总表更新

backend-java/src/main/java/com/nanri/aiimage/modules/dedupe/controller/DedupeTotalDataController.java

@@ -75,6 +75,23 @@ public class DedupeTotalDataController {
         return ApiResponse.success(dedupeTotalDataService.getImportProgress(importId));
     }
 
+    @PostMapping("/delete-import")
+    @Operation(summary = "删除导入总数据", description = "上传 xlsx 文件，读取 ASIN 列并批量删除已存在的数据去重总数据。")
+    @ApiResponses({
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "200", description = "启动删除成功", content = @Content(schema = @Schema(implementation = DedupeTotalDataImportStartVo.class))),
+            @io.swagger.v3.oas.annotations.responses.ApiResponse(responseCode = "400", description = "文件不合法或缺少 ASIN 列")
+    })
+    public ApiResponse<DedupeTotalDataImportStartVo> deleteImportExcel(
+            @Parameter(description = "xlsx 文件", required = true) @RequestParam("file") MultipartFile file) {
+        return ApiResponse.success("开始删除", dedupeTotalDataService.startDeleteImport(file));
+    }
+
+    @GetMapping("/delete-import/{importId}")
+    @Operation(summary = "查询删除导入进度", description = "根据删除导入任务 ID 查询当前进度。")
+    public ApiResponse<DedupeTotalDataImportProgressVo> deleteImportProgress(@PathVariable String importId) {
+        return ApiResponse.success(dedupeTotalDataService.getDeleteImportProgress(importId));
+    }
+
     @PutMapping("/{id}")
     @Operation(summary = "更新总数据", description = "按 ID 更新一条数据去重总数据。")
     @ApiResponses({

backend-java/src/main/java/com/nanri/aiimage/modules/dedupe/service/DedupeRunService.java

@@ -262,25 +262,9 @@ public class DedupeRunService {
             }
 
             Integer idColumnIndex = headerMap.get("id");
-            Map<String, Boolean> mainIdHasSubIdMap = new HashMap<>();
             if (idColumnIndex != null) {
-                for (int rowNum = 1; rowNum <= sheet.getLastRowNum(); rowNum++) {
-                    Row row = sheet.getRow(rowNum);
-                    if (row == null) {
-                        continue;
-                    }
-                    String idValue = normalizeCellText(formatter.formatCellValue(row.getCell(idColumnIndex)));
-                    String mainId = extractMainId(idValue);
-                    if (mainId.isEmpty()) {
-                        continue;
-                    }
-                    if (!mainIdHasSubIdMap.containsKey(mainId)) {
-                        mainIdHasSubIdMap.put(mainId, false);
-                    }
-                    if (idValue.matches("\\d+_\\d+")) {
-                        mainIdHasSubIdMap.put(mainId, true);
-                    }
-                }
+                // The preliminary global scan for mainIdHasSubIdMap was removed.
+                // We now determine subset existence contextually (per group) during the main loop.
             }
             int outputRowIndex = 1;
             for (int rowNum = 1; rowNum <= sheet.getLastRowNum(); rowNum++) {
@@ -290,7 +274,7 @@ public class DedupeRunService {
                 }
                 if (idColumnIndex != null) {
                     String idValue = normalizeCellText(formatter.formatCellValue(row.getCell(idColumnIndex)));
-                    if (!shouldKeepId(idValue, keepIntegerIds, keepUnderscoreIds, keepIntegerMainIdsWhenNoSubIds, mainIdHasSubIdMap)) {
+                    if (!shouldKeepId(idValue, keepIntegerIds, keepUnderscoreIds, keepIntegerMainIdsWhenNoSubIds, sheet, rowNum, idColumnIndex, formatter)) {
                         continue;
                     }
                 }
@@ -342,7 +326,7 @@ public class DedupeRunService {
     }
 
     private boolean shouldKeepId(String text, boolean keepIntegerIds, boolean keepUnderscoreIds,
-                                 boolean keepIntegerMainIdsWhenNoSubIds, Map<String, Boolean> mainIdHasSubIdMap) {
+                                 boolean keepIntegerMainIdsWhenNoSubIds, Sheet sheet, int currentRowNum, int idColumnIndex, DataFormatter formatter) {
         if (text == null || text.isBlank()) {
             return false;
         }
@@ -354,7 +338,29 @@ public class DedupeRunService {
         }
         if (keepIntegerMainIdsWhenNoSubIds && text.matches("\\d+")) {
             String mainId = extractMainId(text);
-            return !mainId.isEmpty() && !Boolean.TRUE.equals(mainIdHasSubIdMap.get(mainId));
+            if (mainId.isEmpty()) return false;
+            
+            boolean hasSubIdInGroup = false;
+            for (int r = currentRowNum + 1; r <= sheet.getLastRowNum(); r++) {
+                Row nextRow = sheet.getRow(r);
+                if (nextRow == null) continue;
+                Cell cell = nextRow.getCell(idColumnIndex);
+                if (cell == null) continue;
+                String nextIdValue = normalizeCellText(formatter.formatCellValue(cell));
+                if (nextIdValue.isBlank()) continue;
+                
+                String nextMainId = extractMainId(nextIdValue);
+                if (nextMainId.equals(mainId)) {
+                    if (nextIdValue.matches("\\d+_\\d+")) {
+                        hasSubIdInGroup = true;
+                        break;
+                    }
+                } else {
+                    // Encountered a different main ID. The group for 'mainId' has ended.
+                    break;
+                }
+            }
+            return !hasSubIdInGroup;
         }
         return false;
     }

backend-java/src/main/java/com/nanri/aiimage/modules/dedupe/service/DedupeTotalDataService.java

@@ -38,6 +38,7 @@ public class DedupeTotalDataService {
 
     private final DedupeTotalDataMapper dedupeTotalDataMapper;
     private final Map<String, DedupeTotalDataImportProgressVo> importProgressMap = new ConcurrentHashMap<>();
+    private final Map<String, DedupeTotalDataImportProgressVo> deleteImportProgressMap = new ConcurrentHashMap<>();
 
     public DedupeTotalDataPageVo page(long page, long pageSize, String keyword) {
         long safePage = Math.max(page, 1);
@@ -105,6 +106,62 @@ public class DedupeTotalDataService {
         return progress;
     }
 
+    public DedupeTotalDataImportStartVo startDeleteImport(MultipartFile file) {
+        if (file == null || file.isEmpty()) {
+            throw new BusinessException("请上传 xlsx 文件");
+        }
+        String importId = IdUtil.fastSimpleUUID();
+        DedupeTotalDataImportProgressVo progress = new DedupeTotalDataImportProgressVo();
+        progress.setStatus("pending");
+        progress.setTotalRows(0);
+        progress.setProcessedRows(0);
+        progress.setAsinCount(0);
+        progress.setInsertedCount(0);
+        progress.setSkippedCount(0);
+        deleteImportProgressMap.put(importId, progress);
+
+        try {
+            byte[] fileBytes = file.getBytes();
+            String filename = file.getOriginalFilename();
+            Thread.ofVirtual().start(() -> runDeleteImportTask(importId, fileBytes, filename));
+        } catch (Exception e) {
+            deleteImportProgressMap.remove(importId);
+            throw new BusinessException("读取上传文件失败");
+        }
+
+        DedupeTotalDataImportStartVo vo = new DedupeTotalDataImportStartVo();
+        vo.setImportId(importId);
+        return vo;
+    }
+
+    public DedupeTotalDataImportProgressVo getDeleteImportProgress(String importId) {
+        DedupeTotalDataImportProgressVo progress = deleteImportProgressMap.get(importId);
+        if (progress == null) {
+            throw new BusinessException("删除任务不存在");
+        }
+        return progress;
+    }
+
+    private void runDeleteImportTask(String importId, byte[] fileBytes, String filename) {
+        DedupeTotalDataImportProgressVo progress = deleteImportProgressMap.get(importId);
+        if (progress == null) {
+            return;
+        }
+        progress.setStatus("running");
+        try (InputStream inputStream = new ByteArrayInputStream(fileBytes)) {
+            DedupeTotalDataImportVo result = deleteFromExcelInternal(inputStream, filename, progress);
+            progress.setTotalRows(result.getTotalRows());
+            progress.setAsinCount(result.getAsinCount());
+            progress.setInsertedCount(result.getInsertedCount());
+            progress.setSkippedCount(result.getSkippedCount());
+            progress.setProcessedRows(result.getTotalRows());
+            progress.setStatus("success");
+        } catch (Exception e) {
+            progress.setStatus("failed");
+            progress.setErrorMessage(e instanceof BusinessException ? e.getMessage() : "删除 Excel 匹配数据失败");
+        }
+    }
+
     private void runImportTask(String importId, byte[] fileBytes, String filename) {
         DedupeTotalDataImportProgressVo progress = importProgressMap.get(importId);
         if (progress == null) {
@@ -139,6 +196,20 @@ public class DedupeTotalDataService {
         }
     }
 
+    @Transactional
+    public DedupeTotalDataImportVo deleteFromExcel(MultipartFile file) {
+        if (file == null || file.isEmpty()) {
+            throw new BusinessException("请上传 xlsx 文件");
+        }
+        try (InputStream inputStream = file.getInputStream()) {
+            return deleteFromExcelInternal(inputStream, file.getOriginalFilename(), null);
+        } catch (BusinessException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new BusinessException("删除 Excel 匹配数据失败");
+        }
+    }
+
     @Transactional
     private DedupeTotalDataImportVo importFromExcelInternal(InputStream inputStream, String filename, DedupeTotalDataImportProgressVo progress) {
         String lowerFilename = filename == null ? "" : filename.toLowerCase();
@@ -252,6 +323,112 @@ public class DedupeTotalDataService {
         }
     }
 
+    @Transactional
+    private DedupeTotalDataImportVo deleteFromExcelInternal(InputStream inputStream, String filename, DedupeTotalDataImportProgressVo progress) {
+        String lowerFilename = filename == null ? "" : filename.toLowerCase();
+        if (!(lowerFilename.endsWith(".xlsx") || lowerFilename.endsWith(".xls"))) {
+            throw new BusinessException("仅支持 .xlsx 或 .xls 文件");
+        }
+
+        DataFormatter formatter = new DataFormatter();
+        try (Workbook workbook = org.apache.poi.ss.usermodel.WorkbookFactory.create(inputStream)) {
+            Sheet sheet = workbook.getSheetAt(0);
+            Row headerRow = sheet.getRow(0);
+            if (headerRow == null) {
+                throw new BusinessException("Excel 表头为空");
+            }
+
+            Map<String, Integer> headerMap = new HashMap<>();
+            for (int i = 0; i < headerRow.getLastCellNum(); i++) {
+                Cell cell = headerRow.getCell(i);
+                String value = normalizeExcelText(cell == null ? null : formatter.formatCellValue(cell));
+                if (!value.isBlank() && !headerMap.containsKey(value)) {
+                    headerMap.put(value, i);
+                }
+            }
+
+            Integer asinIndex = headerMap.get("ASIN");
+            if (asinIndex == null) {
+                throw new BusinessException("缺少 ASIN 列");
+            }
+
+            Set<String> seenInFile = new HashSet<>();
+            int totalRows = Math.max(sheet.getLastRowNum(), 0);
+            int asinCount = 0;
+            int deletedCount = 0;
+            int skippedCount = 0;
+            if (progress != null) {
+                progress.setTotalRows(totalRows);
+                progress.setProcessedRows(0);
+                progress.setAsinCount(0);
+                progress.setInsertedCount(0);
+                progress.setSkippedCount(0);
+                progress.setErrorMessage(null);
+            }
+
+            for (int rowNum = 1; rowNum <= sheet.getLastRowNum(); rowNum++) {
+                Row row = sheet.getRow(rowNum);
+                if (row == null) {
+                    skippedCount++;
+                    if (progress != null) {
+                        progress.setProcessedRows(rowNum);
+                        progress.setAsinCount(asinCount);
+                        progress.setInsertedCount(deletedCount);
+                        progress.setSkippedCount(skippedCount);
+                    }
+                    continue;
+                }
+                String asin = normalizeExcelText(formatter.formatCellValue(row.getCell(asinIndex)));
+                if (asin.isBlank()) {
+                    skippedCount++;
+                    if (progress != null) {
+                        progress.setProcessedRows(rowNum);
+                        progress.setAsinCount(asinCount);
+                        progress.setInsertedCount(deletedCount);
+                        progress.setSkippedCount(skippedCount);
+                    }
+                    continue;
+                }
+                asinCount++;
+                String dataValue = normalizeDataValue(asin);
+                if (!seenInFile.add(dataValue)) {
+                    skippedCount++;
+                    if (progress != null) {
+                        progress.setProcessedRows(rowNum);
+                        progress.setAsinCount(asinCount);
+                        progress.setInsertedCount(deletedCount);
+                        progress.setSkippedCount(skippedCount);
+                    }
+                    continue;
+                }
+
+                int deletedThisRow = deleteByDataValue(dataValue);
+                if (deletedThisRow > 0) {
+                    deletedCount += deletedThisRow;
+                } else {
+                    skippedCount++;
+                }
+                if (progress != null) {
+                    progress.setProcessedRows(rowNum);
+                    progress.setAsinCount(asinCount);
+                    progress.setInsertedCount(deletedCount);
+                    progress.setSkippedCount(skippedCount);
+                }
+            }
+
+            DedupeTotalDataImportVo vo = new DedupeTotalDataImportVo();
+            vo.setTotalRows(totalRows);
+            vo.setAsinCount(asinCount);
+            vo.setInsertedCount(deletedCount);
+            vo.setSkippedCount(skippedCount);
+            return vo;
+        } catch (BusinessException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new BusinessException("删除 Excel 匹配数据失败");
+        }
+    }
+
     @Transactional
     public DedupeTotalDataItemVo update(Long id, DedupeTotalDataUpdateRequest request) {
         DedupeTotalDataEntity entity = getById(id);
@@ -301,6 +478,11 @@ public class DedupeTotalDataService {
         return dedupeTotalDataMapper.selectOne(query) != null;
     }
 
+    private int deleteByDataValue(String dataValue) {
+        return dedupeTotalDataMapper.delete(new LambdaQueryWrapper<DedupeTotalDataEntity>()
+                .eq(DedupeTotalDataEntity::getDataValue, dataValue));
+    }
+
     private String normalizeExcelText(String value) {
         if (value == null) {
             return "";

backend/blueprints/admin_api.py

@@ -679,6 +679,54 @@ def import_dedupe_total_data():
     })
 
 
+@admin_api.route('/dedupe-total-data/delete-import/<import_id>')
+@admin_required
+def dedupe_total_data_delete_import_progress(import_id):
+    result, error_response, status = _proxy_backend_java(
+        'GET',
+        f'/api/admin/dedupe-total-data/delete-import/{import_id}',
+    )
+    if error_response is not None:
+        return error_response, status
+    progress = result.get('data') or {}
+    return jsonify({
+        'success': True,
+        'progress': {
+            'status': progress.get('status') or 'pending',
+            'total_rows': progress.get('totalRows') or 0,
+            'processed_rows': progress.get('processedRows') or 0,
+            'asin_count': progress.get('asinCount') or 0,
+            'deleted_count': progress.get('insertedCount') or 0,
+            'skipped_count': progress.get('skippedCount') or 0,
+            'error_message': progress.get('errorMessage') or '',
+        },
+    })
+
+
+@admin_api.route('/dedupe-total-data/delete-import', methods=['POST'])
+@admin_required
+def delete_import_dedupe_total_data():
+    file_storage = request.files.get('file')
+    if not file_storage or file_storage.filename == '':
+        return jsonify({'success': False, 'error': '请选择 Excel 文件'})
+    files = {
+        'file': (file_storage.filename, file_storage.stream, file_storage.mimetype or 'application/octet-stream')
+    }
+    result, error_response, status = _proxy_backend_java(
+        'POST',
+        '/api/admin/dedupe-total-data/delete-import',
+        files=files,
+    )
+    if error_response is not None:
+        return error_response, status
+    summary = result.get('data') or {}
+    return jsonify({
+        'success': True,
+        'msg': result.get('message') or '开始删除',
+        'import_id': summary.get('importId') or '',
+    })
+
+
 @admin_api.route('/dedupe-total-data', methods=['POST'])
 @admin_required
 def create_dedupe_total_data():

backend/config.py

@@ -23,6 +23,7 @@ bucket_path = "nanri-image/"
 file_url_pre = f"https://{bucket}.oss-cn-hangzhou.aliyuncs.com/"
 
 import os
+# backend_java_base_url = os.environ.get('BACKEND_JAVA_BASE_URL', 'http://127.0.0.1:18080').rstrip('/')
 backend_java_base_url = os.environ.get('BACKEND_JAVA_BASE_URL', 'http://8.136.19.173:18080').rstrip('/')
 os.environ['OSS_ACCESS_KEY_ID'] = accessKeyId
 os.environ['OSS_ACCESS_KEY_SECRET'] = accessKeySecret

backend/web_source/admin.html

@@ -251,18 +251,37 @@
     <!-- 数据去重总数据 -->
     <div id="panel-dedupe-total-data" class="tab-panel">
         <div class="form-box">
-            <h3 style="margin-bottom:16px;font-size:15px;">新增总数据</h3>
-            <div class="form-row">
-                <div class="form-group" style="min-width:320px;">
-                    <label>上传 Excel 文件（读取 ASIN 列）</label>
-                    <input type="file" id="dedupeTotalDataFile" accept=".xlsx,.xls">
+            <div class="form-row" style="align-items:flex-start;gap:16px;">
+                <div style="flex:1;min-width:320px;">
+                    <h3 style="margin-bottom:16px;font-size:15px;">新增总数据</h3>
+                    <div class="form-row">
+                        <div class="form-group" style="min-width:320px;">
+                            <label>上传 Excel 文件（读取 ASIN 列）</label>
+                            <input type="file" id="dedupeTotalDataFile" accept=".xlsx,.xls">
+                        </div>
+                        <button class="btn" id="btnAddDedupeTotalData">上传并导入</button>
+                    </div>
+                    <p class="msg" id="msgDedupeTotalData"></p>
+                    <div class="progress-wrap" id="dedupeTotalDataProgressWrap" style="display:none;">
+                        <div class="progress-bar"><div class="progress-fill" id="dedupeTotalDataProgressFill"></div></div>
+                        <div class="progress-text" id="dedupeTotalDataProgressText"></div>
+                    </div>
+                </div>
+                <div style="flex:1;min-width:320px;">
+                    <h3 style="margin-bottom:16px;font-size:15px;">删除匹配总数据</h3>
+                    <div class="form-row">
+                        <div class="form-group" style="min-width:320px;">
+                            <label>上传 Excel 文件（读取 ASIN 列）</label>
+                            <input type="file" id="dedupeTotalDataDeleteFile" accept=".xlsx,.xls">
+                        </div>
+                        <button class="btn btn-danger" id="btnDeleteImportDedupeTotalData">上传并删除</button>
+                    </div>
+                    <p class="msg" id="msgDeleteDedupeTotalData"></p>
+                    <div class="progress-wrap" id="dedupeTotalDataDeleteProgressWrap" style="display:none;">
+                        <div class="progress-bar"><div class="progress-fill" id="dedupeTotalDataDeleteProgressFill"></div></div>
+                        <div class="progress-text" id="dedupeTotalDataDeleteProgressText"></div>
+                    </div>
                 </div>
-                <button class="btn" id="btnAddDedupeTotalData">上传并导入</button>
-            </div>
-            <p class="msg" id="msgDedupeTotalData"></p>
-            <div class="progress-wrap" id="dedupeTotalDataProgressWrap" style="display:none;">
-                <div class="progress-bar"><div class="progress-fill" id="dedupeTotalDataProgressFill"></div></div>
-                <div class="progress-text" id="dedupeTotalDataProgressText"></div>
             </div>
         </div>
         <div class="panel-box">
@@ -869,12 +888,19 @@
             }
             document.getElementById('btnSearchDedupeTotalData').onclick = function() { loadDedupeTotalData(1); };
             var dedupeImportPollTimer = null;
+            var dedupeDeleteImportPollTimer = null;
             function stopDedupeImportProgress() {
                 if (dedupeImportPollTimer) {
                     clearInterval(dedupeImportPollTimer);
                     dedupeImportPollTimer = null;
                 }
             }
+            function stopDedupeDeleteImportProgress() {
+                if (dedupeDeleteImportPollTimer) {
+                    clearInterval(dedupeDeleteImportPollTimer);
+                    dedupeDeleteImportPollTimer = null;
+                }
+            }
             function setDedupeImportProgress(percent, text) {
                 var wrap = document.getElementById('dedupeTotalDataProgressWrap');
                 var fill = document.getElementById('dedupeTotalDataProgressFill');
@@ -883,6 +909,14 @@
                 fill.style.width = Math.max(0, Math.min(100, percent || 0)) + '%';
                 textEl.textContent = text || '';
             }
+            function setDedupeDeleteImportProgress(percent, text) {
+                var wrap = document.getElementById('dedupeTotalDataDeleteProgressWrap');
+                var fill = document.getElementById('dedupeTotalDataDeleteProgressFill');
+                var textEl = document.getElementById('dedupeTotalDataDeleteProgressText');
+                wrap.style.display = 'block';
+                fill.style.width = Math.max(0, Math.min(100, percent || 0)) + '%';
+                textEl.textContent = text || '';
+            }
             function pollDedupeImport(importId) {
                 stopDedupeImportProgress();
                 function tick() {
@@ -920,6 +954,43 @@
                 tick();
                 dedupeImportPollTimer = setInterval(tick, 1000);
             }
+            function pollDedupeDeleteImport(importId) {
+                stopDedupeDeleteImportProgress();
+                function tick() {
+                    fetch('/api/admin/dedupe-total-data/delete-import/' + encodeURIComponent(importId))
+                        .then(function(r) { return r.json(); })
+                        .then(function(res) {
+                            if (!res.success) {
+                                stopDedupeDeleteImportProgress();
+                                document.getElementById('msgDeleteDedupeTotalData').textContent = res.error || '查询删除进度失败';
+                                document.getElementById('msgDeleteDedupeTotalData').className = 'msg err';
+                                return;
+                            }
+                            var progress = res.progress || {};
+                            var totalRows = progress.total_rows || 0;
+                            var processedRows = progress.processed_rows || 0;
+                            var percent = totalRows > 0 ? Math.round(processedRows * 100 / totalRows) : 0;
+                            setDedupeDeleteImportProgress(percent, '处理中：已处理 ' + processedRows + ' / ' + totalRows + '，删除 ' + (progress.deleted_count || 0) + '，跳过 ' + (progress.skipped_count || 0));
+                            if (progress.status === 'success') {
+                                stopDedupeDeleteImportProgress();
+                                document.getElementById('msgDeleteDedupeTotalData').textContent = '删除成功：总行数 ' + (progress.total_rows || 0) + '，ASIN 数量 ' + (progress.asin_count || 0) + '，删除 ' + (progress.deleted_count || 0) + '，跳过 ' + (progress.skipped_count || 0);
+                                document.getElementById('msgDeleteDedupeTotalData').className = 'msg ok';
+                                loadDedupeTotalData(1);
+                            } else if (progress.status === 'failed') {
+                                stopDedupeDeleteImportProgress();
+                                document.getElementById('msgDeleteDedupeTotalData').textContent = progress.error_message || '删除失败';
+                                document.getElementById('msgDeleteDedupeTotalData').className = 'msg err';
+                            }
+                        })
+                        .catch(function() {
+                            stopDedupeDeleteImportProgress();
+                            document.getElementById('msgDeleteDedupeTotalData').textContent = '查询删除进度失败';
+                            document.getElementById('msgDeleteDedupeTotalData').className = 'msg err';
+                        });
+                }
+                tick();
+                dedupeDeleteImportPollTimer = setInterval(tick, 1000);
+            }
 
             document.getElementById('btnAddDedupeTotalData').onclick = function() {
                 var fileInput = document.getElementById('dedupeTotalDataFile');
@@ -974,6 +1045,62 @@
                 };
                 xhr.send(formData);
             };
+            document.getElementById('btnDeleteImportDedupeTotalData').onclick = function() {
+                var fileInput = document.getElementById('dedupeTotalDataDeleteFile');
+                var msgEl = document.getElementById('msgDeleteDedupeTotalData');
+                msgEl.textContent = '';
+                msgEl.className = 'msg';
+                stopDedupeDeleteImportProgress();
+                document.getElementById('dedupeTotalDataDeleteProgressWrap').style.display = 'none';
+                if (!fileInput.files || fileInput.files.length === 0) {
+                    msgEl.textContent = '请选择 Excel 文件';
+                    msgEl.classList.add('err');
+                    return;
+                }
+                var file = fileInput.files[0];
+                var lowerName = (file.name || '').toLowerCase();
+                if (!(lowerName.endsWith('.xlsx') || lowerName.endsWith('.xls'))) {
+                    msgEl.textContent = '仅支持 .xlsx 或 .xls 文件';
+                    msgEl.classList.add('err');
+                    return;
+                }
+                if (!confirm('确定按 Excel 中的 ASIN 批量删除匹配的总数据吗？')) {
+                    return;
+                }
+                var formData = new FormData();
+                formData.append('file', file);
+                var xhr = new XMLHttpRequest();
+                xhr.open('POST', '/api/admin/dedupe-total-data/delete-import', true);
+                xhr.upload.onprogress = function(event) {
+                    if (event.lengthComputable) {
+                        var percent = Math.round(event.loaded * 100 / event.total);
+                        setDedupeDeleteImportProgress(percent, '上传中：' + percent + '%');
+                    }
+                };
+                xhr.onreadystatechange = function() {
+                    if (xhr.readyState !== 4) return;
+                    if (xhr.status < 200 || xhr.status >= 300) {
+                        msgEl.textContent = '请求失败';
+                        msgEl.className = 'msg err';
+                        return;
+                    }
+                    var res;
+                    try { res = JSON.parse(xhr.responseText || '{}'); } catch (e) { res = { success: false, error: '返回格式错误' }; }
+                    if (!res.success) {
+                        msgEl.textContent = res.error || '删除失败';
+                        msgEl.className = 'msg err';
+                        return;
+                    }
+                    setDedupeDeleteImportProgress(100, '上传完成，后端处理中...');
+                    pollDedupeDeleteImport(res.import_id);
+                    fileInput.value = '';
+                };
+                xhr.onerror = function() {
+                    msgEl.textContent = '请求失败';
+                    msgEl.className = 'msg err';
+                };
+                xhr.send(formData);
+            };
             document.getElementById('btnSaveDedupeTotalData').onclick = function() {
                 var itemId = document.getElementById('editDedupeTotalDataId').value;
                 var value = (document.getElementById('editDedupeTotalDataValue').value || '').trim();