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uni_modules/wot-design-uni/components/wd-col/wd-col.vue

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+<template>
+  <view :class="['wd-col', span && 'wd-col__' + span, offset && 'wd-col__offset-' + offset, customClass]" :style="rootStyle">
+    <!-- 每一列 -->
+    <slot />
+  </view>
+</template>
+<script lang="ts">
+export default {
+  name: 'wd-col',
+  options: {
+    addGlobalClass: true,
+    virtualHost: true,
+    styleIsolation: 'shared'
+  }
+}
+</script>
+
+<script lang="ts" setup>
+import { computed, watch } from 'vue'
+import { useParent } from '../composables/useParent'
+import { ROW_KEY } from '../wd-row/types'
+import { colProps } from './types'
+import { isDef } from '../common/util'
+
+const props = defineProps(colProps)
+const { parent: row } = useParent(ROW_KEY)
+
+const rootStyle = computed(() => {
+  const gutter = isDef(row) ? row.props.gutter || 0 : 0
+  const padding = `${gutter / 2}px`
+  const style = gutter > 0 ? `padding-left: ${padding}; padding-right: ${padding};background-clip: content-box;` : ''
+  return `${style}${props.customStyle}`
+})
+
+watch([() => props.span, () => props.offset], () => {
+  check()
+})
+
+function check() {
+  const { span, offset } = props
+  if (span < 0 || offset < 0) {
+    console.error('[wot-design] warning(wd-col): attribute span/offset must be greater than or equal to 0')
+  }
+}
+</script>
+
+<style lang="scss" scoped>
+@import './index.scss';
+</style>