update

src/main/java/com/lovenav/dao/CommentDao.java

@@ -0,0 +1,19 @@
+package com.lovenav.dao;
+
+import com.lovenav.entity.Comment;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CommentDao {
+    int deleteByPrimaryKey(Integer id);
+
+    int insert(Comment record);
+
+    int insertSelective(Comment record);
+
+    Comment selectByPrimaryKey(Integer id);
+
+    int updateByPrimaryKeySelective(Comment record);
+
+    int updateByPrimaryKey(Comment record);
+}