synchronized

1 try{
2     synchronized(sc.getAttribute(authKey)){
3          //TODO       
4     }
5 }
6 catch(Exception e) {
7     e.printStackTrace();
8     message=setMessage(message, true, "订单保存成功,但" + e.getMessage());
9 }
原文地址:https://www.cnblogs.com/wangwiz/p/7691674.html