原文鏈接:https://www.cnblogs.com/lanyinhao/p/9634742.html
1、模塊說明
requests是使用Apache2 licensed 許可證的HTTP庫。
用python編寫。
比urllib2模塊更簡潔。
Request支持HTTP連接保持和連接池,支持使用cookie保持會話,支持文件上傳,支持自動響應內容的編碼,支持國際化的URL和POST數據自動編碼。
在python內置模塊的基礎上進行了高度的封裝,從而使得python進行網絡請求時,變得人性化,使用Requests可以輕而易舉的完成瀏覽器可有的任何操作。
現代,國際化,友好。
requests會自動實現持久連接keep-alive
2、基礎入門
1)導入模塊
import requests
2)發送請求的簡潔
示例代碼:獲取一個網頁(個人github)
import requests r = requests.get('https://github.com/Ranxf') # 最基本的不帶參數的get請求 r1 = requests.get(url='http://dict.baidu.com/s', params={'wd': '小馬'}) # 帶參數的get請求
不帶參數:
帶參數:
我們就可以使用該方式使用以下各種方法
1 requests.get(‘https://github.com/timeline.json’) # GET請求 2 requests.post(“http://httpbin.org/post”) # POST請求 3 requests.put(“http://httpbin.org/put”) # PUT請求 4 requests.delete(“http://httpbin.org/delete”) # DELETE請求 5 requests.head(“http://httpbin.org/get”) # HEAD請求 6 requests.options(“http://httpbin.org/get” ) # OPTIONS請求
3)為url傳遞參數,#獲取請求的url(包含參數)
>>> url_params = {'key':'value'} # 字典傳遞參數,如果值為None的鍵不會被添加到url中 >>> r = requests.get('your url',params = url_params) >>> print(r.url) your url?key=value
4)響應的內容
r.encoding #獲取當前的編碼 r.encoding = 'utf-8' #設置編碼 r.text #以encoding解析返回內容。字符串方式的響應體,會自動根據響應頭部的字符編碼進行解碼。 r.content #以字節形式(二進制)返回。字節方式的響應體,會自動為你解碼 gzip 和 deflate 壓縮。 r.headers #以字典對象存儲服務器響應頭,但是這個字典比較特殊,字典鍵不區分大小寫,若鍵不存在則返回None r.status_code #響應狀態碼 r.raw #返回原始響應體,也就是 urllib 的 response 對象,使用 r.raw.read() r.ok # 查看r.ok的布爾值便可以知道是否登陸成功 #*特殊方法*# r.json() #Requests中內置的JSON解碼器,以json形式返回,前提返回的內容確保是json格式的,不然解析出錯會拋異常 r.raise_for_status() #失敗請求(非200響應)拋出異常
r.txt
r.content
r.header
r.status_code
r.raw
這是要請求的接口結果,視圖函數,以及requests模塊請求結果:
假如返回的不是json格式:
r.raise_for_status()
前端中文要正常顯示,這里要加參數
post發送json請求:
1 import requests 2 import json 3 4 r = requests.post('https://api.github.com/some/endpoint', data=json.dumps({'some': 'data'})) 5 print(r.json())
視圖函數:
get請求:
post請求:
加參數的post請求
5)定制頭和cookie信息
header = {'user-agent': 'my-app/0.0.1''} cookie = {'key':'value'} r = requests.get/post('your url',headers=header,cookies=cookie)
data = {'some': 'data'} headers = {'content-type': 'application/json', 'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:22.0) Gecko/20100101 Firefox/22.0'} r = requests.post('https://api.github.com/some/endpoint', data=data, headers=headers) print(r.text)
添加請求頭信息之后:
修改請求內容類型為json,用戶使用火狐瀏覽器訪問
cookie放在cookies里沒成功,把鍵值對放到請求頭成功了。回頭研究一下,再
6)響應狀態碼
使用requests方法后,會返回一個response對象,其存儲了服務器響應的內容,如上實例中已經提到的 r.text、r.status_code……
獲取文本方式的響應體實例:當你訪問 r.text 之時,會使用其響應的文本編碼進行解碼,並且你可以修改其編碼讓 r.text 使用自定義的編碼進行解碼。
1 r = requests.get('http://www.itwhy.org') 2 print(r.text, '\n{}\n'.format('*'*79), r.encoding) 3 r.encoding = 'GBK' 4 print(r.text, '\n{}\n'.format('*'*79), r.encoding)
示例代碼:
1 import requests 2 3 r = requests.get('https://github.com/Ranxf') # 最基本的不帶參數的get請求 4 print(r.status_code) # 獲取返回狀態 5 r1 = requests.get(url='http://dict.baidu.com/s', params={'wd': 'python'}) # 帶參數的get請求 6 print(r1.url) 7 print(r1.text) # 打印解碼后的返回數據
運行結果:
/usr/bin/python3.5 /home/rxf/python3_1000/1000/python3_server/python3_requests/demo1.py 200 http://dict.baidu.com/s?wd=python ………… Process finished with exit code 0
r.status_code #如果不是200,可以使用 r.raise_for_status() 拋出異常
7)響應
r.headers #返回字典類型,頭信息 r.requests.headers #返回發送到服務器的頭信息 #這個不清楚是個啥呢 r.cookies #返回cookie r.history #返回重定向信息,當然可以在請求是加上allow_redirects = false 阻止重定向
8)超時
r = requests.get('url',timeout=1) #設置秒數超時,僅對於連接有效
這邊設置超時時間1秒,但是響應時間是2秒,所以超時了,報錯讀取超時
9)會話對象,能夠跨請求保持某些參數
s = requests.Session() s.auth = ('auth','passwd') s.headers = {'key':'value'} r = s.get('url') r1 = s.get('url1')
10)代理
proxies = {'http':'ip1','https':'ip2' } requests.get('url',proxies=proxies)
匯總:
# HTTP請求類型 # get類型 r = requests.get('https://github.com/timeline.json') # post類型 r = requests.post("http://m.ctrip.com/post") # put類型 r = requests.put("http://m.ctrip.com/put") # delete類型 r = requests.delete("http://m.ctrip.com/delete") # head類型 r = requests.head("http://m.ctrip.com/head") # options類型 r = requests.options("http://m.ctrip.com/get") # 獲取響應內容 print(r.content) #以字節的方式去顯示,中文顯示為字符 print(r.text) #以文本的方式去顯示 #URL傳遞參數 payload = {'keyword': '香港', 'salecityid': '2'} r = requests.get("http://m.ctrip.com/webapp/tourvisa/visa_list", params=payload) print(r.url) #示例為http://m.ctrip.com/webapp/tourvisa/visa_list?salecityid=2&keyword=香港 #獲取/修改網頁編碼 r = requests.get('https://github.com/timeline.json') print (r.encoding) #json處理 r = requests.get('https://github.com/timeline.json') print(r.json()) # 需要先import json # 定制請求頭 url = 'http://m.ctrip.com' headers = {'User-Agent' : 'Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 4 Build/JOP40D) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19'} r = requests.post(url, headers=headers) print (r.request.headers) #復雜post請求 url = 'http://m.ctrip.com' payload = {'some': 'data'} r = requests.post(url, data=json.dumps(payload)) #如果傳遞的payload是string而不是dict,需要先調用dumps方法格式化一下 # post多部分編碼文件 url = 'http://m.ctrip.com' files = {'file': open('report.xls', 'rb')} r = requests.post(url, files=files) # 響應狀態碼 r = requests.get('http://m.ctrip.com') print(r.status_code) # 響應頭 r = requests.get('http://m.ctrip.com') print (r.headers) print (r.headers['Content-Type']) print (r.headers.get('content-type')) #訪問響應頭部分內容的兩種方式 # Cookies url = 'http://example.com/some/cookie/setting/url' r = requests.get(url) r.cookies['example_cookie_name'] #讀取cookies url = 'http://m.ctrip.com/cookies' cookies = dict(cookies_are='working') r = requests.get(url, cookies=cookies) #發送cookies #設置超時時間 r = requests.get('http://m.ctrip.com', timeout=0.001) #設置訪問代理 proxies = { "http": "http://10.10.1.10:3128", "https": "http://10.10.1.100:4444", } r = requests.get('http://m.ctrip.com', proxies=proxies) #如果代理需要用戶名和密碼,則需要這樣: proxies = { "http": "http://user:pass@10.10.1.10:3128/", }
# HTTP請求類型 # get類型 r = requests.get('https://github.com/timeline.json') # post類型 r = requests.post("http://m.ctrip.com/post") # put類型 r = requests.put("http://m.ctrip.com/put") # delete類型 r = requests.delete("http://m.ctrip.com/delete") # head類型 r = requests.head("http://m.ctrip.com/head") # options類型 r = requests.options("http://m.ctrip.com/get") # 獲取響應內容 print(r.content) #以字節的方式去顯示,中文顯示為字符 print(r.text) #以文本的方式去顯示 #URL傳遞參數 payload = {'keyword': '香港', 'salecityid': '2'} r = requests.get("http://m.ctrip.com/webapp/tourvisa/visa_list", params=payload) print(r.url) #示例為http://m.ctrip.com/webapp/tourvisa/visa_list?salecityid=2&keyword=香港 #獲取/修改網頁編碼 r = requests.get('https://github.com/timeline.json') print (r.encoding) #json處理 r = requests.get('https://github.com/timeline.json') print(r.json()) # 需要先import json # 定制請求頭 url = 'http://m.ctrip.com' headers = {'User-Agent' : 'Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 4 Build/JOP40D) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19'} r = requests.post(url, headers=headers) print (r.request.headers) #復雜post請求 url = 'http://m.ctrip.com' payload = {'some': 'data'} r = requests.post(url, data=json.dumps(payload)) #如果傳遞的payload是string而不是dict,需要先調用dumps方法格式化一下 # post多部分編碼文件 url = 'http://m.ctrip.com' files = {'file': open('report.xls', 'rb')} r = requests.post(url, files=files) # 響應狀態碼 r = requests.get('http://m.ctrip.com') print(r.status_code) # 響應頭 r = requests.get('http://m.ctrip.com') print (r.headers) print (r.headers['Content-Type']) print (r.headers.get('content-type')) #訪問響應頭部分內容的兩種方式 # Cookies url = 'http://example.com/some/cookie/setting/url' r = requests.get(url) r.cookies['example_cookie_name'] #讀取cookies url = 'http://m.ctrip.com/cookies' cookies = dict(cookies_are='working') r = requests.get(url, cookies=cookies) #發送cookies #設置超時時間 r = requests.get('http://m.ctrip.com', timeout=0.001) #設置訪問代理 proxies = { "http": "http://10.10.1.10:3128", "https": "http://10.10.1.100:4444", } r = requests.get('http://m.ctrip.com', proxies=proxies) #如果代理需要用戶名和密碼,則需要這樣: proxies = { "http": "http://user:pass@10.10.1.10:3128/", }
其它:
3、示例代碼
GET請求
1 # 1、無參數實例 2 3 import requests 4 5 ret = requests.get('https://github.com/timeline.json') 6 7 print(ret.url) 8 print(ret.text) 9 10 11 12 # 2、有參數實例 13 14 import requests 15 16 payload = {'key1': 'value1', 'key2': 'value2'} 17 ret = requests.get("http://httpbin.org/get", params=payload) 18 19 print(ret.url) 20 print(ret.text)
POST請求
# 1、基本POST實例 import requests payload = {'key1': 'value1', 'key2': 'value2'} ret = requests.post("http://httpbin.org/post", data=payload) print(ret.text) # 2、發送請求頭和數據實例 import requests import json url = 'https://api.github.com/some/endpoint' payload = {'some': 'data'} headers = {'content-type': 'application/json'} ret = requests.post(url, data=json.dumps(payload), headers=headers) print(ret.text) print(ret.cookies)
請求參數


json請求:
#! /usr/bin/python3 import requests import json class url_request(): def __init__(self): ''' init ''' if __name__ == '__main__': heard = {'Content-Type': 'application/json'} payload = {'CountryName': '中國', 'ProvinceName': '四川省', 'L1CityName': 'chengdu', 'L2CityName': 'yibing', 'TownName': '', 'Longitude': '107.33393', 'Latitude': '33.157131', 'Language': 'CN'} r = requests.post("http://www.xxxxxx.com/CityLocation/json/LBSLocateCity", heards=heard, data=payload) data = r.json() if r.status_code!=200: print('LBSLocateCity API Error' + str(r.status_code)) print(data['CityEntities'][0]['CityID']) # 打印返回json中的某個key的value print(data['ResponseStatus']['Ack']) print(json.dump(data, indent=4, sort_keys=True, ensure_ascii=False)) # 樹形打印json,ensure_ascii必須設為False否則中文會顯示為unicode
Xml請求:
#! /usr/bin/python3 import requests class url_request(): def __init__(self): """init""" if __name__ == '__main__': heards = {'Content-type': 'text/xml'} XML = '<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"><soap:Body><Request xmlns="http://tempuri.org/"><jme><JobClassFullName>WeChatJSTicket.JobWS.Job.JobRefreshTicket,WeChatJSTicket.JobWS</JobClassFullName><Action>RUN</Action><Param>1</Param><HostIP>127.0.0.1</HostIP><JobInfo>1</JobInfo><NeedParallel>false</NeedParallel></jme></Request></soap:Body></soap:Envelope>' url = 'http://jobws.push.mobile.xxxxxxxx.com/RefreshWeiXInTokenJob/RefreshService.asmx' r = requests.post(url=url, heards=heards, data=XML) data = r.text print(data)
狀態異常處理
import requests URL = 'http://ip.taobao.com/service/getIpInfo.php' # 淘寶IP地址庫API try: r = requests.get(URL, params={'ip': '8.8.8.8'}, timeout=1) r.raise_for_status() # 如果響應狀態碼不是 200,就主動拋出異常 except requests.RequestException as e: print(e) else: result = r.json() print(type(result), result, sep='\n')
上傳文件
使用request模塊,也可以上傳文件,文件的類型會自動進行處理:
import requests url = 'http://127.0.0.1:8080/upload' files = {'file': open('/home/rxf/test.jpg', 'rb')} #files = {'file': ('report.jpg', open('/home/lyb/sjzl.mpg', 'rb'))} #顯式的設置文件名 r = requests.post(url, files=files) print(r.text)
request更加方便的是,可以把字符串當作文件進行上傳:
import requests url = 'http://127.0.0.1:8080/upload' files = {'file': ('test.txt', b'Hello Requests.')} #必需顯式的設置文件名 r = requests.post(url, files=files) print(r.text)
6) 身份驗證
基本身份認證(HTTP Basic Auth)
import requests from requests.auth import HTTPBasicAuth r = requests.get('https://httpbin.org/hidden-basic-auth/user/passwd', auth=HTTPBasicAuth('user', 'passwd')) # r = requests.get('https://httpbin.org/hidden-basic-auth/user/passwd', auth=('user', 'passwd')) # 簡寫 print(r.json())
另一種非常流行的HTTP身份認證形式是摘要式身份認證,Requests對它的支持也是開箱即可用的:
requests.get(URL, auth=HTTPDigestAuth('user', 'pass')
Cookies與會話對象
如果某個響應中包含一些Cookie,你可以快速訪問它們:
import requests r = requests.get('http://www.google.com.hk/') print(r.cookies['NID']) print(tuple(r.cookies))
要想發送你的cookies到服務器,可以使用 cookies 參數:
import requests url = 'http://httpbin.org/cookies' cookies = {'testCookies_1': 'Hello_Python3', 'testCookies_2': 'Hello_Requests'} # 在Cookie Version 0中規定空格、方括號、圓括號、等於號、逗號、雙引號、斜杠、問號、@,冒號,分號等特殊符號都不能作為Cookie的內容。 r = requests.get(url, cookies=cookies) print(r.json())
會話對象讓你能夠跨請求保持某些參數,最方便的是在同一個Session實例發出的所有請求之間保持cookies,且這些都是自動處理的,甚是方便。
下面就來一個真正的實例,如下是快盤簽到腳本:
import requests headers = {'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', 'Accept-Encoding': 'gzip, deflate, compress', 'Accept-Language': 'en-us;q=0.5,en;q=0.3', 'Cache-Control': 'max-age=0', 'Connection': 'keep-alive', 'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:22.0) Gecko/20100101 Firefox/22.0'} s = requests.Session() s.headers.update(headers) # s.auth = ('superuser', '123') s.get('https://www.kuaipan.cn/account_login.htm') _URL = 'http://www.kuaipan.cn/index.php' s.post(_URL, params={'ac':'account', 'op':'login'}, data={'username':'****@foxmail.com', 'userpwd':'********', 'isajax':'yes'}) r = s.get(_URL, params={'ac':'zone', 'op':'taskdetail'}) print(r.json()) s.get(_URL, params={'ac':'common', 'op':'usersign'})
requests模塊抓取網頁源碼並保存到文件示例
這是一個基本的文件保存操作,但這里有幾個值得注意的問題:
1.安裝requests包,命令行輸入pip install requests即可自動安裝。很多人推薦使用requests,自帶的urllib.request也可以抓取網頁源碼
2.open方法encoding參數設為utf-8,否則保存的文件會出現亂碼。
3.如果直接在cmd中輸出抓取的內容,會提示各種編碼錯誤,所以保存到文件查看。
4.with open方法是更好的寫法,可以自動操作完畢后釋放資源
#! /urs/bin/python3 import requests '''requests模塊抓取網頁源碼並保存到文件示例''' html = requests.get("http://www.baidu.com") with open('test.txt', 'w', encoding='utf-8') as f: f.write(html.text) '''讀取一個txt文件,每次讀取一行,並保存到另一個txt文件中的示例''' ff = open('testt.txt', 'w', encoding='utf-8') with open('test.txt', encoding="utf-8") as f: for line in f: ff.write(line) ff.close()
因為在命令行中打印每次讀取一行的數據,中文會出現編碼錯誤,所以每次讀取一行並保存到另一個文件,這樣來測試讀取是否正常。(注意open的時候制定encoding編碼方式)
自動登陸"示例:


#!/usr/bin/env python # -*- coding:utf-8 -*- import requests from bs4 import BeautifulSoup # ############## 方式一 ############## # # # 1. 訪問登陸頁面,獲取 authenticity_token # i1 = requests.get('https://github.com/login') # soup1 = BeautifulSoup(i1.text, features='lxml') # tag = soup1.find(name='input', attrs={'name': 'authenticity_token'}) # authenticity_token = tag.get('value') # c1 = i1.cookies.get_dict() # i1.close() # # # 1. 攜帶authenticity_token和用戶名密碼等信息,發送用戶驗證 # form_data = { # "authenticity_token": authenticity_token, # "utf8": "", # "commit": "Sign in", # "login": "wupeiqi@live.com", # 'password': 'xxoo' # } # # i2 = requests.post('https://github.com/session', data=form_data, cookies=c1) # c2 = i2.cookies.get_dict() # c1.update(c2) # i3 = requests.get('https://github.com/settings/repositories', cookies=c1) # # soup3 = BeautifulSoup(i3.text, features='lxml') # list_group = soup3.find(name='div', class_='listgroup') # # from bs4.element import Tag # # for child in list_group.children: # if isinstance(child, Tag): # project_tag = child.find(name='a', class_='mr-1') # size_tag = child.find(name='small') # temp = "項目:%s(%s); 項目路徑:%s" % (project_tag.get('href'), size_tag.string, project_tag.string, ) # print(temp) # ############## 方式二 ############## # session = requests.Session() # # 1. 訪問登陸頁面,獲取 authenticity_token # i1 = session.get('https://github.com/login') # soup1 = BeautifulSoup(i1.text, features='lxml') # tag = soup1.find(name='input', attrs={'name': 'authenticity_token'}) # authenticity_token = tag.get('value') # c1 = i1.cookies.get_dict() # i1.close() # # # 1. 攜帶authenticity_token和用戶名密碼等信息,發送用戶驗證 # form_data = { # "authenticity_token": authenticity_token, # "utf8": "", # "commit": "Sign in", # "login": "wupeiqi@live.com", # 'password': 'xxoo' # } # # i2 = session.post('https://github.com/session', data=form_data) # c2 = i2.cookies.get_dict() # c1.update(c2) # i3 = session.get('https://github.com/settings/repositories') # # soup3 = BeautifulSoup(i3.text, features='lxml') # list_group = soup3.find(name='div', class_='listgroup') # # from bs4.element import Tag # # for child in list_group.children: # if isinstance(child, Tag): # project_tag = child.find(name='a', class_='mr-1') # size_tag = child.find(name='small') # temp = "項目:%s(%s); 項目路徑:%s" % (project_tag.get('href'), size_tag.string, project_tag.string, ) # print(temp)

#!/usr/bin/env python # -*- coding:utf-8 -*- import time import requests from bs4 import BeautifulSoup session = requests.Session() i1 = session.get( url='https://www.zhihu.com/#signin', headers={ 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36', } ) soup1 = BeautifulSoup(i1.text, 'lxml') xsrf_tag = soup1.find(name='input', attrs={'name': '_xsrf'}) xsrf = xsrf_tag.get('value') current_time = time.time() i2 = session.get( url='https://www.zhihu.com/captcha.gif', params={'r': current_time, 'type': 'login'}, headers={ 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36', }) with open('zhihu.gif', 'wb') as f: f.write(i2.content) captcha = input('請打開zhihu.gif文件,查看並輸入驗證碼:') form_data = { "_xsrf": xsrf, 'password': 'xxooxxoo', "captcha": 'captcha', 'email': '424662508@qq.com' } i3 = session.post( url='https://www.zhihu.com/login/email', data=form_data, headers={ 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36', } ) i4 = session.get( url='https://www.zhihu.com/settings/profile', headers={ 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36', } ) soup4 = BeautifulSoup(i4.text, 'lxml') tag = soup4.find(id='rename-section') nick_name = tag.find('span',class_='name').string print(nick_name)

#!/usr/bin/env python # -*- coding:utf-8 -*- import re import json import base64 import rsa import requests def js_encrypt(text): b64der = 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCp0wHYbg/NOPO3nzMD3dndwS0MccuMeXCHgVlGOoYyFwLdS24Im2e7YyhB0wrUsyYf0/nhzCzBK8ZC9eCWqd0aHbdgOQT6CuFQBMjbyGYvlVYU2ZP7kG9Ft6YV6oc9ambuO7nPZh+bvXH0zDKfi02prknrScAKC0XhadTHT3Al0QIDAQAB' der = base64.standard_b64decode(b64der) pk = rsa.PublicKey.load_pkcs1_openssl_der(der) v1 = rsa.encrypt(bytes(text, 'utf8'), pk) value = base64.encodebytes(v1).replace(b'\n', b'') value = value.decode('utf8') return value session = requests.Session() i1 = session.get('https://passport.cnblogs.com/user/signin') rep = re.compile("'VerificationToken': '(.*)'") v = re.search(rep, i1.text) verification_token = v.group(1) form_data = { 'input1': js_encrypt('wptawy'), 'input2': js_encrypt('asdfasdf'), 'remember': False } i2 = session.post(url='https://passport.cnblogs.com/user/signin', data=json.dumps(form_data), headers={ 'Content-Type': 'application/json; charset=UTF-8', 'X-Requested-With': 'XMLHttpRequest', 'VerificationToken': verification_token} ) i3 = session.get(url='https://i.cnblogs.com/EditDiary.aspx') print(i3.text)

#!/usr/bin/env python # -*- coding:utf-8 -*- import requests # 第一步:訪問登陸頁,拿到X_Anti_Forge_Token,X_Anti_Forge_Code # 1、請求url:https://passport.lagou.com/login/login.html # 2、請求方法:GET # 3、請求頭: # User-agent r1 = requests.get('https://passport.lagou.com/login/login.html', headers={ 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36', }, ) X_Anti_Forge_Token = re.findall("X_Anti_Forge_Token = '(.*?)'", r1.text, re.S)[0] X_Anti_Forge_Code = re.findall("X_Anti_Forge_Code = '(.*?)'", r1.text, re.S)[0] print(X_Anti_Forge_Token, X_Anti_Forge_Code) # print(r1.cookies.get_dict()) # 第二步:登陸 # 1、請求url:https://passport.lagou.com/login/login.json # 2、請求方法:POST # 3、請求頭: # cookie # User-agent # Referer:https://passport.lagou.com/login/login.html # X-Anit-Forge-Code:53165984 # X-Anit-Forge-Token:3b6a2f62-80f0-428b-8efb-ef72fc100d78 # X-Requested-With:XMLHttpRequest # 4、請求體: # isValidate:true # username:15131252215 # password:ab18d270d7126ea65915c50288c22c0d # request_form_verifyCode:'' # submit:'' r2 = requests.post( 'https://passport.lagou.com/login/login.json', headers={ 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36', 'Referer': 'https://passport.lagou.com/login/login.html', 'X-Anit-Forge-Code': X_Anti_Forge_Code, 'X-Anit-Forge-Token': X_Anti_Forge_Token, 'X-Requested-With': 'XMLHttpRequest' }, data={ "isValidate": True, 'username': '15131255089', 'password': 'ab18d270d7126ea65915c50288c22c0d', 'request_form_verifyCode': '', 'submit': '' }, cookies=r1.cookies.get_dict() ) print(r2.text)
參考:
http://cn.python-requests.org/zh_CN/latest/user/quickstart.html#id4
http://www.python-requests.org/en/master/
http://docs.python-requests.org/en/latest/user/quickstart/
https://www.cnblogs.com/tangdongchu/p/4229049.html#t0
http://www.cnblogs.com/wupeiqi/articles/6283017.html
參考鏈接:https://www.cnblogs.com/lanyinhao/p/9634742.html