Failed to export phpexcel to a specific directory

phpexcel failed to export to a specific directory
$objWriter- > save ("download/".$filename.".xls");
local access interface can, but failed to access the server

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save can I specify a directory?
what if I want to export to a specific directory?

Php
Aug.30,2021

is there a problem with the path? does the directory download exist?


1. The path is changed to an absolute path
2. The folder is set to the highest permission
can you try these two methods?

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-64f5-1b35428-2b7d0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35428-2b7d0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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