多數據源導致事務不生效

    @Autowired
    @Qualifier("writeDataSource")
    private DataSource writeDataSource;

    @Bean("txManager")
    public DataSourceTransactionManager txManager(@Qualifier("roundRobinDataSouceProxy") DataSource roundRobinDataSouceProxy) {
        return new DataSourceTransactionManager(roundRobinDataSouceProxy);
    }

讀寫路由

    /**
     * 把所有數據庫都放在路由中
     *
     * @return
     */
    @Bean(name = "roundRobinDataSouceProxy")
    public AbstractRoutingDataSource roundRobinDataSouceProxy() {

        Map<Object, Object> targetDataSources = new HashMap<Object, Object>();
        //把所有數據庫都放在targetDataSources中,注意key值要和determineCurrentLookupKey()中代碼寫的一至，
        //否則切換數據源時找不到正確的數據源
        targetDataSources.put(DataSourceType.write.getType(), writeDataSource);
        targetDataSources.put(DataSourceType.read.getType(), readDataSource);

        //路由類，尋找對應的數據源
        AbstractRoutingDataSource proxy = new AbstractRoutingDataSource() {
            /**
             * 這是AbstractRoutingDataSource類中的一個抽象方法，
             * 而它的返回值是你所要用的數據源dataSource的key值，有了這個key值，
             * targetDataSources就從中取出對應的DataSource，如果找不到，就用配置默認的數據源。
             */
            @Override
            protected Object determineCurrentLookupKey() {
                String typeKey = DataSourceContextHolder.getReadOrWrite();

                if (typeKey == null) {
                    System.err.println("使用數據庫write.............");
                    return DataSourceType.write.getType();
                }

                if (typeKey.equals(DataSourceType.write.getType())) {
                    System.err.println("使用數據庫write.............");
                    return DataSourceType.write.getType();
                }

                //讀庫， 簡單負載均衡
                System.err.println("使用數據庫read");
                return DataSourceType.read.getType();
            }
        };
        //默認庫
        proxy.setDefaultTargetDataSource(writeDataSource);
        proxy.setTargetDataSources(targetDataSources);
        return proxy;
    }

/**
 * 在service層覺得數據源
 * 
 * 必須在事務AOP之前執行，所以實現Ordered,order的值越小，越先執行
 * 如果一旦開始切換到寫庫，則之后的讀都會走寫庫
 * 
 */
@Aspect
@EnableAspectJAutoProxy(exposeProxy=true,proxyTargetClass=true)
@Component
public class DataSourceAopInService implements PriorityOrdered{

//private static Logger log = LoggerFactory.getLogger(DataSourceAopInService.class);
	
@Before("execution(* net.vipmro.hades.boss.service..*.find*(..)) "
		+ " or execution(* net.vipmro.hades.boss..*.get*(..)) "
		+ " or execution(* net.vipmro.hades.boss..*.select*(..)) "
		+ " or execution(* net.vipmro.hades.boss..*.search*(..)) "

		+ " or execution(* net.vipmro.hades.boss..*.query*(..))")
	public void setReadDataSourceType() {
		//如果已經開啟寫事務了，那之后的所有讀都從寫庫讀
		if(!DataSourceType.write.getType().equals(DataSourceContextHolder.getReadOrWrite())){
			DataSourceContextHolder.setRead();
		}
	    
	}
	
@Before("execution(* net.vipmro.hades.boss..*.insert*(..)) "
		+ " or execution(* net.vipmro.hades.boss..*.update*(..))"
		+ " or execution(* net.vipmro.hades.boss..*.save*(..))"
		+ " or execution(* net.vipmro.hades.boss..*.del*(..))"
		+ " or execution(* net.vipmro.hades.boss..*.add*(..))")
	public void setWriteDataSourceType() {
	    DataSourceContextHolder.setWrite();
	}
    
	@Override
	public int getOrder() {
		/**
		 * 值越小，越優先執行
		 * 要優於事務的執行
		 * 在啟動類中加上了@EnableTransactionManagement(order = 10) 
		 */
		return 1;
	}

}