How to get flex to specify several items in one line

want to make a calendar so that only 7 elements are displayed in a row. Sometimes there will be more and less in different mobile terminals due to different resolutions. Who knows to use flex to specify a row to display 7 elements, and fill the extra parts with blanks

Mar.01,2021

layout


parent node is set to horizontal flex layout, and each child node is set to 25% width

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-64f5-1c24d6a-32c69.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1c24d6a-32c69.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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