[20:20:46.809][DEBUG][org.mybatis.spring.SqlSessionUtils][http-bio-8088-exec-8] Creating a new SqlSession
[20:20:46.820][DEBUG][org.mybatis.spring.SqlSessionUtils][http-bio-8088-exec-8] SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@1058389a] was not registered for synchronization because synchronization is not active
[20:20:47.126][DEBUG][o.m.s.t.SpringManagedTransaction][http-bio-8088-exec-8] JDBC Connection [jdbc:mysql://localhost:3306/mmall_learning?characterEncoding=utf-8, UserName=root@localhost, MySQL-AB JDBC Driver] will not be managed by Spring
[20:20:47.130][DEBUG][com.mmall.dao.UserMapper.checkUsername][http-bio-8088-exec-8] ==> Preparing: select count(1) from mmall_user where username = ?
[20:20:47.148][DEBUG][com.mmall.dao.UserMapper.checkUsername][http-bio-8088-exec-8] > Parameters: geely(String)
[20:20:47.159][DEBUG][com.mmall.dao.UserMapper.checkUsername][http-bio-8088-exec-8] < Total: 1
[20:20:47.161][DEBUG][org.mybatis.spring.SqlSessionUtils][http-bio-8088-exec-8] Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@1058389a]
检查了很多遍,实在找不出问题在哪里了。。。