关于Retina屏幕下1px的问题

[proYang]

想问下对于 Retina 屏幕下1px的问题，脚手架中使用的是什么解决方案 ❓

[booxood]

模板中有提供 mixin

/**
 * 1像素边框
 * @param  {string} $position [边框位置，取值：top, bottom, left, right, full]
 * @param  {string} $borderColor [边框颜色]
 * @param  {number} $raidus [圆角]
 *
 * 例子：
 *   @include border(top, #ddd);
 *   @include border(full, #ddd, 2px);
 */
@mixin border($position: full, $borderColor: #ddd, $radius: 0) {
  content: '';
  position: absolute;
  z-index: 1;
  pointer-events: none;
  background-color: $borderColor;

  @if $position == top {
    height: 1px;
    left: 0;
    right: 0;
    top: 0;

    @media only screen and (-webkit-min-device-pixel-ratio:2) {
      & {
        transform: scaleY(0.5);
        transform-origin: 50% 0%;
      }
    }
  } @else if $position == bottom {
    height: 1px;
    left: 0;
    right: 0;
    bottom: 0;

    @media only screen and (-webkit-min-device-pixel-ratio:2) {
      & {
        transform: scaleY(0.5);
        transform-origin: 50% 100%;
      }
    }
  } @else if $position == left {
    width: 1px;
    top: 0;
    bottom: 0;
    left: 0;

    @media only screen and (-webkit-min-device-pixel-ratio:2) {
      & {
        transform: scaleX(0.5);
        transform-origin: 0% 50%;
      }
    }
  } @else if $position == right {
    width: 1px;
    top: 0;
    bottom: 0;
    right: 0;

    @media only screen and (-webkit-min-device-pixel-ratio:2) {
      & {
        transform: scaleX(0.5);
        transform-origin: 100% 50%;
      }
    }
  } @else if $position == full {
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: none;
    border: 1px solid #ddd;
    border-color: $borderColor;

    @if $radius != 0 {
      border-radius: $radius;
    }

    @media only screen and (-webkit-min-device-pixel-ratio:2) {
      & {
        right: -100%;
        bottom: -100%;
        transform: scale(0.5);
        transform-origin: 0% 0%;

        $radiusx2: null;
        @each $i in $radius {
          $radiusx2: append($radiusx2, $i * 2);
        }

        @if $radius != 0 {
          border-radius: $radiusx2;
        }
      }
    }
  }
}

[booxood]

没问题先关闭了