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Math.Ceiling()向上取整,Math.Floor()向下取整
示例: d = 4.56789 string res = Math.Ceiling(Convert.ToDecimal(d)).ToString()
或string res = Math.Ceiling(Convert.ToDouble(d)).ToString(); res为5
string res = Math.Floor(Convert.ToDecimal(d)).ToString()
或string res = Math.Floor(Convert.ToDouble(d)).ToString();
res为4
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原文地址:http://www.cnblogs.com/xiaoyaodijun/p/4626880.html