js阿拉伯數字轉中文大寫 方法重多

方法一 


 

 function DX(n) {
        if (!/^(0|[1-9]\d*)(\.\d+)?$/.test(n))
            return "數據非法";
        var unit = "千百拾億千百拾萬千百拾元角分", str = "";
            n += "00";
        var p = n.indexOf('.');
        if (p >= 0)
            n = n.substring(0, p) + n.substr(p+1, 2);
            unit = unit.substr(unit.length - n.length);
        for (var i=0; i < n.length; i++)
            str += '零壹貳叄肆伍陸柒捌玖'.charAt(n.charAt(i)) + unit.charAt(i);
        return str.replace(/零(千|百|拾|角)/g, "零").replace(/(零)+/g, "零").replace(/零(萬|億|元)/g, "$1").replace(/(億)萬|壹(拾)/g, "$1$2").replace(/^元零?|零分/g, "").replace(/元$/g, "元整");
}

 

 方法2

<script type="text/javascript">

 var _change = {
            ary0: ["零", "一", "二", "三", "四", "五", "六", "七", "八", "九"],
            ary1: ["", "十", "百", "千"],
            ary2: ["", "萬", "億", "兆"],
            init: function (name) {
                this.name = name;
            },
            strrev: function () {
                var ary = []
                for (var i = this.name.length; i >= 0; i--) {
                    ary.push(this.name[i])
                }
                return ary.join("");
            }, //倒轉字符串。
            pri_ary: function () {
                var $this = this
                var ary = this.strrev();
                var zero = ""
                var newary = ""
                var i4 = -1
                for (var i = 0; i < ary.length; i++) {
                    if (i % 4 == 0) { //首先判斷萬級單位，每隔四個字符就讓萬級單位數組索引號遞增
                        i4++;
                        newary = this.ary2[i4] + newary; //將萬級單位存入該字符的讀法中去，它肯定是放在當前字符讀法的末尾，所以首先將它疊加入$r中，
                        zero = ""; //在萬級單位位置的“0”肯定是不用的讀的，所以設置零的讀法為空

                    }
                    //關於0的處理與判斷。
                    if (ary[i] == '0') { //如果讀出的字符是“0”，執行如下判斷這個“0”是否讀作“零”
                        switch (i % 4) {
                            case 0:
                                break;
                                //如果位置索引能被4整除，表示它所處位置是萬級單位位置，這個位置的0的讀法在前面就已經設置好了，所以這里直接跳過
                            case 1:
                            case 2:
                            case 3:
                                if (ary[i - 1] != '0') {
                                    zero = "零"
                                }
                                ; //如果不被4整除，那么都執行這段判斷代碼：如果它的下一位數字（針對當前字符串來說是上一個字符，因為之前執行了反轉）也是0，那么跳過，否則讀作“零”
                                break;

                        }

                        newary = zero + newary;
                        zero = '';
                    }
                    else { //如果不是“0”
                        newary = this.ary0[parseInt(ary[i])] + this.ary1[i % 4] + newary; //就將該當字符轉換成數值型,並作為數組ary0的索引號,以得到與之對應的中文讀法，其后再跟上它的的一級單位（空、十、百還是千）最后再加上前面已存入的讀法內容。
                    }

                }
                if (newary.indexOf("零") == 0) {
                    newary = newary.substr(1)
                }//處理前面的0
                return newary;
            }
        }

        //創建class類
        function change() {
            this.init.apply(this, arguments);
        }
        change.prototype = _change

 

具體轉換使用

 var k = new change((i+1).toString());