本系列教程供个人学习笔记使用，如果您要浏览可能需要其它编程语言基础（如C语言），why?因为我写得烂啊，只有我自己看得懂！！
- httpbin
httpbin这个网站能测试 HTTP 请求和响应的各种信息，
比如 cookie、ip、headers 和登录验证等，且支持 GET、POST 等多种方法，
对 web 开发和测试很有帮助。它用 Python + Flask 编写，是一个开源项目。
官方网站：http://httpbin.org/
开源地址：https://github.com/Runscope/httpbin - get请求
一、简单get请求数据1 import requests 2 get_url = 'http://www.httpbin.org/get' 3 r = requests.get(get_url) #发送get请求 4 print r 5 print help(r) 6 print r.text #接收的内容in bytes 7 print r.content #接收的内容in unicode
二、使用python抓去百度主页
1 import requests 2 r = requests.get('http://www.baidu.com') 3 print r.content 4 #打开一个文件，并存入网页信息 5 with open('baidu.html','w') as fil: 6 fil.write(r.content)
三、get传参
1 #可以先通过help函数来查看下get方法的文档说明 2 import requests 3 # print help(requests.get) 4 get_url = 'http://www.httpbin.org/get' 5 myparams={'qq':'34782655'} 6 # r = requests.get(url=get_url,params=myparams) 7 r = requests.get(get_url,myparams) 8 print r.url #请求的url，拼接url和参数 9 print r.content #返回的数据
- post请求
一、发送请求体
例子：
1 import requests 2 #先来查看下post方法的文档使用说明 3 # print help(requests.post) 4 #通过data来传参,相当于传的表单，在返回的数据中可以看出 5 post_url = 'http://www.httpbin.org/post' 6 myData={'qq':'34782655','cnblog':'hyyq'} 7 r = requests.post(url = post_url,data = myData) 8 print r.url #请求的url,请求体就是参数 9 print r.content #返回的数据
输出：
1 http://www.httpbin.org/post 2 { 3 "args": {}, 4 "data": "", 5 "files": {}, 6 "form": { 7 "cnblog": "hyyq", 8 "qq": "34782655" 9 }, 10 "headers": { 11 "Accept": "*/*", 12 "Accept-Encoding": "gzip, deflate", 13 "Connection": "close", 14 "Content-Length": "23", 15 "Content-Type": "application/x-www-form-urlencoded", 16 "Host": "www.httpbin.org", 17 "User-Agent": "python-requests/2.18.4" 18 }, 19 "json": null, 20 "origin": "183.230.42.10", 21 "url": "http://www.httpbin.org/post" 22 } 23 24 [Finished in 1.3s]
二、发送json数据
例子：1 import requests,json 2 post_url = 'http://www.httpbin.org/post' 3 myData={'qq':'34782655','cnblog':'hyyq'} 4 r = requests.post(url = post_url,json = myData) 5 # r = requests.post(url = post_url,data = json.dumps(myData)) 6 print r.url #请求的url，发送json数据 7 print r.content #返回的数据
输出：
1 http://www.httpbin.org/post 2 { 3 "args": {}, 4 "data": "{"qq": "34782655", "cnblog": "hyyq"}", 5 "files": {}, 6 "form": {}, 7 "headers": { 8 "Accept": "*/*", 9 "Accept-Encoding": "gzip, deflate", 10 "Connection": "close", 11 "Content-Length": "36", 12 "Content-Type": "application/json", 13 "Host": "www.httpbin.org", 14 "User-Agent": "python-requests/2.18.4" 15 }, 16 "json": { 17 "cnblog": "hyyq", 18 "qq": "34782655" 19 }, 20 "origin": "183.230.42.10", 21 "url": "http://www.httpbin.org/post" 22 } 23 24 [Finished in 1.0s]
- 上传文件
例子：1 #上传文件 2 import requests 3 # print help(requests) 4 post_url = 'http://www.httpbin.org/post' 5 files = {'file':open('yyc.txt','rb')} #这里rb是以读的方式用二进制格式打开 6 r = requests.post(post_url,files=files) 7 print r.content
输出：
1 { 2 "args": {}, 3 "data": "", 4 "files": { 5 "file": "data:application/octet-stream;base64,xOO6ww==" 6 }, 7 "form": {}, 8 "headers": { 9 "Accept": "*/*", 10 "Accept-Encoding": "gzip, deflate", 11 "Connection": "close", 12 "Content-Length": "147", 13 "Content-Type": "multipart/form-data; boundary=8bffc774646942deaa8a314f8675d879", 14 "Host": "www.httpbin.org", 15 "User-Agent": "python-requests/2.18.4" 16 }, 17 "json": null, 18 "origin": "183.230.42.10", 19 "url": "http://www.httpbin.org/post" 20 } 21 22 [Finished in 1.0s]