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qwwee
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樓主  發(fā)表于: 2009-09-11 18:15
上升沿和下降沿固然有很多好處，但是，大量使用，或有些地方可以不用，究竟是用好還是不用好，對待上升沿和下降沿究竟是不得不用時(shí)才用，還是能用時(shí)就用？
eklws
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1樓  發(fā)表于: 2009-09-11 23:01
我個(gè)人認為有些地方用上升沿河下降沿，使得有些事件只要執行一次的就讓它執行一次，而不要多次執行，這樣可以做到節省循環(huán)掃描時(shí)間，我的程序里就是這樣的。

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