<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <title></title> <meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR"> <meta content="VisualStudio.HTML" name="ProgId"> <meta content="Microsoft Visual Studio .NET 7.1" name="Originator"> <script language="jscript"> /***************************************** Copyright (c) 2004, Laser Lu http://www.idow.net *****************************************/ 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]; zeroCount =0; } } 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; } </script> </head> <body> <INPUT id="Digits" type="text" name="Digits" size=20> <INPUT id="Convert" type="button" value="Convert" name="Convert" onclick="Result.value = convertCurrency(Digits.value);"> <INPUT id="Result" type="text" name="Result" size=60> </body> </html>