js數字金額大寫轉換
阿新 • • 發佈:2019-01-07
<script> /** 數字金額大寫轉換(可以處理整數,小數,負數) */ var digitUppercase = function(n) { var fraction = ['角', '分']; var digit = [ '零', '壹', '貳', '叄', '肆', '伍', '陸', '柒', '捌', '玖' ]; var unit = [ ['元', '萬', '億'], ['', '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.log(digitUppercase(12.3)); </script>
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