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<template> <view class="u-avatar-group"> <view class="u-avatar-group__item" v-for="(item, index) in showUrl" :key="index" :style="{ marginLeft: index === 0 ? 0 : $u.addUnit(-size * gap) }" > <u-avatar :size="size" :shape="shape" :mode="mode" :src="$u.test.object(item) ? keyName && item[keyName] || item.url : item" ></u-avatar> <view class="u-avatar-group__item__show-more" v-if="showMore && index === showUrl.length - 1 && (urls.length > maxCount || extraValue > 0)" @tap="clickHandler" > <u--text color="#ffffff" :size="size * 0.4" :text="`+${extraValue || urls.length - showUrl.length}`" align="center" customStyle="justify-content: center" ></u--text> </view> </view> </view> </template>
<script> import props from './props.js'; /** * AvatarGroup 头像组 * @description 本组件一般用于展示头像的地方,如个人中心,或者评论列表页的用户头像展示等场所。 * @tutorial https://www.uviewui.com/components/avatar.html
* * @property {Array} urls 头像图片组 (默认 [] ) * @property {String | Number} maxCount 最多展示的头像数量 ( 默认 5 ) * @property {String} shape 头像形状( 'circle' (默认) | 'square' ) * @property {String} mode 图片裁剪模式(默认 'scaleToFill' ) * @property {Boolean} showMore 超出maxCount时是否显示查看更多的提示 (默认 true ) * @property {String | Number} size 头像大小 (默认 40 ) * @property {String} keyName 指定从数组的对象元素中读取哪个属性作为图片地址 * @property {String | Number} gap 头像之间的遮挡比例(0.4代表遮挡40%) (默认 0.5 ) * @property {String | Number} extraValue 需额外显示的值 * @event {Function} showMore 头像组更多点击 * @example <u-avatar-group:urls="urls" size="35" gap="0.4" ></u-avatar-group:urls=> */ export default { name: 'u-avatar-group', mixins: [uni.$u.mpMixin, uni.$u.mixin, props], data() { return {
} }, computed: { showUrl() { return this.urls.slice(0, this.maxCount) } }, methods: { clickHandler() { this.$emit('showMore') } }, } </script>
<style lang="scss" scoped> @import "../../libs/css/components.scss";
.u-avatar-group { @include flex;
&__item { margin-left: -10px; position: relative;
&--no-indent { // 如果你想质疑作者不会使用:first-child,说明你太年轻,因为nvue不支持
margin-left: 0; }
&__show-more { position: absolute; top: 0; bottom: 0; left: 0; right: 0; background-color: rgba(0, 0, 0, 0.3); @include flex; align-items: center; justify-content: center; border-radius: 100px; } } } </style>
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