金额转换，阿拉伯数字的金额转换成中国传统的形式

雨点打透心脏的1/2处 2024-02-17 20:16 59阅读 0赞

Code:

1.  package com.fourstar.test;
2.  
3.  import java.text.NumberFormat;
4.  import java.util.HashMap;
5.  
6.  public class SimpleMoneyFormat \{
7.  public static final String EMPTY = "";
8.  public static final String ZERO = "零";
9.  public static final String ONE = "壹";
10. public static final String TWO = "贰";
11. public static final String THREE = "叁";
12. public static final String FOUR = "肆";
13. public static final String FIVE = "伍";
14. public static final String SIX = "陆";
15. public static final String SEVEN = "柒";
16. public static final String EIGHT = "捌";
17. public static final String NINE = "玖";
18. public static final String TEN = "拾";
19. public static final String HUNDRED = "佰";
20. public static final String THOUSAND = "仟";
21. public static final String TEN\_THOUSAND = "万";
22. public static final String HUNDRED\_MILLION = "亿";
23. public static final String YUAN = "元";
24. public static final String JIAO = "角";
25. public static final String FEN = "分";
26. public static final String DOT = ".";
27. 
28. public static SimpleMoneyFormat formatter = null;
29. private HashMap chineseNumberMap = new HashMap();
30. private HashMap chineseMoneyPattern = new HashMap();
31. private NumberFormat numberFormat = NumberFormat.getInstance();
32. 
33. private SimpleMoneyFormat() \{
34. numberFormat.setMaximumFractionDigits(4);
35. numberFormat.setMinimumFractionDigits(2);
36. numberFormat.setGroupingUsed(false);
37. chineseNumberMap.put("0", ZERO);
38. chineseNumberMap.put("1", ONE);
39. chineseNumberMap.put("2", TWO);
40. chineseNumberMap.put("3", THREE);
41. chineseNumberMap.put("4", FOUR);
42. chineseNumberMap.put("5", FIVE);
43. chineseNumberMap.put("6", SIX);
44. chineseNumberMap.put("7", SEVEN);
45. chineseNumberMap.put("8", EIGHT);
46. chineseNumberMap.put("9", NINE);
47. chineseNumberMap.put(DOT, DOT);
48. 
49. chineseMoneyPattern.put("1", TEN);
50. chineseMoneyPattern.put("2", HUNDRED);
51. chineseMoneyPattern.put("3", THOUSAND);
52. chineseMoneyPattern.put("4", TEN\_THOUSAND);
53. chineseMoneyPattern.put("5", TEN);
54. chineseMoneyPattern.put("6", HUNDRED);
55. chineseMoneyPattern.put("7", THOUSAND);
56. chineseMoneyPattern.put("8", HUNDRED\_MILLION);
57. \}
58. 
59. public static SimpleMoneyFormat getInstance() \{
60. if (formatter == null) \{
61. formatter = new SimpleMoneyFormat();
62. \}
63. return formatter;
64. \}
65. 
66. public String format(String moneyStr) \{
67. checkPrecision(moneyStr);
68. String result;
69. result = converToChineseNumber(moneyStr);
70. result = addUnitsToChineseMoneyString(result);
71. return result;
72. \}
73. 
74. public String format(double moneyDouble) \{
75. return format(numberFormat.format(moneyDouble));
76. \}
77. 
78. public String format(int moneyInt) \{
79. return format(numberFormat.format(moneyInt));
80. \}
81. 
82. public String format(long moneyLong) \{
83. return format(numberFormat.format(moneyLong));
84. \}
85. 
86. public String format(Number moneyNum) \{
87. return format(numberFormat.format(moneyNum));
88. \}
89. 
90. private String addUnitsToChineseMoneyString(String moneyStr) \{
91. String result;
92. StringBuffer cMoneyStringBuffer = new StringBuffer(moneyStr);
93. int indexOfDot = cMoneyStringBuffer.indexOf(DOT);
94. cMoneyStringBuffer.replace(indexOfDot, indexOfDot+1, YUAN);
95. cMoneyStringBuffer.insert(cMoneyStringBuffer.length()-1, JIAO);
96. cMoneyStringBuffer.insert(cMoneyStringBuffer.length(),FEN);
97. if(cMoneyStringBuffer.indexOf("零角零分")!=-1)cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零角零分"), cMoneyStringBuffer.length(), "整");
98. if(cMoneyStringBuffer.indexOf("零分")!=-1)cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零分"), cMoneyStringBuffer.length(), "整");
99. if(cMoneyStringBuffer.indexOf("零角")!=-1)cMoneyStringBuffer.delete(cMoneyStringBuffer.indexOf("零角"), cMoneyStringBuffer.indexOf("零角")+2);
100. result = cMoneyStringBuffer.toString();
101. return result;
102. \}
103. 
104. private String converToChineseNumber(String moneyStr) \{
105. String result;
106. StringBuffer cMoneyStringBuffer = new StringBuffer();
107. for (int i = 0; i < moneyStr.length(); i++) \{
108. cMoneyStringBuffer.append(chineseNumberMap.get(moneyStr.substring(i, i + 1)));
109. \}
110. int indexOfDot = cMoneyStringBuffer.indexOf(DOT);
111. int moneyPatternCursor = 1;
112. for(int i = indexOfDot-1;i>0;i--)\{
113. cMoneyStringBuffer.insert(i, chineseMoneyPattern.get(EMPTY+ moneyPatternCursor));
114. moneyPatternCursor = moneyPatternCursor == 8?1:moneyPatternCursor+1;
115. \}
116. String fractionPart = cMoneyStringBuffer.substring(cMoneyStringBuffer.indexOf("."));
117. cMoneyStringBuffer.delete(cMoneyStringBuffer.indexOf("."), cMoneyStringBuffer.length());
118. while(cMoneyStringBuffer.indexOf("零拾")!=-1)\{
119. cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零拾"),cMoneyStringBuffer.indexOf("零拾")+2,ZERO);
120. \}
121. while(cMoneyStringBuffer.indexOf("零佰")!=-1)\{
122. cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零佰"),cMoneyStringBuffer.indexOf("零佰")+2,ZERO);
123. \}
124. while(cMoneyStringBuffer.indexOf("零仟")!=-1)\{
125. cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零仟"),cMoneyStringBuffer.indexOf("零仟")+2,ZERO);
126. \}
127. while(cMoneyStringBuffer.indexOf("零万")!=-1)\{
128. cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零万"),cMoneyStringBuffer.indexOf("零万")+2,TEN\_THOUSAND);
129. \}
130. while(cMoneyStringBuffer.indexOf("零亿")!=-1)\{
131. cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零亿"),cMoneyStringBuffer.indexOf("零亿")+2,HUNDRED\_MILLION);
132. \}
133. while(cMoneyStringBuffer.indexOf("零零")!=-1)\{
134. cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零零"),cMoneyStringBuffer.indexOf("零零")+2,ZERO);
135. \}
136. if(cMoneyStringBuffer.lastIndexOf(ZERO)==cMoneyStringBuffer.length()-1)cMoneyStringBuffer.delete(cMoneyStringBuffer.length()-1, cMoneyStringBuffer.length());
137. cMoneyStringBuffer.append(fractionPart);
138. result = cMoneyStringBuffer.toString();
139. return result;
140. \}
141. 
142. private void checkPrecision(String moneyStr) \{
143. int fractionDigits = moneyStr.length() - moneyStr.indexOf(DOT) - 1;
144. if (fractionDigits > 2)throw new RuntimeException("金额" \+ moneyStr + "的小数位多于两位。");
145. \}
146. 
147. 
148. 
149. 
150. public static void main(String args\[\])\{
151. System.out.println(new SimpleMoneyFormat().format(87654321234567890.01));
152. \}
153. 
154. \}