activitys-uniapp/components/uploadImg/uploadImg.vue

<template>
	<view class="">
		<view class="grid  grid-square flex-sub margin-top-50" :class="col?'col-'+col:'col-' + count">
			<view class="bg-img" v-for="(item,index) in imgList" :key="index" @tap="viewImage(index)">
				<image :src="imgList[index]" mode="aspectFill"></image>
				<view class="cu-tag bg-red" @tap.stop="delImg(index)">
					<text class='cuIcon-close' style="font-size: 18rpx;"></text>
				</view>
			</view>
			<view class="border" @click="uploadShopPics" v-if="imgList.length< count">
				<text class="cuIcon-add"></text>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		props: {
			count: {
				type: Number,
				default: 4
			},
			col:String
		},
		data() {
			return {
				imgList: []
			};
		},
		methods: {
			changeImgList(data){
				this.imgList=data
			},
			async uploadShopPics() {
				let resp = await this.$mpi.chooseImage()
				let res=await this.$api.uploadFile(resp[0])
				this.imgList.push(res.data.data.link)
				this.$emit('click',this.imgList)
			},
			viewImage(index) {
				uni.previewImage({
					urls: this.imgList,
					current: index
				});
			},
			delImg(index) {
				let _this = this
				uni.showModal({
					title: '提示',
					content: '确定删除',
					success: (res) => {
						if (res.confirm) {
							_this.imgList.splice(index, 1)
							_this.$emit('delImg',this.imgList)
						}
					}
				})
			},
		}
	};
</script>

<style lang="scss" scoped>
	.border {
		border: 4rpx dashed #e1e1e1;
		position: relative;
		display: flex;
		justify-content: center;
		align-items: center;
	}

	.icon {
		width: 50rpx;
		height: 50rpx;
		position: absolute;
		left: 0;
		right: 0;
		bottom: 0;
		top: 0;
		margin: auto;
	}
</style>