Use C # To convert Arabic numerals to uppercase Chinese

Using System;

Namespace ConsoleApp
{
/// <Summary>
/// This class converts Arabic numerals to uppercase Chinese
/// This class does not identify illegal numbers
/// Call the NumToChn Method
/// </Summary>
Public class NumFormat
{
Public NumFormat ()
{
//
// TODO: add the constructor logic here
//
}

// Convert numbers
Private char ToNum (char x)
{
String strChnNames = "0 August 5, 1234 ";
String strNumNames = "0123456789 ";
Return strChnNames [strNumNames. IndexOf (x)];
}

// Convert an integer smaller
Private string ChangeInt (string x)
{
String [] strArrayLevelNames = new string [4] {"", "Ten", "Hundred", "Thousand "};
String ret = "";
Int I;
For (I = x. Length-1; I> = 0; I --)
If (x [I] = '0 ')
Ret = ToNum (x [I]) + ret;
Else
Ret = ToNum (x [I]) + strArrayLevelNames [x. Length-1-i] + ret;
While (I = ret. IndexOf ("0 "))! =-1)
Ret = ret. Remove (I, 1 );
If (ret [ret. Length-1] = '0' & ret. Length> 1)
Ret = ret. Remove (ret. Length-1, 1 );
If (ret. Length> = 2 & ret. Substring () = "10 ")
Ret = ret. Remove (0, 1 );
Return ret;
}

// Convert the integer
Private string ToInt (string x)
{
Int len = x. Length;
String ret, temp;
If (len <= 4)
Ret = ChangeInt (x );
Else if (len <= 8)
{
Ret = ChangeInt (x. Substring (0, len-4) + ";
Temp = ChangeInt (x. Substring (len-4, 4 ));
If (temp. IndexOf ("thousands") =-1 & temp! = "")
Ret + = "zero" + temp;
Else
Ret + = temp;
}
Else
{
Ret = ChangeInt (x. Substring (0, len-8) + ";
Temp = ChangeInt (x. Substring (len-8, 4 ));
If (temp. IndexOf ("thousands") =-1 & temp! = "")
Ret + = "zero" + temp;
Else
Ret + = temp;
Ret + = "Ten Thousand ";
Temp = ChangeInt (x. Substring (len-4, 4 ));
If (temp. IndexOf ("thousands") =-1 & temp! = "")
Ret + = "zero" + temp;
Else
Ret + = temp;
}
Int I;
If (I = ret. IndexOf ("0 thousand "))! =-1)
Ret = ret. Remove (I + 1, 1 );
While (I = ret. IndexOf ("0 "))! =-1)
Ret = ret. Remove (I, 1 );
If (ret [ret. Length-1] = '0' & ret. Length> 1)
Ret = ret. Remove (ret. Length-1, 1 );
Return ret;
}

Private string ToDecimal (string x)
{
String ret = "";
For (int I = 0; I <x. Length; I ++)
Ret + = ToNum (x [I]);
Return ret;
}

Public string NumToChn (string x)
{
If (x. Length = 0)
Return "";
String ret = "";
If (x [0] = '-')
{
Ret = "negative ";
X = x. Remove (0, 1 );
}
If (x [0]. ToString () = ".")
X = "0" + x;
If (x [x. Length-1]. ToString () = ".")
X = x. Remove (x. Length-1, 1 );
If (x. IndexOf (".")>-1)
Ret + = ToInt (x. substring (0, x. indexOf (". ") +" point "+ ToDecimal (x. substring (x. indexOf (". ") + 1 ));
Else
Ret + = ToInt (x );
Return ret;
}
}
}

Test Project

Using System;

Namespace ConsoleApp
{
Class MainClass
{
Static void Main (string [] args)
{
/*
System. Console. WriteLine ("Hello, The World! ");

System. Console. WriteLine ("My Love! ");

ClassTest ct = new ClassTest ();
System. Console. WriteLine (ct. Get_Str ());
*/

/*
// Overload Operator
MyVector v1 = new MyVector (5, 12 );
MyVector v2 = new MyVector (4, 3 );
MyVector v3 = new MyVector ();
V3 = v1 + v2;
System. Console. WriteLine ("{0} test", v3.Length );
*/

// Convert to a large number
NumFormat nf = new NumFormat ();
String x;
While (true)
{
Console. Write ("X = ");
X = Console. ReadLine ();
If (x = "") break;
Console. WriteLine ("{0 }={ 1}", x, nf. NumToChn (x ));
}
}
}
}