designSingle 、getDetail 添加返回印花详细

src/main/java/com/ai/da/service/DesignItemDetailPrintService.java

@@ -0,0 +1,12 @@
+package com.ai.da.service;
+
+import com.ai.da.mapper.entity.DesignItemDetailPrint;
+import com.baomidou.mybatisplus.extension.service.IService;
+
+import java.util.List;
+
+public interface DesignItemDetailPrintService extends IService<DesignItemDetailPrint> {
+    List<DesignItemDetailPrint> getByDesignItemDetailId(Long designItemDetailId);
+
+    void deleteByDesignItemDetailId(Long designItemDetailId);
+}