加之前：
Creating a new SqlSession
SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@637d23cb] was not registered for synchronization because synchronization is not active
JDBC Connection [HikariProxyConnection@416848817 wrapping com.mysql.cj.jdbc.ConnectionImpl@5c2e67c9] will not be managed by Spring
==> Preparing: INSERT INTO edu_teacher (id,name,intro,career,level,avatar,sort,is_deleted,gmt_create, gmt_modified) VALUES (?,?,?,?,?,?,?,?,?,?)
==> Parameters: 1250334546923106306(String), string99999999999(String), string(String), string(String), 0(Integer), string(String), 0(Integer), true(Boolean), 2020-04-15 16:06:00.737(Timestamp), 2020-04-15 16:06:00.737(Timestamp)
<== Updates: 1
Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@637d23cb]
加了之后：
Creating a new SqlSession
Registering transaction synchronization for SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@5cce9dc5]
JDBC Connection [HikariProxyConnection@1144743744 wrapping com.mysql.cj.jdbc.ConnectionImpl@7480bc5f] will be managed by Spring
==> Preparing: INSERT INTO edu_teacher (id,name,intro,career,level,avatar,sort,is_deleted,gmt_create, gmt_modified) VALUES (?,?,?,?,?,?,?,?,?,?)
==> Parameters: 1250333417229287425(String), string99999999998(String), string(String), string(String), 0(Integer), string(String), 0(Integer), true(Boolean), 2020-04-15 16:01:31.396(Timestamp), 2020-04-15 16:01:31.396(Timestamp)
<== Updates: 1
Releasing transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@5cce9dc5]
Transaction synchronization committing SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@5cce9dc5]
Transaction synchronization deregistering SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@5cce9dc5]
Transaction synchronization closing SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@5cce9dc5]
