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[Java] 金额转换，阿拉伯数字的金额转换成中国传统的形式如：（￥1011）－>（一千 →→→→→进入此内容的聊天室

来自 , 2021-02-11, 写在 Java, 查看 152 次.
URL http://www.code666.cn/view/8b6dd7db
  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);
  136. cMoneyStringBuffer.insert(cMoneyStringBuffer.length() - 1, JIAO);
  137. cMoneyStringBuffer.insert(cMoneyStringBuffer.length(), FEN);
  138. if (cMoneyStringBuffer.indexOf("零角零分") != -1)//没有零头，加整
  139. cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零角零分"), cMoneyStringBuffer.length(), "整");
  140. else
  141. if (cMoneyStringBuffer.indexOf("零分") != -1)//没有零分，加整
  142. cMoneyStringBuffer.replace(cMoneyStringBuffer.indexOf("零分"), cMoneyStringBuffer.length(), "整");
  143. else {
  144. if(cMoneyStringBuffer.indexOf("零角")!=-1)
  145. cMoneyStringBuffer.delete(cMoneyStringBuffer.indexOf("零角"),cMoneyStringBuffer.indexOf("零角")+2);
  146. // tmpBuffer.append("整");
  147. }
  148. result = cMoneyStringBuffer.toString();
  149. return result;
  150. }
  151.  
  152. private void checkPrecision(String moneyStr) {
  153. int fractionDigits = moneyStr.length() - moneyStr.indexOf(DOT) - 1;
  154. if (fractionDigits > 2)
  155. throw new RuntimeException("金额" + moneyStr + "的小数位多于两位。"); //精度不能比分低
  156. }
  157.  
  158. public static void main(String args[]) {
  159. System.out.println(getInstance().format(new Double(10010001.01)));
  160. }
  161. }

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