[论坛提问] 求大神帮看看这个程序怎么写

1. 键盘录入一个大于-1小于1000的正整数，将该整数转换成中文在控制台输出
2. 除非输入数字不在规定的范围，否则可以一直进行输入转换
小于10，数字后不需要带单位
大于9小于100,数字后需要带单位”十”
大于99小于1000,数字后需要带单位”百”
数字转换成中文样式如下：
5       五
15    一十五
115    一百一十五

新晋猿工 · 新晋猿工

给个你参考下，差不多的

新晋猿工 · 新晋猿工

package cn.itcast.javatest;
import java.math.BigDecimal;
import java.util.Hashtable;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 将阿拉伯数字转换成汉语大写数字
*
* @author sitinspring
* @date 2008-03-25
*/
public class ChineseUpperCaser {
/**
* 用于存储整数部分
*/
private String integerPart;
/**
* 用于存储小数部分
*/
private String floatPart;
/**
* 用于存储0-9大写的哈希表
*/
private static final Map<String, String> ZerotoNineHt;
/**
* 用于存储十百千大写的哈希表
*/
private static final Map<Integer, String> thHuTenHt;
/**
* 用于存储万亿兆大写的哈希表
*/
private static final Map<Integer, String> wanYiZhaoHt;
static {
ZerotoNineHt = new Hashtable<String, String>();
ZerotoNineHt.put("0", "零");
ZerotoNineHt.put("1", "壹");
ZerotoNineHt.put("2", "贰");
ZerotoNineHt.put("3", "叁");
ZerotoNineHt.put("4", "肆");
ZerotoNineHt.put("5", "伍");
ZerotoNineHt.put("6", "陆");
ZerotoNineHt.put("7", "柒");
ZerotoNineHt.put("8", "捌");
ZerotoNineHt.put("9", "玖");
thHuTenHt = new Hashtable<Integer, String>();
thHuTenHt.put(0, "");
thHuTenHt.put(1, "拾");
thHuTenHt.put(2, "佰");
thHuTenHt.put(3, "仟");
wanYiZhaoHt = new Hashtable<Integer, String>();
wanYiZhaoHt.put(0, "");
wanYiZhaoHt.put(1, "万");
wanYiZhaoHt.put(2, "亿");
wanYiZhaoHt.put(3, "兆");
}
private static String getWanYiZhao(int level) {
String retval = "";
do {
retval += wanYiZhaoHt.get(level % 4);
level -= 3;
} while (level > 3);
return retval;
}
/**
* 构造函数
*
* @param number
* @throws NumberFormatException
*/
public ChineseUpperCaser(float number) throws NumberFormatException {
this(String.valueOf(number));
}
/**
* 构造函数
*
* @param number
* @throws NumberFormatException
*/
public ChineseUpperCaser(double number) throws NumberFormatException {
this(String.valueOf(number));
}
/**
* 构造函数
*
* @param number
* @throws NumberFormatException
*/
public ChineseUpperCaser(int number) throws NumberFormatException {
this(String.valueOf(number));
}
/**
* 构造函数
*
* @param number
* @throws NumberFormatException
*/
public ChineseUpperCaser(long number) throws NumberFormatException {
this(String.valueOf(number));
}
/**
* 构造函数
*
* @param number
* @throws NumberFormatException
*/
public ChineseUpperCaser(String number) throws NumberFormatException {
String formalNumber = formatNumber(number);
// 辟分以给整数部分和小数部分赋值
String[] arr = formalNumber.split("[.]");
if (arr.length == 2) {
// 有小数点
integerPart = arr[0];
floatPart = arr[1];
} else {
// 无小数点
integerPart = arr[0];
}
}
public String toString() {
String retval = "";
if (integerPart != null) {
retval += parseIntegerPart();
}
if (floatPart != null) {
retval += parseFloatPart();
} else {
retval += "整";
}
return retval;
}
/**
* 得到整数部分的汉字大写表示
*
* @return
*/
private String parseIntegerPart() {
String retval = "";
// 将整数部分逆序，因为需要反向读取
String reverseIntegerPart = "";
for (int i = integerPart.length() - 1; i > -1; i--) {
reverseIntegerPart += integerPart.charAt(i);
}
// 将整数部分按四位分段
Pattern p = Pattern.compile("\\d{4}", Pattern.CASE_INSENSITIVE);
Matcher m = p.matcher(reverseIntegerPart);
StringBuffer sb = new StringBuffer();
boolean result = m.find();
while (result) {
// 每找到四位放一个逗号
m.appendReplacement(sb, m.group(0) + ",");
result = m.find();
}
m.appendTail(sb);
// 按逗号劈分，得到四位分组数据的数组
String[] arr = sb.toString().split(",");
int j;
String str;
for (int i = arr.length - 1; i >= 0; i--) {
String temp = arr[i];
// 阿拉伯数字转大写汉字加单位（千百十）
for (j = temp.length() - 1; j >= 0; j--) {
str = String.valueOf(temp.charAt(j));
retval += ZerotoNineHt.get(str) + thHuTenHt.get(j);
}
retval = retval.replaceAll("(零)($)", "$2");// 零在末尾则去掉
// 加单位（兆亿万）
retval += getWanYiZhao(i);
}
// 零替换
retval = retval.replaceAll("(零[仟佰拾])", "零");
retval = retval.replaceAll("(零{2,})", "零");
retval = retval.replaceAll("(零)($)", "$2");// 零在末尾则去掉
return retval;
}
/**
* 得到小数部分的汉字大写表示
*
* @return
*/
private String parseFloatPart() {
String retval = "点";
for (int i = 0; i < floatPart.length(); i++) {
String temp = String.valueOf(floatPart.charAt(i));
retval += ZerotoNineHt.get(temp);
}
return retval;
}
/**
* 对输入的字符串进行验证，如果不能转化为数字形式则抛出数字转化异常，注意这是一个运行时异常(非检查型异常)，程序不用显式捕获
*
* @param number
* @throws NumberFormatException
*/
private String formatNumber(String number) throws NumberFormatException {
return (new BigDecimal(number)).toString();
}
public static void main(String[] args) {
String[] arr = { "1.543524304302432", "12.432423432", "123.454235",
"1234", "12345", "123456", "1234567", "12345678", "123456789",
"1234567891", "12345678912", "123456789123", "1234567891234",
"12345678912345", "123456789123456", "1234567891234567",
"12345678912345678", "123456789123456789",
"123456789123456789123456089123456789123456789123450780", "0",
"00", "000", "0000", "01", "001", "0001", "00001", "10", "100",
"1000", "10000", "101", "1001", "10001", "100001", "1.23",
"21.234", "243400031.233234", "5400035.980", "543.6545" };
// String[]
// arr={"0","00","000","0000","01","001","0001","00001","10","100","1000","10000","101","1001","10001","100001"};
// String[]
// arr={"1.23","21.234","243400031.233234","5400035.980","543.6545"};
for (String str : arr) {
System.out.println("阿拉伯数字等于：" + str + " 大写汉字等于："
+ new ChineseUpperCaser(str));
}
}
}

复制代码

cat73 · cat73

本帖最后由 cat73 于 2016-7-26 12:23 编辑

代码：

[Java] 纯文本查看 复制代码

    public static void main(final String[] args) {
        System.out.println(1234567890 + ": " + Main.i2s(1234567890));
        System.out.println(230009888 + ": " + Main.i2s(230009888));
        System.out.println(100000800 + ": " + Main.i2s(100000800));
    }

    public static String i2s(int num) {
        final String[] suffixs = { "", "万", "亿" };

        String result = "";

        int i = 0;
        while (num != 0) {
            result = Main.i2s(num % 10000, suffixs[i++]) + result;
            num /= 10000;
        }

        return result;
    }

    private static String i2s(int num, final String suffix) {
        if (num == 0) {
            return "";
        }

        final String[] nums = { "零", "一", "二", "三", "四", "五", "六", "七", "八", "九" };
        final String[] units = { "", "十", "百", "千" };

        String result = "";

        int i = 0;
        while (num != 0) {
            final int n = num % 10;

            if (n != 0) {
                result = units[i] + result;
                result = nums[n] + result;
            }

            num /= 10;
            i += 1;
        }

        return result + suffix;
    }

输出：

[Java] 纯文本查看 复制代码

1234567890: 一十二亿三千四百五十六万七千八百九十
230009888: 二亿三千万九千八百八十八
100000800: 一亿八百

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[论坛提问] 求大神帮看看这个程序怎么写

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