function convertCurrency(money) {
            //汉字的数字
            var cnNums = new Array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
            //基本单位
            var cnIntRadice = new Array('', '拾', '佰', '仟');
            //对应整数部分扩展单位
            var cnIntUnits = new Array('', '万', '亿', '兆');
            //对应小数部分单位
            var cnDecUnits = new Array('角', '分', '毫', '厘');
            //整数金额时后面跟的字符
            var cnInteger = '整';
            //整型完以后的单位
            var cnIntLast = '元';
            //最大处理的数字
            var maxNum = 999999999999999.9999;
            //金额整数部分
            var integerNum;
            //金额小数部分
            var decimalNum;
            //输出的中文金额字符串
            var chineseStr = '';
            //分离金额后用的数组，预定义
            var parts;
            if (money == '') { return ''; }
            money = parseFloat(money);
            if (money >= maxNum) {
                //超出最大处理数字
                return '';
            }
            if (money == 0) {
                chineseStr = cnNums[0] + cnIntLast + cnInteger;
                return chineseStr;
            }
            //转换为字符串
            money = money.toString();
            if (money.indexOf('.') == -1) {
                integerNum = money;
                decimalNum = '';
            } else {
                parts = money.split('.');
                integerNum = parts[0];
                decimalNum = parts[1].substr(0, 4);
            }
            //获取整型部分转换
            if (parseInt(integerNum, 10) > 0) {
                var zeroCount = 0;
                var IntLen = integerNum.length;
                for (var i = 0; i < IntLen; i++) {
                    var n = integerNum.substr(i, 1);
                    var p = IntLen - i - 1;
                    var q = p / 4;
                    var m = p % 4;
                    if (n == '0') {
                        zeroCount++;
                    } else {
                        if (zeroCount > 0) {
                            chineseStr += cnNums[0];
                        }
                        //归零
                        zeroCount = 0;
                        chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
                    }
                    if (m == 0 && zeroCount < 4) {
                        chineseStr += cnIntUnits[q];
                    }
                }
                chineseStr += cnIntLast;
            }
            //小数部分
            if (decimalNum != '') {
                var decLen = decimalNum.length;
                for (var i = 0; i < decLen; i++) {
                    var n = decimalNum.substr(i, 1);
                    if (n != '0') {
                        chineseStr += cnNums[Number(n)] + cnDecUnits[i];
                    }
                }
            }
            if (chineseStr == '') {
                chineseStr += cnNums[0] + cnIntLast + cnInteger;
            } else if (decimalNum == '') {
                chineseStr += cnInteger;
            }
            return chineseStr;
        }

       #region 金额转大写

        public static string ChangeMoneyToString(double num)
        {
            const string str1 = "零壹贰叁肆伍陆柒捌玖";
            string str2 = "万仟佰拾亿仟佰拾万仟佰拾元角分";
            string str3;
            string str5 = "";
            int i;
            string ch1;
            string ch2 = "";
            int nzero = 0;
            int temp;

            num = Math.Round(Math.Abs(num), 2);
            string str4 = ((long)(num * 100)).ToString();
            int j = str4.Length;
            if (j > 15)
            {
                return "溢出";
            }
            str2 = str2.Substring(15 - j);

            for (i = 0; i < j; i++)
            {
                str3 = str4.Substring(i, 1);
                temp = Convert.ToInt32(str3);
                if (i != (j - 3) && i != (j - 7) && i != (j - 11) && i != (j - 15))
                {
                    if (str3 == "0")
                    {
                        ch1 = "";
                        ch2 = "";
                        nzero = nzero + 1;
                    }
                    else
                    {
                        if (str3 != "0" && nzero != 0)
                        {
                            ch1 = "零" + str1.Substring(temp * 1, 1);
                            ch2 = str2.Substring(i, 1);
                            nzero = 0;
                        }
                        else
                        {
                            ch1 = str1.Substring(temp * 1, 1);
                            ch2 = str2.Substring(i, 1);
                            nzero = 0;
                        }
                    }
                }
                else
                {
                    if (str3 != "0" && nzero != 0)
                    {
                        ch1 = "零" + str1.Substring(temp * 1, 1);
                        ch2 = str2.Substring(i, 1);
                        nzero = 0;
                    }
                    else
                    {
                        if (str3 != "0" && nzero == 0)
                        {
                            ch1 = str1.Substring(temp * 1, 1);
                            ch2 = str2.Substring(i, 1);
                            nzero = 0;
                        }
                        else
                        {
                            if (str3 == "0" && nzero >= 3)
                            {
                                ch1 = "";
                                ch2 = "";
                                nzero = nzero + 1;
                            }
                            else
                            {
                                if (j >= 11)
                                {
                                    ch1 = "";
                                    nzero = nzero + 1;
                                }
                                else
                                {
                                    ch1 = "";
                                    ch2 = str2.Substring(i, 1);
                                    nzero = nzero + 1;
                                }
                            }
                        }
                    }
                }
                if (i == (j - 11) || i == (j - 3))
                {
                    ch2 = str2.Substring(i, 1);
                }
                str5 = str5 + ch1 + ch2;

                if (i == j - 1 && str3 == "0")
                {
                    str5 = str5 + '整';
                }
            }
            if (num == 0)
            {
                str5 = "零元整";
            }
            return str5;
        }

        #endregion