/** 
 * @ClassName: NumberConvert 
 * @Description: TODO 
 * @date 2013-3-07 下午16:08:10 
 * @version V1.0 
 */ 
public class MoneyUtil { 
  /** 大寫數(shù)字 */ 
  private static final String[] NUMBERS = { "零", "壹", "貳", "叁", "肆", "伍", "陸", "柒", "捌", "玖" }; 
  /** 整數(shù)部分的單位 */ 
  private static final String[] IUNIT = { "元", "拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", "拾", "佰", "仟", "萬", "拾", "佰", 
      "仟" }; 
  /** 小數(shù)部分的單位 */ 
  private static final String[] DUNIT = { "角", "分", "厘" }; 
 
  /** 
   * 得到大寫金額。 
   */ 
  public static String toChinese(String str) { 
    str = str.replaceAll(",", "");// 去掉"," 
    String integerStr;// 整數(shù)部分?jǐn)?shù)字 
    String decimalStr;// 小數(shù)部分?jǐn)?shù)字 
 
    // 初始化：分離整數(shù)部分和小數(shù)部分 
    if (str.indexOf(".") > 0) { 
      integerStr = str.substring(0, str.indexOf(".")); 
      decimalStr = str.substring(str.indexOf(".") + 1); 
    } else if (str.indexOf(".") == 0) { 
      integerStr = ""; 
      decimalStr = str.substring(1); 
    } else { 
      integerStr = str; 
      decimalStr = ""; 
    } 
    // integerStr去掉首0，不必去掉decimalStr的尾0(超出部分舍去) 
    if (!integerStr.equals("")) { 
      integerStr = Long.toString(Long.parseLong(integerStr)); 
      if (integerStr.equals("0")) { 
        integerStr = ""; 
      } 
    } 
    // overflow超出處理能力，直接返回 
    if (integerStr.length() > IUNIT.length) { 
      System.out.println(str + ":超出處理能力"); 
      return str; 
    } 
 
    int[] integers = toArray(integerStr);// 整數(shù)部分?jǐn)?shù)字 
    boolean isMust5 = isMust5(integerStr);// 設(shè)置萬單位 
    int[] decimals = toArray(decimalStr);// 小數(shù)部分?jǐn)?shù)字 
    return getChineseInteger(integers, isMust5) + getChineseDecimal(decimals); 
  } 
 
  /** 
   * 整數(shù)部分和小數(shù)部分轉(zhuǎn)換為數(shù)組，從高位至低位 
   */ 
  private static int[] toArray(String number) { 
    int[] array = new int[number.length()]; 
    for (int i = 0; i < number.length(); i++) { 
      array[i] = Integer.parseInt(number.substring(i, i + 1)); 
    } 
    return array; 
  } 
 
  /** 
   * 得到中文金額的整數(shù)部分。 
   */ 
  private static String getChineseInteger(int[] integers, boolean isMust5) { 
    StringBuffer chineseInteger = new StringBuffer(""); 
    int length = integers.length; 
    for (int i = 0; i < length; i++) { 
      // 0出現(xiàn)在關(guān)鍵位置：1234(萬)5678(億)9012(萬)3456(元) 
      // 特殊情況：10(拾元、壹拾元、壹拾萬元、拾萬元) 
      String key = ""; 
      if (integers[i] == 0) { 
        if ((length - i) == 13)// 萬(億)(必填) 
          key = IUNIT[4]; 
        else if ((length - i) == 9)// 億(必填) 
          key = IUNIT[8]; 
        else if ((length - i) == 5 && isMust5)// 萬(不必填) 
          key = IUNIT[4]; 
        else if ((length - i) == 1)// 元(必填) 
          key = IUNIT[0]; 
        // 0遇非0時(shí)補(bǔ)零，不包含最后一位 
        if ((length - i) > 1 && integers[i + 1] != 0) 
          key += NUMBERS[0]; 
      } 
      chineseInteger.append(integers[i] == 0 ? key : (NUMBERS[integers[i]] + IUNIT[length - i - 1])); 
    } 
    return chineseInteger.toString(); 
  } 
 
  /** 
   * 得到中文金額的小數(shù)部分。 
   */ 
  private static String getChineseDecimal(int[] decimals) { 
    StringBuffer chineseDecimal = new StringBuffer(""); 
    for (int i = 0; i < decimals.length; i++) { 
      // 舍去3位小數(shù)之后的 
      if (i == 3) 
        break; 
      chineseDecimal.append(decimals[i] == 0 ? "" : (NUMBERS[decimals[i]] + DUNIT[i])); 
    } 
    return chineseDecimal.toString(); 
  } 
 
  /** 
   * 判斷第5位數(shù)字的單位"萬"是否應(yīng)加。 
   */ 
  private static boolean isMust5(String integerStr) { 
    int length = integerStr.length(); 
    if (length > 4) { 
      String subInteger = ""; 
      if (length > 8) { 
        // 取得從低位數(shù)，第5到第8位的字串 
        subInteger = integerStr.substring(length - 8, length - 4); 
      } else { 
        subInteger = integerStr.substring(0, length - 4); 
      } 
      return Integer.parseInt(subInteger) > 0; 
    } else { 
      return false; 
    } 
  } 
 
  public static void main(String[] args) { 
    String number = "1.23"; 
    System.out.println(number + " " + MoneyUtil.toChinese(number)); 
    number = "1234567890123456.123"; 
    System.out.println(number + " " + MoneyUtil.toChinese(number)); 
    number = "0.0798"; 
    System.out.println(number + " " + MoneyUtil.toChinese(number)); 
    number = "10,001,000.09"; 
    System.out.println(number + " " + MoneyUtil.toChinese(number)); 
    number = "01.107700"; 
    System.out.println(number + " " + MoneyUtil.toChinese(number)); 
  } 
 
}