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src/main/java/com/yj/earth/business/mapper/MatterMapper.java

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+package com.yj.earth.business.mapper;
+
+import com.yj.earth.business.domain.Matter;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author 周志雄
+ * @since 2025-10-30
+ */
+@Mapper
+public interface MatterMapper extends BaseMapper<Matter> {
+
+}