less学习二---变量

//less
//变量
@pink:pink;
.content{
    color:@pink;
}

.content{
    color:#ffc0cb;//pink
}

@selector:content;
.@{selector}{
    color:pink;
}
//或者
@sector:.content;
@{selector}{
　　color:pink;
}

//编译后都是
.content{
    color:pink;
}

@img:"../img/";
.content{
    backgrond:url("@{img}/sea.jpg");
}

//编译后
.content{
    background:url("../img/sea.jpg");
}

@property:color;
.content{
    background-@{property}:green;
    a{
        @{property}:white;
    }
}

//编译后
.content{
    background-color:#00ff00;
}
.content a{
    color:white;
}

@primary:red;
.content{
    @color:primary;
    background-color:@@color;
}
//或者
.content{
    @color:@primary;
    background-color:@color;
}

//编译后都是
.content{
    background-color:red;
}

@h:300px;
.content{
    width:@var;
    height:@h;
}
@var:9%;

//编译后
.content{
  width:9%;
  height:300px;
}

@var: 0;
.class {
  @var: 1;
  .brass {
    @var: 2;
    three: @var;
    @var: 3;
  }
  one: @var;
}

//编译后
.class {
  one: 1;
}
.class .brass {
  three: 3;
}

.widget {
  color: #efefef;
  background-color: $color;
}
//编译后
.widget {
  color: #efefef;
  background-color: #efefef;
}