增加pdf，xlsx，docx文件预览功能

yangys

2025-12-03 b4d10ff7535002dddb63a0b28ddb37fee7ed1e9d

 blade-service/blade-mdm/src/main/java/org/springblade/mdm/program/service/NcProgramApprovedService.java

@@ -6,6 +6,7 @@
import lombok.extern.slf4j.Slf4j;
import org.springblade.core.mp.base.BizServiceImpl;
import org.springblade.core.mp.support.Condition;
import org.springblade.mdm.basesetting.producedivision.mapper.MdmUserMapper;
import org.springblade.mdm.program.entity.NcProgramApproved;
import org.springblade.mdm.program.mapper.NcProgramApprovedMapper;
import org.springblade.mdm.program.vo.NcProgramExportDncPageVO;