rmb.js
资源名称:minierp.rar [点击查看]
上传用户:yantgcom
上传日期:2013-07-19
资源大小:478k
文件大小:3k
源码类别:
MySQL数据库
开发平台:
PHP
- function convertCurrency(currencyDigits) {
- // Constants:
- var MAXIMUM_NUMBER = 99999999999.99;
- // Predefine the radix characters and currency symbols for output:
- var CN_ZERO = "零";
- var CN_ONE = "壹";
- var CN_TWO = "贰";
- var CN_THREE = "叁";
- var CN_FOUR = "肆";
- var CN_FIVE = "伍";
- var CN_SIX = "陆";
- var CN_SEVEN = "柒";
- var CN_EIGHT = "捌";
- var CN_NINE = "玖";
- var CN_TEN = "拾";
- var CN_HUNDRED = "佰";
- var CN_THOUSAND = "仟";
- var CN_TEN_THOUSAND = "万";
- var CN_HUNDRED_MILLION = "亿";
- var CN_SYMBOL = "人民币";
- var CN_DOLLAR = "元";
- var CN_TEN_CENT = "角";
- var CN_CENT = "分";
- var CN_INTEGER = "整";
- // Variables:
- var integral; // Represent integral part of digit number.
- var decimal; // Represent decimal part of digit number.
- var outputCharacters; // The output result.
- var parts;
- var digits, radices, bigRadices, decimals;
- var zeroCount;
- var i, p, d;
- var quotient, modulus;
- // Validate input string:
- currencyDigits = currencyDigits.toString();
- if (currencyDigits == "") {
- alert("Empty input!");
- return "";
- }
- if (currencyDigits.match(/[^,.d]/) != null) {
- alert("Invalid characters in the input string!");
- return "";
- }
- if ((currencyDigits).match(/^((d{1,3}(,d{3})*(.((d{3},)*d{1,3}))?)|(d+(.d+)?))$/) == null) {
- alert("Illegal format of digit number!");
- return "";
- }
- // Normalize the format of input digits:
- currencyDigits = currencyDigits.replace(/,/g, ""); // Remove comma delimiters.
- currencyDigits = currencyDigits.replace(/^0+/, ""); // Trim zeros at the beginning.
- // Assert the number is not greater than the maximum number.
- if (Number(currencyDigits) > MAXIMUM_NUMBER) {
- alert("Too large a number to convert!");
- return "";
- }
- // Process the coversion from currency digits to characters:
- // Separate integral and decimal parts before processing coversion:
- parts = currencyDigits.split(".");
- if (parts.length > 1) {
- integral = parts[0];
- decimal = parts[1];
- // Cut down redundant decimal digits that are after the second.
- decimal = decimal.substr(0, 2);
- }
- else {
- integral = parts[0];
- decimal = "";
- }
- // Prepare the characters corresponding to the digits:
- digits = new Array(CN_ZERO, CN_ONE, CN_TWO, CN_THREE, CN_FOUR, CN_FIVE, CN_SIX, CN_SEVEN, CN_EIGHT, CN_NINE);
- radices = new Array("", CN_TEN, CN_HUNDRED, CN_THOUSAND);
- bigRadices = new Array("", CN_TEN_THOUSAND, CN_HUNDRED_MILLION);
- decimals = new Array(CN_TEN_CENT, CN_CENT);
- // Start processing:
- outputCharacters = "";
- // Process integral part if it is larger than 0:
- if (Number(integral) > 0) {
- zeroCount = 0;
- for (i = 0; i < integral.length; i++) {
- p = integral.length - i - 1;
- d = integral.substr(i, 1);
- quotient = p / 4;
- modulus = p % 4;
- if (d == "0") {
- zeroCount++;
- }
- else {
- if (zeroCount > 0){
- outputCharacters += digits[0];
- }
- zeroCount = 0;
- outputCharacters += digits[Number(d)] + radices[modulus];
- }
- if (modulus == 0 && zeroCount < 4) {
- outputCharacters += bigRadices[quotient];
- }
- }
- outputCharacters += CN_DOLLAR;
- }
- // Process decimal part if there is:
- if (decimal != "") {
- for (i = 0; i < decimal.length; i++) {
- d = decimal.substr(i, 1);
- if (d != "0") {
- outputCharacters += digits[Number(d)] + decimals[i];
- }
- }
- }
- // Confirm and return the final output string:
- if (outputCharacters == "") {
- outputCharacters = CN_ZERO + CN_DOLLAR;
- }
- if (decimal == "") {
- outputCharacters += CN_INTEGER;
- }
- outputCharacters = CN_SYMBOL + outputCharacters;
- return outputCharacters;
- }