socket搭建web服务端

import socket
from threading import Thread
import time

def html(conn):
    time_tag = str(time.time())
    print(time_tag)
    with open('test1.html', 'r', encoding='utf-8') as f:
        content = f.read()
    content = content.replace('#zzxx#', time_tag)
    content = content.encode('utf-8')
    conn.send(content)
    conn.close()
def css(conn):
    with open('test.css', 'rb') as f:
        content = f.read()
    conn.send(content)
    conn.close()
def js(conn):
    with open('test.js', 'rb') as f:
        content = f.read()
    conn.send(content)
    conn.close()
def jpg(conn):
    with open('934905.jpg', 'rb') as f:
        content = f.read()
    conn.send(content)
    conn.close()
def icon(conn):
    with open('bilibili.ico', 'rb') as f:
        content = f.read()
    conn.send(content)
    conn.close()
sk = socket.socket()
sk.bind(("127.0.0.1", 8080))
sk.listen()

urlpath = [
    ('/', html),
    ('/test.css', css),
    ('/test.js', js),
    ('/934905.jpg', jpg),
    ('/bilibili.ico', icon),
]

while True:
    conn, addr = sk.accept()
    msg = conn.recv(1024)
    # print(msg.decode("utf-8"))
    request_str = msg.decode("utf-8")
    path = request_str.split('\r\n')[0].split(' ')[1]
    print(path)
    conn.send(b"HTTP/1.1 200 ok\r\n\r\n")
    # conn.send(b"hello")
    for i in urlpath:
        if path == i[0]:
            # i[1](conn)
            t = Thread(target=i[1], args=(conn, ))
            t.start()

wsgiref Web框架

from wsgiref.simple_server import make_server
import time
from showdata import showdata
from jinja2 import Template

def html():
    # time_tag = str(time.time())
    # print(time_tag)
    user_info = showdata()
    # with open('test1.html', 'r', encoding='utf-8') as f:
    with open('jinja2test.html', 'r', encoding='utf-8') as f:
        content = f.read()

    tem = Template(content)
    content = tem.render({"userinfo": user_info})

    content = content.replace('#zzxx#', user_info['name'])
    content = content.encode('utf-8')
    return content
def css():
    with open('test.css', 'rb') as f:
        content = f.read()
    return content
def js():
    with open('test.js', 'rb') as f:
        content = f.read()
    return content
def jpg():
    with open('934905.jpg', 'rb') as f:
        content = f.read()
    return content
def icon():
    with open('bilibili.ico', 'rb') as f:
        content = f.read()
    return content
urlpath = [
    ('/', html),
    ('/test.css', css),
    ('/test.js', js),
    ('/934905.jpg', jpg),
    ('/bilibili.ico', icon),
]
def application(environ, start_response):
    print(environ)
    start_response('200 OK', [('k1', 'v1'), ('k2', 'v2')])

    path = environ['PATH_INFO']
    for i in urlpath:
        if path == i[0]:
            ret = i[1]()
            break
    else:
        ret = b'404'

    # return [b'<h1>Hello World!<h1>']
    return [ret]

httpd = make_server('127.0.0.1', 8080, application)
print('Seeving HTTP on port 8080')
httpd.serve_forever()

showdata文件

import pymysql
def showdata():
    conn = pymysql.connect(
        host='127.0.0.1',
        port=3306,
        user='root',
        password='123456',
        database='web_test',
        charset='utf8'
    )

    cursor = conn.cursor(pymysql.cursors.DictCursor)
    sql = 'select * from userinfo;'
    cursor.execute(sql)
    data = cursor.fetchone()
    print(data)
    conn.commit()
    cursor.close()
    conn.close()
    return data

下面是将服务打包起来，更易于管理

manage.py

"""
写服务器逻辑
"""
from wsgiref.simple_server import make_server
from urls import urlpath

def application(environ, start_response):
    # print(environ)
    start_response('200 OK', [('k1', 'v1'), ('k2', 'v2')])

    path = environ['PATH_INFO']
    print(path)
    for i in urlpath:
        if path == i[0]:
            ret = i[1]()
            break
    else:
        ret = b'404'

    # return [b'<h1>Hello World!<h1>']
    return [ret]

httpd = make_server('127.0.0.1', 8080, application)
# print('Seeving HTTP on port 8080')
httpd.serve_forever()

views.py

"""
写业务逻辑
"""

from showdata import showdata
from jinja2 import Template

def html():
    # time_tag = str(time.time())
    # print(time_tag)
    user_info = showdata()
    # with open('test1.html', 'r', encoding='utf-8') as f:
    with open('templates/jinja2test.html', 'r', encoding='utf-8') as f:
        content = f.read()

    tem = Template(content)
    content = tem.render({"userinfo": user_info})
    print("主页")

    content = content.replace('#zzxx#', user_info['name'])
    content = content.encode('utf-8')
    return content
def css():
    with open('static/css/test.css', 'rb') as f:
        content = f.read()
    print("css文件")
    return content
def js():
    with open('static/js/test.js', 'rb') as f:
        content = f.read()
    return content
def jpg():
    with open('static/img/934905.jpg', 'rb') as f:
        content = f.read()
    return content
def icon():
    with open('static/img/bilibili.ico', 'rb') as f:
        content = f.read()
    return content

urls.py

"""
路由逻辑
"""
import views

urlpath = [
    ('/', views.html),
    ('/static/css/test.css', views.css),
    ('/static/js/test.js', views.js),
    ('/static/img/934905.jpg', views.jpg),
    ('/static/img/bilibili.ico', views.icon)
]

models.py

import pymysql

conn = pymysql.connect(
    host='127.0.0.1',
    port=3306,
    user='root',
    password='123456',
    database='web_test',
    charset='utf8'
)

cursor = conn.cursor(pymysql.cursors.DictCursor)
sql = 'create table userinfo(id int primary key auto_increment,name char(10), age int' \
      ' not null);'
cursor.execute(sql)

conn.commit()
cursor.close()
conn.close()