Python 简单爬虫案例

import requests
url = "https://www.sogou.com/web"
# 封装参数
wd = input(‘enter a word‘)
param = {
    ‘query‘:wd
}
response = requests.get(url=url,params=param)

page_text = response.content
fileName = wd+‘.html‘
with open(fileName,‘wb‘) as fp:
    fp.write(page_text)
    print(‘over‘)

import requests
url = "https://fanyi.baidu.com/sug"
wd = input(‘enter aword‘)
data = {
    ‘kw‘:wd
}
response = requests.post(url=url,data=data)
print(response.json())

import requests
url = "https://movie.douban.com/j/chart/top_list"
param = {
    "type": "5",
    "interval_id": "100:90",
    "action": "",
    "start": "40",
    "limit": "100",
}

movie_data = requests.get(url=url,params=param).json()
print(movie_data)

import requests
url = ‘http://www.kfc.com.cn/kfccda/ashx/GetStoreList.ashx‘
wd = input(‘enter aword：‘)
data = {
    "cname": ‘‘,
    "pid": ‘‘,
    "keyword":wd ,
    "pageIndex": "1",
    "pageSize": "10",
}
response = requests.post(url=url,data=data).json()
print(response)

http://125.35.6.84:81/xk/
import requests
url = ‘http://125.35.6.84:81/xk/itownet/portalAction.do?method=getXkzsList‘

headers = {
    ‘User-Agent‘:"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36"
}

id_list = []
for page in range(1,11):
    data = {
        "on": "true",
        "page": str(page),
        "pageSize": "15",
        "productName": ‘‘,
        "conditionType": "1",
        "applyname": ‘‘,
        "applysn": ‘‘,
    }
    json_data = requests.post(url=url,data=data,headers=headers).json()
    for dic in json_data["list"]:
        id = dic["ID"]
        id_list.append(id)

detail_url = "http://125.35.6.84:81/xk/itownet/portalAction.do?method=getXkzsById"
for id in id_list:
    detail_data = {
        "id":id
    }
    detail_json = requests.post(url=detail_url,data=detail_data,headers=headers).json()
    print(detail_json)

import os
import re
import urllib
import requests


url = ‘https://www.qiushibaike.com/pic/page/%d/?s=5170552‘
# page = 1
headers = {
    ‘User-Agent‘:‘Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.119 Safari/537.36‘
}
if not os.path.exists(‘./qiutu‘):
    os.mkdir(‘./qiutu‘)
    
start_page = int(input(‘enter a start pageNum:‘))
end_page = int(input(‘enter a end pageNum:‘))

for page in range(start_page,end_page+1):
    new_url = format(url%page)
#     print(new_url)
    page_text = requests.get(url=new_url,headers=headers).text
    img_url_list = re.findall(‘<div class="thumb">.*?<img src="(.*?)" alt=.*?</div>‘,page_text,re.S)
    for img_url in img_url_list:
        img_url = ‘https:‘+img_url
        imgName = img_url.split(‘/‘)[-1]
        imgPath = ‘qiutu/‘+imgName
        urllib.request.urlretrieve(url=img_url,filename=imgPath)
        print(imgPath,‘下载成功!‘)
        
print(‘over!!!‘)

import requests
url = "https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1564643415&di=423648f96f24460811fc7a39e23d29f8&imgtype=jpg&er=1&src=http%3A%2F%2Fimg1.replays.net%2Flol.replays.net%2Fuploads%2Fbody%2F2017%2F06%2F1496734520iBi.jpg"
headers = {
    ‘User-Agent‘:"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36"
}
img_data = requests.get(url=url,headers=headers).content
with open(‘./kapai.jpg‘,‘wb‘) as fp:
    fp.write(img_data)