//根据页面的原有的编号自动生成新的编号
public string NextNumber(string BaseNumber)
{
string NewNumber = ""; //新值
int InNumber = 1; //进位
int PlaceValue; //位值
char[] No = BaseNumber.ToCharArray();
for (int i = BaseNumber.Length - 1; i >= 0; i--)
{
if (No[i] == '9' && InNumber == 1)
{
InNumber = 1;
NewNumber = "0" + NewNumber;
}
else
if (InNumber == 1 && No[i] >= '0' && No[i] < '9')
{
PlaceValue = Int32.Parse(No[i].ToString());
PlaceValue = (InNumber + PlaceValue);
InNumber = 0;
NewNumber = PlaceValue.ToString() + NewNumber;
}
else
{
InNumber = 0;
NewNumber = No[i] + NewNumber;
}
}
if (BaseNumber == NewNumber)
{
NewNumber = "0000000001";
}
return(NewNumber);
}
public SymbolsForPlaceValue(PlaceValue placeValue) =>
private static string DigitAtPlaceValueToRomanNumeralString(this uint number, PlaceValue placeValue)
{
uint digit = number.DigitAtPlaceValue(placeValue);
switch (digit)
{
case 9:
{
var s = new SymbolsForPlaceValue(placeValue);
return(s.Base().ToString() + s.BaseTimesTen());
}
case 4:
{
var s = new SymbolsForPlaceValue(placeValue);
return(s.Base().ToString() + s.BaseTimesFive());
}
case 0:
return("");
}
var symbols = new SymbolsForPlaceValue(placeValue);
String romanNumerals = "";
if (digit >= 5)
{
romanNumerals += symbols.BaseTimesFive();
digit -= 5;
}
while (digit >= 1)
{
romanNumerals += symbols.Base();
digit -= 1;
}
return(romanNumerals);
}
private static uint DigitAtPlaceValue(this uint number, PlaceValue placeValue) => number / (uint)placeValue % 10;
