import utime

import socket

from machine import Pin

from re import search

#开继电器 http://ip/relay?code=111&status=0

#关继电器 http://ip/relay?code=111&status=1

#关LED灯 http://ip/light?code=111&status=1

SSID="qingty9"

PWD="xxx;"

SECURE_CODE="t111w"

PORT=80

HEAD200='HTTP/1.1 200 OK\r\nServer: twEsp8266\r\n'

HEAD200+='Content-Type: text/html;charset=UTF-8\r\nConnection: close\r\n\r\n'

#conntect to wifi

def doconnect():

import network

wlan=network.WLAN(network.STA_IF)

wlan.active(True)

if not wlan.isconnected():

print('connecting to network...')

wlan.connect(SSID,PWD)

start = utime.time()

while not wlan.isconnected():

utime.sleep(1)

if utime.time()-start>5:

print('connect time out !')

break

if wlan.isconnected():

print('network config:',wlan.ifconfig())

return wlan

#parse params to map

def parm_parse(qs):

parameters = {}

ampersandSplit = qs.split("&")

for element in ampersandSplit:

equalSplit = element.split("=")

parameters[equalSplit[0]] = equalSplit[1]

return parameters

wlan=doconnect()

webserver=socket.socket()

webserver.bind(('0.0.0.0',PORT))

webserver.listen(1)

relay=Pin(0,Pin.OUT)

led=Pin(2,Pin.OUT)

while True:

conn,addr = webserver.accept()

request=conn.recv(1024)

if len(request)>0:

request=request.decode()

result=search("(.*?) (.*?) HTTP/1.1",request)

url=result.group(2)

if url=='/favicon.ico':

pass

else:

print(url)

uri=url.split('?')[0]

param=parm_parse(url.split('?')[1])

if 'code' in param and param['code']==SECURE_CODE:

if uri=='/light':

if 'status' in param and param['status']=='0':

led.value(0) #或led.off()

else:

led.value(1)

conn.send(HEAD200+uri+'操作成功!')

elif uri=='/relay':

if 'status' in param and param['status']=='0':

relay.value(0)

else:

relay.value(1)

conn.send(HEAD200+uri+'操作成功!')

else:

conn.send(HEAD200+'未识别的指令!')

else:

conn.send(HEAD200+'安全码错误!')

else:

print('no request')

conn.close()