The vue page uses a step bar, and there is a background assignment in the third step. I got the data as soon as I entered the page and assigned a value to the background. In the third step, the assignment is invalid.

background assignment is invalid, background color is not displayed

Sep.27,2021

Sorry, the reason for solving the problem is that the data sent to me by the background is not correct and lacks the right parenthesis, so it is not recognized during parsing. Vue is still very powerful

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-64f5-1e482d4-44c80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e482d4-44c80.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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