HTTP protocol description:

I. card reader parameter configuration:

2. Illustration of instance interface:

HTTP Send the interface：mcardsea.php

Request format: http:// server address /qa/ McArdsep.php (this suffix is changed by docking service language, default PHP)? Cardid = & malq =1& calq =463D5361&status=11&time=UTC(time)
cardid Card number or qr code content 。
mjihao Gate number
cjihao Equipment series no. (8-bit)
status High indicates whether the usage is normal or legal (1 is normal, 0 is not illegal to transmit high), low indicates the type of output (1 in, 0 out), and the default is 11.

The server returns status=0 and status=1 twice

Server data return

Format:               

cardid= Card number sent throughh WG;

status= 0 illegal, 1 legal;  
output= 1.WG26, 2.WG34; 
time = Server time (the difference is greater than 1 minute to synchronize)

MQTT: sending a message;

mcardsea.asp(this suffix is changed by docking

service language, default PHP

cardid=123&mjihao=1&cjihao=10294&status=11&time=UTC