MyBatis程序核心對(duì)象分析
//1.創(chuàng)建SqLSessionFactoryBuiLder對(duì)象
sqlSessionFactoryBuilder sqlsessionFactoryBuilder = new sqlsessionFactoryBuilder();
//2.加載SqLMapConfig.xmL配置文件
InputStream inputStream = Resources.getResourceAsStream("SqlMapConfig.xml");
//3.創(chuàng)建SqLSessionFactory對(duì)象
sqlSessionFactory sqlSessionFactory = sqlSessionFactoryBuilder.build(inputStream);
//4.獲取SqLSession
sqlSession sqlsession = sqlsessionFactory.openSession();
//5.執(zhí)行SqlSession對(duì)象執(zhí)行查詢,獲取結(jié)果User
AccountDao accountDao = sqlSession.getMapper(AccountDao.class);
Account ac = accountDao.findById(2);
system.out.println(ac);
//6.釋放資源
sqlSession.close();
----------↑初始化屬性數(shù)據(jù)↑---------- ----------↑初始化類別名↑---------- ----------↑初始化DataSource↑---------- ----------↑初始化映射配置↑----------
整合后
@Bean
public SqlSessionFactoryBean sqlSessionFactory(DataSource dataSource){sqlsessionFactoryBean ssfb = new SqlSessionFactoryBean();
ssfb.setTypeAliasesPackage("com.jihua. domain");
ssfb. setDataSource(dataSource);
return ssfb;
}
@Bean
public MapperScannerConfigurer mapperScannerConfigurer(){MapperScannerConfigurer msc = new MapperScannerConfigurer();
msc.setBasePackage("com.jihua.dao");
return msc;
}
導(dǎo)坐標(biāo)
junit junit 4.12 test org.springframework spring-test 5.2.10.RELEASE
使用Spring整合Junit專用的類加載器
@Runwith(SpringJUnit4classRunner.class)
@Contextconfiguration(classes = SpringConfig.class)
public class BookServiceTest {@Autowired
private BookService bookService;
@Test
public void testSave(){bookService.save();
}
}
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