feat(dataset): 支持数据任务批量删除

frontend/scripts/regression-dataset-task-tab.mjs

@@ -7,11 +7,13 @@ const scriptDir = path.dirname(fileURLToPath(import.meta.url))
 const typesPath = path.resolve(scriptDir, '../src/types/index.ts')
 const dataPath = path.resolve(scriptDir, '../src/mock/data.ts')
 const viewPath = path.resolve(scriptDir, '../src/views/dataset/DatasetListView.vue')
+const tablePagePath = path.resolve(scriptDir, '../src/components/DataTablePage.vue')
 
-const [typesSource, dataSource, viewSource] = await Promise.all([
+const [typesSource, dataSource, viewSource, tablePageSource] = await Promise.all([
   readFile(typesPath, 'utf8'),
   readFile(dataPath, 'utf8'),
   readFile(viewPath, 'utf8'),
+  readFile(tablePagePath, 'utf8'),
 ])
 
 assert.match(typesSource, /export type DatasetSource = 'upload' \| 'task'/)
@@ -40,5 +42,16 @@ assert.match(
 )
 assert.match(viewSource, /return dataList\.value\.filter\(\(item\) => item\.source !== 'task'\)/)
 assert.doesNotMatch(viewSource, /数据任务产生的数据集[\s\S]*?return \[\]/)
+assert.match(viewSource, /:search-fields="\['task_id', 'name', 'description'\]"/, '数据任务搜索应支持任务 ID')
+assert.match(viewSource, /:multi-select="activeTab === 'task' && batchMode"/, '多选框只能在数据任务的批量模式显示')
+assert.match(viewSource, /:show-batch-bar="false"/, '数据任务应使用搜索框旁的批量删除入口')
+assert.match(viewSource, /<template #toolbar-extra>[\s\S]*?批量删除[\s\S]*?v-if="selectedCount > 0"[\s\S]*?删除（\{\{ selectedCount \}\}）/, '批量删除按钮没有按选择状态切换')
+assert.match(viewSource, /const completed = await tablePageRef\.value\?\.handleBatchDelete\(\)/, '批量删除按钮没有调用通用批量删除流程')
+assert.match(viewSource, /ElMessageBox\.confirm\([\s\S]*?删除后无法恢复/, '单条删除仍缺少二次确认')
+assert.match(tablePageSource, /emit\('selectionChange', rows\)/, '通用表格没有向外同步多选状态')
+assert.match(tablePageSource, /function clearSelection\(\)[\s\S]*?emit\('selectionChange', \[\]\)/, '清空选择后没有同步重置外部选择状态')
+assert.match(tablePageSource, /确认批量删除[\s\S]*?confirmButtonText: '删除'[\s\S]*?confirmButtonClass: 'el-button--danger'/, '批量删除确认弹窗缺少危险操作样式')
+assert.match(tablePageSource, /let ok = 0[\s\S]*?let fail = 0[\s\S]*?for \(const row of rows\)/, '批量删除没有汇总逐条删除结果')
+assert.match(tablePageSource, /defineExpose\(\{ handleDelete, handleBatchDelete, clearSelection \}\)/, '页面无法触发通用批量删除')
 
 console.log('数据任务 Mock 数据与页签分流回归检查通过')

frontend/src/components/DataTablePage.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts" generic="T extends Record<string, any>">
 import { ref, computed, watch } from 'vue'
-import { ElMessageBox } from 'element-plus'
+import { ElMessage, ElMessageBox } from 'element-plus'
 import type { TableInstance } from 'element-plus'
 import { useRouter } from 'vue-router'
 
@@ -19,6 +19,8 @@ const props = withDefaults(
     searchFields?: string[]
     /** 是否支持多选 */
     multiSelect?: boolean
+    /** 选中后是否展示组件内置的批量操作栏 */
+    showBatchBar?: boolean
     /** 创建按钮文本，不传则不显示 */
     createText?: string
     /** 创建按钮跳转路径 */
@@ -38,6 +40,7 @@ const props = withDefaults(
     loading: false,
     searchable: false,
     multiSelect: false,
+    showBatchBar: true,
     rowKey: 'id',
     emptyText: '暂无数据',
     pageSize: 10,
@@ -49,6 +52,7 @@ const emit = defineEmits<{
   create: []
   refresh: []
   expandChange: [row: T, expandedRows: T[]]
+  selectionChange: [rows: T[]]
 }>()
 
 const router = useRouter()
@@ -57,6 +61,7 @@ const selectedIds = ref<Set<string | number>>(new Set())
 const keyword = ref('')
 const currentPage = ref(1)
 const currentPageSize = ref(props.pageSize)
+const batchDeleting = ref(false)
 
 /** 行唯一标识取值 */
 function rowId(row: T): string | number {
@@ -81,6 +86,7 @@ const pagedData = computed(() => {
 /** 处理多选变化 */
 function handleSelectionChange(rows: T[]) {
   selectedIds.value = new Set(rows.map(rowId))
+  emit('selectionChange', rows)
 }
 
 /** 单个删除（子组件或操作列调用） */
@@ -100,14 +106,25 @@ async function handleDelete(row: any, confirmText = '确定要删除这条记录
 }
 
 /** 批量删除 */
-async function handleBatchDelete() {
-  if (selectedIds.value.size === 0 || !props.deleteFn) return
+async function handleBatchDelete(): Promise<boolean> {
+  if (selectedIds.value.size === 0 || !props.deleteFn || batchDeleting.value) return false
   try {
     await ElMessageBox.confirm(
-      `确定要删除选中的 ${selectedIds.value.size} 条记录吗？`,
-      '批量删除',
-      { type: 'warning' },
+      `确定删除选中的 ${selectedIds.value.size} 条记录吗？删除后无法恢复。`,
+      '确认批量删除',
+      {
+        type: 'warning',
+        confirmButtonText: '删除',
+        cancelButtonText: '取消',
+        confirmButtonClass: 'el-button--danger',
+      },
     )
+  } catch {
+    return false
+  }
+
+  batchDeleting.value = true
+  try {
     const rows = props.data.filter((row) => selectedIds.value.has(rowId(row)))
     let ok = 0
     let fail = 0
@@ -119,21 +136,23 @@ async function handleBatchDelete() {
         fail++
       }
     }
-    selectedIds.value.clear()
+    clearSelection()
     emit('refresh')
     if (fail === 0) {
-      ElMessageBox.alert(`成功删除 ${ok} 条记录`, '成功', { type: 'success' })
+      ElMessage.success(`成功删除 ${ok} 条记录`)
     } else {
-      ElMessageBox.alert(`成功 ${ok} 条，失败 ${fail} 条`, '部分失败', { type: 'warning' })
+      ElMessage.warning(`批量删除完成：成功 ${ok} 条，失败 ${fail} 条`)
     }
-  } catch {
-    // 取消
+    return true
+  } finally {
+    batchDeleting.value = false
   }
 }
 
 function clearSelection() {
   selectedIds.value.clear()
   tableRef.value?.clearSelection()
+  emit('selectionChange', [])
 }
 
 function handleCreate() {
@@ -152,20 +171,27 @@ function handleExpandChange(row: T, expandedRows: T[] | boolean) {
 watch(
   () => props.data,
   () => {
-    selectedIds.value.clear()
+    clearSelection()
     currentPage.value = 1
-    tableRef.value?.clearSelection()
+  },
+)
+
+watch(
+  () => props.multiSelect,
+  (enabled) => {
+    if (!enabled) clearSelection()
   },
 )
 
 watch(
   () => keyword.value,
   () => {
+    if (selectedIds.value.size > 0) clearSelection()
     currentPage.value = 1
   },
 )
 
-defineExpose({ handleDelete, clearSelection })
+defineExpose({ handleDelete, handleBatchDelete, clearSelection })
 </script>
 
 <template>
@@ -196,12 +222,12 @@ defineExpose({ handleDelete, clearSelection })
 
       <!-- 批量操作栏 -->
       <transition name="el-zoom-in-top">
-        <div v-if="multiSelect && selectedIds.size > 0" class="batch-bar">
+        <div v-if="multiSelect && showBatchBar && selectedIds.size > 0" class="batch-bar">
           <span class="batch-info">
             已选择 <strong>{{ selectedIds.size }}</strong> 项
             <el-button link type="primary" @click="clearSelection">取消选择</el-button>
           </span>
-          <el-button type="danger" size="small" @click="handleBatchDelete">
+          <el-button type="danger" size="small" :loading="batchDeleting" @click="handleBatchDelete">
             <i class="fa fa-trash" style="margin-right: 4px" />
             批量删除 ({{ selectedIds.size }})
           </el-button>

frontend/src/views/dataset/DatasetListView.vue

@@ -1,7 +1,7 @@
 <script setup lang="ts">
-import { ref, onMounted, computed } from 'vue'
+import { ref, onMounted, computed, watch } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
-import { ElMessage } from 'element-plus'
+import { ElMessage, ElMessageBox } from 'element-plus'
 import DataTablePage from '@/components/DataTablePage.vue'
 import { getDatasetList, deleteDataset, downloadDatasetUrl } from '@/api/modules/dataset'
 import { DATASET_TYPE_MAP, STORAGE_MAP } from '@/constants'
@@ -13,6 +13,14 @@ const route = useRoute()
 const loading = ref(false)
 const dataList = ref<DatasetItem[]>([])
 const activeTab = ref<DatasetSource>(route.query.tab === 'task' ? 'task' : 'upload')
+const batchMode = ref(false)
+const selectedCount = ref(0)
+const batchDeleting = ref(false)
+const deletingId = ref<string | number | null>(null)
+const tablePageRef = ref<{
+  handleBatchDelete: () => Promise<boolean>
+  clearSelection: () => void
+} | null>(null)
 
 const filteredDataList = computed(() => {
   if (activeTab.value === 'task') {
@@ -33,11 +41,62 @@ async function loadData() {
   }
 }
 
-async function handleDelete(row: any) {
+async function deleteDatasetItem(row: DatasetItem) {
   await deleteDataset(row.id)
-  dataList.value = dataList.value.filter((item) => item.id !== row.id)
-  await loadData()
-  ElMessage.success('删除成功')
+}
+
+async function handleDelete(row: DatasetItem) {
+  try {
+    await ElMessageBox.confirm(
+      `确定删除数据集“${row.name}”吗？删除后无法恢复。`,
+      '确认删除',
+      {
+        type: 'warning',
+        confirmButtonText: '删除',
+        cancelButtonText: '取消',
+        confirmButtonClass: 'el-button--danger',
+      },
+    )
+  } catch {
+    return
+  }
+
+  deletingId.value = row.id
+  try {
+    await deleteDatasetItem(row)
+    await loadData()
+    ElMessage.success('数据集已删除')
+  } catch {
+    // 统一请求层已展示后端返回的失败原因。
+  } finally {
+    deletingId.value = null
+  }
+}
+
+function enterBatchMode() {
+  batchMode.value = true
+  selectedCount.value = 0
+}
+
+function exitBatchMode() {
+  batchMode.value = false
+  selectedCount.value = 0
+  tablePageRef.value?.clearSelection()
+}
+
+function handleSelectionChange(rows: DatasetItem[]) {
+  selectedCount.value = rows.length
+}
+
+async function handleBatchDelete() {
+  if (!selectedCount.value || batchDeleting.value) return
+  batchDeleting.value = true
+  try {
+    const completed = await tablePageRef.value?.handleBatchDelete()
+    if (completed) exitBatchMode()
+  } finally {
+    batchDeleting.value = false
+  }
 }
 
 function handlePreview(row: any) {
@@ -48,21 +107,26 @@ function handleDownload(row: any) {
   window.open(downloadDatasetUrl(row.id), '_blank')
 }
 
+watch(activeTab, exitBatchMode)
 onMounted(loadData)
 </script>
 
 <template>
   <DataTablePage
+    ref="tablePageRef"
     title="数据集管理"
     :data="filteredDataList"
     :loading="loading"
     searchable
-    :search-fields="['name', 'description']"
+    :search-fields="['task_id', 'name', 'description']"
+    :multi-select="activeTab === 'task' && batchMode"
+    :show-batch-bar="false"
     :create-text="activeTab === 'upload' ? '上传数据集' : ''"
     create-to="/dataset/create"
-    :delete-fn="handleDelete"
+    :delete-fn="deleteDatasetItem"
     row-key="id"
     @refresh="loadData"
+    @selection-change="handleSelectionChange"
   >
     <template #title>
       <div class="capsule-tabs">
@@ -83,6 +147,25 @@ onMounted(loadData)
       </div>
     </template>
 
+    <template #toolbar-extra>
+      <template v-if="activeTab === 'task'">
+        <el-button v-if="!batchMode" type="danger" plain @click="enterBatchMode">
+          <i class="fa fa-trash-o" style="margin-right: 4px" />批量删除
+        </el-button>
+        <template v-else>
+          <el-button :disabled="batchDeleting" @click="exitBatchMode">取消</el-button>
+          <el-button
+            v-if="selectedCount > 0"
+            type="danger"
+            :loading="batchDeleting"
+            @click="handleBatchDelete"
+          >
+            <i class="fa fa-trash-o" style="margin-right: 4px" />删除（{{ selectedCount }}）
+          </el-button>
+        </template>
+      </template>
+    </template>
+
     <template #columns>
       <el-table-column v-if="activeTab === 'task'" label="任务ID" prop="task_id" align="center" width="100" />
       <el-table-column label="数据集名称" prop="name" align="center" />
@@ -124,7 +207,14 @@ onMounted(loadData)
         <el-button type="success" link size="small" @click="handleDownload(row)">
           <i class="fa fa-download" style="margin-right: 4px" />下载
         </el-button>
-        <el-button type="danger" link size="small" @click="handleDelete(row)">
+        <el-button
+          type="danger"
+          link
+          size="small"
+          :loading="deletingId === row.id"
+          :disabled="batchDeleting || batchMode"
+          @click="handleDelete(row as DatasetItem)"
+        >
           <i class="fa fa-trash-o" style="margin-right: 4px" />删除
         </el-button>
       </div>