js工具處理之數字轉大寫格式

直接上碼：

input輸入：

<input type="number" placeholder="請輸入標的額" ng-model='targetAmount' onKeyPress="if((event.keyCode<48 || event.keyCode>57) && event.keyCode!=46 || /\.\d\d$/.test(value))event.returnValue=false"/>

轉換方法

 function numToHanzi(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');
    }

代碼真實有效，請自測