var digitUppercase = function(n) {
var fraction = ['角','元'];
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');
}
console.info(digitUppercase(75864.25));
console.info(digitUppercase(30000));
console.info(digitUppercase(75864.25));
console.info(digitUppercase(951434677682.00));
Convert numbers to uppercase amounts with JavaScript
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