python爬取企查查江苏企业信息生成excel表格

作者: XuJiaxin_ | 来源:发表于2018-10-25 20:30 被阅读129次

    1.前期准备

    具体请查看上一篇

    2.准备库requests,BeautifulSoup,xlwt,lxml

    1.BeautifulSoup:是专业的网页爬取库,方便抓取网页信息
    2.xlwt:生成excel表格  
    3.lxml:xml解析库
    

    3.具体思路

    企查查网站具有一定的反爬机制,直接爬取会受到网站阻拦,所以我们需要模拟浏览器请求,绕过反爬机制,打开企查查网站,获取cookie及一系列请求头文件,然后使用BeautifulSoup分析网页节点捕捉需要的信息

    4.源码

    # encoding: utf-8
    import requests
    from bs4 import BeautifulSoup
    import lxml
    import xlwt
    import re
    
    def craw():
        file = xlwt.Workbook()
        table = file.add_sheet('sheet1', cell_overwrite_ok=True)
        print('正在爬取,请稍等....')
        for n in range(1,500):
            print('第'+ str(n) + '页......')
            url = 'https://www.qichacha.com/g_JS_' + str(n) + '.html'
            user_agent = 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36'
            headers = {
                'Host': 'www.qichacha.com',
                'User-Agent': r'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36',
                'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8',
                'Accept-Language': 'zh-CN,zh;q=0.9',
                'Accept-Encoding': 'gzip, deflate, br',
                'Referer': 'http://www.qichacha.com/',
                'Cookie': r'zg_did=%7B%22did%22%3A%20%22166870cd07f60d-0c80294526eac7-36664c08-1fa400-166870cd0801af%22%7D; acw_tc=3af3b59815398640670163813ec3ddf30042b9b31607691a7b8d249c27; UM_distinctid=166870d292d85-016e1a972f471f-36664c08-1fa400-166870d292f349; _uab_collina=153986407973326937715323; QCCSESSID=g0gqbq7t1r8ksn94j8ii1qpbq1; CNZZDATA1254842228=364260894-1539860390-https%253A%252F%252Fwww.qichacha.com%252F%7C1540383468; Hm_lvt_3456bee468c83cc63fb5147f119f1075=1539864081,1540384169; zg_de1d1a35bfa24ce29bbf2c7eb17e6c4f=%7B%22sid%22%3A%201540384168992%2C%22updated%22%3A%201540384533698%2C%22info%22%3A%201539864055943%2C%22superProperty%22%3A%20%22%7B%7D%22%2C%22platform%22%3A%20%22%7B%7D%22%2C%22utm%22%3A%20%22%7B%7D%22%2C%22referrerDomain%22%3A%20%22%22%7D; Hm_lpvt_3456bee468c83cc63fb5147f119f1075=1540384534',
                'Connection': 'keep-alive',
                'If-Modified-Since': 'Wed, 24 Oct 2018 12:35:27 GMT',
                'If-None-Match': '"59*******"',
                'Cache-Control': 'private',
            }
    
            response = requests.get(url, headers=headers)
            if response.status_code != 200:
                response.encoding = 'utf-8'
                print(response.status_code)
                print('ERROR')
            # soup = BeautifulSoup(response.text, 'lxml')
            html_str = response.text
            soup = BeautifulSoup(html_str, 'html.parser')
            list = []
            # list = soup.findAll(class_='panel panel-default')
            list = soup.findAll(class_='panel panel-default')
            for i in range(len(list)):
                text = list[i]
                soup2 = BeautifulSoup(str(text), 'lxml')
                icon = soup2.find('img').attrs['src']
                table.write((n - 1) * 10 + i, 1, str(icon))
                name = soup2.find(class_='name').text
                table.write((n - 1) * 10 + i, 2, name)
                try:
                    content = soup2.findAll(class_='text-muted clear text-ellipsis m-t-xs')[0].text
                    address = soup2.findAll(class_='text-muted clear text-ellipsis m-t-xs')[1].text
                    table.write((n - 1) * 10 + i, 3, content)
                    table.write((n - 1) * 10 + i, 4, address)
                except:
                    print('第'+str(n)+'页第'+str(i)+'行错误')
    
    
        file.save('D:/qcc.xls')
    
    
    
    
    
    
    if __name__ == '__main__':
        craw()
    
    
    

    5.结果

    image.png

    ****6.申明

    本次代码仅供学习使用,不应用于任何商业用途,若被查处,概不负责。

    --完成

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