public class MyJavaTypeResolverDefaultImpl extends JavaTypeResolverDefaultImpl {    public MyJavaTypeResolverDefaultImpl() {        super();        //把数据库的 TINYINT 映射成 Integer        super.typeMap.put(Types.TINYINT, new org.mybatis.generator.internal.types.JavaTypeResolverDefaultImpl.JdbcTypeInformation("TINYINT", new FullyQualifiedJavaType(Integer.class.getName())));    }}

参考

https://segmentfault.com/a/1190000013037968