Multi-level grouping of echarts histogram

make a chart like this. This picture is drawn by an artist. I don"t know where to start. To show the situation at different times of the day. Help the gods. How to do it, or what other good solutions are available

Mar.04,2021

I want to know, too!


has this problem been solved?

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-64f5-1b3c2aa-2b034.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3c2aa-2b034.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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