如何使用SASS将数字转换为百分比? [英] How to convert a number to a percentage with SASS?

问题描述

我有一张 930 像素 x 530 像素的地图.我想使用 mixin 将经纬度坐标转换为框内的顶部/左侧百分比值.

I have a map that is 930px x 530px. I want to use a mixin to convert the lat/long coords to top/left percentage values inside the box.

这是我目前所拥有的...

This is what i have so far...

@mixin latLong ($lat, $long) {
    left: (($long + 180) * (930/360)) + %;
    top: (($lat + 90) * (530/180)) + %;
}

我是这样用的...

&.m1 {@include latLong(-33.94628333, 151.2157139);}

这是吐出一个值，但它是在引号中，所以对css无效.我究竟做错了什么?谢谢.

This is spitting out a value, but it's in quotes, so it's invalid to css. What am I doing wrong? Thanks.

推荐答案

您想使用乘法来应用一个单位，而不是串联:

You want to use multiplication to apply a unit, rather than concatenation:

@mixin latLong ($lat, $long) {
  left: (($long + 180) * (930/360)) * 1%;
  top: (($lat + 90) * (530/180)) * 1%;
}

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