来自热心网友的测试和思考

src/main/java/com/itstyle/seckill/service/impl/SeckillServiceImpl.java

@@ -84,6 +84,8 @@ public class SeckillServiceImpl implements ISeckillService {
 		 try {
 			lock.lock();
 			//这里、不清楚为啥、总是会被超卖101、难道锁不起作用、lock是同一个对象
+			//来自热心网友 zoain 的细心测试思考、然后自己总结了一下
+			//事物未提交之前，锁已经释放(事物提交是在整个方法执行完)，导致另一个事物读取到了这个事物未提交的数据，也就是传说中的脏读。建议锁上移
 			String nativeSql = "SELECT number FROM seckill WHERE seckill_id=?";
 			Object object =  dynamicQuery.nativeQueryObject(nativeSql, new Object[]{seckillId});
 			Long number =  ((Number) object).longValue();

src/main/java/com/itstyle/seckill/web/SeckillController.java

@@ -25,7 +25,7 @@ public class SeckillController {
 	private final static Logger LOGGER = LoggerFactory.getLogger(SeckillController.class);
 	
 	private static int corePoolSize = Runtime.getRuntime().availableProcessors();
-	//调整队列数 拒绝服务
+	//创建线程池  调整队列数 拒绝服务
 	private static ThreadPoolExecutor executor  = new ThreadPoolExecutor(corePoolSize, corePoolSize+1, 10l, TimeUnit.SECONDS,
 			new LinkedBlockingQueue<Runnable>(1000));