Implementation of calling Printer in Local area Network with Weex

problem description

at present, I have made an app, by using the combination of Kotlin and Weex. I want to get all the printers in the local area network and call the printer. Is there any way..

the environmental background of the problems and what methods you have tried

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

Apr.27,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-7abf0a-28e01.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-7abf0a-28e01.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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