mybatis的辅助类

 1 package org.ssi.util;
 2 
 3 import java.io.InputStream;
 4 
 5 import org.apache.ibatis.session.SqlSession;
 6 import org.apache.ibatis.session.SqlSessionFactory;
 7 import org.apache.ibatis.session.SqlSessionFactoryBuilder;
 8 
 9 public class MyBatisUtil {
10         /**
11           * 获取SqlSessionFactory
12           * @return SqlSessionFactory
13           */
14         public static SqlSessionFactory getSqlSessionFactory() {
15              String resource = "conf.xml";
16              InputStream is = MyBatisUtil.class.getClassLoader().getResourceAsStream(resource);
17              SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(is);
18              return factory;
19          }
20          
21          /**
22           * 获取SqlSession
23           * @return SqlSession
24           */
25          public static SqlSession getSqlSession() {
26              return getSqlSessionFactory().openSession();
27          }
28          
29          /**
30           * 获取SqlSession
31           * @param isAutoCommit 
32           *         true 表示创建的SqlSession对象在执行完SQL之后会自动提交事务
33           *         false 表示创建的SqlSession对象在执行完SQL之后不会自动提交事务，这时就需要我们手动调用sqlSession.commit()提交事务
34           * @return SqlSession
35           */
36         public static SqlSession getSqlSession(boolean isAutoCommit) {
37              return getSqlSessionFactory().openSession(isAutoCommit);
38          }
39 }