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JAVA如何把键盘输入的金额换转成中文显示。在线求解释~~~
/**
* 将10亿以内的阿拉伯数字转成汉字大写形式
* @author Hp
*
*/
public class TestNum {
// 整数部分
private String integerPart;
// 小数部分
private String floatPart;
// 将数字转化为汉字的数组,因为各个实例都要使用所以设为静态
private static final char[] cnNumbers={'零','壹','贰','叁','肆','伍','陆','柒','捌','玖'};
// 供分级转化的数组,因为各个实例都要使用所以设为静态
private static final char[] series={'元','拾','百','仟','万','拾','百','仟','亿'};
/**
* 构造函数,通过它将阿拉伯数字形式的字符串传入
* @param original
*/
public TestNum(String original){
// 成员变量初始化
integerPart="";
floatPart="";
if(original.contains(".")){
// 如果包含小数点
int dotIndex=original.indexOf(".");
integerPart=original.substring(0,dotIndex);
floatPart=original.substring(dotIndex+1);
}
else{
// 不包含小数点
integerPart=original;
}
}
/**
* 取得大写形式的字符串
* @return
*/
public String getCnString(){
// 因为是累加所以用StringBuffer
StringBuffer sb=new StringBuffer();
// 整数部分处理
for(int i=0;iintegerPart.length();i++){
int number=getNumber(integerPart.charAt(i));
sb.append(cnNumbers[number]);
sb.append(series[integerPart.length()-1-i]);
}
// 小数部分处理
if(floatPart.length()0){
sb.append("点");
for(int i=0;ifloatPart.length();i++){
int number=getNumber(floatPart.charAt(i));
sb.append(cnNumbers[number]);
}
}
// 返回拼接好的字符串
return sb.toString();
}
/**
* 将字符形式的数字转化为整形数字
* 因为所有实例都要用到所以用静态修饰
* @param c
* @return
*/
private static int getNumber(char c){
String str=String.valueOf(c);
return Integer.parseInt(str);
}
/**
* @param args
*/
public static void main(String[] args) {
System.out.println(new TestNum("123456789.12345").getCnString());
System.out.println(new TestNum("123456789").getCnString());
System.out.println(new TestNum(".123456789").getCnString());
System.out.println(new TestNum("0.1234").getCnString());
System.out.println(new TestNum("1").getCnString());
System.out.println(new TestNum("12").getCnString());
System.out.println(new TestNum("123").getCnString());
System.out.println(new TestNum("1234").getCnString());
System.out.println(new TestNum("12345").getCnString());
System.out.println(new TestNum("123456").getCnString());
System.out.println(new TestNum("1234567").getCnString());
System.out.println(new TestNum("12345678").getCnString());
System.out.println(new TestNum("123456789").getCnString());
}
}
java如何将数字转为中文大写
import org.apache.commons.lang3.StringUtils;
/**
* @Title: ConvertUpMoney
* @Description: 将数字金额转换为大写中文金额
* @date: 2019年6月18日 下午10:52:27
*/
public class ConvertUpMoney {
// 大写数字
private static final String[] NUMBERS = {"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};
// 整数部分的单位
private static final String[] IUNIT = {"元","拾","佰","仟","万","拾","佰","仟","亿","拾","佰","仟","万","拾","佰","仟"};
// 小数部分的单位
private static final String[] DUNIT = {"角","分","厘"};
/**
* 转换为大写的中文金额
* @param str 字符串类型的 金额数字
* @return
*/
public static String toChinese(String str) {
// 判断输入的金额字符串是否符合要求
if (StringUtils.isBlank(str) || !str.matches("(-)?[\\d]*(.)?[\\d]*")) {
return "抱歉，请输入数字！";
}
if("0".equals(str) || "0.00".equals(str) || "0.0".equals(str)) {
return "零元";
}
// 判断金额数字中是否存在负号"-"
boolean flag = false;
if(str.startsWith("-")){
// 标志位，标志此金额数字为负数
flag = true;
str = str.replaceAll("-", "");
}
// 去掉金额数字中的逗号","
str = str.replaceAll(",", "");
String integerStr;//整数部分数字
String decimalStr;//小数部分数字
// 初始化：分离整数部分和小数部分
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 = "";
}
// beyond超出计算能力，直接返回
if(integerStr.length()IUNIT.length) {
return "超出计算能力！";
}
// 整数部分数字
int[] integers = toIntArray(integerStr);
// 判断整数部分是否存在输入012的情况
if (integers.length1 integers[0] == 0) {
return "抱歉，输入数字不符合要求！";
}
// 设置万单位
boolean isWan = isWan5(integerStr);
// 小数部分数字
int[] decimals = toIntArray(decimalStr);
// 返回最终的大写金额
String result = getChineseInteger(integers, isWan) + getChineseDecimal(decimals);
if(flag){
// 如果是负数，加上"负"
return "负" + result;
}else{
return result;
}
}
/**
* 将字符串转为int数组
* @param number 数字
* @return
*/
private static int[] toIntArray(String number) {
int[] array = new int[number.length()];
for(int i = 0;inumber.length();i++) {
array[i] = Integer.parseInt(number.substring(i,i+1));
}
return array;
}
/**
* 将整数部分转为大写的金额
* @param integers 整数部分数字
* @param isWan 整数部分是否已经是达到【万】
* @return
*/
public static String getChineseInteger(int[] integers,boolean isWan) {
StringBuffer chineseInteger = new StringBuffer("");
int length = integers.length;
if (length == 1 integers[0] == 0) {
return "";
}
for(int i=0; ilength; i++) {
String key = "";
if(integers[i] == 0) {
if((length - i) == 13)//万（亿）
key = IUNIT[4];
else if((length - i) == 9) {//亿
key = IUNIT[8];
}else if((length - i) == 5 isWan) {//万
key = IUNIT[4];
}else if((length - i) == 1) {//元
key = IUNIT[0];
}
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();
}
/**
* 将小数部分转为大写的金额
* @param decimals 小数部分的数字
* @return
*/
private static String getChineseDecimal(int[] decimals) {
StringBuffer chineseDecimal = new StringBuffer("");
for(int i = 0;idecimals.length;i++) {
if(i == 3) {
break;
}
chineseDecimal.append(decimals[i]==0?"":(NUMBERS[decimals[i]]+DUNIT[i]));
}
return chineseDecimal.toString();
}
/**
* 判断当前整数部分是否已经是达到【万】
* @param integerStr 整数部分数字
* @return
*/
private static boolean isWan5(String integerStr) {
int length = integerStr.length();
if(length 4) {
String subInteger = "";
if(length 8) {
subInteger = integerStr.substring(length- 8,length -4);
}else {
subInteger = integerStr.substring(0,length - 4);
}
return Integer.parseInt(subInteger) 0;
}else {
return false;
}
}
// Test
public static void main(String[] args) {
String number = "12.56";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "1234567890563886.123";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "1600";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "156,0";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "-156,0";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "0.12";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "0.0";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "01.12";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "0125";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "-0125";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
number = "sdw5655";
System.out.println(number+": "+ConvertUpMoney.toChinese(number));
System.out.println(null+": "+ConvertUpMoney.toChinese(null));
}
}
用java编译金额的中文大写转换。
/**
* 金额小数转换成中文大写金额
* @author Neil Han
*
*/
public class ConvertMoneyToUppercase {
private static final String UNIT[] = { "万", "千", "佰", "拾", "亿", "千", "佰",
"拾", "万", "千", "佰", "拾", "元", "角", "分" };
private static final String NUM[] = { "零", "壹", "贰", "叁", "肆", "伍", "陆",
"柒", "捌", "玖" };
private static final double MAX_VALUE = 9999999999999.99D;
/**
* 将金额小数转换成中文大写金额
* @param money
* @return result
*/
public static String convertMoney(double money) {
if (money 0 || money MAX_VALUE)
return "参数非法!";
long money1 = Math.round(money * 100); // 四舍五入到分
if (money1 == 0)
return "零元整";
String strMoney = String.valueOf(money1);
int numIndex = 0; // numIndex用于选择金额数值
int unitIndex = UNIT.length - strMoney.length(); // unitIndex用于选择金额单位
boolean isZero = false; // 用于判断当前为是否为零
String result = "";
for (; numIndex strMoney.length(); numIndex++, unitIndex++) {
char num = strMoney.charAt(numIndex);
if (num == '0') {
isZero = true;
if (UNIT[unitIndex] == "亿" || UNIT[unitIndex] == "万"
|| UNIT[unitIndex] == "元") { // 如果当前位是亿、万、元，且数值为零
result = result + UNIT[unitIndex]; //补单位亿、万、元
isZero = false;
}
}else {
if (isZero) {
result = result + "零";
isZero = false;
}
result = result + NUM[Integer.parseInt(String.valueOf(num))] + UNIT[unitIndex];
}
}
//不是角分结尾就加"整"字
if (!result.endsWith("角")!result.endsWith("分")) {
result = result + "整";
}
//例如没有这行代码，数值"400000001101.2"，输出就是"肆千亿万壹千壹佰零壹元贰角"
result = result.replaceAll("亿万", "亿");
return result;
}
public static void main(String[] args) {
double value = Double.parseDouble("40330701101.2");
System.out.println("您输入的金额（小写）为：" + value);
System.out.println("您输入的金额（大写）为：" + convertMoney(value));
}
}
