<template>
	<view class="attachments">
		<image @click="previewImg([imgSrc],0)" class="attachmentsicon" :src="imgSrc" mode=""></image>
	</view>
</template>

<script>
	import {
		CommandGetImgByName
	} from '@/config/api.js'
	export default {
		data() {
			return {}
		},
		asyncComputed: {
			async imgSrc() {
				var data = 'data:image/png;base64,' + await this.GetImgByName()
				console.log(data)
				return data
			}
		},
		props: {
			show: {
				type: Boolean,
				default () {
					return true
				}
			},
			index: {
				type: Number,
				default () {
					return 0
				}
			},
			item: {
				type: Object,
				default () {
					return {
						AttachmentName: '',
						AttachmentPath: '',
						FileType: '',
						Sort: 0,
						ThumbnailPath: '',
						Remarks: ''
					}
				}
			}
		},
		methods: {
			previewImg(imgUrlList, index) {
				let _this = this;
				// #ifdef MP
				uni.previewImage({
					current: index - 1,
					urls: imgUrlList,
					indicator: 'number',
					loop: true
				});
				// #endif

				// #ifndef MP
				uni.previewImage({
					current: index - 1,
					urls: imgUrlList,
					indicator: 'number',
					loop: true
				});
				// #endif
			},
			async GetImgByName() {
				var that = this;
				var data = ''
				await CommandGetImgByName({
					params: {
						filename: that.item.AttachmentPath
					},
					custom: {
						auth: true
					}
				}).then(res => {
					if (res.Code == 200) {
						data = res.Data.FileData
					}
				}).catch(err => {

				})
				return data
			},
		}
	}
</script>

<style scoped lang="scss">
	.attachments {
		width: 148rpx;
		height: 148rpx;
		background: rgba(#A1A8B3, 0.1);
		border-radius: 8rpx;
		position: relative;
		display: flex;
		justify-content: center;
		align-items: center;
		flex-wrap: nowrap;
		flex-direction: column;
		align-content: flex-start;

		.attachmentsicon {
			width: 148rpx;
			height: 148rpx;
		}

		text {
			font-size: 22rpx;
			font-family: PingFangSC-Regular, PingFang SC;
			font-weight: 400;
			color: #9B9DB5;
			margin-top: 14rpx;
			overflow: hidden;
			white-space: nowrap;
			text-overflow: ellipsis;
			width: 100rpx;
		}
	}
</style>

使用

<ximage :item="item"></ximage>

Computed异步获取

Computed异步获取

大图预览

uniapp 大图预览