first version of aida_back

src/main/java/com/ai/da/mapper/DesignMapper.java

@@ -0,0 +1,17 @@
+package com.ai.da.mapper;
+
+import com.ai.da.common.config.mybatis.plus.CommonMapper;
+import com.ai.da.mapper.entity.Collection;
+import com.ai.da.mapper.entity.Design;
+
+/**
+ * Mapper 接口
+ *
+ * @author easy-generator
+ * @since 2022-06-13
+ */
+public interface DesignMapper extends CommonMapper<Design> {
+
+    //返回插入数据后生成的主键
+    Long insertDesign(Design design);
+}