发送HELLO
receive-id=0
WHAT PAINT SEND IS:30-25-0-1e-2f-61-31-61-63-45-62-6d-31-54-4f-61-2f-41-67-61-69-6e-41-6f-73-2f-75-73-65-72-2f-67-65-74-48-45-4c-4c-4f-
发送123
receive-id=0
WHAT PAINT SEND IS:30-23-0-1e-2f-61-31-61-63-45-62-6d-31-54-4f-61-2f-41-67-61-69-6e-41-6f-73-2f-75-73-65-72-2f-67-65-74-31-32-33-
30--代表publish
第二个不知是啥
【后面完全一样0-1e-2f-61-31-61-63-45-62-6d-31-54-4f-61-2f-41-67-61-69-6e-41-6f-73-2f-75-73-65-72-2f-67-65-74】
结尾是我键入的数据--31-32-33