Copy tooltip text from eachart pie chart

problem description

ecahrts pie chart, when the mouse moves up to the hover, the prompt text appears, and then the mouse wants to be able to copy the text, what attribute is set in the Option?

the environmental background of the problems and what methods you have tried

related codes

/ / Please paste the code text below (do not replace the code with pictures)

what result do you expect? What is the error message actually seen?

Mar.18,2022

cannot be realized. tooltip in eachart is drawn directly on canvas . Even if you don't move with the mouse, there is no dom that you can choose to copy. Change the direction, for example, double-click the pie chart to achieve content replication is also easy to achieve

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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-64f5-1e47ac9-44c51.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e47ac9-44c51.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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