1 public class Tool {
2
3 private static final String UNIT = "万千佰拾亿千佰拾万千佰拾元角分";
4 private static final String DIGIT = "零壹贰叁肆伍陆柒捌玖";
5 private static final double MAX_VALUE = 9999999999999.99D;
6 public static String change(double v) {
7 if (v < 0 || v > MAX_VALUE){
8 return "参数非法!";
9 }
10 long lo = Math.round(v * 100);
11 if (lo == 0){
12 return "零元整";
13 }
14 String strValue = lo + "";
15 // i用来控制数
16 int i = 0;
17 // j用来控制单位
18 int j = UNIT.length() - strValue.length();
19 String rs = "";
20 boolean isZero = false;
21 for (; i < strValue.length(); i++, j++) {
22 char ch = strValue.charAt(i);
23 if (ch == '0') {
24 isZero = true;
25 if (UNIT.charAt(j) == '亿' || UNIT.charAt(j) == '万' || UNIT.charAt(j) == '元') {
26 rs = rs + UNIT.charAt(j);
27 isZero = false;
28 }
29 } else {
30 if (isZero) {
31 rs = rs + "零";
32 isZero = false;
33 }
34 rs = rs + DIGIT.charAt(ch - '0') + UNIT.charAt(j);
35 }
36 }
37 if (!rs.endsWith("分") && !rs.endsWith("角")) {
38 rs = rs + "整";
39 }
40 rs = rs.replaceAll("亿万", "亿");
41 return rs;
42 }
43
44 public static void main(String[] args){
45 System.out.println(Tool.change(70005001.0));
46 // System.out.println(Tool.change(12356789.9845));
47 }
48 }
