cansnow
96 lines
2.1 KiB
Vue
96 lines
2.1 KiB
Vue
<template>
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<view class="picture_message_container" @click="clickMediaItem">
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<u--image
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:showLoading="true"
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width="120"
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:height="maxHeight"
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mode="widthFix"
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v-if="src"
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:src="src"
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@load="onLoaded"
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@click="clickMediaItem">
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<template v-slot:loading>
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<u-loading-icon color="red"></u-loading-icon>
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</template>
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</u--image>
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<u--image
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v-else
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:showLoading="true"
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width="120"
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mode="widthFix"
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src="/static/images/sync_error.png">
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</u--image>
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</view>
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</template>
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<script>
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import util from "@/util"
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import md5 from "md5";
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export default {
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name: "PictureMessageContainer",
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props: {
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message: Object,
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conversationID:String,
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},
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data() {
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//console.log(this.message);
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return {
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loadingWidth: "120px",
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src:"",
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coverCachePath:"",
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coverDownloading:false,
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coverExists:false,
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coverDownloadProgress:"",
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};
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},
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computed: {
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maxHeight() {
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const imageHeight = this.message.pictureElem.sourcePicture.height;
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const imageWidth = this.message.pictureElem.sourcePicture.width;
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const aspectRatio = imageHeight / imageWidth;
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return 120 * aspectRatio;
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},
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},
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created() {
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this.init();
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},
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methods: {
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async init(){
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const self = this;
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let url = "";
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// 如果有远程 snapshotUrl，则下载到 coverCachePath
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const snapshotUrl = (this.message.pictureElem.snapshotPicture?.url ?? this.message.pictureElem.sourcePath );
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const key = md5(snapshotUrl || '');
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this.coverCachePath = `${this.conversationID}/img_${key}.jpg`;
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util.cacheFile(snapshotUrl,this.coverCachePath,(e)=>{
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self.coverDownloading = false;
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self.src = coverCachePath;
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console.log(e);
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},(e)=>{
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console.log(e);
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},(e)=>{
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console.log(e);
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});
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},
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clickMediaItem() {
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uni.previewImage({
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current: 0,
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//urls: [this.message.pictureElem.sourcePicture.url],
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urls: ["_doc/"+this.coverCachePath],
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indicator: "none",
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});
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},
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onLoaded() {
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this.loadingWidth = "auto";
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},
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},
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};
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</script>
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<style lang="scss" scoped>
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.picture_message_container {
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position: relative;
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border-radius: 16rpx;
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overflow: hidden;
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}
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</style> |