fix(jg):监管查询，使用登记证列表导出字段超过Excel单元格限制问题处理

amos-boot-system-tzs/amos-boot-module-jg/amos-boot-module-jg-biz/src/main/java/com/yeejoin/amos/boot/module/jg/biz/service/impl/JgTableDataExportServiceImpl.java

@@ -436,12 +436,29 @@ public class JgTableDataExportServiceImpl implements IJgTableDataExportService {
         }
         List<RegistrationVo> exportData = registrationMapper.queryRegistrationInIds(dto, client);
         for (RegistrationVo vo : exportData) {
+            vo.setEquCode(limitByComma(vo.getEquCode()));
+            vo.setSupervisoryCode(limitByComma(vo.getSupervisoryCode()));
             vo.setRegType(RegTypeEnum.getNameByCode(vo.getRegType()).orElse(RegTypeEnum.REGISTRATION_NEW.getName()));
         }
         ExcelUtil.createTemplate(response, "使用登记列表数据", "使用登记列表", exportData, RegistrationVo.class, null, false);
     }
 
     /**
+     * 截取逗号分隔字符串，只保留前100项，多余用 "..." 代替
+     */
+    private String limitByComma(String equCode) {
+        if (equCode == null || equCode.trim().isEmpty()) {
+            return "";
+        }
+        String[] parts = equCode.split(",");
+        if (parts.length <= 100) {
+            return equCode;
+        }
+        // 只保留前100项并添加省略号
+        return String.join(",", Arrays.copyOf(parts, 100)) + "...";
+    }
+
+    /**
      * 单位变更列表数据导出
      *
      * @param response 响应