public static string KeepNum(string NumStr, int NeedNum, HeadOrTail headOrTail)
{
if (NumStr != null)
{
if (NumStr.Length < NeedNum)
{
int NeedZero = NeedNum - NumStr.Length;
string Temp = "0";
for (int i = 0; i < NeedZero - 1; i++)
{
Temp += "0";
}
if (headOrTail == HeadOrTail.Head)
{
return(Temp + NumStr);
}
else
{
return(NumStr + Temp);
}
}
else if (NumStr.Length == NeedNum)
{
return(NumStr);
}
else
{
return(null);
}
}
return(null);
}
public static string KeepNumSpace(string NumStr, int NeedNum, HeadOrTail headOrTail)
{
if (NumStr != null)
{
if (NumStr.Length < NeedNum)
{
int NeedZero = NeedNum - NumStr.Length;
string Temp = " ";
for (int i = 0; i < NeedZero - 1; i++)
{
Temp += " ";
}
if (headOrTail == HeadOrTail.Head)
{
return(Temp + NumStr);
}
else
{
return(NumStr + Temp);
}
}
else if (NumStr.Length == NeedNum)
{
return(NumStr);
}
else
{
throw new Exception("变压器型号大于10位");
}
}
return(null);
}
