requests爬取小猪租房--记录

最新推荐文章于 2020-05-22 17:54:32 发布

vanranger

最新推荐文章于 2020-05-22 17:54:32 发布

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分类专栏： python爬虫文章标签： python爬虫

本文链接：https://blog.youkuaiyun.com/vanranger/article/details/78950802

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本文记录了使用Python的requests库爬取小猪租房网站数据的过程，包括发送HTTP请求、解析HTML以及遇到的反爬策略和解决办法。

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#!/usr/bin/env python
#-*- coding:utf-8 -*-

import requests,time
from bs4 import BeautifulSoup

headers = {
    "User-Agent":'Mozilla/5.0 (X11; U; Linux x86_64; zh-CN; rv:1.9.2.10) Gecko/20100922 Ubuntu/10.10 (maverick) Firefox/3.6.10'
}

class zfBase(object):
    '''基础设置'''
    def __init__(self,url=None):
        self.url = url
        self.run()

    def __url(self):
        global headers
        if self.url:
            html = requests.get(self.url,headers=headers)
            soup = BeautifulSoup(html.text,'lxml')
            return soup
        else:
            return '网址有误.'
    def run(self):
        return self.__url()

def getTagUrl(html):
    '''判断有多少待采集页面'''
    pageNums = html.select('#page_list > div.pagination_v2.pb0_vou > a')[-2].string
    return int(pageNums)

def zfSpider(listUrl):
    '''爬取详情页内容'''
    if isinstance(listUrl,list):
        for url in listUrl:
            html = zfBase(url).run()
            time.sleep(2)
            titles = html.select('div.pho_info > h4 > em')[0].string
            address = html.select('div.pho_info > p')[0]['title']
            money = html.select('div.day_l > span')[0].string
            onepic = html.select('img#curBigImage')[0]['src']
            peoplepic = html.select('div.member_pic > a > img')[0]['src']
            sex = html.select('div.member_pic > div')[0]['class']
            if 'member_ico' in sex:
                sex = '男'
            else:
                sex = '女'
            with open('xiaozhu.txt','a') as fp:
                fp.write(titles + '\t' + address + '\t' + money + '\t'
                         + sex  +'\t' + onepic + '\t' + peoplepic + '\n')
    else:
        print('URL错误')

def run(url):
    '''整体运行'''
    z = zfBase(url % 1)
    for num in range(1,getTagUrl(z.run()) + 1):
        z = zfBase(url % num).run()
        pageUrls = [pageUrl['href'] for pageUrl in z.select('a.resule_img_a')]
        time.sleep(2)
        zfSpider(pageUrls)

if __name__ == '__main__':
    run('http://bj.xiaozhu.com/search-duanzufang-p%s-0/?startDate=2018-01-01&endDate=2018-01-02')