JavaScript實現把數字轉換成中文_javascript技巧

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 $this = this               var ary = this.strrev();               var zero = ""               var newary = ""               var i4 = -1               for (var i = 0; i < ary.length; i++) {                   if (i % 4 == 0) { //首先判斷萬級單位，每隔四個字元就讓萬級單位元組索引號遞增                       i4++;                       newary = this.ary2[i4] + newary; //將萬級單位存入該字元的讀法中去，它肯定是放在當前字元讀法的末尾，所以首先將它疊加入$r中，                       zero = ""; //在萬級單位位置的“0”肯定是不用的讀的，所以設定零的讀法為空白                    }                   //關於0的處理與判斷。                   if (ary[i] == '0') { //如果讀出的字元是“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定好了，所以這裡直接跳過                           case 1:                           case 2:                           case 3:                               if (ary[i - 1] != '0') {                                   zero = "零"                               }                               ; //如果不被4整除，那麼都執行這段判斷代碼：如果它的下一位元字（針對當前字串來說是上一個字元，因為之前執行了反轉）也是0，那麼跳過，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; //就將該當字元轉換成數值型,並作為數組ary0的索引號,以得到與之對應的中文讀法，其後再跟上它的的一級單位（空、十、百還是千）最後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;           }       }        //建立class類       function change() {           this.init.apply(this, arguments);       }       change.prototype = _change //建立執行個體       var k = new change("00102040");       alert(k.pri_ary())