code: @Override
      public boolean modelBaseRecordClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {
          topLevelClass.addInnerEnum(this.generateColumnEnum(topLevelClass, introspectedTable));
          return super.modelBaseRecordClassGenerated(topLevelClass, introspectedTable);
      }
docs: Model Methods 生成
  具体执行顺序 http://www.mybatis.org/generator/reference/pluggingIn.html
  @param topLevelClass
  @param introspectedTable
  @return