first version of aida_back

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

@@ -0,0 +1,22 @@
+package com.ai.da.service;
+
+import com.ai.da.mapper.entity.DesignItemDetail;
+import com.baomidou.mybatisplus.extension.service.IService;
+import sun.security.krb5.internal.crypto.Des;
+
+import java.util.List;
+
+/**
+ * 服务类
+ *
+ * @author yanglei
+ * @since 2022-09-11
+ */
+public interface DesignItemDetailService extends IService<DesignItemDetail> {
+
+    int deleteByDesignId(Long designId);
+
+    int deleteByDesignItemId(Long designItemId);
+
+    List<DesignItemDetail> selectByDesignItemId(Long designItemId);
+}