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字符串:string s = "1,2,3,4,5," 目标:删除最后一个 "," 方法: 1、用的最多的是Substring,这个也是我一直用的 s = s.Substring(0,s.Length - 1) 2、用TrimEnd,这个东西传递的是一个字符数组 s=s.TrimEnd(',') //如果要删除"5,",则需要这么写 char[] MyChar = {'5',','}; s = s.TrimEnd(MyChar); //s = "1,2,3," 3、用Remove string a = "123"; a = a.Remove(a.Length - 1,1); //移除掉"," |
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