<template>
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<div class="upload-box">
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<el-upload
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:id="uuid"
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:accept="fileType.join(',')"
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:action="uploadUrl"
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:before-upload="beforeUpload"
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:class="['upload', drag ? 'no-border' : '']"
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:disabled="disabled"
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:drag="drag"
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:http-request="httpRequest"
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:multiple="false"
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:on-error="uploadError"
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:on-success="uploadSuccess"
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:show-file-list="false"
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>
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<template v-if="modelValue">
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<img :src="modelValue" class="upload-image" />
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<div class="upload-handle" @click.stop>
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<div v-if="!disabled" class="handle-icon" @click="editImg">
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<Icon icon="ep:edit" />
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<span v-if="showBtnText">{{ t('action.edit') }}</span>
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</div>
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<div class="handle-icon" @click="imagePreview(modelValue)">
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<Icon icon="ep:zoom-in" />
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<span v-if="showBtnText">{{ t('action.detail') }}</span>
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</div>
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<div v-if="showDelete && !disabled" class="handle-icon" @click="deleteImg">
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<Icon icon="ep:delete" />
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<span v-if="showBtnText">{{ t('action.del') }}</span>
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</div>
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</div>
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</template>
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<template v-else>
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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>
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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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</div>
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</template>
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<script lang="ts" setup>
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import type { UploadProps } from 'element-plus'
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import { generateUUID } from '@/utils'
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import { propTypes } from '@/utils/propTypes'
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import { createImageViewer } from '@/components/ImageViewer'
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import { useUpload } from '@/components/UploadFile/src/useUpload'
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defineOptions({ name: 'UploadImg' })
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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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// 接受父组件参数
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const props = defineProps({
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modelValue: propTypes.string.def(''),
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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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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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showDelete: propTypes.bool.def(true), // 是否显示删除按钮
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showBtnText: propTypes.bool.def(true) // 是否显示按钮文字
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})
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const { t } = useI18n() // 国际化
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const message = useMessage() // 消息弹窗
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// 生成组件唯一id
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const uuid = ref('id-' + generateUUID())
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// 查看图片
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const imagePreview = (imgUrl: string) => {
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createImageViewer({
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zIndex: 9999999,
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urlList: [imgUrl]
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})
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}
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const emit = defineEmits(['update:modelValue'])
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const deleteImg = () => {
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emit('update:modelValue', '')
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}
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const { uploadUrl, httpRequest } = useUpload()
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const editImg = () => {
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const dom = document.querySelector(`#${uuid.value} .el-upload__input`)
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dom && dom.dispatchEvent(new MouseEvent('click'))
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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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message.notifyWarning('上传图片不符合所需的格式！')
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if (!imgSize) message.notifyWarning(`上传图片大小不能超过 ${props.fileSize}M！`)
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return imgType.includes(rawFile.type as FileTypes) && imgSize
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}
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// 图片上传成功提示
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const uploadSuccess: UploadProps['onSuccess'] = (res: any): void => {
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message.success('上传成功')
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emit('update:modelValue', res.data)
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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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message.notifyError('图片上传失败，请您重新上传！')
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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),
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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,
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.el-upload-dragger {
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cursor: not-allowed !important;
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background: var(--el-disabled-bg-color);
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border: 1px dashed var(--el-border-color-darker) !important;
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&:hover {
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border: 1px dashed 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) {
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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 {
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position: relative;
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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: v-bind(width);
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height: v-bind(height);
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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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transition: var(--el-transition-duration-fast);
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&:hover {
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border-color: var(--el-color-primary);
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.upload-handle {
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opacity: 1;
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}
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}
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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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background-color: transparent;
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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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.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-empty {
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position: relative;
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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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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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.upload-handle {
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position: absolute;
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top: 0;
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right: 0;
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display: flex;
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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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box-sizing: border-box;
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transition: var(--el-transition-duration-fast);
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align-items: center;
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justify-content: center;
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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: 40%;
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font-size: 130%;
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line-height: 130%;
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}
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span {
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font-size: 85%;
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line-height: 85%;
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}
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}
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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: 18px;
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text-align: center;
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}
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}
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</style>
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