小写金额转为大写

我测试，没发现问题。如果谁发现了问题请联系我啊。daiyanchun@hotmail.com   

//金额小写转换为大写  调用参数:jesj...人民币小写金额 返回变量: name..人民币大写金额
    public static string Fun_Jezh(double Jesj)
    {
        double JesjTemp;
        string[] str1 = {"壹","贰","叁","肆","伍","陆","柒","捌","玖"};
        string[] str2 = { "分","角","元","拾","佰","仟","万","拾","佰","仟","亿","拾","佰","仟"};
       
        System.Text.StringBuilder sb = new System.Text.StringBuilder("");
        if (Math.Abs(Jesj) <= 0.001)
        {
            sb.Append("");
            return sb.ToString();
        }
        if (Jesj < 0.00)
        {
            sb.Append("负");
        }
        JesjTemp = Math.Abs(Jesj);
        string sZhengSu =  Math.Floor(JesjTemp).ToString(); // 整数部分
        string sXiaoSu = JesjTemp.ToString("F2").Substring(JesjTemp.ToString("F2").IndexOf(".") + 1, 2); // 小数部分

        string strTemp = "";
        // 处理整数部分
        if (sZhengSu.Substring(0, 1) != "0")
        {
            for (int i = 0; i < sZhengSu.ToString().Length; i++)
            {
                if (i > 0)
                {
                    if (Convert.ToInt64(sZhengSu.Substring(i, 1)) == 0) // 只有本位为零时才判断上一位是否为零
                    {
                        strTemp = sZhengSu.Substring(i - 1, 1); // 取出上一位

                        if (strTemp == "0") // 上一位为零,若是万位,则应该加"万"字,且前面的零字应去掉,否则不做处理
                        {
                            if (sZhengSu.Length - i + 1 == 5)
                            {
                                sb.Remove(sb.Length - 1, 1);
                                sb.Append("万零");
                            }
                            if (sZhengSu.Length - i + 1 == 9)
                            {
                                sb.Remove(sb.Length - 1, 1);
                                sb.Append("亿零");
                            }
                        }
                        else
                        {
                            sb.Append("零");
                        }
                    }
                    else
                    {
                        sb.Append(str1[Convert.ToInt64(sZhengSu.Substring(i, 1)) - 1] + str2[sZhengSu.Length - i + 1]);
                    }
                }
                else
                {
                    sb.Append(str1[Convert.ToInt64(sZhengSu.Substring(i, 1)) - 1] + str2[sZhengSu.Length - i + 1]);
                }
            }

            // 若整数最后一位为0,则需把零字去掉.
            if (Convert.ToInt64(sZhengSu.Substring(sZhengSu.Length - 1, 1)) == 0)
            {
                sb.Remove(sb.Length - 1, 1);
            }
            // 若最后一位不是元,则加元字
            if (sb.ToString().Substring(sb.ToString().Length - 1, 1) != "元")
            {
                sb.Append("元");
            }
        }
        // "拾"替换"壹拾"
        if (sb.ToString().IndexOf("壹拾") == 0) //"壹拾"在开头,则替换
        {
            strTemp = sb.Remove(0, 2).ToString();
            sb = new System.Text.StringBuilder("");
            sb.Append("拾" + strTemp);
           
        }
        // "亿"替换"亿万"
        sb.Replace("亿万", "亿");
        //处理小数部分
        if (sXiaoSu.Substring(0,1) == "0" && sXiaoSu.Substring(1,1) == "0")
        {
            if (Convert.ToInt64(sZhengSu) != 0)
            {
                sb.Append("整");
                return sb.ToString();
            }
        }
        if (sXiaoSu.Substring(0, 1) == "0" && sXiaoSu.Substring(1, 1) != "0")
        {
            if (Convert.ToInt64(sZhengSu) != 0)
            {
                sb.Append("零" + str1[Convert.ToInt64(sXiaoSu.Substring(1, 1)) - 1] + "分");
                return sb.ToString();
            }
        }
        if (sXiaoSu.Substring(0, 1) != "0" && sXiaoSu.Substring(1, 1) == "0")
        {
            sb.Append(str1[Convert.ToInt64(sXiaoSu.Substring(0, 1)) - 1] + "角");
            return sb.ToString();
        }
        if (sXiaoSu.Substring(0, 1) != "0" && sXiaoSu.Substring(1, 1) != "0")
        {
            sb.Append(str1[Convert.ToInt64(sXiaoSu.Substring(0, 1)) - 1] + "角" + str1[Convert.ToInt32(sXiaoSu.Substring(1, 1)) -1] + "分");
            return sb.ToString();
        }
        return sb.ToString();
    }