js实现金额小写转大写

js实现⾦额⼩写转⼤写
1function convertCurrency(currencyDigits) {
2var MAXIMUM_NUMBER = 1000000000000.00;
3
4var CN_ZERO = "零";
5var CN_ONE = "壹";
6var CN_TWO = "贰";
7var CN_THREE = "叁";
8var CN_FOUR = "肆";
9var CN_FIVE = "伍";
10var CN_SIX = "陆";
11var CN_SEVEN = "柒";
12var CN_EIGHT = "捌";
13var CN_NINE = "玖";
14var CN_TEN = "拾";
15var CN_HUNDRED = "佰";
16var CN_THOUSAND = "仟";
17var CN_TEN_THOUSAND = "万";
18var CN_HUNDRED_MILLION = "亿";
19var CN_SYMBOL = "⼈民币";
20var CN_DOLLAR = "元";
21var CN_TEN_CENT = "⾓";
22var CN_CENT = "分";
23var CN_INTEGER = "整";
24
25var integral; // integral part
26var decimal; // decimal part
27var outputCharacters = ""; // result.
28var parts;
29var digits, radices, bigRadices, decimals;
30var zeroCount;
31var i, p, d;
32var quotient, modulus;
33
34if (currencyDigits != null) {
35 currencyDigits = currencyDigits.toString();
36 currencyDigits = currencyDigits.replace(/,/g, ""); // Remove comma delimiters.
37 currencyDigits = currencyDigits.replace(/^0+/, ""); // Trim zeros at the beginning.
38
39if (Number(currencyDigits) < MAXIMUM_NUMBER) {
40if (Number(currencyDigits) < 0) {
41 outputCharacters += "负";
42 currencyDigits = Math.abs(Number(currencyDigits)).toString();
43 }
44
45 parts = currencyDigits.split("."); // separate the number by decimal point
46if (parts.length > 1) {
47 integral = parts[0];
48 decimal = parts[1];
49 decimal = decimal.substr(0, 2);// two decimal places
50 } else {
51 integral = parts[0];
52 decimal = "";
53 }
54
55 digits = new Array(CN_ZERO, CN_ONE, CN_TWO, CN_THREE, CN_FOUR, CN_FIVE, CN_SIX, CN_SEVEN, CN_EIGHT, CN_NINE);
56 radices = new Array("", CN_TEN, CN_HUNDRED, CN_THOUSAND);
57 bigRadices = new Array("", CN_TEN_THOUSAND, CN_HUNDRED_MILLION);
58 decimals = new Array(CN_TEN_CENT, CN_CENT);
59
60if (Number(integral) > 0) {
61 zeroCount = 0;
62for (i = 0; i < integral.length; i++) {
63 p = integral.length - i - 1;
64 d = integral.substr(i, 1);
65 quotient = p / 4;
66 modulus = p % 4;
67if (d == "0") {
68 zeroCount++;
69 } else {
70if (zeroCount > 0) {
71 outputCharacters += digits[0];
72 }
73 zeroCount = 0;
74 outputCharacters += digits[Number(d)] + radices[modulus];
75 }
76if (modulus == 0 && zeroCount < 4) {
77 outputCharacters += bigRadices[quotient];
78 }
79 }
80 outputCharacters += CN_DOLLAR;
81 }
82
83if (decimal != "") {
84for (i = 0; i < decimal.length; i++) {
85 d = decimal.substr(i, 1);
86if (d != "0") {
87 outputCharacters += digits[Number(d)] + decimals[i];
88 }
89 }
90 }
91if (outputCharacters == "") {
92 outputCharacters = CN_ZERO + CN_DOLLAR;
93 }
94if (decimal == "") {
95 outputCharacters += CN_INTEGER;
96 }
97 outputCharacters = "" + outputCharacters + "";
98 }
99 }
100return outputCharacters;
101 }。