Mybatis工具类

import java.io.IOException;
import java.io.InputStream;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

public class MybatisUtil {

	private static SqlSessionFactory sqlSessionFactory;

	private MybatisUtil() {
	}

	static {
		try {
			InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
			sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public static SqlSession getSession() {
		return sqlSessionFactory.openSession();
	}

	public static void close(SqlSession sqlSession) {
		if (sqlSession != null) {
			sqlSession.close();
			sqlSession = null;
		}
	}
}