摘要: string str1 = "1,2,3,4,5";//将字串中的","全部替换成空string str2 = str1.Replace(",", "");//原字符的长度减去现字符串的长度,就是包含字符的个数int num = str1.Length - str2.Length; 阅读全文
posted @ 2013-03-14 22:42 zhuifeng0724 阅读(327) 评论(0) 推荐(0)