JS 阿拉伯数字转换为简写汉字

//阿拉伯数字转换为简写汉字
        function Arabia_To_SimplifiedChinese(Num) {
            for (i = Num.length - 1; i >= 0; i--) {
                Num = Num.replace(",", "")//替换Num中的“,”
                Num = Num.replace(" ", "")//替换Num中的空格
            }
            if (isNaN(Num)) { //验证输入的字符是否为数字
                //alert("请检查小写金额是否正确");
                return;
            }
            //字符处理完毕后开始转换，采用前后两部分分别转换
            part = String(Num).split(".");
            newchar = "";
            //小数点前进行转化
            for (i = part[0].length - 1; i >= 0; i--) {
                if (part[0].length > 10) {
                    //alert("位数过大，无法计算");
                    return "";
                }//若数量超过拾亿单位，提示
                tmpnewchar = ""
                perchar = part[0].charAt(i);
                switch (perchar) {
                    case "0": tmpnewchar = "零" + tmpnewchar; break;
                    case "1": tmpnewchar = "壹" + tmpnewchar; break;
                    case "2": tmpnewchar = "贰" + tmpnewchar; break;
                    case "3": tmpnewchar = "叁" + tmpnewchar; break;
                    case "4": tmpnewchar = "肆" + tmpnewchar; break;
                    case "5": tmpnewchar = "伍" + tmpnewchar; break;
                    case "6": tmpnewchar = "陆" + tmpnewchar; break;
                    case "7": tmpnewchar = "柒" + tmpnewchar; break;
                    case "8": tmpnewchar = "捌" + tmpnewchar; break;
                    case "9": tmpnewchar = "玖" + tmpnewchar; break;
                }
                switch (part[0].length - i - 1) {
                    case 0: tmpnewchar = tmpnewchar; break;
                    case 1: if (perchar != 0) tmpnewchar = tmpnewchar + "十"; break;
                    case 2: if (perchar != 0) tmpnewchar = tmpnewchar + "百"; break;
                    case 3: if (perchar != 0) tmpnewchar = tmpnewchar + "千"; break;
                    case 4: tmpnewchar = tmpnewchar + "万"; break;
                    case 5: if (perchar != 0) tmpnewchar = tmpnewchar + "十"; break;
                    case 6: if (perchar != 0) tmpnewchar = tmpnewchar + "百"; break;
                    case 7: if (perchar != 0) tmpnewchar = tmpnewchar + "千"; break;
                    case 8: tmpnewchar = tmpnewchar + "亿"; break;
                    case 9: tmpnewchar = tmpnewchar + "十"; break;
                }
                newchar = tmpnewchar + newchar;
            }
            //替换所有无用汉字，直到没有此类无用的数字为止
            while (newchar.search("零零") != -1 || newchar.search("零亿") != -1 || newchar.search("亿万") != -1 || newchar.search("零万") != -1) {
                newchar = newchar.replace("零亿", "亿");
                newchar = newchar.replace("亿万", "亿");
                newchar = newchar.replace("零万", "万");
                newchar = newchar.replace("零零", "零");
            }
            //替换以“一十”开头的，为“十”
            if (newchar.indexOf("一十") == 0) {
                newchar = newchar.substr(1);
            }
            //替换以“零”结尾的，为“”
            if (newchar.lastIndexOf("零") == newchar.length - 1) {
                newchar = newchar.substr(0, newchar.length - 1);
            }
            return newchar;
        }