在MyBatis中清空表数据的方法有两种:
<delete id="truncateTable">
TRUNCATE TABLE table_name;
</delete>
然后在Java代码中调用这个SQL语句:
SqlSession sqlSession = sqlSessionFactory.openSession();
try {
sqlSession.delete("truncateTable");
sqlSession.commit();
} finally {
sqlSession.close();
}
<delete id="deleteAll">
DELETE FROM table_name;
</delete>
然后在Java代码中调用这个SQL语句:
SqlSession sqlSession = sqlSessionFactory.openSession();
try {
sqlSession.delete("deleteAll");
sqlSession.commit();
} finally {
sqlSession.close();
}
这两种方法都可以用来清空表数据,选择哪种方法取决于具体的需求和情况。