SqlSessionFactory工厂

模板：

 private static SqlSessionFactory sqlSessionFactory;
    static {
        String resource = "mybatis-config.xml";
        InputStream inputStream = null;
        try {
            inputStream = Resources.getResourceAsStream(resource);
        } catch (IOException e) {
            e.printStackTrace();
        }
         sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
    }
    public static SqlSessionFactory getSqlSessionFactory()
    {
        return sqlSessionFactory;
    }