update

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

@@ -0,0 +1,22 @@
+package com.lovenav.dao;
+
+import com.lovenav.entity.User;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UserDao {
+    int deleteByPrimaryKey(Integer id);
+
+    int insert(User record);
+
+    int insertSelective(User record);
+
+    User selectByPrimaryKey(Integer id);
+
+    int updateByPrimaryKeySelective(User record);
+
+    int updateByPrimaryKey(User record);
+
+
+
+}