app/sheep/scss/_tools.scss

/* ==================
          常用工具
 ==================== */

.ss-bg-opactity-block {
  background-color: rgba(#000, 0.2);
  color: #fff;
}

/* ==================
          flex布局
 ==================== */

.ss-flex {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.ss-flex-1 {
  flex: 1;
}

.ss-flex-col {
  display: flex;
  flex-direction: column;
}

.ss-flex-wrap {
  flex-wrap: wrap;
}

.ss-flex-nowrap {
  flex-wrap: nowrap;
}

.ss-col-center {
  align-items: center;
}

.ss-col-top {
  align-items: flex-start;
}

.ss-col-bottom {
  align-items: flex-end;
}

.ss-col-stretch {
  align-items: stretch;
}

.ss-row-center {
  justify-content: center;
}

.ss-row-left {
  justify-content: flex-start;
}

.ss-row-right {
  justify-content: flex-end;
}

.ss-row-between {
  justify-content: space-between;
}

.ss-row-around {
  justify-content: space-around;
}

.ss-self-start {
  align-self: flex-start;
}

.ss-self-end {
  align-self: flex-end;
}

.ss-self-center {
  align-self: center;
}
.ss-h-100 {
  height: 100%;
}
.ss-w-100 {
  width: 100%;
}

/* ==================

    margin padding: 内外边距
	
 ==================== */
@for $i from 0 through 100 {
  // 只要双数和能被5除尽的数
  @if $i % 2==0 or $i % 5==0 {
    // 得出：u-margin-30或者u-m-30
    .ss-margin-#{$i},
    .ss-m-#{$i} {
      margin: $i + rpx;
    }
    .ss-m-x-#{$i} {
      margin-left: $i + rpx;
      margin-right: $i + rpx;
    }
    .ss-m-y-#{$i} {
      margin-top: $i + rpx;
      margin-bottom: $i + rpx;
    }

    // 得出：u-padding-30或者u-p-30
    .ss-padding-#{$i},
    .ss-p-#{$i} {
      padding: $i + rpx;
    }
    .ss-p-x-#{$i} {
      padding-left: $i + rpx;
      padding-right: $i + rpx;
    }
    .ss-p-y-#{$i} {
      padding-top: $i + rpx;
      padding-bottom: $i + rpx;
    }

    @each $short, $long in l left, t top, r right, b bottom {
      // 缩写版，结果如： u-m-l-30
      // 定义外边距
      .ss-m-#{$short}-#{$i} {
        margin-#{$long}: $i + rpx;
      }

      // 定义内边距
      .ss-p-#{$short}-#{$i} {
        padding-#{$long}: $i + rpx;
      }

      // 完整版，结果如：u-margin-left-30
      // 定义外边距
      .ss-margin-#{$long}-#{$i} {
        margin-#{$long}: $i + rpx;
      }

      // 定义内边距
      .ss-padding-#{$long}-#{$i} {
        padding-#{$long}: $i + rpx;
      }
    }
  }
}

/* ==================

    radius
	
 ==================== */
@for $i from 0 through 100 {
  // 只要双数和能被5除尽的数
  @if $i % 2==0 or $i % 5==0 {
    .ss-radius-#{$i},
    .ss-r-#{$i} {
      border-radius: $i + rpx;
    }

    .ss-r-t-#{$i} {
      border-top-left-radius: $i + rpx;
      border-top-right-radius: $i + rpx;
    }

    .ss-r-b-#{$i} {
      border-bottom-left-radius: $i + rpx;
      border-bottom-right-radius: $i + rpx;
    }

    @each $short, $long in tl 'top-left', tr 'top-right', bl 'bottom-right', br 'bottom-right' {
      // 定义外边距
      .ss-r-#{$short}-#{$i} {
        border-#{$long}-radius: $i + rpx;
      }

      // 定义内边距
      .ss-radius-#{$long}-#{$i} {
        border-#{$long}-radius: $i + rpx;
      }
    }
  }
}

/* ==================

    溢出省略号
    @param {Number} 行数
	
 ==================== */
@mixin ellipsis($rowCount: 1) {
  // @if $rowCount <=1 {
  //   overflow: hidden;
  //   text-overflow: ellipsis;
  //   white-space: nowrap;
  // } @else {
  //   min-width: 0;
  //   overflow: hidden;
  //   text-overflow: ellipsis;
  //   display: -webkit-box;
  //   -webkit-line-clamp: $rowCount;
  //   -webkit-box-orient: vertical;
  // }
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: $rowCount;
  -webkit-box-orient: vertical;
}

@for $i from 1 through 6 {
  .ss-line-#{$i} {
    @include ellipsis($i);
  }
}

/* ==================
    hover
 ==================== */
.ss-hover-class {
  background-color: $gray-c;
  opacity: 0.6;
}
.ss-hover-btn {
  transform: translate(1px, 1px);
}

/* ==================
    底部安全区域
 ==================== */

.ss-safe-bottom {
  padding-bottom: 0;
  padding-bottom: calc(constant(safe-area-inset-bottom) / 5 * 3);
  padding-bottom: calc(env(safe-area-inset-bottom) / 5 * 3);
}

/* ==================

    字体大小
	
 ==================== */

@for $i from 20 through 50 {
  .ss-font-#{$i} {
    font-size: $i + rpx;
  }
}

/* ==================
    按钮
 ==================== */
.ss-reset-button {
  padding: 0;
  margin: 0;
  font-size: inherit;
  background-color: transparent;
  color: inherit;
  position: relative;
  border: 0rpx;
  /* #ifndef APP-NVUE */
  display: flex;
  /* #endif */
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  vertical-align: baseline;
  transform: translate(0, 0);
}
.ss-reset-button.button-hover {
  transform: translate(1px, 1px);
  background: none;
}

.ss-reset-button::after {
  border: none;
}