104 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
		
		
			
		
	
	
			104 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Vue
		
	
	
	
	
	
|  | <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> |