- 新建comm.scss文件
@mixin flex($direction: row, $justify-content: center, $align-items: center) { display: flex; flex-direction: $direction; justify-content: $justify-content; align-items: $align-items; }
- 然后,在你的主Sass文件中,使用@include引入 flex
.selector { @include flex(row, center, center); }
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