money.java

J2EE独立开发制作

import java.applet.*;
import javax.swing.*;
import java.awt.*;
import java.math.*;

public class money extends Applet
{
//中文金额单位数组
String[] straChineseUnit = new String[] {"分", "角", "圆", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟"};
//中文数字字符数组
String[] straChineseNumber = new String[] {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"};
BigDecimal upper = null;
    public void init()
    {
    	String money=this.getParameter("money");
    	upper=new BigDecimal(Double.parseDouble(money));
    	
    }
	public void paint(Graphics g)
	{
		
		g.setColor(Color.black);
		g.drawString(DoNumberCurrencyToChineseCurrency(upper),50,50);
	}
	
	
		

    /**
    * Description   将数字金额转换为中文金额
    * @param        <p>BigDecimal bigdMoneyNumber 转换前的数字金额</P>
    * @return       String
    调用：myToChineseCurrency("101.89")="壹佰零壹圆捌角玖分"
    myToChineseCurrency("100.89")="壹佰零捌角玖分"
    myToChineseCurrency("100")="壹佰圆整"
    */
    public String DoNumberCurrencyToChineseCurrency(BigDecimal bigdMoneyNumber) {
        String strChineseCurrency = "";
        //零数位标记
        boolean bZero = true;
        //中文金额单位下标
        int ChineseUnitIndex = 0;

        try {
            if (bigdMoneyNumber.intValue() == 0)
                return "零圆整";

            //处理小数部分，四舍五入
            double doubMoneyNumber = Math.round(bigdMoneyNumber.doubleValue() * 100);

            //是否负数
            boolean bNegative = doubMoneyNumber < 0;

            //取绝对值
            doubMoneyNumber = Math.abs(doubMoneyNumber);

            //循环处理转换操作
            while (doubMoneyNumber > 0) {
                //整的处理(无小数位)
                if (ChineseUnitIndex == 2 && strChineseCurrency.length() == 0)
                    strChineseCurrency = strChineseCurrency + "整";

                //非零数位的处理
                if (doubMoneyNumber % 10 > 0) {
                    strChineseCurrency = straChineseNumber[(int)doubMoneyNumber % 10] + straChineseUnit[ChineseUnitIndex] + strChineseCurrency;
                    bZero = false;
                }
                //零数位的处理
                else {
                    //元的处理(个位)
                    if (ChineseUnitIndex == 2 ) {
                        //段中有数字
                        if (doubMoneyNumber > 0) {
                            strChineseCurrency = straChineseUnit[ChineseUnitIndex] + strChineseCurrency;
                            bZero = true;
                        }
                    }
                    //万、亿数位的处理
                    else if (ChineseUnitIndex == 6 || ChineseUnitIndex == 10) {
                        //段中有数字
                        if (doubMoneyNumber % 1000 > 0)
                            strChineseCurrency = straChineseUnit[ChineseUnitIndex] + strChineseCurrency;
                    }

                    //前一数位非零的处理
                    if (!bZero)
                        strChineseCurrency = straChineseNumber[0] + strChineseCurrency;

                    bZero = true;
                }

                doubMoneyNumber = Math.floor(doubMoneyNumber / 10);
                ChineseUnitIndex ++;
            }

            //负数的处理
            if (bNegative)
                strChineseCurrency = "负" + strChineseCurrency;
        }
        catch (Exception e) {
           
            e.printStackTrace();

            return "";
        }

        return strChineseCurrency;
    }

}