refactor(credit): 移除多余的案号字段处理逻辑

- 删除了 CreditGqdjImportParam 中的 caseNumber3 字段及其 Excel 注解
- 移除了控制器中对 caseNumber3 的所有验证和处理逻辑
- 简化了案号字段的空值检查条件
- 更新了导入参数的过滤条件以匹配新的字段结构
- 优化了案号设置的条件判断流程

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

@@ -206,7 +206,7 @@ public class CreditGqdjController extends BaseController {
                 p -> p != null
                     && (!ImportHelper.isBlank(p.getCaseNumber())
                     || !ImportHelper.isBlank(p.getCaseNumber2())
-                    || !ImportHelper.isBlank(p.getCaseNumber3())),
+                ),
                 sheetIndex
             );
             List<CreditGqdjImportParam> list = importResult.getData();
@@ -222,8 +222,7 @@ public class CreditGqdjController extends BaseController {
                     this::isEmptyImportRow,
                     p -> p != null
                         && (!ImportHelper.isBlank(p.getCaseNumber())
-                        || !ImportHelper.isBlank(p.getCaseNumber2())
-                        || !ImportHelper.isBlank(p.getCaseNumber3()))
+                        || !ImportHelper.isBlank(p.getCaseNumber2()))
                 );
                 list = importResult.getData();
                 usedTitleRows = importResult.getTitleRows();
@@ -474,8 +473,7 @@ public class CreditGqdjController extends BaseController {
                 this::isEmptyImportRow,
                 p -> p != null
                     && (!ImportHelper.isBlank(p.getCaseNumber())
-                    || !ImportHelper.isBlank(p.getCaseNumber2())
-                    || !ImportHelper.isBlank(p.getCaseNumber3())),
+                    || !ImportHelper.isBlank(p.getCaseNumber2())),
                 sheetIndex
             );
             List<CreditGqdjImportParam> list = importResult.getData();
@@ -754,7 +752,6 @@ public class CreditGqdjController extends BaseController {
         // we still want to read the row and report "案号不能为空" instead of "未读取到数据".
         return ImportHelper.isBlank(param.getCaseNumber())
             && ImportHelper.isBlank(param.getCaseNumber2())
-            && ImportHelper.isBlank(param.getCaseNumber3())
             && ImportHelper.isBlank(param.getAppellee())
             && ImportHelper.isBlank(param.getAppellee2())
             && ImportHelper.isBlank(param.getPlaintiffAppellant())
@@ -782,8 +779,6 @@ public class CreditGqdjController extends BaseController {
 
         if (!ImportHelper.isBlank(param.getCaseNumber2())) {
             entity.setCaseNumber(param.getCaseNumber2());
-        } else if (!ImportHelper.isBlank(param.getCaseNumber3())) {
-            entity.setCaseNumber(param.getCaseNumber3());
         } else {
             entity.setCaseNumber(param.getCaseNumber());
         }

src/main/java/com/gxwebsoft/credit/param/CreditGqdjImportParam.java

@@ -20,10 +20,6 @@ public class CreditGqdjImportParam implements Serializable {
   @Excel(name = "案号")
   private String caseNumber2;
 
-  // Some upstream sources use "暗号" as the case number column.
-  @Excel(name = "暗号")
-  private String caseNumber3;
-
   @Excel(name = "被执行人")
   private String appellee;