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目錄結(jié)構(gòu):除了templates目錄下的html文件,其他文件都是屬于平行關(guān)系
C:.
│ index.html
│ url.py
│ views.py
│ wsgirefServer.py
├───templates
│ index.html
│ test.html
│ time.html
│ user.html
wsgirefServer.py
# make_server : 類似下面的代碼,把這些封裝好以后,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 :已經(jīng)把下面這些封裝好以后,把類似my_diango.py 中的'/index' 路徑 從env中取出來(lái)即可,這個(gè)env 既是字典,也是對(duì)像。(把請(qǐng)求頭切分好以后,放進(jìn)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 相當(dāng)于一個(gè)裝飾器,在run函數(shù)之前做了件事,運(yùn)行run 后,又在run函數(shù)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') # 獲得游標(biāo),并且查詢結(jié)果數(shù)據(jù)是字典格式 cur = conn.cursor(pymysql.cursors.DictCursor) # 執(zhí)行sql cur.execute('select * from user') # 獲取全部查詢結(jié)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 response
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>
templates目錄下的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> </html>
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