The rules check defined in vue does not work, but what is the problem?

problem solved!

Mar.16,2021

did you invoke form validation:

this.$refs['form'].validate(valid => {
    if (valid) {
        // 
    } else {
        // 
    }
})
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-64f5-1e4867f-44cc5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e4867f-44cc5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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