How vue iview input triggers events when it loses focus and data changes

The

topic is shown in the question.
the on-change method that comes with iview triggers whenever the data changes (watch, too, doesn"t meet my needs.

Mar.04,2021

then you listen to the dom event
to get focus, get the data and save it; lose focus and compare the data to see if the event is triggered

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-64f5-1b3b96b-2afeb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3b96b-2afeb.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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