【广州校区】+【原创】+ 免XML的SpringMVC配置之二——SSM整合 - 黑马程序员技术交流社区

[Java] 纯文本查看 复制代码

@Configuration

@EnableWebMvc  //启动Spring MVC相关配置，相当于继承了WebMvcConfigurationSupport

@ComponentScan(basePackages = { "www.leeao"})  //配置包扫描

@Import(MyServiceConfig.class)  //导入其他配置类

@MapperScan("www.leeao.mapper") //mybatis包扫描

public class MyMvcConfig{



}

[Java] 纯文本查看 复制代码

@Configuration

@PropertySource("classpath:db.properties")

public class MyServiceConfig {

  @Autowired

  private Environment env;



  /**

   * 数据源

   * @return

   */

  @Bean(name = "dataSource", initMethod = "init" , destroyMethod = "close")

  public DataSource getDateSource(){

    DruidDataSource druidDataSource = new DruidDataSource();

    druidDataSource.setUrl(env.getProperty("jdbc_url"));

    druidDataSource.setUsername(env.getProperty("jdbc_user"));

    druidDataSource.setPassword(env.getProperty("jdbc_password"));

    druidDataSource.setInitialSize(env.getProperty("initialSize", Integer.class));

    druidDataSource.setMinIdle(env.getProperty("minIdle", Integer.class));

    druidDataSource.setMaxActive(env.getProperty("maxActive", Integer.class));

    druidDataSource.setMaxWait(env.getProperty("maxWait", Long.class));

    return druidDataSource;

  }



  /**

   *sqlSessionFactory

   * @return

   * @throws Exception

   */

  @Bean(name = "sqlSessionFactory")

  public SqlSessionFactory getSqlSessionFactory() throws Exception {

    ResourcePatternResolver resourcePatternResolver = new PathMatchingResourcePatternResolver();

    SqlSessionFactoryBean factoryBean = new SqlSessionFactoryBean();

    factoryBean.setDataSource(getDateSource());

    factoryBean.setMapperLocations(resourcePatternResolver.getResources("classpath:mybatis/mapper/*.xml"));

    factoryBean.setTypeAliasesPackage("www.leeao.domain");

    return factoryBean.getObject();

  }



  /**

   * 配置mapper接口的扫描

   * @return

   */

  @Bean

  public static MapperScannerConfigurer setMapperScannerConfigurer(){

    MapperScannerConfigurer scannerConfigurer = new MapperScannerConfigurer();

    scannerConfigurer.setBasePackage("www.leeao.mapper");

    scannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactory");

    return scannerConfigurer;

  }