将输入金额转化为发票大写形式

不念不忘少年蓝@ 2022-07-14 00:09 207阅读 0赞

package test;  
  
  
import java.util.Scanner;  
  
  
/\*  
 \* 3、编写程序将表示钱数的数字转换为大写形式，例如；1200.53 壹仟贰佰零元伍角三分；  
 \*/  
public class ChangeMoney \{  
public static final String\[\] CN = \{ "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" \};  
public static final String\[\] UNIT = \{ "分", "角", "元", "十", "佰", "仟", "万", "十", "佰", "仟", "亿", "十", "佰", "仟", "兆",  
"十", "佰", "仟" \};  
  
  
public static void main(String\[\] args) \{  
Scanner scan=new Scanner(System.in);  
double money = scan.nextDouble();  
// System.out.println(money - 0.05);  
System.out.println(moneyToCn(money));  
\}  
  
  
private static String moneyToCn(double money) \{  
String rs = "";  
if (money == 0) \{  
return "零元整";  
\}  
  
  
long num = (long) (Math.round(money \* 100));// 所有有效位转为整型；浮点数运算可能有误差，使用Math.round四舍五入  
System.out.println(num);  
int index = 0;// 记录当前处理的位  
int currNum;// 当前处理的数字  
boolean hasZero = false;// 是否出现过零  
int zero = 0;  
  
  
long decimal = num % 100;  
if (decimal == 0) \{  
index = 2;// 没有角、分直接从元开始  
num = num / 100;  
hasZero = true;  
\} else if (decimal % 10 == 0) \{  
index = 1;// 没有分  
num = num / 10;  
hasZero = true;  
\}  
  
  
while (true) \{  
if (num <= 0) \{  
break;// 所有的数字处理完成，退出循环  
\}  
currNum = (int) (num % 10);// 取当前处理位的数字  
if (currNum > 0) \{// currNum不是0  
if (index == 9 && zero >= 3) \{  
rs = "万" + rs;  
\}  
if (index == 13 && zero >= 3) \{  
rs = "亿" + rs;  
\}  
if (index == 17 && zero >= 3) \{  
rs = "兆" + rs;  
\}  
rs = UNIT\[index\] + rs;// 先加单位  
rs = CN\[currNum\] + rs;// 加大写数字  
hasZero = false;  
\} else \{// currNum是0  
if (!hasZero) \{// 之前有一位数不是零  
rs = CN\[currNum\] + rs;  
\}  
  
  
// 第一位是0需要元；万、亿、兆位之后有数字的需要单位  
if (index == 2 || ((index - 2) % 4 == 0) && num % 1000 != 0) \{  
rs = UNIT\[index\] + rs;  
\}  
hasZero = true;  
zero++;  
\}  
  
  
num = num / 10;// 处理完成舍去最后一位  
index++;  
\}  
  
  
if (decimal == 0) \{// 没有角、分需要加上整  
rs += "整";  
\}  
return rs;  
\}  
\}