308 lines
7.9 KiB
Vue
308 lines
7.9 KiB
Vue
<template>
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<div class="upload-box">
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<el-upload
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v-model:file-list="fileList"
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:accept="fileType.join(',')"
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:action="updateUrl"
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:before-upload="beforeUpload"
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:class="['upload', drag ? 'no-border' : '']"
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:drag="drag"
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:headers="uploadHeaders"
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:limit="limit"
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:multiple="true"
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:on-error="uploadError"
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:on-exceed="handleExceed"
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:on-success="uploadSuccess"
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list-type="picture-card"
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>
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<div class="upload-empty">
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<slot name="empty">
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<Icon icon="ep:plus" />
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<!-- <span>请上传图片</span> -->
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</slot>
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</div>
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<template #file="{ file }">
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<img :src="file.url" class="upload-image" />
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<div class="upload-handle" @click.stop>
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<div class="handle-icon" @click="handlePictureCardPreview(file)">
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<Icon icon="ep:zoom-in" />
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<span>查看</span>
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</div>
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<div class="handle-icon" @click="handleRemove(file)">
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<Icon icon="ep:delete" />
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<span>删除</span>
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</div>
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</div>
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</template>
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</el-upload>
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<div class="el-upload__tip">
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<slot name="tip"></slot>
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</div>
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<el-image-viewer
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v-if="imgViewVisible"
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:url-list="[viewImageUrl]"
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@close="imgViewVisible = false"
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/>
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</div>
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</template>
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<script lang="ts" name="UploadImgs" setup>
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import { PropType } from 'vue'
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import type { UploadFile, UploadProps, UploadUserFile } from 'element-plus'
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import { ElNotification } from 'element-plus'
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import { propTypes } from '@/utils/propTypes'
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import { getAccessToken, getTenantId } from '@/utils/auth'
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const message = useMessage() // 消息弹窗
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type FileTypes =
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| 'image/apng'
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| 'image/bmp'
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| 'image/gif'
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| 'image/jpeg'
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| 'image/pjpeg'
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| 'image/png'
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| 'image/svg+xml'
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| 'image/tiff'
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| 'image/webp'
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| 'image/x-icon'
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const props = defineProps({
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modelValue: {
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type: Array as PropType<UploadUserFile[]>,
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required: true
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},
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updateUrl: propTypes.string.def(import.meta.env.VITE_UPLOAD_URL),
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drag: propTypes.bool.def(true), // 是否支持拖拽上传 ==> 非必传（默认为 true）
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disabled: propTypes.bool.def(false), // 是否禁用上传组件 ==> 非必传（默认为 false）
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limit: propTypes.number.def(5), // 最大图片上传数 ==> 非必传（默认为 5张）
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fileSize: propTypes.number.def(5), // 图片大小限制 ==> 非必传（默认为 5M）
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fileType: propTypes.array.def(['image/jpeg', 'image/png', 'image/gif']), // 图片类型限制 ==> 非必传（默认为 ["image/jpeg", "image/png", "image/gif"]）
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height: propTypes.string.def('150px'), // 组件高度 ==> 非必传（默认为 150px）
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width: propTypes.string.def('150px'), // 组件宽度 ==> 非必传（默认为 150px）
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borderRadius: propTypes.string.def('8px') // 组件边框圆角 ==> 非必传（默认为 8px）
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})
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const uploadHeaders = ref({
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Authorization: 'Bearer ' + getAccessToken(),
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'tenant-id': getTenantId()
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})
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const fileList = ref<UploadUserFile[]>()
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// fix: 改为动态监听赋值解决图片回显问题
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watch(
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() => props.modelValue,
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(data) => {
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if (!data) return
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fileList.value = data
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},
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{
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deep: true,
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immediate: true
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}
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)
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/**
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* @description 文件上传之前判断
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* @param rawFile 上传的文件
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* */
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const beforeUpload: UploadProps['beforeUpload'] = (rawFile) => {
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const imgSize = rawFile.size / 1024 / 1024 < props.fileSize
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const imgType = props.fileType
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if (!imgType.includes(rawFile.type as FileTypes))
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ElNotification({
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title: '温馨提示',
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message: '上传图片不符合所需的格式！',
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type: 'warning'
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})
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if (!imgSize)
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ElNotification({
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title: '温馨提示',
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message: `上传图片大小不能超过 ${props.fileSize}M！`,
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type: 'warning'
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})
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return imgType.includes(rawFile.type as FileTypes) && imgSize
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}
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// 图片上传成功
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interface UploadEmits {
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(e: 'update:modelValue', value: UploadUserFile[]): void
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}
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const emit = defineEmits<UploadEmits>()
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const uploadSuccess = (response, uploadFile: UploadFile) => {
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if (!response) return
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// TODO 多图上传组件成功后只是把保存成功后的url替换掉组件选图时的文件路径，所以返回的fileList包含的是一个包含文件信息的对象列表
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uploadFile.url = response.data
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emit('update:modelValue', fileList.value)
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message.success('上传成功')
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}
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// 删除图片
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const handleRemove = (uploadFile: UploadFile) => {
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fileList.value = fileList.value.filter(
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(item) => item.url !== uploadFile.url || item.name !== uploadFile.name
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)
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emit('update:modelValue', fileList.value)
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}
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// 图片上传错误提示
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const uploadError = () => {
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ElNotification({
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title: '温馨提示',
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message: '图片上传失败，请您重新上传！',
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type: 'error'
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})
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}
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// 文件数超出提示
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const handleExceed = () => {
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ElNotification({
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title: '温馨提示',
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message: `当前最多只能上传 ${props.limit} 张图片，请移除后上传！`,
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type: 'warning'
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})
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}
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// 图片预览
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const viewImageUrl = ref('')
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const imgViewVisible = ref(false)
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const handlePictureCardPreview: UploadProps['onPreview'] = (uploadFile) => {
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viewImageUrl.value = uploadFile.url!
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imgViewVisible.value = true
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}
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</script>
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<style lang="scss" scoped>
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.is-error {
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.upload {
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:deep(.el-upload--picture-card),
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:deep(.el-upload-dragger) {
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border: 1px dashed var(--el-color-danger) !important;
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&:hover {
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border-color: var(--el-color-primary) !important;
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}
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}
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}
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}
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:deep(.disabled) {
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.el-upload--picture-card,
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.el-upload-dragger {
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cursor: not-allowed;
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background: var(--el-disabled-bg-color) !important;
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border: 1px dashed var(--el-border-color-darker);
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&:hover {
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border-color: var(--el-border-color-darker) !important;
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}
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}
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}
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.upload-box {
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.no-border {
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:deep(.el-upload--picture-card) {
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border: none !important;
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}
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}
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:deep(.upload) {
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.el-upload-dragger {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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padding: 0;
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overflow: hidden;
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border: 1px dashed var(--el-border-color-darker);
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border-radius: v-bind(borderRadius);
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&:hover {
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border: 1px dashed var(--el-color-primary);
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}
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}
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.el-upload-dragger.is-dragover {
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background-color: var(--el-color-primary-light-9);
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border: 2px dashed var(--el-color-primary) !important;
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}
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.el-upload-list__item,
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.el-upload--picture-card {
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width: v-bind(width);
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height: v-bind(height);
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background-color: transparent;
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border-radius: v-bind(borderRadius);
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}
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.upload-image {
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width: 100%;
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height: 100%;
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object-fit: contain;
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}
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.upload-handle {
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position: absolute;
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top: 0;
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right: 0;
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box-sizing: border-box;
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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cursor: pointer;
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background: rgb(0 0 0 / 60%);
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opacity: 0;
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transition: var(--el-transition-duration-fast);
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.handle-icon {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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padding: 0 6%;
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color: aliceblue;
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.el-icon {
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margin-bottom: 15%;
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font-size: 140%;
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}
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span {
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font-size: 100%;
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}
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}
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}
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.el-upload-list__item {
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&:hover {
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.upload-handle {
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opacity: 1;
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}
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}
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}
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.upload-empty {
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display: flex;
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flex-direction: column;
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align-items: center;
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font-size: 12px;
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line-height: 30px;
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color: var(--el-color-info);
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.el-icon {
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font-size: 28px;
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color: var(--el-text-color-secondary);
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}
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}
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}
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.el-upload__tip {
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line-height: 15px;
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text-align: center;
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}
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}
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</style>
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