闭包的概念

运行结果

2016-12-23 15:09:53.529 02-闭包的概念[3167:297376] callBack的回调:啊啊啊啊啊啊啊

Program ended with exit code: 0

原文地址:https://www.cnblogs.com/chenzq12/p/6214884.html