SpringMVC全注解

web.xml在servlet3.0里面已经被注解完全替代，但是spring里面的DispatcherServlet并没有被使用，本打算修改下源码弄成3.0的,奈何没啥时间。

这是一个标准的SpringMVC，重点是AppConfig与DBConfig，在Web.xml里面申明两个类的配置路径：

<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>com.test.commom.AppConfig</param-value>
</init-param>
<!-- use annotation replace xml configuration. @Configuration class is required. -->
<init-param>
<param-name>contextClass</param-name>
<param-value>org.springframework.web.context.support.AnnotationConfigWebApplicationContext</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>

<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

AppConfig：

@Configuration
@ComponentScan(basePackageClasses = AppConfig.class)
@EnableTransactionManagement //The code equals aop config or provider annotation transaction.
@EnableAspectJAutoProxy
@PropertySource({"classpath:site-jdbc.properties"})
public class AppConfig extends DBConfig {/**
* 国际化
* @return
*/
   @Bean
   @Qualifier("messageSource")
   public ResourceBundleMessageSource messageSource() {
   ResourceBundleMessageSource bundleMessageSource = new ResourceBundleMessageSource();
   bundleMessageSource.setBasename("i18n.u1wan-i18n");
   bundleMessageSource.setUseCodeAsDefaultMessage(true);
   return bundleMessageSource;
   }
   
   /**
* file upload
* @return
*/
   @Bean
   public CommonsMultipartResolver getCommonsMultipartResolver() {
   return new CommonsMultipartResolver();
   }
   
   
   @Bean
   public SessionLocaleResolver localeResolver() {
   SessionLocaleResolver localeResolver = new SessionLocaleResolver();
   return localeResolver;
   }
   
   @Bean
   public HessianProxyFactory loadHessianProxyFactory() {
   HessianProxyFactory hessianProxyFactory = new HessianProxyFactory();
   return hessianProxyFactory;
   }
   /**
* 定义spring MVC返回显示视图
* @return
*/
   @Bean
   public TilesViewResolver viewResolver() {
   return new TilesViewResolver();
   }
   
   @Bean
   public LoginInterceptor loginInterceptor() {
   return new LoginInterceptor();
   }
   
   @Bean
   public SystemInterceptor systemInterceptor() {
   return new SystemInterceptor();
   }
   
   @Bean
   public PermissionsInterceptor permissionsInterceptor() {
   return new PermissionsInterceptor();
   }
   
   @Override
   public void addInterceptors(InterceptorRegistry registry) {
   registry.addInterceptor(loginInterceptor());
   registry.addInterceptor(systemInterceptor());
   registry.addInterceptor(permissionsInterceptor());
   }
   
   /**
* 定义xml显示位置
* @return
*/
   @Bean
   public TilesConfigurer tilesConfigurer() {
   TilesConfigurer tilesConfigurer = new TilesConfigurer();
   tilesConfigurer.setDefinitions(new String[] { "classpath*:config/tiles/page-tiles.xml", "classpath*:config/tiles/common-tiles.xml" });
   return tilesConfigurer;
   }
   
   /**
* 定义Spring MVC显示
* @return
*/
   @Bean
   public CommonsMultipartResolver multipartResolver() {
   CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver();
   return multipartResolver;
   }

}

DBConfig：

public class DBConfig extends DefaultWebConfig {


@Inject
Environment env;

/**
 * 数据源
 * @return
 */
@Bean(destroyMethod = "close")
public DataSource dataSource() {
BasicDataSource dataSource = new BasicDataSource();
dataSource.setDriverClassName(env.getRequiredProperty("jdbc.driver.name"));
dataSource.setUrl(env.getRequiredProperty("jdbc.writedb.proxy.url"));
dataSource.setUsername(env.getRequiredProperty("jdbc.username"));
dataSource.setPassword(env.getRequiredProperty("jdbc.password"));
dataSource.setTestOnBorrow(true);
dataSource.setValidationQuery("select 1");
return dataSource;
}

@Bean
public SessionFactory sessionFactory() {
LocalSessionFactoryBuilder builder = new LocalSessionFactoryBuilder(dataSource())
.scanPackages(AppConfig.class.getPackage().getName());
builder.setProperty(org.hibernate.cfg.Environment.DIALECT, MySQL5Dialect.class.getName());
return builder.buildSessionFactory();
}


@Bean
public MongoDBAccess mongoDBAccess() {
MongoDBAccess mongoDBAccess = new MongoDBAccess();
mongoDBAccess.setMongoServerIpAddress(env.getRequiredProperty("mongodb.ip"));
mongoDBAccess.setCollectionName(env.getRequiredProperty("mongodb.collection"));
mongoDBAccess.setMongoServerPort(Integer.parseInt(env.getRequiredProperty("mongodb.port")));
mongoDBAccess.setDbName(env.getRequiredProperty("mongodb.db"));
mongoDBAccess.initDB();
return mongoDBAccess;
}

@Bean
public SessionLocaleResolver localeResolver() {
SessionLocaleResolver localeResolver = new SessionLocaleResolver();
return localeResolver;
}


   /**
* hibernate事物
* @return
*/
@Bean
public HibernateTransactionManager transactionManager() {
HibernateTransactionManager transactionManager = new HibernateTransactionManager();
transactionManager.setSessionFactory(sessionFactory());
return transactionManager;
}

/**
 * ORM 映射--hibernate
 * @return
 */
@Bean
public HibernateAccess hibernateAccess() {
HibernateAccess hibernateAccess = new HibernateAccess();
hibernateAccess.setSessionFactory(sessionFactory());
return hibernateAccess;
}

/**
 * JDBC--性能要求高场合
 * @return
 */
@Bean
public JDBCAccess jdbcAccess() {
JDBCAccess jDBCAccess = new JDBCAccess();
jDBCAccess.setDataSource(dataSource());
return jDBCAccess;
}

@Bean(name = "hibernateTransaction")
public HibernateTransactionManager hibernateTransactionManager() {
HibernateTransactionManager transactionManager = new HibernateTransactionManager();
transactionManager.setSessionFactory(sessionFactory());
return transactionManager;
}
}

通过类的配置，完全替代spring的配置文件，基本上不用配置文件，个人比较喜欢no配置文件的东西。

举例一个Controler:

@Controller
public class WebsiteController {

@Inject
private WebsiteServer websiteServer;

@RequestMapping(value = "/website/test", method = RequestMethod.GET)
public String test(Map<String, Object> map, WebsiteRequest request) {
map.put("test", "test");
return "test_page";
}

@RequestMapping(value = "/website/testbody", method = RequestMethod.GET)
@ResponseBody
public String testBody(Map<String, Object> map) {
try {
websiteServer.test();
} catch (Exception e) {
e.printStackTrace();
}
return "test";
}

}

http://www.tuicool.com/articles/6fQRja6