<template>
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<div>
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<el-dialog :title="dialogTitle" v-model="visible" width="760px">
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<div class="attachment-header">
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<div class="el-upload__tip">{{ tip }}</div>
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<el-upload :action="uploadAction" :headers="uploadHeader" multiple :show-file-list="false"
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:on-success="handleUploadSuccess" :on-error="handleUploadError">
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<el-button size="small" type="primary">上传附件</el-button>
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</el-upload>
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</div>
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<el-table :data="attachmentList" border size="small" style="margin-top:12px">
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<el-table-column label="文件名称" prop="fileName" min-width="280" show-overflow-tooltip />
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<el-table-column label="上传时间" prop="createTime" width="170" />
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<el-table-column label="操作" width="180">
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<template #default="scope">
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<el-button link type="primary" @click="previewFile(scope.row)">预览</el-button>
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<el-button link type="primary" @click="downloadFile(scope.row)">下载</el-button>
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<el-button link type="danger" @click="removeFile(scope.row)">删除</el-button>
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</template>
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</el-table-column>
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</el-table>
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<template #footer>
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<el-button @click="visible = false">关 闭</el-button>
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</template>
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</el-dialog>
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<el-dialog title="预览附件" v-model="previewVisible" fullscreen append-to-body>
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<file-preview v-if="previewVisible" :file-url="previewUrl" :current-file="previewRow" />
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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 request from '@/utils/request'
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import filePreview from '@/components/Preview/filePreview.vue'
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/**
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* 通用附件管理组件（上传 / 预览 / 下载 / 删除）
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*
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* 用法：页面操作列放三个入口，分别调用本组件的方法：
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* 上传附件 -> this.$refs.xxx.open(row) 打开附件弹窗（弹窗内可上传）
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* 下载附件 -> this.$refs.xxx.downloadAttachments(row) 只有一个附件直接下载，多个打开弹窗
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* 预览附件 -> this.$refs.xxx.previewAttachments(row) 只有一个附件直接预览，多个打开弹窗
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*
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* 后端接口需按统一约定提供（参照 /supplierManagement 的附件接口）：
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* 上传：POST {uploadUrl}?{idParam}=主表ID 表单参数 file
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* 列表：GET {selectUrl}?{idParam}=主表ID 返回 [{id, fileName, fileUrl, createTime, ...}]
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* 删除：DELETE {deleteUrl}?id=附件ID
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*/
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export default {
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name: 'LimsAttachment',
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components: {
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filePreview
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},
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props: {
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// 上传接口地址，如 /supplierManagement/uploadAttachment
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uploadUrl: {
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type: String,
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required: true
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},
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// 查询附件列表接口地址
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selectUrl: {
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type: String,
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required: true
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},
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// 删除附件接口地址
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deleteUrl: {
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type: String,
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required: true
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},
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// 关联主表ID在接口里的参数名，如 supplierManagementId
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idParam: {
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type: String,
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default: 'id'
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},
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// 关联主表ID在行数据里的字段名，不传时默认与 idParam 相同
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idField: {
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type: String,
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default: ''
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},
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// 弹窗标题上要显示名称的行字段，如 supplierName
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nameField: {
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type: String,
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default: ''
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},
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// 弹窗标题前缀
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title: {
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type: String,
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default: '附件'
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},
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// 弹窗左上角提示文字
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tip: {
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type: String,
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default: '支持任意格式文件，单个文件不超过200MB'
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}
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},
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data() {
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return {
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visible: false,
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attachmentList: [],
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currentRow: {},
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previewVisible: false,
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previewRow: {},
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previewUrl: ''
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}
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},
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computed: {
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currentId() {
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const field = this.idField || this.idParam
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return this.currentRow ? this.currentRow[field] : undefined
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},
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dialogTitle() {
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const name = this.nameField && this.currentRow ? this.currentRow[this.nameField] : ''
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return this.title + (name ? ' - ' + name : '')
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},
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uploadAction() {
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return this.javaApi + this.uploadUrl + '?' + this.idParam + '=' + this.currentId
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}
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},
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methods: {
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// 打开附件管理弹窗
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open(row) {
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this.currentRow = row
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this.visible = true
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this.loadList()
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},
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// 预览附件入口：只有一个附件直接预览，多个打开弹窗
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previewAttachments(row) {
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this.queryList(row).then(list => {
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if (!list.length) {
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this.$message.warning('暂无附件')
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} else if (list.length === 1) {
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this.previewFile(list[0])
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} else {
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this.open(row)
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}
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})
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},
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// 下载附件入口：只有一个附件直接下载，多个打开弹窗
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downloadAttachments(row) {
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this.queryList(row).then(list => {
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if (!list.length) {
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this.$message.warning('暂无附件')
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} else if (list.length === 1) {
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this.downloadFile(list[0])
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} else {
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this.open(row)
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}
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})
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},
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queryList(row) {
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const field = this.idField || this.idParam
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return request({
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url: this.selectUrl,
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method: 'get',
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params: { [this.idParam]: row[field] }
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}).then(res => (res && res.data) || [])
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},
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loadList() {
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this.queryList(this.currentRow).then(list => {
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this.attachmentList = list
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})
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},
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handleUploadSuccess(res) {
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if (res.code === 200) {
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this.$message.success('上传成功')
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this.loadList()
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} else {
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this.$message.error(res.msg || '上传失败')
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}
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},
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handleUploadError() {
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this.$message.error('上传失败，文件可能超过200MB')
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},
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previewFile(row) {
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this.previewRow = row
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this.previewUrl = this.fullUrl(row.fileUrl)
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this.previewVisible = true
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},
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downloadFile(row) {
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this.$download.saveAs(this.fullUrl(row.fileUrl), row.fileName)
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},
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removeFile(row) {
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this.$confirm('是否删除该附件？', '提示', { type: 'warning' }).then(() => {
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request({
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url: this.deleteUrl,
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method: 'delete',
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params: { id: row.id }
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}).then(() => {
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this.$message.success('删除成功')
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this.loadList()
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})
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}).catch(() => {})
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},
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// 静态地址拼接，与后端上传统一路由保持一致：图片在 /img，其它都在 /word
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fullUrl(fileUrl) {
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const base = /\.(jpg|jpeg|png|gif)$/i.test(fileUrl) ? '/img/' : '/word/'
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return this.javaApi + base + fileUrl
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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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.attachment-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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}
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</style>
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