ADD file via upload

src/main/java/com/dao/MessageInfoDao.java

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+package com.example.dao;
+
+import com.example.entity.MessageInfo;
+import com.example.vo.MessageInfoVo;
+import org.apache.ibatis.annotations.Param;
+import org.springframework.stereotype.Repository;
+import tk.mybatis.mapper.common.Mapper;
+
+import java.util.List;
+
+@Repository
+public interface MessageInfoDao extends Mapper<MessageInfo> {
+    List<MessageInfoVo> findByName(@Param("name") String name);
+    
+    
+    
+    Integer count();
+}