Vue how to use select drop-down box Filter table table related information?

Click the drop-down box to select the Shanghai warehouse table form, which is all the information of the Shanghai warehouse. How to implement change events

Nov.14,2021

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write @ change= "event name (parameter)"

directly on el-select.
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-64f5-1bf3d47-54b09.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf3d47-54b09.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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