How does Mini Program realize the group avatar of Wechat

I now know everyone"s avatar and how to draw it in groups, such as
clipboard.png

.
Canvas html Mini-Program javascript
Mar.29,2021

call wx.downloadFile to download the picture resources, and then draw them with canvas

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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-64f5-1b39fd9-345a5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b39fd9-345a5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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