代码初始化
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wangchengjun
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<template>
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<div class="img">
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<a-upload
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name="file"
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listType="picture-card"
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:multiple="isMultiple"
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:action="uploadAction"
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:headers="headers"
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:data="{biz:bizPath}"
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:fileList="fileList"
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:beforeUpload="beforeUpload"
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:disabled="disabled"
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:isMultiple="isMultiple"
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:showUploadList="isMultiple"
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v-bind="$attrs"
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v-on="childListeners"
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@change="handleChange"
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@preview="handlePreview"
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:class="!isMultiple?'imgupload':''">
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<div :style="{'width':(!isMultiple?'104px':'auto'),'height':(!isMultiple?'104px':'auto')}">
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<img v-if="!isMultiple && picUrl" :src="getAvatarView()" style="width:100%;height:100%"/>
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<!--<img v-if="!isMultiple && picUrl" src="http://localhost:3000/jero-boot/sys/common/download/1379989167782797313?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJleHAiOjE2MTc4NTA1OTgsInVzZXJuYW1lIjoiYWRtaW4ifQ.1xRpivI0TzTqAnISJICNm-PoMxSDUITH5uaEcvwheIQ&fullfilename=3.jpeg" style="width:100%;height:100%"/>-->
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<div v-else class="iconp">
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<a-icon :type="uploadLoading ? 'loading' : 'plus'" />
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<div class="ant-upload-text">{{ text }}</div>
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</div>
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</div>
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</a-upload>
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</div>
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</template>
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<script>
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import Vue from 'vue'
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import { ACCESS_TOKEN } from "@/store/mutation-types"
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import { getFileAccessHttpUrl } from '@/api/manage'
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const Base64 = require('js-base64').Base64
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const uidGenerator=()=>{
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return '-'+parseInt(Math.random()*10000+1,10);
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}
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export default {
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name: 'JImageUpload',
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data(){
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return {
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uploadAction:window._CONFIG['domianURL']+"/sys/common/upload",
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uploadLoading:false,
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picUrl:false,
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headers:{},
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fileList: [],
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previewImage:"",
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}
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},
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props:{
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text:{
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type:String,
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required:false,
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default:"上传"
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},
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/*这个属性用于控制文件上传的业务路径*/
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bizPath:{
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type:String,
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required:false,
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default:"temp"
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},
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value:{
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type:[String,Array],
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required:false
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},
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disabled:{
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type:Boolean,
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required:false,
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default: false
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},
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isMultiple:{
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type:Boolean,
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required:false,
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default: false
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},
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//update-begin-author:wangshuai date:20201021 for:LOWCOD-969 新增number属性，用于判断上传数量
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number:{
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type:Number,
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required:false,
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default:0
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}
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//update-end-author:wangshuai date:20201021 for:LOWCOD-969 新增number属性，用于判断上传数量
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},
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computed: {
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//透传给下级组件的事件，需要排除本组件使用的change事件
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childListeners() {
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const vm = this;
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let result = Object.assign({},
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this.$listeners,
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)
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delete result.change;
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return result;
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}
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},
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watch:{
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value: {
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handler(val,oldValue) {
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if (val instanceof Array) {
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this.initFileList(val.join(','))
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} else {
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this.initFileList(val)
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}
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if(!val || val.length==0){
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this.picUrl = false;
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}
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},
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//立刻执行handler
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immediate: true
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}
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},
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created(){
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const token = Vue.ls.get(ACCESS_TOKEN);
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this.headers = {"X-Access-Token":token}
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},
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methods:{
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initFileList(paths){
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if(!paths || paths.length === 0){
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this.fileList = [];
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return;
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}
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this.picUrl = true;
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let arr = paths.split(",")
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for(var a=0;a<arr.length;a++){
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this.fileList.forEach((item)=>{
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if (item.url === arr[a]){
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item.uid = uidGenerator()
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item.response.status = 'history'
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}
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})
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}
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},
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beforeUpload: function(file){
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var fileType = file.type;
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if(fileType.indexOf('image')<0){
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this.$message.warning('请上传图片');
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return false;
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}
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},
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handleChange(info) {
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this.picUrl = false;
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let fileList = info.fileList
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//update-begin-author:wangshuai date:20201022 for:LOWCOD-969 判断number是否大于0和是否多选，返回选定的元素。
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if(this.number>0 && this.isMultiple){
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fileList = fileList.slice(-this.number);
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}
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//update-end-author:wangshuai date:20201022 for:LOWCOD-969 判断number是否大于0和是否多选，返回选定的元素。
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if(info.file.status==='done'){
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if(info.file.response.success){
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this.picUrl = true;
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fileList = fileList.map((file) => {
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if (file.response) {
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file.url = `${file.response.result.id}?token=${Vue.ls.get(ACCESS_TOKEN)}&fullfilename=${file.response.result.fileName}`;
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}
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return file;
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});
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}
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//this.$message.success(`${info.file.name} 上传成功!`);
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}else if (info.file.status === 'error') {
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this.$message.error(`${info.file.name} 上传失败.`);
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}else if(info.file.status === 'removed'){
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this.handleDelete(info.file)
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}
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this.fileList = fileList
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if(info.file.status==='done' || info.file.status === 'removed'){
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this.handlePathChange()
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}
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},
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// 预览
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handlePreview(file) {
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if (file && file.url) {
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var fileFullUrl = `${window._CONFIG['domianWebSocketURL']}/sys/common/download/${file.response.result.id}?token=${Vue.ls.get(ACCESS_TOKEN)}&fullfilename=${file.name}`
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let url = `${window._CONFIG['onlinePreviewDomainURL']}?url=${encodeURIComponent(Base64.encode(fileFullUrl))}`
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window.open(url)
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}
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},
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getAvatarView(){
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if(this.fileList.length>0){
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let url = this.fileList[this.fileList.length-1].url
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return getFileAccessHttpUrl(url)
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}
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},
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handlePathChange(){
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let uploadFiles = this.fileList
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let path = ''
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if(!uploadFiles || uploadFiles.length==0){
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path = ''
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}
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let arr = [];
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if(!this.isMultiple){
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arr.push(uploadFiles[uploadFiles.length-1].url)
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}else{
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for(let a=0;a<uploadFiles.length;a++){
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// update-begin-author:taoyan date:20200819 for:【开源问题z】上传图片组件 LOWCOD-783
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if(uploadFiles[a].status === 'done' ) {
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arr.push(uploadFiles[a].url)
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}else{
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return;
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}
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// update-end-author:taoyan date:20200819 for:【开源问题z】上传图片组件 LOWCOD-783
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}
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}
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if(arr.length>0){
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path = arr.join(",")
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}
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this.$emit('change', path);
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},
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handleDelete(file){
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//如有需要新增 删除逻辑
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},
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handleCancel() {
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this.close();
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this.previewVisible = false;
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},
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close () {
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},
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},
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model: {
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prop: 'value',
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event: 'change'
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}
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}
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</script>
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<style scoped>
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/deep/ .imgupload .ant-upload-select{display:block}
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/deep/ .imgupload .ant-upload.ant-upload-select-picture-card{ width:120px;height: 120px;}
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/deep/ .imgupload .iconp{padding:32px;}
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/* update--end--autor:lvdandan-----date:20201016------for：j-image-upload图片组件单张图片详情回显空白*/
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</style>
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