优化删除

backend/internal/modules/chat/handler_qrcode.go

@@ -44,6 +44,23 @@ func (h *Handler) BatchCreateQrCodeHandler(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"data": qrcodes})
 }
 
+// BatchDeleteQrCodeHandler 批量删除二维码
+func (h *Handler) BatchDeleteQrCodeHandler(c *gin.Context) {
+	var req BatchDeleteQrCodeRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	deleted, err := h.service.repo.BatchDeleteQrCodes(c.Request.Context(), req.IDs)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"data": gin.H{"deleted": deleted}})
+}
+
 // ListQrCodesHandler 列表查询二维码
 func (h *Handler) ListQrCodesHandler(c *gin.Context) {
 	var req QrCodeListRequest
@@ -157,10 +174,6 @@ func (h *Handler) DeleteQrCodeHandler(c *gin.Context) {
 			c.JSON(http.StatusNotFound, gin.H{"error": "二维码不存在"})
 			return
 		}
-		if err == ErrQrCodeCannotDelete {
-			c.JSON(http.StatusBadRequest, gin.H{"error": "已使用的二维码不能删除"})
-			return
-		}
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
 	}

backend/internal/modules/chat/qrcode.go

@@ -26,7 +26,6 @@ const (
 
 var (
 	ErrQrCodeNotFound       = errors.New("二维码不存在")
-	ErrQrCodeCannotDelete   = errors.New("已使用的二维码不能删除")
 	ErrQrCodeCannotReenable = errors.New("已发放的二维码不能改回待用")
 )
 
@@ -43,6 +42,11 @@ type BatchCreateQrCodeRequest struct {
 	Items []CreateQrCodeRequest `json:"items" binding:"required,min=1,max=20"`
 }
 
+// BatchDeleteQrCodeRequest 批量删除二维码请求
+type BatchDeleteQrCodeRequest struct {
+	IDs []uint64 `json:"ids" binding:"required,min=1,max=100"`
+}
+
 // UpdateQrCodeRequest 更新二维码请求
 type UpdateQrCodeRequest struct {
 	ImageURL       *string    `json:"image_url"`
@@ -313,7 +317,7 @@ func qrcodeWasIssued(qrcode model.ChatQrCode) bool {
 	return qrcode.Status == QrCodeStatusUsed || qrcode.ConversationID != nil || qrcode.UsedAt != nil
 }
 
-// DeleteQrCode 删除二维码(仅未使用的可删除)
+// DeleteQrCode 删除二维码
 func (r *Repository) DeleteQrCode(ctx context.Context, id uint64) error {
 	var qrcode model.ChatQrCode
 	if err := r.db.WithContext(ctx).First(&qrcode, id).Error; err != nil {
@@ -323,12 +327,20 @@ func (r *Repository) DeleteQrCode(ctx context.Context, id uint64) error {
 		return err
 	}
 
-	// 已使用的不能删除
+	return r.db.WithContext(ctx).Delete(&qrcode).Error
-	if qrcode.Status == QrCodeStatusUsed {
+}
-		return ErrQrCodeCannotDelete
+
+// BatchDeleteQrCodes 批量删除二维码
+func (r *Repository) BatchDeleteQrCodes(ctx context.Context, ids []uint64) (int64, error) {
+	if len(ids) == 0 {
+		return 0, nil
 	}
 
-	return r.db.WithContext(ctx).Delete(&qrcode).Error
+	result := r.db.WithContext(ctx).Where("id IN ?", ids).Delete(&model.ChatQrCode{})
+	if result.Error != nil {
+		return 0, result.Error
+	}
+	return result.RowsAffected, nil
 }
 
 // fetchUnusedQrCode 获取一个未使用且未过期的二维码(带行锁)

backend/internal/modules/chat/qrcode_test.go

@@ -231,6 +231,80 @@ func TestUpdateQrCodeGroupNameAndRenameFlag(t *testing.T) {
 	}
 }
 
+func TestDeleteQrCodeAllowsIssuedQrCode(t *testing.T) {
+	db := setupQrCodeTestDB(t)
+	repo := NewRepository(db, nil)
+	now := time.Date(2026, 6, 19, 17, 8, 0, 0, time.UTC)
+	conversationID := uint64(1003)
+	qrcode := model.ChatQrCode{
+		ImageURL:       "/api/files/object?key=qrcode/issued.png",
+		Status:         QrCodeStatusUsed,
+		ConversationID: &conversationID,
+		UsedAt:         &now,
+		CreatedBy:      1,
+	}
+	if err := db.Create(&qrcode).Error; err != nil {
+		t.Fatalf("创建二维码失败: %v", err)
+	}
+
+	if err := repo.DeleteQrCode(t.Context(), qrcode.ID); err != nil {
+		t.Fatalf("删除已发放二维码失败: %v", err)
+	}
+
+	var count int64
+	if err := db.Model(&model.ChatQrCode{}).Where("id = ?", qrcode.ID).Count(&count).Error; err != nil {
+		t.Fatalf("统计二维码失败: %v", err)
+	}
+	if count != 0 {
+		t.Fatalf("二维码数量 = %d, want 0", count)
+	}
+}
+
+func TestBatchDeleteQrCodes(t *testing.T) {
+	db := setupQrCodeTestDB(t)
+	repo := NewRepository(db, nil)
+	now := time.Date(2026, 6, 19, 17, 8, 0, 0, time.UTC)
+	conversationID := uint64(1004)
+	qrcodes := []model.ChatQrCode{
+		{
+			ImageURL:  "/api/files/object?key=qrcode/unused.png",
+			Status:    QrCodeStatusUnused,
+			CreatedBy: 1,
+		},
+		{
+			ImageURL:       "/api/files/object?key=qrcode/used.png",
+			Status:         QrCodeStatusUsed,
+			ConversationID: &conversationID,
+			UsedAt:         &now,
+			CreatedBy:      1,
+		},
+		{
+			ImageURL:  "/api/files/object?key=qrcode/keep.png",
+			Status:    QrCodeStatusDisabled,
+			CreatedBy: 1,
+		},
+	}
+	if err := db.Create(&qrcodes).Error; err != nil {
+		t.Fatalf("创建二维码失败: %v", err)
+	}
+
+	deleted, err := repo.BatchDeleteQrCodes(t.Context(), []uint64{qrcodes[0].ID, qrcodes[1].ID})
+	if err != nil {
+		t.Fatalf("批量删除二维码失败: %v", err)
+	}
+	if deleted != 2 {
+		t.Fatalf("删除数量 = %d, want 2", deleted)
+	}
+
+	var remaining []model.ChatQrCode
+	if err := db.Order("id ASC").Find(&remaining).Error; err != nil {
+		t.Fatalf("查询剩余二维码失败: %v", err)
+	}
+	if len(remaining) != 1 || remaining[0].ID != qrcodes[2].ID {
+		t.Fatalf("剩余二维码 = %+v, want id %d", remaining, qrcodes[2].ID)
+	}
+}
+
 func TestEnsureListingConversationCreatesQrCodeDeliveryTaskWhenStockEmpty(t *testing.T) {
 	db := setupQrCodeTestDB(t)
 	listing := model.RentalListing{

backend/internal/router/router.go

@@ -593,6 +593,7 @@ func New(cfg config.Config, deps Dependencies, logger *zap.Logger) *gin.Engine {
 			// 二维码池管理
 			adminRoutes.POST("/chats/qrcodes", requirePerm("chat:manage"), chatHandler.CreateQrCodeHandler)
 			adminRoutes.POST("/chats/qrcodes/batch", requirePerm("chat:manage"), chatHandler.BatchCreateQrCodeHandler)
+			adminRoutes.POST("/chats/qrcodes/batch-delete", requirePerm("chat:manage"), chatHandler.BatchDeleteQrCodeHandler)
 			adminRoutes.GET("/chats/qrcodes", requirePerm("chat:view"), chatHandler.ListQrCodesHandler)
 			adminRoutes.GET("/chats/qrcodes/stats", requirePerm("chat:view"), chatHandler.GetQrCodeStatsHandler)
 			adminRoutes.POST("/chats/qrcodes/ocr-group-name", requirePerm("chat:manage"), chatHandler.RecognizeQrCodeGroupNameHandler)

frontend/src/features/admin/api/adminQrCodes.ts

@@ -55,6 +55,10 @@ export interface UpdateQrCodePayload {
   clear_expires_at?: boolean
 }
 
+export interface BatchDeleteQrCodeResult {
+  deleted: number
+}
+
 export async function fetchQrCodes(query: QrCodeListQuery = {}) {
   const { data } = await apiClient.get<ApiResponse<PaginatedResult<ChatQrCode>>>(
     '/admin/chats/qrcodes',
@@ -111,3 +115,11 @@ export async function deleteQrCode(id: number) {
   const { data } = await apiClient.delete<ApiResponse<null>>(`/admin/chats/qrcodes/${id}`)
   return data.data
 }
+
+export async function batchDeleteQrCodes(ids: number[]) {
+  const { data } = await apiClient.post<ApiResponse<BatchDeleteQrCodeResult>>(
+    '/admin/chats/qrcodes/batch-delete',
+    { ids }
+  )
+  return data.data
+}

frontend/src/features/admin/views/AdminQrCodePoolView.vue

@@ -1,10 +1,19 @@
 <script setup lang="ts">
 import { computed, onBeforeUnmount, onMounted, reactive, ref } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
-import { Check, CopyDocument, Plus, Refresh, Search, UploadFilled } from '@element-plus/icons-vue'
+import {
+  Check,
+  CopyDocument,
+  Delete,
+  Plus,
+  Refresh,
+  Search,
+  UploadFilled,
+} from '@element-plus/icons-vue'
 
 import {
   batchCreateQrCodes,
+  batchDeleteQrCodes,
   deleteQrCode,
   fetchQrCodeStats,
   fetchQrCodes,
@@ -88,6 +97,9 @@ const uploading = computed(() => uploadPendingCount.value > 0)
 const uploadBusy = computed(() => uploading.value || uploadSaving.value)
 const uploadedImageCountText = computed(() => `${uploadedImages.value.length}/${maxBatchUploadCount}`)
 const renameLoadingIds = ref(new Set<number>())
+const selectedRows = ref<ChatQrCode[]>([])
+const selectedCount = computed(() => selectedRows.value.length)
+const selectedIssuedCount = computed(() => selectedRows.value.filter(qrcodeWasIssued).length)
 
 async function loadList() {
   loading.value = true
@@ -99,6 +111,7 @@ async function loadList() {
     })
     qrcodes.value = res.items
     total.value = res.total
+    selectedRows.value = []
   } finally {
     loading.value = false
   }
@@ -121,6 +134,10 @@ function handlePageChange() {
   loadList()
 }
 
+function handleSelectionChange(rows: ChatQrCode[]) {
+  selectedRows.value = rows
+}
+
 function parseGroupNameFromOcrText(text: string) {
   const lines = text
     .split(/\r?\n/)
@@ -324,6 +341,10 @@ function boundConversationLabel(row: ChatQrCode) {
   return ''
 }
 
+function qrcodeWasIssued(row: ChatQrCode) {
+  return row.status === 'used' || Boolean(row.conversation_id || row.used_at)
+}
+
 function setRenameLoading(id: number, loading: boolean) {
   const next = new Set(renameLoadingIds.value)
   if (loading) {
@@ -360,7 +381,11 @@ async function handleDisable(row: ChatQrCode) {
 }
 
 async function handleDelete(row: ChatQrCode) {
-  await ElMessageBox.confirm('确定删除该二维码？仅未使用的二维码可删除。', '删除确认', {
+  const tip =
+    qrcodeWasIssued(row)
+      ? '确定删除这条已发放二维码记录？删除后仅清理二维码池旧记录，不会影响已发送到群聊里的图片消息。'
+      : '确定删除该二维码？删除后将从二维码池移除。'
+  await ElMessageBox.confirm(tip, '删除确认', {
     type: 'warning',
   })
   await deleteQrCode(row.id)
@@ -368,6 +393,25 @@ async function handleDelete(row: ChatQrCode) {
   await reloadAll()
 }
 
+async function handleBatchDelete() {
+  if (!selectedCount.value) {
+    ElMessage.warning('请先选择要删除的二维码')
+    return
+  }
+
+  const tip = selectedIssuedCount.value
+    ? `确定删除选中的 ${selectedCount.value} 条二维码记录？其中 ${selectedIssuedCount.value} 条已发放，删除后仅清理二维码池旧记录，不会影响已发送到群聊里的图片消息。`
+    : `确定删除选中的 ${selectedCount.value} 条二维码？删除后将从二维码池移除。`
+  await ElMessageBox.confirm(tip, '批量删除确认', {
+    type: 'warning',
+  })
+
+  const result = await batchDeleteQrCodes(selectedRows.value.map(row => row.id))
+  selectedRows.value = []
+  ElMessage.success(`已删除 ${result.deleted} 条`)
+  await reloadAll()
+}
+
 onMounted(reloadAll)
 </script>
 
@@ -414,6 +458,15 @@ onMounted(reloadAll)
           <el-button :icon="Search" @click="handleFilter">筛选</el-button>
         </div>
         <div class="action-area">
+          <span v-if="selectedCount" class="selection-summary">已选 {{ selectedCount }} 条</span>
+          <el-button
+            type="danger"
+            :icon="Delete"
+            :disabled="!selectedCount"
+            @click="handleBatchDelete"
+          >
+            批量删除
+          </el-button>
           <el-button :icon="Refresh" @click="reloadAll">刷新</el-button>
           <el-button type="primary" :icon="Plus" @click="openUpload">添加二维码</el-button>
         </div>
@@ -422,7 +475,15 @@ onMounted(reloadAll)
 
     <!-- 列表 -->
     <el-card shadow="never" class="table-card">
-      <el-table v-loading="loading" :data="qrcodes" class="table-panel qrcode-table" :fit="true">
+      <el-table
+        v-loading="loading"
+        :data="qrcodes"
+        class="table-panel qrcode-table"
+        :fit="true"
+        row-key="id"
+        @selection-change="handleSelectionChange"
+      >
+        <el-table-column type="selection" class-name="selection-col" align="center" />
         <el-table-column label="二维码" class-name="qr-col" align="center">
           <template #default="{ row }">
             <div class="qrcode-thumb">
@@ -512,7 +573,6 @@ onMounted(reloadAll)
                 >停用</el-button
               >
               <el-button
-                v-if="row.status === 'unused'"
                 text
                 type="danger"
                 size="small"
@@ -798,6 +858,10 @@ onMounted(reloadAll)
   overflow-x: auto;
 }
 
+.qrcode-table :deep(.selection-col) {
+  width: 4%;
+}
+
 .qrcode-table :deep(.qr-col) {
   width: 8%;
 }
@@ -807,15 +871,15 @@ onMounted(reloadAll)
 }
 
 .qrcode-table :deep(.name-col) {
-  width: 18%;
+  width: 17%;
 }
 
 .qrcode-table :deep(.note-col) {
-  width: 18%;
+  width: 17%;
 }
 
 .qrcode-table :deep(.group-col) {
-  width: 18%;
+  width: 17%;
 }
 
 .qrcode-table :deep(.rename-col) {