How do I operate the Angular6 global SCSS variable?

according to the previous understanding:

  1. introduce styles.scss into angular.json
  2. introduce variable.scss into styles.scss
  3. use
    4. in login.component.scss

but an error is reported. How to use global variables without introducing variable.scss individually

Scss angular angularjs
Dec.10,2021

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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-64f5-1b37662-2add4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b37662-2add4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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