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 == ) {

                chineseStr = cnNums[] + cnIntLast + cnInteger;

                return chineseStr;

            }

            //转换为字符串

            money = money.toString();

            if (money.indexOf('.') == -) {

                integerNum = money;

                decimalNum = '';

            } else {

                parts = money.split('.');

                integerNum = parts[];

                decimalNum = parts[].substr(, );

            }

            //获取整型部分转换

            if (parseInt(integerNum, ) > ) {

                var zeroCount = ;

                var IntLen = integerNum.length;

                for (var i = ; i < IntLen; i++) {

                    var n = integerNum.substr(i, );

                    var p = IntLen - i - ;

                    var q = p / ;

                    var m = p % ;

                    if (n == '') {

                        zeroCount++;

                    } else {

                        if (zeroCount > ) {

                            chineseStr += cnNums[];

                        }

                        //归零

                        zeroCount = ;

                        chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];

                    }

                    if (m ==  && zeroCount < ) {

                        chineseStr += cnIntUnits[q];

                    }

                }

                chineseStr += cnIntLast;

            }

            //小数部分

            if (decimalNum != '') {

                var decLen = decimalNum.length;

                for (var i = ; i < decLen; i++) {

                    var n = decimalNum.substr(i, );

                    if (n != '') {

                        chineseStr += cnNums[Number(n)] + cnDecUnits[i];

                    }

                }

            }

            if (chineseStr == '') {

                chineseStr += cnNums[] + 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 = ;

            int temp;

            num = Math.Round(Math.Abs(num), );

            string str4 = ((long)(num * )).ToString();

            int j = str4.Length;

            if (j > )

            {

                return "溢出";

            }

            str2 = str2.Substring( - j);

            for (i = ; i < j; i++)

            {

                str3 = str4.Substring(i, );

                temp = Convert.ToInt32(str3);

                if (i != (j - ) && i != (j - ) && i != (j - ) && i != (j - ))

                {

                    if (str3 == "")

                    {

                        ch1 = "";

                        ch2 = "";

                        nzero = nzero + ;

                    }

                    else

                    {

                        if (str3 != "" && nzero != )

                        {

                            ch1 = "零" + str1.Substring(temp * , );

                            ch2 = str2.Substring(i, );

                            nzero = ;

                        }

                        else

                        {

                            ch1 = str1.Substring(temp * , );

                            ch2 = str2.Substring(i, );

                            nzero = ;

                        }

                    }

                }

                else

                {

                    if (str3 != "" && nzero != )

                    {

                        ch1 = "零" + str1.Substring(temp * , );

                        ch2 = str2.Substring(i, );

                        nzero = ;

                    }

                    else

                    {

                        if (str3 != "" && nzero == )

                        {

                            ch1 = str1.Substring(temp * , );

                            ch2 = str2.Substring(i, );

                            nzero = ;

                        }

                        else

                        {

                            if (str3 == "" && nzero >= )

                            {

                                ch1 = "";

                                ch2 = "";

                                nzero = nzero + ;

                            }

                            else

                            {

                                if (j >= )

                                {

                                    ch1 = "";

                                    nzero = nzero + ;

                                }

                                else

                                {

                                    ch1 = "";

                                    ch2 = str2.Substring(i, );

                                    nzero = nzero + ;

                                }

                            }

                        }

                    }

                }

                if (i == (j - ) || i == (j - ))

                {

                    ch2 = str2.Substring(i, );

                }

                str5 = str5 + ch1 + ch2;

                if (i == j -  && str3 == "")

                {

                    str5 = str5 + '整';

                }

            }

            if (num == )

            {

                str5 = "零元整";

            }

            return str5;

        }

        #endregion