feat(credit): 改进用户导入功能并过滤空行

- 在尝试导入时增加对空行的过滤处理
- 添加 filterEmptyRows 方法以移除完全空白的导入行
- 扩展 fallback 导入逻辑至三种表头情况
- 移除对唯一标识字段非空的强制校验
- 提升导入稳定性与容错能力

src/main/java/com/gxwebsoft/credit/controller/CreditUserController.java

@@ -146,16 +146,18 @@ public class CreditUserController extends BaseController {
         int successCount = 0;
 
         try {
-            List<CreditUserImportParam> list = filterEmptyRows(tryImport(file, 1, 1));
-          System.out.println("list = " + list);
-            if (CollectionUtils.isEmpty(list)) {
-                list = filterEmptyRows(tryImport(file, 0, 1)); // fallback：无标题行，只有表头
-            }
-            if (CollectionUtils.isEmpty(list)) {
-                list = filterEmptyRows(tryImport(file, 0, 2)); // fallback：两行表头
-            }
-            if (CollectionUtils.isEmpty(list)) {
-                list = filterEmptyRows(tryImport(file, 0, 3)); // fallback：三行表头
+            List<CreditUserImportParam> list = null;
+            int usedTitleRows = 0;
+            int usedHeadRows = 0;
+            int[][] tryConfigs = new int[][]{{1, 1}, {0, 1}, {0, 2}, {0, 3}};
+
+            for (int[] config : tryConfigs) {
+                list = filterEmptyRows(tryImport(file, config[0], config[1]));
+                if (!CollectionUtils.isEmpty(list)) {
+                    usedTitleRows = config[0];
+                    usedHeadRows = config[1];
+                    break;
+                }
             }
             if (CollectionUtils.isEmpty(list)) {
                 return fail("未读取到数据，请确认模板表头与示例格式一致", null);
@@ -189,20 +191,25 @@ public class CreditUserController extends BaseController {
                     if (item.getDeleted() == null) {
                         item.setDeleted(0);
                     }
+                    int excelRowNumber = i + 1 + usedTitleRows + usedHeadRows;
                     // 验证必填字段
                     if (item.getName() == null || item.getName().trim().isEmpty()) {
-                        errorMessages.add("第" + (i + 1) + "行：项目名称不能为空");
+                        errorMessages.add("第" + excelRowNumber + "行：项目名称不能为空");
+                        continue;
+                    }
+                    if (item.getCode() == null || item.getCode().trim().isEmpty()) {
+                        errorMessages.add("第" + excelRowNumber + "行：唯一标识不能为空");
                         continue;
                     }
-                  System.out.println("item = " + item);
 
                     if (creditUserService.save(item)) {
                         successCount++;
                     } else {
-                        errorMessages.add("第" + (i + 1) + "行：保存失败");
+                        errorMessages.add("第" + excelRowNumber + "行：保存失败");
                     }
                 } catch (Exception e) {
-                    errorMessages.add("第" + (i + 1) + "行：" + e.getMessage());
+                    int excelRowNumber = i + 1 + usedTitleRows + usedHeadRows;
+                    errorMessages.add("第" + excelRowNumber + "行：" + e.getMessage());
                     e.printStackTrace();
                 }
             }