1. http协议
GET请求:数据放在url后面
POST请求:数据放在请求体中
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<!--<form action="" method="get">-->
<!--<p>用户名<input type="text" name="username"></p>-->
<!--<p>密码<input type="text" name="password"></p>-->
<!--<p><input type="submit"></p>-->
<!--</form>-->
<form action="" method="post">
<p>用户名<input type="text" name="username"></p>
<p>密码<input type="text" name="password"></p>
<p><input type="submit"></p>
</form>
</body>
</html>
URL: 协议://IP:port/path/
2. 请求协议：（浏览器----->服务器）
请求首行 GET(请求方式) path() 协议版本 必须有
请求头信息 key:value
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.8
Cache-Control: max-age=0
Connection: keep-alive
Content-Length: 21
Content-Type: application/x-www-form-urlencoded
Cookie: Pycharm-8a72aded=1c64571b-ebff-4d27-8943-6c4e777d2183
Host: localhost:63342
Origin: http://localhost:63342
Referer:http://localhost:63342/F/python/%E7%AC%AC%E5%8D%81%E5%85%AD%E5%A4%A9/get%E8%AF%B7%E6%B1%82.html?_ijt=c5iikiopi0fvpbdn75ff0bm51p
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36
空行
请求体
3. http响应协议 服务器------->浏览器
响应首行 http1.1 200 OK 必须有
响应头
1
Bdqid:
0x9e0a8ef30000d37f
Bduserid:
0
Cache-Control:
private
Connection:
Keep-Alive
Content-Encoding:
gzip
Content-Type:
text/html; charset=utf-8
Cxy_all:
98012088_2_dg+31bb3f559a1143ec149685cbef0c934a
Date:
Thu, 11 Jan 2018 15:03:55 GMT
Expires:
Thu, 11 Jan 2018 15:03:55 GMT
P3p:
CP=" OTI DSP COR IVA OUR IND COM "
Server:
BWS/1.1
Set-Cookie:
BDRCVFR[X7WRLt7HYof]=aeXf-1x8UdYcs; path=/; domain=.baidu.com
Set-Cookie:
BDSVRTM=10; path=/
Set-Cookie:
BD_HOME=0; path=/
Set-Cookie:
H_PS_PSSID=1458_21082; path=/; domain=.baidu.com
Strict-Transport-Security:
max-age=172800
Transfer-Encoding:
chunked
Vary:
Accept-Encoding
X-Powered-By:
HPHP
X-Ua-Compatible:
IE=Edge,chrome=1
空行
响应体
4. Django
Django采用了MVC的软件设计模型：模型M,视图V和控制器C.
Django版本对应的Python版本
Django的安装
首先安装python3.6,并添加到环境变量
其次安装pip，并添加到环境变量
进入python3.6的安装目录，执行命令: pip3 install Django==1.11.9
等待安装成功即可。
查看Django是否安装成功。