import java.text.DecimalFormat;
import java.util.Scanner;
import javax.swing.JOptionPane;
/**
* Amount conversion
*
*/
public class ConvertMoney {
// Caps
private final static String[] STR_NUMBER = { "zero", "one", "two", "Three", "Si", "Wu",
"land", "Qi", "eight", "Nine" };
private final static String[] STR_UNIT = { "", "pickup", "Bai", "thousand", "Ten thousand", "pickup",
"Bai", "thousand", "100 million", "pickup", "Bai", "thousand" };// Units of integers
private final static String[] STR_UNIT2 = { "horn", "point", "Qi" };// Decimal units
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);// Create a scanner
System.out.println("Please enter an amount");
// Get the converted string
String convert = convert(scan.nextDouble());
System.out.println(convert);// Output conversion result
}
/**
* Get countable parts
*
* @param num
* Amount
* @return Amount integer part
*/
public static String getInteger(String num) {
if (num.indexOf(".") != -1) { // Determine whether the decimal point is included
num = num.substring(0, num.indexOf("."));
}
num = new StringBuffer(num).reverse().toString(); // Invert the string
StringBuffer temp = new StringBuffer(); // Create a StringBuffer object
for (int i = 0; i < num.length(); i++) {// Join the unit
temp.append(STR_UNIT[i]);
temp.append(STR_NUMBER[num.charAt(i) - 48]);
}
num = temp.reverse().toString();// Invert the string
num = numReplace(num, "Zero Pickup", "zero"); // Replace the character of the string
num = numReplace(num, "Zerobai", "zero"); // Replace the character of the string
num = numReplace(num, "Zero Thousand", "zero"); // Replace the character of the string
num = numReplace(num, "Zero Ten Thousand", "Ten thousand"); // Replace the character of the string
num = numReplace(num, "Zero Billion", "100 million"); // Replace the character of the string
num = numReplace(num, "Zero Zero", "zero"); // Replace the character of the string
num = numReplace(num, "hundreds of millions", "100 million"); // Replace the character of the string
// Remove the string if it ends with zero
if (num.lastIndexOf("zero") == num.length() - 1) {
num = num.substring(0, num.length() - 1);
}
return num;
}
/**
* Get the fractional part
*
* @param num
* Amount
* @return Decimal part of the amount
*/
public static String getDecimal(String num) {
// Determine whether the decimal point is included
if (num.indexOf(".") == -1) {
return "";
}
num = num.substring(num.indexOf(".") + 1);
// Invert the string
num = new StringBuffer(num).reverse().toString();
// Create a StringBuffer object
StringBuffer temp = new StringBuffer();
// Join the unit
for (int i = 0; i < num.length(); i++) {
temp.append(STR_UNIT2[i]);
temp.append(STR_NUMBER[num.charAt(i) - 48]);
}
num = temp.reverse().toString(); // Replace the character of the string
num = numReplace(num, "Zero Angle", "zero"); // Replace the character of the string
num = numReplace(num, "Zero points", "zero"); // Replace the character of the string
num = numReplace(num, "Zero", "zero"); // Replace the character of the string
num = numReplace(num, "Zero Zero", "zero"); // Replace the character of the string
// Remove the string if it ends with zero
if (num.lastIndexOf("zero") == num.length() - 1) {
num = num.substring(0, num.length() - 1);
}
return num;
}
/**
* Replace the contents of the string
*
* @param num
* String
* @param oldStr
* Replaced content
* @param newStr
* New content
* @return Replaced string
*/
public static String numReplace(String num, String oldStr, String newStr) {
while (true) {
// Determine whether the string contains the specified character
if (num.indexOf(oldStr) == -1) {
break;
}
// Replace string
num = num.replaceAll(oldStr, newStr);
}
// Return the replaced string
return num;
}
/**
* Amount conversion
*
* @param d
* Amount
* @return Convert to full capital
*/
public static String convert(double d) {
// Instantiate the DecimalFormat object
DecimalFormat df = new DecimalFormat("#0.###");
// Format double numbers
String strNum = df.format(d);
// Determine whether the decimal point is included
if (strNum.indexOf(".") != -1) {
String num = strNum.substring(0, strNum.indexOf("."));
// Integer part greater than 12 cannot be converted
if (num.length() > 12) {
System.out.println("The number is too large to complete the conversion!");
return "";
}
}
String point = "";// decimal point
if (strNum.indexOf(".") != -1) {
point = "Yuan";
} else {
point = "Yuanzhen";
}
// Conversion result
String result = getInteger(strNum) + point + getDecimal(strNum);
if (result.startsWith("Yuan")) { // Determine whether the string has ended with "meta"
result = result.substring(1, result.length()); // Intercept the string
}
return result; // Return a new string
}
}
