把数字转换成人民币大写的形式Java类

2015/02/26 35096

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/**
 * @author sunpander
  
 * 把输入的数字转换成人民币大写的形式
 */
 
import java.io.BufferedReader;
import java.io.InputStreamReader;
 
public class ChangeNumToRMB {
 
    String moneyStrs[] = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        boolean isDebug = true;
        while (isDebug) {
            int num = 0;
            String changedStr = "";
            System.out.println("请输入需要转换的金额：");
            BufferedReader br = new BufferedReader(new InputStreamReader(
                    System.in));
            boolean isWrongInput = true;
            while (isWrongInput) {
                try {
                    String str = br.readLine();
 
                    num = Integer.parseInt(str);
 
                } catch (Exception e) {
                    System.out.println("输入数字有误,必须是:0" + "到" + Integer.MAX_VALUE
                            + " 的整数");
 
                    // TODO Auto-generated catch block
                    // e.printStackTrace();
                    isWrongInput = true;
                    continue;
                }
                isWrongInput = false;
            }
            ChangeNumToRMB chan = new ChangeNumToRMB();
            changedStr = chan.getChangedString(num);
        }
    }
 
    public String getChangedString(int num) {
 
        // Money用于存放输入的金额数
        int moneyNum = num;
        String moneyStr = "";
        System.out.println("输入的钱数是:");
        if (moneyNum < 0) {
            System.out.println("数字必须大于零");
        } else if (moneyNum == 0) {
            moneyStr = "零元";
        }
        // 只有四位数,即最大9999.小于10000
        else if (moneyNum < 10000) {
            moneyStr = this.getFourNumStr(moneyNum) + "元";
        }
        // 大于一万,小于一千万
        else if (moneyNum <= 10000000)// && moneyNum>10000)
        {
 
            int firstFourNum, lastFourNum;
            firstFourNum = moneyNum / 10000;
            lastFourNum = moneyNum % 10000;
            String firstFourStr = this.getFourNumStr(firstFourNum);
            String lastFourStr = this.getFourNumStr(lastFourNum);
            if (!lastFourStr.contains("仟"))
                lastFourStr = "零" + lastFourStr;
            moneyStr = firstFourStr + "万" + lastFourStr + "元";
        }
        // 大于一千万.即上亿但小于最大整数
        else if (moneyNum < Integer.MAX_VALUE)// && moneyNum>10000000)
        {
            int firstFourNum, secondFourNum, lastFourNum;
            firstFourNum = moneyNum / 100000000;
            secondFourNum = (moneyNum / 10000) % 1000;
            lastFourNum = moneyNum % 10000;
            String firstFourStr = this.getFourNumStr(firstFourNum);
            String secondFourStr = this.getFourNumStr(secondFourNum);
            String lastFourStr = this.getFourNumStr(lastFourNum);
            if (!lastFourStr.contains("仟"))
                lastFourStr = "零" + lastFourStr;
            if (!secondFourStr.contains("仟"))
                secondFourStr = "零" + secondFourStr;
            moneyStr = firstFourStr + "亿" + secondFourStr + "万" + lastFourStr
                    + "元";
        } else
            System.out.println("someting    is wrong");
        System.out.println(moneyStr);
        return moneyStr;
    }
 
    public String getFourNumStr(int fourNum) {
        int qian, bai, shi, ge;
        ge = fourNum % 10;
        shi = (fourNum % 100) / 10;
        bai = (fourNum % 1000) / 100;
        qian = fourNum / 1000;
        String strTemp = "";
        if (qian != 0) {
 
            strTemp = strTemp.concat(moneyStrs[qian] + "仟");
            strTemp = strTemp.concat(moneyStrs[bai] + "佰");
            strTemp = strTemp.concat(moneyStrs[shi] + "什");
            strTemp = strTemp.concat(moneyStrs[ge]);
 
            strTemp = strTemp.replace("零佰", "零");
            strTemp = strTemp.replace("零什", "零");
            strTemp = strTemp.replace("零零", "零");
            strTemp = strTemp.replace("零零", "零");
 
            if (strTemp.endsWith("零"))
                strTemp = strTemp.substring(0, strTemp.length() - 1);
        } else if (bai != 0) {
            strTemp = strTemp.concat(moneyStrs[bai] + "佰");
            strTemp = strTemp.concat(moneyStrs[shi] + "什");
            strTemp = strTemp.concat(moneyStrs[ge]);
 
            strTemp = strTemp.replace("零什", "零");
            strTemp = strTemp.replace("零零", "零");
 
            if (strTemp.endsWith("零"))
                strTemp = strTemp.substring(0, strTemp.length() - 1);
        } else if (shi != 0) {
 
            strTemp = strTemp.concat(moneyStrs[shi] + "什");
            strTemp = strTemp.concat(moneyStrs[ge]);
 
            if (strTemp.endsWith("零"))
                strTemp = strTemp.substring(0, strTemp.length() - 1);
        } else
            strTemp.concat(moneyStrs[ge]);
        return strTemp;
    }
}