java-數字金額大寫轉換
阿新 • • 發佈:2019-01-04
/** * 數字金額大寫轉換,思想先寫個完整的然後將如零拾替換成零 要用到正則表示式 */ public static String digitUppercase(double n) { String fraction[] = {"角", "分"}; String digit[] = {"零", "壹", "貳", "叄", "肆", "伍", "陸", "柒", "捌", "玖"}; String unit[][] = {{"元", "萬", "億"}, {"", "拾", "佰", "仟"}}; String head = n < 0 ? "負" : ""; n = Math.abs(n); String s = ""; for (int i = 0; i < fraction.length; i++) { s += (digit[(int) (Math.floor(n * 10 * Math.pow(10, i)) % 10)] + fraction[i]).replaceAll("(零.)+", ""); } if (s.length() < 1) { s = "整"; } int integerPart = (int) Math.floor(n); for (int i = 0; i < unit[0].length && integerPart > 0; i++) { String p = ""; for (int j = 0; j < unit[1].length && n > 0; j++) { p = digit[integerPart % 10] + unit[1][j] + p; integerPart = integerPart / 10; } s = p.replaceAll("(零.)*零$", "").replaceAll("^$", "零") + unit[0][i] + s; } return head + s.replaceAll("(零.)*零元", "元").replaceFirst("(零.)+", "").replaceAll("(零.)+", "零").replaceAll("^整$", "零元整"); }
方法二:
private void number2Invoice(int num) { //12345 String mark[] = new String[] {"","十","百","千","萬","十","百","千","億","十","百","千","萬"}; String numCn[] = new String[] {"零","一","二","三","四","五","六","七","八","九"}; char[] numArrRev = String.valueOf(num).toCharArray(); StringBuffer container = new StringBuffer(); for (int i = 0; i < numArrRev.length; i++) { Integer val = Integer.valueOf(String.valueOf(numArrRev[i])); String number = numCn[ val ]; int x = numArrRev.length -i -1; String sign = mark[x]; if( val == 0) { if( x % 4 !=0){// 刪除單位 sign = ""; } if(i < numArrRev.length-1){ Integer val1 = Integer.parseInt(String.valueOf(numArrRev[i+1])); if( val==0 && val==val1 ){ number = ""; }else if ( val == 0 && ("萬".equals(sign) || "億".equals(sign))) { number = ""; } }else if(i == numArrRev.length-1){ number = ""; } } container.append(number + sign); } System.out.println( num + "-->" + container.toString() ); }