网络爬虫笔记（Day8）——IP代理

可以去某宝或其他渠道购买，具体使用看自己购买商家的API文档，查看使用方法。

ip_proxy.py

import requests


class ip_getter(object):
    def __init__(self):
        self.ip_proxy_str = get_ip_string()

    def update_ip_proxy_str(self):
        self.ip_proxy_str = get_ip_string()
        print('get one ip : ' + self.ip_proxy_str)


def get_ip_string():
    url = 'API接口'
    response = requests.get(url)

    return response.text

boos_bs4.py ( boos直聘实例)

from bs4 import BeautifulSoup
import requests
import ip_proxy
from urllib import parse

headers = {
    'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36',
}


def get_boss_info(my_ip, detailed_url):
    # url = 'https://www.zhipin.com/job_detail/7e883f0c3a336cb51n142968FFM~.html?ka=search_list_1'

    proxy = {
        'http': 'http://' + my_ip.ip_proxy_str,
        'https': 'http://' + my_ip.ip_proxy_str
    }
    response = requests.get(detailed_url, headers=headers, proxies=proxy, timeout=5)

    soup = BeautifulSoup(response.text, 'lxml')
    title = soup.find('h1').text
    # div_ele = soup.find('div', class_="name")
    # print(div_ele)
    salary = soup.find('span', class_="badge").text.replace('\n', '').strip()
    print(title)
    print(salary)
    gezhong_info = soup.select('div.info-primary > p')[0].text.replace('\n', '').strip()
    print(gezhong_info)
    gangwei_info = soup.select('div.text')[0].text
    print(gangwei_info)


# 获取详情页的url
def get_detail_url(my_ip, url):
    # url = 'https://www.zhipin.com/c101010100/h_101010100/?query=python&page=2&ka=page-2'
    proxy = {
        'http': 'http://' + my_ip.ip_proxy_str,
        'https': 'http://' + my_ip.ip_proxy_str
    }
    response = requests.get(url, headers = headers, proxies=proxy, timeout=5)

    soup = BeautifulSoup(response.text, 'lxml')
    # a_ele_list = soup.select('h3.name > a')
    a_ele_list = soup.select('div.job-list > ul > li div.info-primary > h3 > a')

    for a_ele in a_ele_list:
        # 属性值的获取可以通过类似字典的方式获取
        a_href = a_ele['href']
        # 拼接详情页的链接
        href = parse.urljoin(url, a_href)
        print('详情页的href: ' + href)
        # 重试三次, 获取代理访问boss直聘, 三次没有成功访问就跳过
        for i in range(0, 3):
            try:
                # 获取详情页的信息
                get_boss_info(my_ip, href)
                break
            except Exception as e:
                print(e)
                my_ip.update_ip_proxy_str()


def get_all_info(my_ip):
    base_url = 'https://www.zhipin.com/c101010100/h_101010100/?query=python&page=%s&ka=page-%s'
    for i in range(1, 4):
        # 每一个分页的url
        url = base_url % (i, i)
        # 循环处理, 如果proxy不好使, 就需要换代理, 如果重试4次依然不好使,就跳过
        for i in range(0, 4):
            try:
                # 循环四次访问boss直聘的网站, 分页的内容
                # get_detail_url(my_ip, url)
                get_detail_url(my_ip, url)
                break
            except Exception as e:
                print(e)
                my_ip.update_ip_proxy_str()


if __name__ == '__main__':
    my_ip = ip_proxy.ip_getter()
    # 获取一个ip
    # proxy_str = '36.27.143.72:21450'
    # print(proxy_str)
    # 获取所有的boss直聘信息
    get_all_info(my_ip)

# with open('boss.html', 'wb') as f:
#     f.write(response.content)

网络爬虫笔记（Day8）——IP代理

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