[新增] 头像重叠组件

components/lf-nolanPhoto/lf-nolanPhoto.vue

@@ -0,0 +1,100 @@
+<template>
+	<view class="content">
+		<block v-if="show">
+			<view class="image-item" 
+				v-for="(item, index) in list" :key="index" 
+				v-if="(index+1) < count"
+				@click="clickImage(index)">
+				<image :src="item"></image>
+			</view>
+			<view class="image-item image-surplus" 
+				:style="{'background': themeColor}" 
+				v-if="list.length > count">
+				<text>{{ surplusNum }}</text>
+			</view>
+		</block>
+	</view>
+</template>
+
+<script>
+	export default {
+		props: {
+			list: {
+				type: Array,
+				default: function(){
+					return [
+						"https://picsum.photos/200",
+						"https://picsum.photos/210",
+						"https://picsum.photos/220",
+						"https://picsum.photos/230",
+						"https://picsum.photos/240"
+					]
+				}
+			},
+			themeColor: {
+				type: String,
+				default: '#E21196'
+			}
+		},
+		data(){
+			return {
+				show: false,
+				count: 0
+			}
+		},
+		computed: {
+			surplusNum(){
+				let num = this.$props.list.length - this.count;
+				num = Math.floor(num);
+				num = num > 99 ? '99+' : '+'+ num;
+				return num;
+			}
+		},
+		mounted(){
+			let that = this;
+			let info = uni.createSelectorQuery().in(this).select(".content");
+			info.boundingClientRect(function(data) { 
+				let count = Math.floor( parseInt(data.width) / 23 - 1 ); // 预留一个位置出来
+				that.count = count; 
+				that.show = true;
+			}).exec();
+		},
+		methods: {
+			clickImage(index){
+				this.$emit('click', index);
+			}
+		}
+	}
+</script>
+
+<style lang="scss" scoped="scoped">
+	.content{
+		display: flex;
+		flex-wrap: nowrap;
+		width: 100%;
+		height: max-content;
+		margin-top: 20rpx;
+		.image-item{
+			width: 60rpx;
+			height: 60rpx;
+			border-radius: 50%;
+			border: 2rpx solid #FFFFFF;
+			overflow: hidden;
+			&:nth-child(n+2){
+				margin-left: -16rpx;
+			}
+			image{
+				width: 100%;
+				height: 100%;
+			}
+		}
+		.image-surplus{
+			border: none;
+			display: flex;
+			justify-content: center;
+			align-items: center;
+			color: #FFFFFF;
+			font-size: 20rpx;
+		}
+	}
+</style>