摘要：
1 Round(Decimal) 2 Round(Double) 3 Round(Decimal, Int32) 4 Round(Decimal, MidpointRounding) 5 Round(Double, Int32) 6 Round(Double, MidpointRounding) 7 Round(Decimal, Int32, MidpointRounding) 8 Round(... 阅读全文
摘要：
1 Len Len(string|varname) 返回字符串内字符的数目，或是存储一变量所需的字节数。 2 Trim Trim(string) 将字符串前后的空格去掉 3 Ltrim Ltrim(string) 将字符串前面的空格去掉 4 Rtrim Rtrim(string) 将字符串后面的空格去掉 5 Mid Mid(string,start,length) 从... 阅读全文