求一个js 金额转人民币大写的方法

剑锋冷月 2011-11-22 11:37:38

代码简易，不累赘
网上找了一个，测试都有问题。有漏洞

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峭沙 2011-11-23

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

	<title>test</title>

</head>

<body>

	<input id="input" type="text" value="" />

	<div>

		<span>金额：</span>

		<span id="output"></span>

	</div>

	<script>

		function toRMB(amount){

			if(amount.length > 16){

				return '面额太大';

			}

			var numChineses = ['零','壹','贰','叁','肆','伍','陆','柒','捌','玖'];

				units = ['','十','百','千'],

				steps = ['圆','万','亿'],

				str = ' 整';

			var arr = amount.split('').reverse();

			for(var i in arr){

				if(i%4 !== 0){

					str = numChineses[parseInt(arr[i])] + units[i%4] + str;

				}else{

					var stepIndex = Math.floor(i/4);

					stepIndex = stepIndex > 2 ? (stepIndex - 2) : stepIndex;

					str = numChineses[parseInt(arr[i])] + steps[stepIndex] + str;

				}

			}

			return str;

		}

		

		var ouput = document.getElementById('output');

		document.getElementById('input').onchange = function(){

			var val = this.value.replace(/^0+|\D+/g, '');

			this.value = val;

			ouput.innerHTML = toRMB(val);

		}

	</script>

</body>

</html>

峭沙 2011-11-23

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

	<title>test</title>

</head>

<body>

	<input id="input" type="text" value="" />

	<span id="output"></span>

	<script>

		var numChineses = ['零','壹','贰','叁','肆','伍','陆','柒','捌','玖'];

			units = ['','十','百','千'],

			steps = ['','万','亿'];

		document.getElementById('input').onchange = function(){

			var val = this.value.replace(/\D+/g, '');

			this.value = val;

			var arr = val.split('').reverse();

			var str = '元';

			if(arr.length > 16){

				alert('面额太大');

				return;

			}

			for(var i in arr){

				if(i%4 !== 0){

					str = numChineses[parseInt(arr[i])] + units[i%4] + str;

				}else{

					var stepIndex = Math.floor(i/4);

					stepIndex = stepIndex > 2 ? (stepIndex - 2) : stepIndex;

					str = numChineses[parseInt(arr[i])] + steps[stepIndex] + str;

				}

			}

			document.getElementById('output').innerHTML = str;

		}

	</script>

</body>

</html>

剑锋冷月 2011-11-23

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[Quote=引用 2 楼 hch126163 的回复:]

JScript code

<script>
// function regInput(e,reg)
//{
//e=e||event;
//var srcElem = e.srcElement||e.target;
//var oSel = document.selection.createRange();
//oSel = oSel.duplicate()
//oSel.text……
[/Quote]
这个我也搜到了，呵呵还是谢谢

剑锋冷月 2011-11-23

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[Quote=引用 1 楼 ifandui 的回复:]

JScript code
jQuery.extend({
toRMB: function(num) {
var stmp = "";
if (num === stmp)
return;
if (isNaN(num)) {
alert("不是数字……
[/Quote]

不错。

hch126163 2011-11-23

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   <script>

//   function regInput(e,reg)

//{

//e=e||event;

//var srcElem = e.srcElement||e.target;

//var oSel = document.selection.createRange();

//oSel = oSel.duplicate()

//oSel.text = ""

//var srcRange = srcElem.createTextRange()

//oSel.setEndPoint("StartToStart", srcRange)

//var num = oSel.text + String.fromCharCode(event.keyCode) + srcRange.text.substr(oSel.text.length);

//event.returnvalue = reg.test(num);

//}

function chineseNumber(num)

{

if (isNaN(num) || num > Math.pow(10, 12)) 

return "";

var cn = "零壹贰叁肆伍陆柒捌玖"

var unit = new Array("拾佰仟", "分角")

var unit1= new Array("万亿", "")

var numArray = num.toString().split(".")

var start = new Array(numArray[0].length-1, 2)



function toChinese(num, index)

{

var num = num.replace(/\d/g, function ($1)

{

return cn.charAt($1)+unit[index].charAt(start--%4 ? start%4 : -1)

})

return num

}



for (var i=0; i<numArray.length; i++)

{

var tmp = ""

for (var j=0; j*4<numArray[i].length; j++)

{

var strIndex = numArray[i].length-(j+1)*4

var str = numArray[i].substring(strIndex, strIndex+4)

var start = i ? 2 : str.length-1

var tmp1 = toChinese(str, i)

tmp1 = tmp1.replace(/(零.)+/g, "零").replace(/零+$/, "")

tmp1 = tmp1.replace(/^壹拾/, "拾")

tmp = (tmp1+unit1[i].charAt(j-1)) + tmp

}

numArray[i] = tmp 

}



numArray[1] = numArray[1] ? numArray[1] : ""

numArray[0] = numArray[0] ? numArray[0]+"圆" : numArray[0], numArray[1] = numArray[1].replace(/^零+/, "")

numArray[1] = numArray[1].match(/分/) ? numArray[1] : numArray[1]+"整"

return numArray[0]+numArray[1]

}



function aNumber(num)

{

var numArray = new Array()

var unit = "亿万圆$"

for (var i=0; i<unit.length; i++)

{

var re = eval("/"+ (numArray[i-1] ? unit.charAt(i-1) : "") +"(.*)"+unit.charAt(i)+"/")

if (num.match(re))

{

numArray[i] = num.match(re)[1].replace(/^拾/, "壹拾")

numArray[i] = numArray[i].replace(/[零壹贰叁肆伍陆柒捌玖]/g, function ($1)

{

return "零壹贰叁肆伍陆柒捌玖".indexOf($1)

})

numArray[i] = numArray[i].replace(/[分角拾佰仟]/g, function ($1)

{

return "*"+Math.pow(10, "分角 拾佰仟 ".indexOf($1)-2)+"+"

}).replace(/^\*|\+$/g, "").replace(/整/, "0")

numArray[i] = "(" + numArray[i] + ")*"+Math.ceil(Math.pow(10, (2-i)*4))

}

else numArray[i] = 0

}

return eval(numArray.join("+"))

}

</script>

<!--onkeypress="regInput(event,/^\d{0,12} (\. \d{0,2})?$/)"-->

<input id=up size=60 ><button onclick="lw.value = chineseNumber(up.value)">转为大写</button><br>

<input id=lw size=60 value="壹仟壹佰壹拾壹圆整"><button onclick="up.value = aNumber(lw.value)">转为小写</button>

默默不得鱼 2011-11-22

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jQuery.extend({

		toRMB: function(num) {

			var stmp = "";

			if (num === stmp)

				return;

			if (isNaN(num)) {

				alert("不是数字");

			} else {

				var ms = num.replace(/[^\\d\\.]/g, "").replace(/(\\.\\d{2}).+$/, "$1").replace(/^0+([1-9])/, "$1").replace(/^0+$/, "0");

				var ms = num;

				var txt = ms.split(".");

				while (/\\d{4}(,|$)/.test(txt[0]))

					txt[0] = txt[0].replace(/(\\d)(\\d{3}(,|$))/, "$1,$2");

				stmp = txt[0] + (txt.length > 1 ? "." + txt[1] : "");

				return number2num1(ms - 0);

			}

			function number2num1(strg) {

				var number = Math.round(strg * 100) / 100;

				number = number.toString(10).split(".");

				var a = number[0];

				if (a.length > 12) {

					return "数值超出范围！支持的最大数值为 999999999999.99";

				} else {

					var e = "零壹贰叁肆伍陆柒捌玖";

					var num1 = "";

					var len = a.length - 1;

					for (var i = 0; i <= len; i++)

						num1 += e.charAt(parseInt(a.charAt(i))) + [["圆", "万", "亿"][Math.floor((len - i) / 4)], "拾", "佰", "仟"][(len - i) % 4];

					if (number.length == 2 && number[1] != "") {

						var a = number[1];

						for (var i = 0; i < a.length; i++)

							num1 += e.charAt(parseInt(a.charAt(i))) + ["角", "分"][i];

					}

					num1 = num1.replace(/零佰|零拾|零仟|零角/g, "零");

					num1 = num1.replace(/零{2,}/g, "零");

					num1 = num1.replace(/零(?=圆|万|亿)/g, "");

					num1 = num1.replace(/亿万/, "亿");

					num1 = num1.replace(/^圆零?/, "");



					if (num1 != "" && !/分$/.test(num1))

						num1 += "整";

					return num1;

				}

			}



		}

});

你可以适当调整一下