1 package test.format;
2 import java.text.NumberFormat;
3 import java.util.HashMap;
4 public class SimpleMoneyFormat {
5 public static final String EMPTY = "";
6 public static final String ZERO = "零";
7 public static final String ONE = "壹";
8 public static final String TWO = "贰";
9 public static final String THREE = "叁";
10 public static final String FOUR = "肆";
11 public static final String FIVE = "伍";
12 public static final String SIX = "陆";
13 public static final String SEVEN = "柒";
14 public static final String EIGHT = "捌";
15 public static final String NINE = "玖";
16 public static final String TEN = "拾";
17 public static final String HUNDRED = "佰";
18 public static final String THOUSAND = "仟";
19 public static final String TEN_THOUSAND = "万";
20 public static final String HUNDRED_MILLION = "亿";
21 public static final String YUAN = "元";
22 public static final String JIAO = "角";
23 public static final String FEN = "分";
24 public static final String DOT = ".";
25
26 private static SimpleMoneyFormat formatter = null;
27 private HashMap chineseNumberMap = new HashMap();
28 private HashMap chineseMoneyPattern = new HashMap();
29 private NumberFormat numberFormat = NumberFormat.getInstance ();
30
31 private SimpleMoneyFormat() {
32 numberFormat.setMaximumFractionDigits(4);
33 numberFormat.setMinimumFractionDigits(2);
34 numberFormat.setGroupingUsed(false);
35
36 chineseNumberMap.put("0", ZERO);
37 chineseNumberMap.put("1", ONE);
38 chineseNumberMap.put("2", TWO);
39 chineseNumberMap.put("3", THREE);
40 chineseNumberMap.put("4", FOUR);
41 chineseNumberMap.put("5", FIVE);
42 chineseNumberMap.put("6", SIX);
43 chineseNumberMap.put("7", SEVEN);
44 chineseNumberMap.put("8", EIGHT);
45 chineseNumberMap.put("9", NINE);
46 chineseNumberMap.put(DOT, DOT);
47
48 chineseMoneyPattern.put("1", TEN);
49 chineseMoneyPattern.put("2", HUNDRED);
50 chineseMoneyPattern.put("3", THOUSAND);
51 chineseMoneyPattern.put("4", TEN_THOUSAND);
52 chineseMoneyPattern.put("5", TEN);
53 chineseMoneyPattern.put("6", HUNDRED);
54 chineseMoneyPattern.put("7", THOUSAND);
55 chineseMoneyPattern.put("8", HUNDRED_MILLION);
56 }
57
58 public static SimpleMoneyFormat getInstance() {
59 if (formatter == null)
60 formatter = new SimpleMoneyFormat();
61 return formatter;
62 }
63
64 public String format(String moneyStr) {
65 checkPrecision(moneyStr);
66 String result;
67 result = convertToChineseNumber(moneyStr);
68 result = addUnitsToChineseMoneyString(result);
69 return result;
70 }
71
72 public String format(double moneyDouble) {
73 return format(numberFormat.format(moneyDouble));
74 }
75
76 public String format(int moneyInt) {
77 return format(numberFormat.format(moneyInt));
78 }
79
80 public String format(long moneyLong) {
81 return format(numberFormat.format(moneyLong));
82 }
83
84 public String format(Number moneyNum) {
85 return format(numberFormat.format(moneyNum));
86 }
87
88 private String convertToChineseNumber(String moneyStr) {
89 String result;
90 StringBuffer cMoneyStringBuffer = new StringBuffer();
91 for (int i = 0; i < moneyStr.length(); i++) {
92 cMoneyStringBuffer.append (chineseNumberMap.get(moneyStr.substring(i, i + 1)));
93 }
94 //拾佰仟万亿等都是汉字里面才有的单位，加上它们
95 int indexOfDot = cMoneyStringBuffer.indexOf(DOT);
96 int moneyPatternCursor = 1;
97 for (int i = indexOfDot - 1; i > 0; i--) {
98 cMoneyStringBuffer.insert(i, chineseMoneyPattern.get(EMPTY + moneyPatternCursor));
99 moneyPatternCursor = moneyPatternCursor == 8 ? 1 : moneyPatternCursor + 1;
100 }
101
102 String fractionPart = cMoneyStringBuffer.substring(cMoneyStringBuffer.indexOf("."));
103 cMoneyStringBuffer.delete(cMoneyStringBuffer.indexOf("."), cMoneyStringBuffer.length());
104 while ( cMoneyStringBuffer.indexOf("零拾") != -1) {
105 cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零拾"), cMoneyStringBuffer.indexOf("零拾") + 2, ZERO);
106 }
107 while (cMoneyStringBuffer.indexOf ("零佰") != -1) {
108 cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零佰"), cMoneyStringBuffer.indexOf("零佰") + 2, ZERO);
109 }
110 while (cMoneyStringBuffer.indexOf("零仟") != -1) {
111 cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零仟"), cMoneyStringBuffer.indexOf("零仟") + 2, ZERO);
112 }
113 while (cMoneyStringBuffer.indexOf("零万") != -1) {
114 cMoneyStringBuffer.replace (cMoneyStringBuffer.indexOf("零万"), cMoneyStringBuffer.indexOf("零万") + 2, TEN_THOUSAND);
115 }
116 while (cMoneyStringBuffer.indexOf("零亿") != -1) {
117 cMoneyStringBuffer.replace( cMoneyStringBuffer.indexOf ("零亿"), cMoneyStringBuffer.indexOf("零亿") + 2, HUNDRED_MILLION);
118 }
119 while (cMoneyStringBuffer.indexOf("零零") != -1) {
120 cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf ("零零"), cMoneyStringBuffer.indexOf("零零") + 2, ZERO);
121 }
122 if (cMoneyStringBuffer.lastIndexOf(ZERO) == cMoneyStringBuffer.length() - 1)
123 cMoneyStringBuffer.delete(cMoneyStringBuffer.length () - 1, cMoneyStringBuffer.length());
124 cMoneyStringBuffer.append(fractionPart);
125
126 result = cMoneyStringBuffer.toString();
127 return result;
128 }
129
130
131 private String addUnitsToChineseMoneyString(String moneyStr) {
132 String result;
133 StringBuffer cMoneyStringBuffer = new StringBuffer(moneyStr);
134 int indexOfDot = cMoneyStringBuffer.indexOf(DOT);
135 cMoneyStringBuffer.replace(indexOfDot, indexOfDot + 1, YUAN);