<!--
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* @Descripttion: 资源文件选择器
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* @version: 1.0
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* @Author: sakuya
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* @Date: 2021年10月11日16:01:40
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* @LastEditors:
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* @LastEditTime:
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-->
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<template>
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<div class="sc-file-select">
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<div class="sc-file-select__side" v-loading="menuLoading">
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<div class="sc-file-select__side-menu">
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<el-tree ref="group" class="menu" :data="menu" :node-key="treeProps.key" :props="treeProps" :current-node-key="menu.length>0?menu[0][treeProps.key]:''" highlight-current @node-click="groupClick">
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<template #default="{ node }">
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<span class="el-tree-node__label">
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<el-icon class="icon"><el-icon-folder /></el-icon>{{node.label}}
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</span>
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</template>
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</el-tree>
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</div>
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<div class="sc-file-select__side-msg" v-if="multiple">
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已选择 <b>{{value.length}}</b> / <b>{{max}}</b> 项
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</div>
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</div>
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<div class="sc-file-select__files" v-loading="listLoading">
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<div class="sc-file-select__top">
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<div class="upload" v-if="!hideUpload">
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<el-upload class="sc-file-select__upload" action="" multiple :show-file-list="false" :accept="accept" :on-change="uploadChange" :before-upload="uploadBefore" :on-progress="uploadProcess" :on-success="uploadSuccess" :on-error="uploadError" :http-request="uploadRequest">
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<el-button type="primary" icon="el-icon-upload">本地上传</el-button>
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</el-upload>
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<span class="tips"><el-icon><el-icon-warning /></el-icon>大小不超过{{maxSize}}MB</span>
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</div>
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<div class="keyword">
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<el-input v-model="keyword" prefix-icon="el-icon-search" placeholder="文件名搜索" clearable @keyup.enter="search" @clear="search"></el-input>
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</div>
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</div>
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<div class="sc-file-select__list">
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<el-scrollbar ref="scrollbar">
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<el-empty v-if="fileList.length==0 && data.length==0" description="无数据" :image-size="80"></el-empty>
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<div v-for="(file, index) in fileList" :key="index" class="sc-file-select__item">
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<div class="sc-file-select__item__file">
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<div class="sc-file-select__item__upload">
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<el-progress type="circle" :percentage="file.progress" :width="70"></el-progress>
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</div>
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<el-image :src="file.tempImg" fit="contain"></el-image>
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</div>
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<p>{{file.name}}</p>
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</div>
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<div v-for="item in data" :key="item[fileProps.key]" class="sc-file-select__item" :class="{active: value.includes(item[fileProps.url]) }" @click="select(item)">
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<div class="sc-file-select__item__file">
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<div class="sc-file-select__item__checkbox" v-if="multiple">
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<el-icon><el-icon-check /></el-icon>
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</div>
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<div class="sc-file-select__item__select" v-else>
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<el-icon><el-icon-check /></el-icon>
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</div>
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<div class="sc-file-select__item__box"></div>
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<el-image v-if="_isImg(item[fileProps.url])" :src="item[fileProps.url]" fit="contain" lazy></el-image>
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<div v-else class="item-file item-file-doc">
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<i v-if="files[_getExt(item[fileProps.url])]" :class="files[_getExt(item[fileProps.url])].icon" :style="{color:files[_getExt(item[fileProps.url])].color}"></i>
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<i v-else class="sc-icon-file-list-fill" style="color: #999;"></i>
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</div>
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</div>
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<p :title="item[fileProps.fileName]">{{item[fileProps.fileName]}}</p>
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</div>
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</el-scrollbar>
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</div>
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<div class="sc-file-select__pagination">
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<el-pagination small background layout="prev, pager, next" :total="total" :page-size="pageSize" v-model:currentPage="currentPage" @current-change="reload"></el-pagination>
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</div>
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<div class="sc-file-select__do">
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<slot name="do"></slot>
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<el-button type="primary" :disabled="value.length<=0" @click="submit">确 定</el-button>
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</div>
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</div>
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</div>
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</template>
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<script>
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import config from "@/config/fileSelect"
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export default {
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props: {
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modelValue: null,
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hideUpload: { type: Boolean, default: false },
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multiple: { type: Boolean, default: false },
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max: {type: Number, default: config.max},
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onlyImage: { type: Boolean, default: false },
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maxSize: {type: Number, default: config.maxSize},
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},
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data() {
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return {
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keyword: null,
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pageSize: 20,
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total: 0,
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currentPage: 1,
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data: [],
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menu: [],
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menuId: '',
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value: this.multiple ? [] : '',
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fileList: [],
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accept: this.onlyImage ? "image/gif, image/jpeg, image/png" : "",
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listLoading: false,
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menuLoading: false,
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treeProps: config.menuProps,
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fileProps: config.fileProps,
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files: config.files
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}
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},
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watch: {
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multiple(){
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this.value = this.multiple ? [] : ''
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this.$emit('update:modelValue', JSON.parse(JSON.stringify(this.value)));
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}
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},
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mounted() {
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this.getMenu()
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this.getData()
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},
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methods: {
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//获取分类数据
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async getMenu(){
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this.menuLoading = true
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var res = await config.menuApiObj.get()
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this.menu = res.data
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this.menuLoading = false
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},
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//获取列表数据
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async getData(){
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this.listLoading = true
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var reqData = {
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[config.request.menuKey]: this.menuId,
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[config.request.page]: this.currentPage,
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[config.request.pageSize]: this.pageSize,
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[config.request.keyword]: this.keyword
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}
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if(this.onlyImage){
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reqData.type = 'image'
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}
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var res = await config.listApiObj.get(reqData)
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var parseData = config.listParseData(res)
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this.data = parseData.rows
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this.total = parseData.total
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this.listLoading = false
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this.$refs.scrollbar.setScrollTop(0)
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},
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//树点击事件
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groupClick(data){
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this.menuId = data.id
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this.currentPage = 1
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this.keyword = null
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this.getData()
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},
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//分页刷新表格
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reload(){
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this.getData()
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},
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search(){
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this.currentPage = 1
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this.getData()
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},
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select(item){
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const itemUrl = item[this.fileProps.url]
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if(this.multiple){
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if(this.value.includes(itemUrl)){
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this.value.splice(this.value.findIndex(f => f == itemUrl), 1)
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}else{
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this.value.push(itemUrl)
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}
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}else{
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if(this.value.includes(itemUrl)){
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this.value = ''
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}else{
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this.value = itemUrl
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}
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}
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},
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submit(){
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const value = JSON.parse(JSON.stringify(this.value))
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this.$emit('update:modelValue', value);
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this.$emit('submit', value);
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},
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//上传处理
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uploadChange(file, fileList){
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file.tempImg = URL.createObjectURL(file.raw);
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this.fileList = fileList
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},
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uploadBefore(file){
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const maxSize = file.size / 1024 / 1024 < this.maxSize;
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if (!maxSize) {
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this.$message.warning(`上传文件大小不能超过 ${this.maxSize}MB!`);
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return false;
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}
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},
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uploadRequest(param){
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var apiObj = config.apiObj;
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const data = new FormData();
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data.append("file", param.file);
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data.append([config.request.menuKey], this.menuId);
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apiObj.post(data, {
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onUploadProgress: e => {
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param.onProgress(e)
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}
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}).then(res => {
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param.onSuccess(res)
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}).catch(err => {
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param.onError(err)
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})
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},
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uploadProcess(event, file){
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file.progress = Number((event.loaded / event.total * 100).toFixed(2))
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},
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uploadSuccess(res, file){
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this.fileList.splice(this.fileList.findIndex(f => f.uid == file.uid), 1)
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var response = config.uploadParseData(res);
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this.data.unshift({
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[this.fileProps.key]: response.id,
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[this.fileProps.fileName]: response.fileName,
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[this.fileProps.url]: response.url
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})
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if(!this.multiple){
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this.value = response.url
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}
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},
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uploadError(err){
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this.$notify.error({
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title: '上传文件错误',
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message: err
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})
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},
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//内置函数
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_isImg(fileUrl){
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const imgExt = ['.jpg', '.jpeg', '.png', '.gif', '.bmp']
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const fileExt = fileUrl.substring(fileUrl.lastIndexOf("."))
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return imgExt.indexOf(fileExt) != -1
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},
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_getExt(fileUrl){
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return fileUrl.substring(fileUrl.lastIndexOf(".") + 1)
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}
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}
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}
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</script>
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<style scoped>
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.sc-file-select {display: flex;}
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.sc-file-select__files {flex: 1;}
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.sc-file-select__list {height:400px;}
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.sc-file-select__item {display: inline-block;float: left;margin:0 15px 25px 0;width:110px;cursor: pointer;}
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.sc-file-select__item__file {width:110px;height:110px;position: relative;}
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.sc-file-select__item__file .el-image {width:110px;height:110px;}
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.sc-file-select__item__box {position: absolute;top:0;right:0;bottom:0;left:0;border: 2px solid var(--el-color-success);z-index: 1;display: none;}
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.sc-file-select__item__box::before {content: '';position: absolute;top:0;right:0;bottom:0;left:0;background: var(--el-color-success);opacity: 0.2;display: none;}
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.sc-file-select__item:hover .sc-file-select__item__box {display: block;}
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.sc-file-select__item.active .sc-file-select__item__box {display: block;}
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.sc-file-select__item.active .sc-file-select__item__box::before {display: block;}
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.sc-file-select__item p {margin-top: 10px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;-webkit-text-overflow:ellipsis;text-align: center;}
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.sc-file-select__item__checkbox {position: absolute;width: 20px;height: 20px;top:7px;right:7px;z-index: 2;background: rgba(0,0,0,0.2);border: 1px solid #fff;display: flex;flex-direction: column;align-items: center;justify-content: center;}
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.sc-file-select__item__checkbox i {font-size: 14px;color: #fff;font-weight: bold;display: none;}
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.sc-file-select__item__select {position: absolute;width: 20px;height: 20px;top:0px;right:0px;z-index: 2;background: var(--el-color-success);display: none;flex-direction: column;align-items: center;justify-content: center;}
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.sc-file-select__item__select i {font-size: 14px;color: #fff;font-weight: bold;}
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.sc-file-select__item.active .sc-file-select__item__checkbox {background: var(--el-color-success);}
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.sc-file-select__item.active .sc-file-select__item__checkbox i {display: block;}
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.sc-file-select__item.active .sc-file-select__item__select {display: flex;}
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.sc-file-select__item__file .item-file {width:110px;height:110px;display: flex;flex-direction: column;align-items: center;justify-content: center;}
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.sc-file-select__item__file .item-file i {font-size: 40px;}
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.sc-file-select__item__file .item-file.item-file-doc {color: #409eff;}
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.sc-file-select__item__upload {position: absolute;top:0;right:0;bottom:0;left:0;z-index: 1;background: rgba(255,255,255,0.7);display: flex;flex-direction: column;align-items: center;justify-content: center;}
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.sc-file-select__side {width: 200px;margin-right: 15px;border-right: 1px solid rgba(128,128,128,0.2);display: flex;flex-flow: column;}
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.sc-file-select__side-menu {flex: 1;}
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.sc-file-select__side-msg {height:32px;line-height: 32px;}
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.sc-file-select__top {margin-bottom: 15px;display: flex;justify-content: space-between;}
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.sc-file-select__upload {display: inline-block;}
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.sc-file-select__top .tips {font-size: 12px;margin-left: 10px;color: #999;}
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.sc-file-select__top .tips i {font-size: 14px;margin-right: 5px;position: relative;bottom: -0.125em;}
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.sc-file-select__pagination {margin:15px 0;}
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.sc-file-select__do {text-align: right;}
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</style>
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