手动发送http请求

解释说明

https://blog.csdn.net/zhangliang_571/article/details/23508953

http://www.cnblogs.com/biyeymyhjob/archive/2012/07/28/2612910.html

使用tornado写一个简单的web

# -*- coding:utf-8 -*-

import tornado.ioloop

import tornado.web

settings = {

    'template_path': 'template',    #  html文件夹

}

class MainHandler(tornado.web.RequestHandler):

    def get(self):

        self.render("index.html")

    def post(self):

        print(self.get_argument("username",None))

        print(self.get_arguments("hobby"))

        self.write("post success")

application = tornado.web.Application([

    (r"/index", MainHandler),

],**settings)

if __name__ == "__main__":

    print('http://127.0.0.1:8888')

    application.listen(8888)

    tornado.ioloop.IOLoop.instance().start()

app.py

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

</head>

<body>

    <h1>get index.html</h1>

    <hr>

    <form method="POST" action="">

        用户名：<input type="text" name="username">

        <input type="checkbox" value="1" name="hobby">篮球

        <input type="checkbox" value="2" name="hobby">足球

        <input type="submit" value="提交">

    </form>

</body>

</html>

index.html

发送get请求

import socket

client = socket.socket(family=socket.AF_INET,type=socket.SOCK_STREAM)

client.connect(("127.0.0.1",8888))

################### get请求 ###################

# 使用server获取浏览器发来的get请求，\r\n换行，\r\n\r\n为头部的结尾

get_request_info = b"""GET /index HTTP/1.1\r\nHost: 127.0.0.1:9000\r\nUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:63.0) Gecko/20100101 Firefox/63.0\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2\r\nConnection: keep-alive\r\nUpgrade-Insecure-Requests: 1\r\nAccept-Encoding: gzip, deflate\r\n\r\n"""

# 整理后，效果同上

get_request_info = b"""GET /index HTTP/1.1

Host: 127.0.0.1:9000

User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:63.0) Gecko/20100101 Firefox/63.0

Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2

Connection: keep-alive

Upgrade-Insecure-Requests: 1

Accept-Encoding: gzip, deflate

"""

# 最简，包含method path version以及换行的host

get_request_info = b"""GET /index HTTP/1.1

Host: 127.0.0.1:9000

"""

client.send(get_request_info)

res = client.recv(8096)

print(res)

# 以上3种get结果均一样

b'HTTP/1.1 200 OK\r\nServer: TornadoServer/4.5.3\r\nContent-Type: text/html; charset=UTF-8\r\nDate: Tue, 04 Dec 2018 15:03:50 GMT\r\nEtag: "c1f5bd35d1d7def663d41a28908196ffa8750087"\r\nContent-Length: 373\r\n\r\n<!DOCTYPE html>\n<html lang="en">\n<head>\n<meta charset="UTF-8">\n<title>Title</title>\n</head>\n<body>\n<h1>get index.html</h1>\n<hr>\n<form method="POST" action="">\n\xe7\x94\xa8\xe6\x88\xb7\xe5\x90\x8d\xef\xbc\x9a<input type="text" name="username">\n<input type="checkbox" value="1" name="hobby">\xe7\xaf\xae\xe7\x90\x83\n<input type="checkbox" value="2" name="hobby">\xe8\xb6\xb3\xe7\x90\x83\n<input type="submit" value="\xe6\x8f\x90\xe4\xba\xa4">\n</form>\n</body>\n</html>'

# 等价于

b'''HTTP/1.1 200 OK

Server: TornadoServer/4.5.3

Content-Type: text/html; charset=UTF-8

Date: Tue, 04 Dec 2018 14:40:11 GMT

Etag: "9658370061299b0993b0cd437c4d9be3795e776f"

Content-Length: 267

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<title>Title</title>

</head>

<body>

<h1>get index.html</h1>

<hr>

<form method="POST" action="">

\xe7\x94\xa8\xe6\x88\xb7\xe5\x90\x8d\xef\xbc\x9a<input type="text" name="username">

<input type="submit" value="\xe6\x8f\x90\xe4\xba\xa4">

</form>

</body>

</html>'''

发送post请求

import socket

client = socket.socket(family=socket.AF_INET,type=socket.SOCK_STREAM)

client.connect(("127.0.0.1",8888))

# ################### post请求 ###################

post_request_info = b'POST /index HTTP/1.1\r\nHost: 127.0.0.1:8888\r\nUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:63.0) Gecko/20100101 Firefox/63.0\r\nAccept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\nAccept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2\r\nReferer: http://127.0.0.1:8888/index\r\nContent-Type: application/x-www-form-urlencoded\r\nConnection: keep-alive\r\nUpgrade-Insecure-Requests: 1\r\nAccept-Encoding: gzip, deflate\r\nContent-Length: 28\r\n\r\nusername=abc&hobby=1&hobby=2'

post_request_info = b'''POST /index HTTP/1.1

Host: 127.0.0.1:8888

User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:63.0) Gecko/20100101 Firefox/63.0

Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8

Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2

Referer: http://127.0.0.1:8888/index

Content-Type: application/x-www-form-urlencoded

Connection: keep-alive

Upgrade-Insecure-Requests: 1

Accept-Encoding: gzip, deflate

Content-Length: 28

username=abc&hobby=1&hobby=2'''

# 最简

post_request_info = b'''POST /index HTTP/1.1

Host: 127.0.0.1:8888

Content-Type: application/x-www-form-urlencoded

Content-Length: 28

username=abc&hobby=1&hobby=2'''

client.send(post_request_info)

res = client.recv(8096)

print(res)

b'HTTP/1.1 200 OK\r\nServer: TornadoServer/4.5.3\r\nContent-Type: text/html; charset=UTF-8\r\nDate: Tue, 04 Dec 2018 15:44:25 GMT\r\nContent-Length: 12\r\n\r\npost success'

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