Sass\u548cLess\u90fd\u5c5e\u4e8eCSS\u9884\u5904\u7406\u5668\uff0cCSS\u9884\u5904\u7406\u5668\u5b9a\u4e49\u4e86\u4e00\u79cd\u65b0\u7684\u8bed\u8a00\uff0c\u5176\u57fa\u672c\u601d\u60f3\u662f\uff0c\u7528\u4e00\u79cd\u4e13\u95e8\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u4e3aCSS\u589e\u52a0\u4e86\u4e00\u4e9b\u7f16\u7a0b\u7684\u7279\u6027\uff0c
\n\u5982\uff1a\u53d8\u91cf\u3001\u8bed\u53e5\u3001\u51fd\u6570\u3001\u7ee7\u627f\u7b49\u6982\u5ff5\u3002
\n\u5c06CSS\u4f5c\u4e3a\u76ee\u6807\u751f\u6210\u6587\u4ef6\uff0c\u7136\u540e\u5f00\u53d1\u8005\u5c31\u53ea\u8981\u4f7f\u7528\u8fd9\u79cd\u8bed\u8a00\u8fdb\u884cCSS\u7684\u7f16\u7801\u5de5\u4f5c\u3002
\nSass\u540e\u7f00\u540d.scss
\nLess\u540e\u7f00\u540d.less<\/p>\n
\u8bed\u6cd5\uff1a<\/p>\n
\u6ce8\u91ca
\ncss\u5355\u884c\u6ce8\u91ca\u4e0d\u4f1a\u88ab\u7f16\u8bd1\u51fa\u6765\uff0c\u591a\u884c\u6ce8\u91ca\u4f1a\u88ab\u7f16\u8bd1\u51fa\u6765<\/p>\n
\u53d8\u91cf
\nLess\u53d8\u91cf @number:123px;
\nSass\u53d8\u91cf $number:123px;<\/p>\n
\u63d2\u503c
\nLess @key:margin;
\n@{key}:auto;
\nSass $key:margin;
\n#{$key}:auto;<\/p>\n
\u4f5c\u7528\u57df
\nLess:
\n@number:123px;
\n.box3{@number:456px;width:@number;\/\/456px}<\/p>\n
Sass:\u4f5c\u7528\u57df\u6709\u987a\u5e8f\u7684
\n$number:123px;
\n.box3{$number:456px;width:@number;height:@number;\/\/456px}<\/p>\n
\u9009\u62e9\u5668\u5d4c\u5957
\nul{
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\np{margin:20px;}
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\n}<\/p>\n
\u4f2a\u7c7b\u5d4c\u5957
\nul{
\nlist-style:none;
\nli{
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\ndiv{margin:20px;}
\np{margin:20px;}
\n}
\n&:hover{color:red;\/\/&\u53bb\u9664ul\u540e\u9762\u7684\u7a7a\u683c}
\n}<\/p>\n
\u5c5e\u6027\u5d4c\u5957Sass,Less\u4e0d\u652f\u6301
\nul{
\nlist-style:none;
\nli{
\nfloat:left;
\ndiv{margin:20px;}
\np{margin:20px;}
\n}
\n&:hover{
\ncolor:red;\/\/&\u53bb\u9664ul\u540e\u9762\u7684\u7a7a\u683c
\nfont:{
\nsize:10px;
\nweight:bold;
\n}
\n}
\n}<\/p>\n
\u8fd0\u7b97\u3001\u5355\u4f4d\u3001\u8f6c\u4e49\u3001\u989c\u8272
\nwidth:@number*3;
\nheight:@number +20em;\/\/Sass\u4e0d\u652f\u6301\u5355\u4f4d\u4e0d\u540c\u8fdb\u884c\u6362\u7b97
\npadding:20px \/ 1.5;\/\/Less\u9664\u6cd5\u64cd\u4f5c\uff0cSass\u9ed8\u8ba4\u5206\u5272\u64cd\u4f5c
\npadding:~”20px \/ 1.5″;\/\/\u4e0d\u8fd0\u7b97padding:20px \/1.5
\npadding:(20px \/ 1.5);\/\/Sass\u505a\u9664\u6cd5\u8fd0\u7b97
\ncolor:#010203 *3;\/\/#030609<\/p>\n
\u51fd\u6570
\nwidth:round(3.5px);\/\/\u56db\u820d\u4e94\u5165
\nheight:percentage(0.2);\/\/\u767e\u5206\u6bd420%
\nrandom()\/\/\u53ea\u652f\u6301Sass
\nsqrt(25%)\/\/\u5f00\u65b9 \u53ea\u652f\u6301Less
\nfont-size:sum(4px,5px);
\n\u81ea\u5b9a\u4e49\u51fd\u6570
\n@function sum($n,$m){
\n@return $n+$m;
\n}<\/p>\n
\u6df7\u5165
\nLess:
\n.show{display:’block’;}
\n.show(@color){\/\/\u5982\u679c\u4e0d\u60f3\u7f16\u8bd1\u6b64\u6837\u5f0f\uff0c\u5728\u6837\u5f0f\u540d\u540e\u9762\u52a0()\u62ec\u53f7\uff0c\u62ec\u53f7\u91cc\u9762\u53ef\u4ee5\u5e26\u53c2\u6570
\ncolor:@color;
\n}
\n.box{
\nwidth:100px;
\n.show;
\n.show(blue);
\n}<\/p>\n
Sass:
\n@mixin show{
\ndisplay:’block’;
\n}
\n@mixin show($color){
\ndisplay:’block’;
\n}
\n.box{
\nwidth:100px;
\n@include show;
\n@include show(red);
\n}<\/p>\n
\u547d\u540d\u7a7a\u95f4Less
\n#nm(){
\n.show{display:inline-block;}
\n}
\n.box1{
\n#nm.show;
\n}<\/p>\n
\u7ee7\u627f
\nLess:
\n.line{display:inline;}
\n.box1{ &:extend(.line);}
\n.box2{ &:extend(.line);}
\n\u7f16\u8bd1\u540e
\n.line,
\n.box1,
\n.box2{
\ndisplay:inline;
\n}<\/p>\n
Sass:
\n%line{display:inline;}\/\/\u4e0d\u4f1a\u7f16\u8bd1\u51fa\u6765
\n.line{display:inline;}
\n.box1{@extend .line;}
\n.box2{@extend .line;}
\n\u7f16\u8bd1\u540e
\n.line,.box1,.box2{display:inline;}<\/p>\n
\u5408\u5e76
\nLess:
\n.box3{
\nbackground+ : url(1.png);\/\/+\u7b26\u53f7\u662f\u7528\uff0c\u9017\u53f7\u9694\u5f00
\nbackground+ : url(2.png);
\ntransform+_ :scale(2);\/\/+_ \u7b26\u53f7\u662f\u7528 \u7a7a\u683c \u9694\u5f00
\ntransform+_:rotate(30deg);
\n}
\n\u7f16\u8bd1\u540e\uff1a
\n.box3{
\nbackground:url(1.png),url(2.png);
\ntransform:scale(2) rotate(30deg)
\n}<\/p>\n
Sass:
\n$background:{
\na : url(1.png),
\nb: url(2.png)
\n}
\n$transform :{
\na:scale(2),
\nb:rotate(20deg)
\n}
\n.box3{
\nbackground:map-values($background);\/\/\u952e\u503c\u5bf9
\ntransform: zip(map-values($transform)…);\/\/\u628a\u9017\u53f7\u8f6c\u6210\u7a7a\u683c
\n}<\/p>\n
\u5a92\u4f53\u67e5\u8be2
\n.box2{
\nwidth:10px;
\n@media all and (min-width:768px){
\nwidth:600px;
\n}
\n@media all and (min-width:1440px){
\nwidth:900px;
\n}
\n}<\/p>\n
\u6761\u4ef6
\nLess:
\n@count:3;
\n.get(@cn) when ( @cn >4){
\nwidth:100px + @cn;
\n}
\n.box{
\n.get(@count);
\n}<\/p>\n
Sass:
\n$count:3;
\n.box1{
\n@if($count>4){
\nwidth: 100px + $count;
\n}
\n@else{
\nwidth: 10px + $count;
\n}
\n}<\/p>\n
\u5faa\u73af
\nLess:\u9012\u5f52\u5faa\u73af
\n@conut2 :0;
\n.get2(@cn) when (@cn <3){
\n.get2((@cn+1));
\n.box-@{cn}{
\nwidth:100px +@cn;
\n}
\n}
\n.get2(@count2);<\/p>\n
Sass:\u652f\u6301for\u3001foreach
\n@for $i from 0 through 2{
\n.box-#{$i}{
\nwidth:100px + $i;
\n}
\n}<\/p>\n
\u5bfc\u5165
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