js 金额转为大写

 

效果测试：http://webos.1x.net/t0002.html

               http://www.ostools.net/jsbin#javascript,html,live

function upDigit(n) {
        var fraction = ['角', '分'];
        var digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'];
        var unit = [['元', '万', '亿'], ['', '拾', '佰', '仟']];
        var head = n < 0 ? '欠' : '';
        n = Math.abs(n);
        var s = '';
        for (var i = 0; i < fraction.length; i++) {
            s += (digit[Math.floor(n * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '');
        }
        s = s || '整';
        n = Math.floor(n);
        for (var i = 0; i < unit[0].length && n > 0; i++) {
            var p = '';
            for (var j = 0; j < unit[1].length && n > 0; j++) {
                p = digit[n % 10] + unit[1][j] + p;
                n = Math.floor(n / 10);
            }
            s = p.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + s;
        }
        return head + s.replace(/(零.)*零元/, '元').replace(/(零.)+/g, '零').replace(/^整$/, '零元整');
    }

 

 

转载自：http://www.oschina.net/code/snippet_221374_10654