first commit

src/main/java/com/peanut/modules/book/dao/BuyOrderDetailDao.java

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+package com.peanut.modules.book.dao;
+
+import com.peanut.modules.book.entity.BuyOrderDetailEntity;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+
+/**
+ * 商品订单详情表
+ * 
+ * @author yl
+ * @email yl328572838@163.com
+ * @date 2022-08-29 15:27:44
+ */
+@Mapper
+public interface BuyOrderDetailDao extends BaseMapper<BuyOrderDetailEntity> {
+
+    public List<BuyOrderDetailEntity> queryListByOrderIds(Integer[] ids);
+	
+}