目录结构：除了templates目录下的html文件，其他文件都是属于平行关系
C:.
│ index.html
│ url.py
│ views.py
│ wsgirefServer.py
├───templates
│ index.html
│ test.html
│ time.html
│ user.html
wsgirefServer.py
计算
安全
数据库
网络和加速
企业服务
# make_server ： 类似下面的代码，把这些封装好以后，成了 make_server
# import socket
# server=socket.socket()
# server.bind(('127.0.0.1',8001))
# server.listen(5)
# while True:
# conn,client_address=server.accept()
# data=conn.recv(1024)
from wsgiref.simple_server import make_server
# from url import urls
# from views import error
# env ：已经把下面这些封装好以后，把类似my_diango.py 中的'/index' 路径 从env中取出来即可，这个env 既是字典，也是对像。（把请求头切分好以后，放进字典里面）
# data = conn.recv(1024)
# conn.send(b'HTTP/1.1 200 OK\r\nContent-Type:text/html\r\n\r\n')
from url import urls
from views import error
def run(env, response):
print(env)
response("200 ok", [('Content-type', 'text/html')])
position = env['PATH_INFO']
func = None
for url in urls:
if position == url[0]:
func = url[1]
break
if func:
response = func(env)
else:
response = error(env)
return [response.encode('utf-8'), ]
if __name__ == '__main__':
server = make_server('127.0.0.1', 8003, run) # run 相当于一个装饰器，在run函数之前做了件事，运行run 后，又在run函数之前做了件事，固定用法
server.serve_forever()url.py
from views import *
urls = [
('/index', index),
('/time', time),
('/test', test),
('/user', user),
]views.py
import datetime
from jinja2 import Template
import pymysql
def index(env):
with open('templates/index.html', 'r') as f:
data = f.read()
return data
def time(env):
ctime = datetime.datetime.now().strftime('%Y-%m-%d %X')
with open('templates/time.html', 'r') as f:
data = f.read()
data = data.replace('@@time@@', ctime)
return data
def error(env):
return '404'
def test(env):
with open('templates/test.html', 'r') as f:
data = f.read()
tem = Template(data)
response = tem.render(user={'name': 's_jun', 'age': 18})
return response
def user(env):
conn = pymysql.connect(host='127.0.0.1', port=3306, user='root', db='db2', password='mariadb.123')
# 获得游标,并且查询结果数据是字典格式
cur = conn.cursor(pymysql.cursors.DictCursor)
# 执行sql
cur.execute('select * from user')
# 获取全部查询结果
dic = cur.fetchall()
print(dic)
with open('templates/user.html', 'r') as f:
data = f.read()
tem = Template(data)
response = tem.render(user_list=dic)
return responseindex.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>index</title>
</head>
<body>
<h2>h2</h2>
<h3>h3</h3>
<img src="http://img4.imgtn.bdimg.com/it/u=1565006133,780611353&fm=26&gp=0.jpg">
</body>
</html>templates目录下的html文件
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>index</title>
</head>
<body>
<h2>h2</h2>
<h3>h3</h3>
<img src="http://img4.imgtn.bdimg.com/it/u=1565006133,780611353&fm=26&gp=0.jpg">
</body>
</html>test.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>test</title>
</head>
<body>
{{user.name}}
{{user.age}}
</body>
</html>time.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>time</title>
</head>
<body>
@@time@@
</body>
</html>user.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<table border="1">
<thead>
<tr>
<th>id</th>
<th>name</th>
<th>password</th>
</tr>
</thead>
<tbody>
{% for user in user_list%}
<tr>
<td>{{user.id}}</td>
<td>{{user.name}}</td>
<td>{{user.password}}</td>
</tr>
{% endfor %}
</tbody>
</table>
</body>
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