97 lines
1.8 KiB
Vue
97 lines
1.8 KiB
Vue
<template>
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<image :src="imgUrlShow" fit="cover"></image>
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</template>
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<script>
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import {previewFile, previewCacheThumbImage} from'@/api/common.js'
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import {get_base_url} from '@/api/request.js'
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export default {
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name:"image-preview",
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props:{
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imgId:{
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default:'',
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type:String
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},
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src:{
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default:'',
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type:String
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},
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width:{
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default:50,
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type:[String, Number]
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},
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height:{
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default:50,
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type:[String, Number]
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},
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isCache:{
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type: Boolean,
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default: false
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}
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},
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data() {
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return {
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imgUrlShow: '',
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watching: false,
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base_url: get_base_url()
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};
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},
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watch: {
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imgId: {
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handler(newval, oldval) {
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if (newval && this.watching) {
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this.getPreviewUrlBlob(newval);
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}
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},
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immediate: true,
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deep: true,
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},
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src: {
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handler(newval, oldval) {
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if (newval && this.watching) {
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this.imgUrlShow = this.base_url + this.src
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}
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},
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immediate: true,
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deep: true,
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}
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},
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methods: {
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getPreviewUrlBlob(id) {
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if (id === null) {
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console.log('谢谢谢谢谢谢', id);
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}
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if(this.isCache){
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previewCacheThumbImage(id, this.width,this.height).then((res) => {
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this.imgUrlShow = res;
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});
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}else{
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previewFile(id).then((result) => {
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//#ifdef APP-PLUS
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let _header = result.header['Content-Type'].split(';')[0]
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// #endif
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//#ifndef APP-PLUS
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let _header = result.header['content-type'].split(';')[0]
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// #endif
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let base64 = `data:${_header};base64,` + uni.arrayBufferToBase64(result.data)
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this.imgUrlShow = base64;
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});
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}
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},
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},
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mounted() {
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if (this.imgId) {
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this.getPreviewUrlBlob(this.imgId);
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}
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this.watching = true
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if(this.src) {
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this.imgUrlShow = this.base_url + this.src
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}
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}
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}
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</script>
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<style>
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</style> |