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xpath案例 爬取58出租房源信息&解析下载图片数据&乱码问题

时间:2019-09-30 14:46:53      阅读:112      评论:0      收藏:0      [点我收藏+]

标签:text   名称   http   mobile   imp   jpg   use   amp   二手房   

58二手房解析房源名称

from lxml import etree
import requests
url = ‘https://haikou.58.com/chuzu/j2/‘
headers = {
‘User-Agent‘: ‘Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Mobile Safari/537.36‘
}
parser = etree.HTMLParser(encoding=‘utf-8‘)
page_text = requests.get(url=url).text
tree = etree.HTML(page_text,parser=parser)
lis = tree.xpath(‘//ul[@class="house-list"]/li‘)
for li_item in lis:
    res=li_item.xpath(‘.//h2/a/text()‘) #注意 ./  
    print(res[0].strip())

 


 

爬取彼岸图网图片

 

from lxml import etree
import requests
url = ‘http://pic.netbian.com/4kfengjing‘
headers = {
‘User-Agent‘: ‘Mozilla/5.0 (Linux; Android 6.0; Nexus 5 Build/MRA58N) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3865.90 Mobile Safari/537.36‘
}
parser = etree.HTMLParser(encoding=‘utf-8‘)
page_text = requests.get(url=url,headers=headers).text
tree = etree.HTML(page_text,parser=parser)
res = tree.xpath(‘//div[@class="slist"]//li/a/img/@src‘)
count=0
for url_item in res:
    full_url = "%s%s"%(‘http://pic.netbian.com/‘,url_item)
    res = requests.get(url=full_url).content
    with open(‘图片%s.jpg‘%count,‘wb‘)as f:
        f.write(res)
    count+=1

乱码问题:

  1.整体

    - response = requests.get(url=xxx,headers=xxx)

    -response.encoding = ‘utf-8‘

  2. 单独

      - xxx.encode(‘iso-8859-1‘).decode(‘gbk‘)    (通用处理中文乱码方案)

 

xpath案例 爬取58出租房源信息&解析下载图片数据&乱码问题

标签:text   名称   http   mobile   imp   jpg   use   amp   二手房   

原文地址:https://www.cnblogs.com/Jnhnsnow/p/11612292.html

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