我看到这些可互换使用。有什么不同？
解决方法
@H_301_5@ 没有什么区别。从 perldoc perlsyn：The
foreachkeyword is actually a synonym for theforkeyword,so you can useforeachfor readability orforfor brevity.
The
foreachkeyword is actually a synonym for theforkeyword,so you can useforeachfor readability orforfor brevity.