<template>
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<div class="sc-upload" :class="{'sc-upload-round':round}" :style="style">
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<div v-if="file && file.status != 'success'" class="sc-upload__uploading">
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<div class="sc-upload__progress">
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<el-progress :percentage="file.percentage" :text-inside="true" :stroke-width="16"/>
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</div>
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<el-image class="image" :src="file.tempFile" fit="cover"></el-image>
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</div>
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<div v-if="file && file.status=='success'" class="sc-upload__img">
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<el-image class="image" :src="file.url" :preview-src-list="[file.url]" fit="cover" hide-on-click-modal append-to-body :z-index="9999">
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<template #placeholder>
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<div class="sc-upload__img-slot">
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Loading...
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</div>
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</template>
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</el-image>
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<div class="sc-upload__img-actions" v-if="!disabled">
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<span class="del" @click="handleRemove()"><el-icon><el-icon-delete /></el-icon></span>
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</div>
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</div>
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<el-upload v-if="!file" class="uploader" ref="uploader"
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:auto-upload="cropper?false:autoUpload"
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:disabled="disabled"
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:show-file-list="showFileList"
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:action="action"
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:name="name"
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:data="data"
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:accept="accept"
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:limit="1"
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:http-request="request"
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:on-change="change"
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:before-upload="before"
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:on-success="success"
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:on-error="error"
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:on-exceed="handleExceed">
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<slot>
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<div class="el-upload--picture-card">
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<div class="file-empty">
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<el-icon><component :is="icon" /></el-icon>
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<h4 v-if="title">{{title}}</h4>
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</div>
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</div>
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</slot>
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</el-upload>
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<span style="display:none!important"><el-input v-model="value"></el-input></span>
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<el-dialog title="剪裁" draggable v-model="cropperDialogVisible" :width="580" @closed="cropperClosed" destroy-on-close>
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<sc-cropper :src="cropperFile.tempCropperFile" :compress="compress" :aspectRatio="aspectRatio" ref="cropper"></sc-cropper>
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<template #footer>
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<el-button @click="cropperDialogVisible=false" >取 消</el-button>
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<el-button type="primary" @click="cropperSave">确 定</el-button>
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</template>
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</el-dialog>
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</div>
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</template>
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<script>
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import { defineAsyncComponent } from 'vue'
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import { genFileId } from 'element-plus'
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const scCropper = defineAsyncComponent(() => import('@/components/scCropper'))
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import config from "@/config/upload"
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export default {
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props: {
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modelValue: { type: String, default: "" },
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height: {type: Number, default: 148},
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width: {type: Number, default: 148},
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title: { type: String, default: "" },
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icon: { type: String, default: "el-icon-plus" },
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action: { type: String, default: "" },
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apiObj: { type: Object, default: () => {} },
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name: { type: String, default: config.filename },
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data: { type: Object, default: () => {} },
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accept: { type: String, default: "image/gif, image/jpeg, image/png" },
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maxSize: { type: Number, default: config.maxSizeFile },
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limit: { type: Number, default: 1 },
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autoUpload: { type: Boolean, default: true },
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showFileList: { type: Boolean, default: false },
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disabled: { type: Boolean, default: false },
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round: { type: Boolean, default: false },
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onSuccess: { type: Function, default: () => { return true } },
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host: {type: String, default: ''},
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cropper: { type: Boolean, default: false },
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compress: {type: Number, default: 1},
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aspectRatio: {type: Number, default: NaN}
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},
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components: {
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scCropper
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},
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data() {
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return {
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value: "",
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file: null,
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style: {
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width: this.width + "px",
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height: this.height + "px"
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},
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cropperDialogVisible: false,
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cropperFile: null,
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hostNew: ''
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}
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},
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watch:{
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modelValue(val){
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this.value = val
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this.newFile(val)
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},
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value(val){
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this.$emit('update:modelValue', val)
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}
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},
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mounted() {
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this.getHost().then(res => {
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this.value = this.modelValue
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this.newFile(this.modelValue)
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})
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},
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methods: {
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getHost () {
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if (this.host) return this.hostNew = this.host
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return this.$API.setting.component.getImgHost.get().then(res => {
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this.hostNew = res.data + '/visual/'
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})
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},
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newFile(url){
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if(url){
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this.file = {
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status: "success",
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url: `${this.hostNew}${url}`
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}
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}else{
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this.file = null
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}
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},
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cropperSave(){
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this.$refs.cropper.getCropFile(file => {
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file.uid = this.cropperFile.uid
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this.cropperFile.raw = file
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this.file = this.cropperFile
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this.file.tempFile = URL.createObjectURL(this.file.raw)
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this.$refs.uploader.submit()
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}, this.cropperFile.name, this.cropperFile.type)
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this.cropperDialogVisible = false
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},
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cropperClosed(){
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URL.revokeObjectURL(this.cropperFile.tempCropperFile)
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delete this.cropperFile.tempCropperFile
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},
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handleRemove(){
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this.clearFiles()
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},
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clearFiles(){
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URL.revokeObjectURL(this.file.tempFile)
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this.value = ""
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this.file = null
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this.$nextTick(()=>{
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this.$refs.uploader.clearFiles()
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})
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},
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change(file,files){
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if(files.length > 1){
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files.splice(0, 1)
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}
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if(this.cropper && file.status=='ready'){
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const acceptIncludes = ["image/gif", "image/jpeg", "image/png"].includes(file.raw.type)
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if(!acceptIncludes){
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this.$notify.warning({
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title: '上传文件警告',
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message: '选择的文件非图像类文件'
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})
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return false
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}
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this.cropperFile = file
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this.cropperFile.tempCropperFile = URL.createObjectURL(file.raw)
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this.cropperDialogVisible = true
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return false
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}
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this.file = file
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if(file.status=='ready'){
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file.tempFile = URL.createObjectURL(file.raw)
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}
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},
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before(file){
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const acceptIncludes = this.accept.replace(/\s/g,"").split(",").includes(file.type)
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if(!acceptIncludes){
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this.$notify.warning({
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title: '上传文件警告',
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message: '选择的文件非图像类文件'
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})
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this.clearFiles()
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return false
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}
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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 ${this.maxSize}MB!`);
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this.clearFiles()
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return false
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}
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},
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handleExceed(files){
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const file = files[0]
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file.uid = genFileId()
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this.$refs.uploader.handleStart(file)
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},
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success(res, file){
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//释放内存删除blob
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URL.revokeObjectURL(file.tempFile)
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try {
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delete file.tempFile
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} catch (error) {
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}
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var os = this.onSuccess(res, file)
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if(os!=undefined && os==false){
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this.$nextTick(() => {
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this.file = null
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this.value = ""
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})
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return false
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}
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var response = config.parseData(res)
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file.url = response.src
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this.value = file.url
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},
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error(err){
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this.$nextTick(()=>{
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this.clearFiles()
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})
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this.$notify.error({
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title: '上传文件未成功',
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message: err
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})
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},
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request(param){
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var apiObj = config.apiObj;
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if(this.apiObj){
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apiObj = this.apiObj;
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}
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const data = new FormData();
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data.append(param.filename, param.file);
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for (const key in param.data) {
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data.append(key, param.data[key]);
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}
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apiObj.post(data, {
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onUploadProgress: e => {
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const complete = parseInt(((e.loaded / e.total) * 100) | 0, 10)
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param.onProgress({percent: complete})
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}
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}).then(res => {
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var response = config.parseData(res);
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if(response.code == config.successCode){
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param.onSuccess(res)
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}else{
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param.onError(response.msg || "未知错误")
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}
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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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}
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}
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</script>
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<style scoped>
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.el-form-item.is-error .sc-upload .el-upload--picture-card {border-color: var(--el-color-danger);}
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.sc-upload .el-upload--picture-card {border-radius: 0;}
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.sc-upload .uploader,.sc-upload:deep(.el-upload) {width: 100%;height: 100%;}
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.sc-upload__img {width: 100%;height: 100%;position: relative;}
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.sc-upload__img .image {width: 100%;height: 100%;}
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.sc-upload__img-actions {position: absolute;top:0;right: 0;display: none;}
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.sc-upload__img-actions span {display: flex;justify-content: center;align-items: center;width: 25px;height:25px;cursor: pointer;color: #fff;}
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.sc-upload__img-actions span i {font-size: 12px;}
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.sc-upload__img-actions .del {background: #F56C6C;}
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.sc-upload__img:hover .sc-upload__img-actions {display: block;}
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.sc-upload__img-slot {display: flex;justify-content: center;align-items: center;width: 100%;height: 100%;font-size: 12px;background-color: var(--el-fill-color-lighter);}
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.sc-upload__uploading {width: 100%;height: 100%;position: relative;}
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.sc-upload__progress {position: absolute;width: 100%;height: 100%;display: flex;justify-content: center;align-items: center;background-color: var(--el-overlay-color-lighter);z-index: 1;padding:10px;}
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.sc-upload__progress .el-progress {width: 100%;}
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.sc-upload__uploading .image {width: 100%;height: 100%;}
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.sc-upload .file-empty {width: 100%;height: 100%;display: flex;justify-content: center;align-items: center;flex-direction: column;}
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.sc-upload .file-empty i {font-size: 28px;}
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.sc-upload .file-empty h4 {font-size: 12px;font-weight: normal;color: #8c939d;margin-top: 8px;}
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.sc-upload.sc-upload-round {border-radius: 50%;overflow: hidden;}
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.sc-upload.sc-upload-round .el-upload--picture-card {border-radius: 50%;}
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.sc-upload.sc-upload-round .sc-upload__img-actions {top: auto;left: 0;right: 0;bottom: 0;}
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.sc-upload.sc-upload-round .sc-upload__img-actions span {width: 100%;}
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</style>
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