feat: 实现业务视图页面
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caoxiaozhu
157
frontend/src/views/dataset/DatasetPreviewView.vue
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157
frontend/src/views/dataset/DatasetPreviewView.vue
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<script setup lang="ts">
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import { ref, computed, onMounted } from 'vue'
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import { useRoute, useRouter } from 'vue-router'
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import { ElMessage, ElMessageBox } from 'element-plus'
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import PageCard from '@/components/PageCard.vue'
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import {
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getDataset,
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previewDatasetFile,
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deleteDataset,
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downloadDatasetUrl,
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downloadFileUrl,
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} from '@/api/modules/dataset'
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import { DATASET_TYPE_MAP, STORAGE_MAP } from '@/constants'
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import type { DatasetItem, DatasetFile } from '@/types'
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const route = useRoute()
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const router = useRouter()
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const datasetId = route.params.id as string
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const loading = ref(false)
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const dataset = ref<DatasetItem | null>(null)
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const selectedFileId = ref<string>('')
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const previewContent = ref('')
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const files = computed<DatasetFile[]>(() => dataset.value?.files || [])
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const previewLines = computed(() => previewContent.value.split('\n').slice(0, 100))
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const totalLines = computed(() => previewContent.value.split('\n').length)
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async function loadDataset() {
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loading.value = true
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try {
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dataset.value = await getDataset(datasetId)
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if (files.value.length > 0) {
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selectedFileId.value = String(files.value[0].id || files.value[0].name)
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loadPreview()
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}
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} catch {
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// ignore
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} finally {
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loading.value = false
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}
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}
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async function loadPreview() {
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if (!selectedFileId.value) return
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try {
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const res = await previewDatasetFile(selectedFileId.value)
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previewContent.value = res.content || ''
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} catch {
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previewContent.value = '加载失败'
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}
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}
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function handleDownloadFile(file: any) {
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const fid = file.id || file.name
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window.open(downloadFileUrl(datasetId, fid), '_blank')
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}
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function handleDownloadAll() {
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window.open(downloadDatasetUrl(datasetId), '_blank')
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}
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async function handleDelete() {
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await ElMessageBox.confirm('确定要删除这个数据集吗？', '确认删除', { type: 'warning' })
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await deleteDataset(datasetId)
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ElMessage.success('删除成功')
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router.push('/dataset')
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}
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onMounted(loadDataset)
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</script>
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<template>
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<PageCard title="数据集预览" v-loading="loading">
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<template #extra>
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<el-button @click="handleDownloadAll"><i class="fa fa-download" /> 打包下载</el-button>
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<el-button type="danger" @click="handleDelete"><i class="fa fa-trash" /> 删除</el-button>
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<el-button @click="router.back()">返回</el-button>
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</template>
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<!-- 数据集信息 -->
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<el-descriptions :column="3" border style="margin-bottom: 20px">
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<el-descriptions-item label="名称">{{ dataset?.name }}</el-descriptions-item>
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<el-descriptions-item label="类型">
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{{ DATASET_TYPE_MAP[String(dataset?.type).toLowerCase()] || dataset?.type }}
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</el-descriptions-item>
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<el-descriptions-item label="存储位置">
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{{ STORAGE_MAP[dataset?.storage_type || ''] || dataset?.storage_type }}
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</el-descriptions-item>
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<el-descriptions-item label="数据条数">{{ dataset?.count || 0 }}</el-descriptions-item>
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<el-descriptions-item label="创建时间">
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{{ dataset?.create_time ? new Date(dataset.create_time).toLocaleString('zh-CN') : '-' }}
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</el-descriptions-item>
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<el-descriptions-item label="描述">{{ dataset?.description || '-' }}</el-descriptions-item>
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</el-descriptions>
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<!-- 文件列表 -->
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<div class="file-section">
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<h3 class="section-title">文件列表</h3>
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<el-table :data="files" style="width: 100%">
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<el-table-column label="文件名" prop="name" />
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<el-table-column label="大小" prop="size" width="120" />
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<el-table-column label="操作" width="200" align="center">
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<template #default="{ row }">
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<el-button link type="primary" @click="selectedFileId = String(row.id || row.name); loadPreview()">预览</el-button>
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<el-button link type="success" @click="handleDownloadFile(row)">下载</el-button>
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</template>
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</el-table-column>
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</el-table>
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</div>
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<!-- 预览内容 -->
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<div class="preview-section">
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<h3 class="section-title">内容预览</h3>
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<pre class="preview-pre">{{ previewLines.join('\n') }}</pre>
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<div v-if="totalLines > 100" class="preview-footer">
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... 共 {{ totalLines }} 条记录，已显示前 100 条 ...
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</div>
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</div>
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</PageCard>
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</template>
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<style scoped>
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.section-title {
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font-size: 14px;
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font-weight: 600;
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color: #606266;
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margin: 0 0 12px;
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}
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.file-section {
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margin-bottom: 24px;
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}
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.preview-pre {
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margin: 0;
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padding: 12px 16px;
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background: #f5f7fa;
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border: 1px solid #ebeef5;
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border-radius: 4px;
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font-family: 'SFMono-Regular', Consolas, monospace;
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font-size: 12px;
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line-height: 1.6;
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max-height: 500px;
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overflow: auto;
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white-space: pre-wrap;
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word-wrap: break-word;
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}
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.preview-footer {
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margin-top: 8px;
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font-size: 12px;
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color: #909399;
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text-align: center;
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}
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</style>
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