C#中取整,向上取,向下取
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