sprite.png) no-repeat; } .sprite-1 { @extend .spriteAll; background-position:0 -30px; } .sprite @extend .spriteAll; background-position:0 -60px; } 编译出来的CSS代码如下: .spriteAll, .sprite-1, .sprite bakckground: url(images/sprite.png) no-repeat; } .sprite-1 { background-position: 0 -30px; } .sprite sprite.png) no-repeat; } .sprite-1 { @include @spriteAll; background-position:0 -30px; } .sprite sprite-1 { bakckground: url(images/sprite.png) no-repeat; background-position: 0 -30px; } .sprite
sprite.png) no-repeat; } .sprite-1 { @extend .spriteAll; background-position:0 -30px; } .sprite @extend .spriteAll; background-position:0 -60px; } 编译出来的CSS代码如下: .spriteAll, .sprite-1, .sprite bakckground: url(images/sprite.png) no-repeat; } .sprite-1 { background-position: 0 -30px; } .sprite 2 { background-position: 0 -60px; } 分析: 在这个例子中,我们定义了一个“.spriteAll”类用来存放公共样式,然后在“.sprite-1”和“.sprite