snaker-mybatis/src/main/java/org/snaker/engine/access/mybatis/MybatisHelper.java
public static void initialize() {
		InputStream in;
		try {
			in = Resources.getResourceAsStream("mybatis.cfg.xml");
			sqlSessionFactory = new SqlSessionFactoryBuilder().build(in, ConfigHelper.getProperties());
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
public static void initialize() {
		InputStream in;
		try {
			in = Resources.getResourceAsStream("mybatis.cfg.xml");
			sqlSessionFactory = new SqlSessionFactoryBuilder().build(in, ConfigHelper.getProperties());
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
在没有任何sqlSessionFactory注入的情况下，默认使用mybatis.cfg.xml配置初始化