C#判断是否为数字的最好速度!
摘要:public static bool IsNum(String str){ for(int i=0;i='9') return false; } return true;}
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posted @ 2005-01-14 14:15
posted @ 2005-01-14 14:15
posted @ 2005-01-14 09:21
posted @ 2005-01-03 11:23