public class Rmb 
{
  /**
   *人民幣的基本信息和操作
   *@author weinee
   *@version 1.0
  */
  double number;     //人民幣的數(shù)量
  private String[] hanArr = {"零", "壹", "貳", "叁", "肆", "伍", "陸", "柒", "捌", "玖" };//漢字計(jì)數(shù)符號(hào)
  private String[] unitArr = {"", "拾", "佰", "仟"};//漢字計(jì)數(shù)單位
  private String[] unitArrs = {"萬(wàn)", "億", "萬(wàn)", "兆", "萬(wàn)", "億", "萬(wàn)", "圓"}; //順序添加單位
  //private String[] unitsArr = {"萬(wàn)", "億"}; //漢字計(jì)數(shù)大單位
  public Rmb(){}
  /**
   *構(gòu)造器初始化人民幣數(shù)量
   *@param 給定的初始化人民幣數(shù)
  */
  public Rmb(double number){
    this.number = number;
  }
 
  /**
   *把一個(gè)浮點(diǎn)數(shù)分解成long型部分和小數(shù)部分字符串，把人民幣換成了整數(shù)，浮點(diǎn)數(shù)在取小數(shù)部分時(shí)臨界值有誤差
   *@return 返回分解后的字符串?dāng)?shù)組，第一個(gè)數(shù)組元素是整數(shù)部分，第二個(gè)是小數(shù)部分字符串
  */
  public String[] divideNum(){
    double num = Math.round(number*100);//對(duì)number進(jìn)行四舍五入取整
    long integerPart = (long)num; //連同小數(shù)點(diǎn)后兩位取成整數(shù) ，避免使用減法
    //double decimalsPart = num-integerPart;//小數(shù)部分，臨界時(shí)產(chǎn)生了誤差
    String decimalsPartStr;
    long b = integerPart % 10; //小數(shù)點(diǎn)后第二位
    long a = (integerPart/10) % 10;//小數(shù)點(diǎn)后第一位
    integerPart /= 100;
    if(a==0 && b==0){
      decimalsPartStr = null;
    }else{
      decimalsPartStr = "" + a + b;
    }
    return new String[] {String.valueOf(integerPart) , decimalsPartStr};
  }
 
  /**
   *把一個(gè)數(shù)字字符轉(zhuǎn)換成漢語(yǔ)的人民幣讀法
   *@return 返回漢語(yǔ)人民幣讀法的字符串形式
  */
  public String toHanStr(){
    String[] results = new String[9]; //用來(lái)暫時(shí)存儲(chǔ)每四位分段后的數(shù)字字符串
    String[] resultStrs = new String[9];//用來(lái)暫時(shí)存儲(chǔ)每四位分段后轉(zhuǎn)換成的人民幣讀法
    String result = "";//最終的轉(zhuǎn)換結(jié)果
    String[] divideStr = divideNum(); //得到浮點(diǎn)數(shù)分解成的long型部分和小數(shù)部分字符串，第一個(gè)數(shù)組元素是整數(shù)部分字符串，第二個(gè)是小數(shù)部分字符串
    results[8] = divideStr[1];
    for (int i=divideStr[0].length(), j=8; i>0&&j>0 ; i-=4,j--){
      try{
        results[j-1] = divideStr[0].substring(i-4, i);
      }catch(Exception e){
        results[j-1] = divideStr[0].substring(0, i);
        break;
      }
    } 
    if(results[8] == null){
      resultStrs[8] = "整";
    }else if(results[8].charAt(1) == '0'){
      resultStrs[8] = hanArr[results[8].charAt(0) - 48] + "角"; //根據(jù)ASCII碼和hanArr數(shù)組吧數(shù)字改成漢語(yǔ)大寫
    }else{
      resultStrs[8] = hanArr[results[8].charAt(0) - 48] + "角" + hanArr[results[8].charAt(1) - 48] + "分"; 
    }
    for(int i=0; i<8; i++){
      if(results[i] != null){
        resultStrs[i] = "";
        resultStrs[i] += hanArr[results[i].charAt(0) - 48] + unitArr[results[i].length() - 1]; //根據(jù)ASCII碼和數(shù)組長(zhǎng)度選擇數(shù)的單位
        for (int j=1; j<results[i].length(); j++ )
          if(results[i].charAt(j-1) == '0' && results[i].charAt(j) != '0')
            resultStrs[i] += "零" + hanArr[results[i].charAt(j) - 48] + unitArr[results[i].length() - 1 - j];  //根據(jù)ASCII碼和數(shù)組長(zhǎng)度選擇數(shù)的單位
          else if(results[i].charAt(j) != '0' )
            resultStrs[i] += hanArr[results[i].charAt(j) - 48] + unitArr[results[i].length() - 1 - j];
      }
    }
    for (int i=0; i<8; i++ ){
      if(resultStrs[i] != null){
        result += resultStrs[i] + unitArrs[i];
      }
    }
    result += resultStrs[8];
    return result;
  }
}

public class RmbTest
{
  public static void main(String[] args) 
  {
    double l;
    byte[] bye = new byte[50]; 
    System.out.println("請(qǐng)輸入要轉(zhuǎn)換的人民幣數(shù)量：");
    try{
      System.in.read(bye);
    }catch(Exception e){}
    String s = new String(bye);
    l = Double.parseDouble(s);
    Rmb r = new Rmb(l);
    s = r.toHanStr();
    System.out.println(s);
   
  }
}