less实现bootstrap的12栅格布局，其实代码不止100行，大概100多行吧
使用过bootstrap的都知道，bootstrap的强大的12栅格系统；在响应式布局中这12栅格布局是非常有用的。
有时候做个简单的页面并不想把所有整个bootstrap引入到页面中，于是便在空余时间写了这个栅格布局，参照了bootstrap的做法，类名，当然这里可以自定义类名的。
详细less请看如下
@container: m-container;
@columns-name: m-col;
@columns-pading: 15px;
@grid-count: 12;
@screen-sm-min: 768px;
@screen-md-min: 992px;
@screen-lg-min: 1200px;
[email protected]{container},
[email protected]{container}-fluid{
padding-left: @columns-pading;
padding-right: @columns-pading;
margin-right: auto;
margin-left: auto;
min-width: 960px;/*为了兼容不支持媒体选择的浏览器*/
-webkit-transition:width 0.9s cubic-bezier(1,-0.02, 0, 1.04);// for Safari and Chrome
-moz-transition:width 0.9s cubic-bezier(1,-0.02, 0, 1.04);// for Firefox
-o-transition:width 0.9s cubic-bezier(1,-0.02, 0, 1.04);// for Opera
-ms-transition:width 0.9s cubic-bezier(1,-0.02, 0, 1.04);// for ie
transition:width 0.5s cubic-bezier(1,-0.02, 0, 1.04);
-webkit-box-sizing: border-box;
box-sizing:border-box;
-moz-box-sizing:border-box;
}
[email protected]{container}-fluid{
min-width: 0;
width: 100%;
}
.row{
min-height: 1px;
margin-left: -@columns-pading;
margin-right: -@columns-pading;
clear: both;
&:before,
&:after{
content: "";
display: table;
clear: both;
}
}
// 列基础css
.columns-base-css() {
position: relative;
min-height: 1px;
padding-right: @columns-pading;
padding-left: @columns-pading;
-webkit-box-sizing: border-box;
box-sizing:border-box;
-moz-box-sizing:border-box;
}
// 循环列，设置基础css
.make-grid-columns(@len: @grid-count) {
.col(@i) {
@classList: ~"[email protected]{columns-name}[email protected]{i},[email protected]{columns-name}[email protected]{i},[email protected]{columns-name}[email protected]{i},[email protected]{columns-name}[email protected]{i}";
.col(@i + 1, ~"@{classList}");
}
.col(@i, @list) when (@i =< @len){
@classList: ~"[email protected]{columns-name}[email protected]{i},[email protected]{columns-name}[email protected]{i},[email protected]{columns-name}[email protected]{i},[email protected]{columns-name}[email protected]{i}";
.col(@i + 1, ~"@{classList},@{list}");
}
.col(@i, @list) when (@i > @len) {
@{list} {
.columns-base-css();
}
}
.col(1)
}
.make-grid-columns(@grid-count);
// 循环生成列
.make-columns-loop(@type, @n, @i: 1) when (@i <= @n){
@col-class-name: ~"@{columns-name}[email protected]{type}";
[email protected]{col-class-name}-@{i}{
width: @i/@n*100%;
float: left;
}
// 偏移
[email protected]{col-class-name}-offset-@{i}{
margin-left: @i/@n*100%;
}
// 排序
[email protected]{col-class-name}-pull-@{i}{
right: @i/@n*100%;
}
[email protected]{col-class-name}-push-@{i}{
left: @i/@n*100%;
}
.make-columns-loop(@type, @n, (@i + 1));
}
.make-columns-loop(xs, @grid-count);
// 媒体查询
[email protected]{container}{
@media (max-width: @screen-sm-min) {
min-width: 0;
}
@media (min-width: @screen-sm-min) {
width: 750px;
min-width: 0;
}
@media (min-width: @screen-md-min) {
width: 970px;
min-width: 0;
}
@media (min-width: @screen-lg-min) {
width: 1170px;
min-width: 0;
}
}
// 媒体查询设置对应列类型css
@media (min-width: @screen-sm-min) {
.make-columns-loop(sm, @grid-count);
}
@media (min-width: @screen-md-min) {
.make-columns-loop(md, @grid-count);
}
@media (min-width: @screen-lg-min) {
.make-columns-loop(lg, @grid-count);
}
这段less是可以直接复制到less环境编译的，如果你需要重新定义类名可以在开头修改
// 容器名
@container: m-container;
// 列名
@columns-name: m-col;
// 列边距
@columns-pading: 15px;
// 栅格数（把屏幕分为12份）
@grid-count: 12;
// 响应对应尺寸
@screen-sm-min: 768px;
@screen-md-min: 992px;
@screen-lg-min: 1200px;
转自链接https://segmentfault.com/a/1190000010104455