js金額の数値フォーマットを実現するコード(コンマを減らす処理)

5027 ワード

例1は、数字111111を11,111,111.00にして、2桁の小数を保持する。

<html>
<head>
<script type="text/javascript">
function outputmoney(number) {
number = number.replace(/\,/g, "");
if(isNaN(number) || number == "")return "";
number = Math.round(number * 100) / 100;
    if (number < 0)
        return '-' + outputdollars(Math.floor(Math.abs(number) - 0) + '') + outputcents(Math.abs(number) - 0);
    else
        return outputdollars(Math.floor(number - 0) + '') + outputcents(number - 0);
}
//
function outputdollars(number) {
    if (number.length <= 3)
        return (number == '' ? '0' : number);
    else {
        var mod = number.length % 3;
        var output = (mod == 0 ? '' : (number.substring(0, mod)));
        for (i = 0; i < Math.floor(number.length / 3); i++) {
            if ((mod == 0) && (i == 0))
                output += number.substring(mod + 3 * i, mod + 3 * i + 3);
            else
                output += ',' + number.substring(mod + 3 * i, mod + 3 * i + 3);
        }
        return (output);
    }
}
function outputcents(amount) {
    amount = Math.round(((amount) - Math.floor(amount)) * 100);
    return (amount < 10 ? '.0' + amount : '.' + amount);
}
</script>
</head>
<body>
<input type=text   maxlength="8" id="test" onblur="this.value=outputmoney(this.value);" >
</body>
</html>
オンライン運転:function outputmoney(number){number=number.replace(/\,g,");if(isNaN(number)“”;number=Math.round(number*100)/100;if(number<0)return'-'+outputdollars(Math.flor(Math.abs-0)+outputcents(Math.abs)-0);else return outputdollars(Math.flor(number-0)+outputcents(number-0)///////。フォーマット金額function outputdollars(number){if(number.length==3)return(number==''?'0':number);else{var mod=number.length%3;var output=(mod==0?'):(number.substring(0,mod));for(i=0;i<Math.flor(number.length/3)i+){if((mod==0)&&i==0))output+=number.substring(mod+3*i,mod+3*i+3)else output+='、'+number.substring(mod+3*i,mod+3*i+3)}。return(output)}。function outputcents(amount){amount=Math.round(((amount)-Math.flor(amount)*100);return(amount<10?>0'+amount:''+amount);例2において、数字111111を11,111,111---にし、11,111,111を111111---整数にする。 

<!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>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<title>js ---www.jb51.net</title>
<script language="javascript">
function tran(id)
{
  var v, j, sj, rv = "";
  v = id.value.replace(/,/g,"").split(".");
  j = v[0].length % 3;
  sj = v[0].substr(j).toString();
  for (var i = 0; i < sj.length; i++)
  {
    rv = (i % 3 == 0) ? rv + "," + sj.substr(i, 1): rv + sj.substr(i, 1);
  }
  var rvalue = (v[1] == undefined) ? v[0].substr(0, j) + rv: v[0].substr(0, j) + rv + "." + v[1];
  if (rvalue.charCodeAt(0) == 44)
  {
    rvalue = rvalue.substr(1);
  }
  id.value = rvalue;
}
function tran2(id)
{
  var v;
  v = id.value.replace(/,/g,"");
  alert(v);
}
</script>
<style type="text/css">
<!--
body,td,th,input {
 font-size: 12px;
}
-->
</style></head>
<body>
<input name="tt" type="text" id="tt" size="80" onkeyup="tran(this)" />
<br/>
<input name="tt" type="text" id="tt2" size="80" onkeyup="tran2(this)" />
</body>
</html>
テストを実行します。charset=gb 2312'/>jsフォーマット金額のコード---www.jb 51.netjavascript">function tran(id){var v,j,sj,rv=>v=id.value.replace(/,g,").split(.);j=v[0].length%3sj=v[0].substr(j).toString()for(var i=0i