 猫咪性别
        worming = selector_1.css(
            '.xinxi_neirong div:nth-child(2) .item_neirong div:nth-child(2) .c333::text').get().strip()  # 驱虫情况
        video = selector_1.css(
            '.xinxi_neirong div:nth-child(2) .item_neirong div:nth-child(4) .c333::text').get().strip()  # 能否视频
        dit = {
            '地区': area,
            '店名': shop,
            '标题': title,
            '价格': price,
            '浏览次数': views,
            '卖家承诺': promise,
            '在售只数': sale,
            '年龄': age,
            '品种': breed,
            '预防': safe,
            '联系人': people,
            '联系方式': phone,
            '异地运费': fare,
            '是否纯种': purebred,
            '猫咪性别': sex,
            '驱虫情况': worming,
            '能否视频': video,
            '详情页': index_url,
        }
        print(area, shop, title, price, views, promise, sale, age, breed,
              safe, people, phone, fare, purebred, sex, worming, video, index_url, sep=' | ')

四：结果展示