public static string ToUpper(decimal d)
{
if (d == 0)
{
return("零元整");
}
string je = d.ToString("####.00");
if (je.Length > 15)
{
return("");
}
je = new String('0', 15 - je.Length) + je; //若小于15位长，前面补0
string stry = je.Substring(0, 4); //取得'亿'单元
string strw = je.Substring(4, 4); //取得'万'单元
string strg = je.Substring(8, 4); //取得'元'单元
string strf = je.Substring(13, 2); //取得小数部分
string str1 = "", str2 = "", str3 = "";
str1 = DecimalHelper.getupper(stry, "亿"); //亿单元的大写
str2 = DecimalHelper.getupper(strw, "万"); //万单元的大写
str3 = DecimalHelper.getupper(strg, "元"); //元单元的大写
string str_y = "", str_w = "";
if (je[3] == '0' || je[4] == '0') //亿和万之间是否有0
{
str_y = "零";
}
if (je[7] == '0' || je[8] == '0') //万和元之间是否有0
{
str_w = "零";
}
string ret = str1 + str_y + str2 + str_w + str3; //亿，万，元的三个大写合并
for (int i = 0; i < ret.Length; i++) //去掉前面的"零"
{
if (ret[i] != '零')
{
ret = ret.Substring(i);
break;
}
}
for (int i = ret.Length - 1; i > -1; i--) //去掉最后的"零"
{
if (ret[i] != '零')
{
ret = ret.Substring(0, i + 1);
break;
}
}
if (ret[ret.Length - 1] != '元') //若最后不位不是'元'，则加一个'元'字
{
ret = ret + "元";
}
if (ret == "零零元") //若为零元，则去掉"元数"，结果只要小数部分
{
ret = "";
}
if (strf == "00") //下面是小数部分的转换
{
ret = ret + "整";
}
else
{
string tmp = "";
tmp = DecimalHelper.getint(strf[0]);
if (tmp == "零")
{
ret = ret + tmp;
}
else
{
ret = ret + tmp + "角";
}
tmp = DecimalHelper.getint(strf[1]);
if (tmp == "零")
{
ret = ret + "整";
}
else
{
ret = ret + tmp + "分";
}
}
if (ret[0] == '零')
{
ret = ret.Substring(1); //防止0.03转为"零叁分"，而直接转为"叁分"
}
return(ret); //完成，返回
}
/// <summary>
/// 把一个单元转为大写，如亿单元，万单元，个单元
/// </summary>
/// <param name="str">这个单元的小写数字（4位长，若不足，则前面补零）</param>
/// <param name="strDW">亿，万，元</param>
/// <returns>转换结果</returns>
private static string getupper(string str, string strDW)
{
if (str == "0000")
{
return("");
}
string ret = "";
string tmp1 = DecimalHelper.getint(str[0]);
string tmp2 = DecimalHelper.getint(str[1]);
string tmp3 = DecimalHelper.getint(str[2]);
string tmp4 = DecimalHelper.getint(str[3]);
if (tmp1 != "零")
{
ret = ret + tmp1 + "仟";
}
else
{
ret = ret + tmp1;
}
if (tmp2 != "零")
{
ret = ret + tmp2 + "佰";
}
else
{
if (tmp1 != "零") //保证若有两个零'00'，结果只有一个零，下同
{
ret = ret + tmp2;
}
}
if (tmp3 != "零")
{
ret = ret + tmp3 + "拾";
}
else
{
if (tmp2 != "零")
{
ret = ret + tmp3;
}
}
if (tmp4 != "零")
{
ret = ret + tmp4;
}
if (ret[0] == '零') //若第一个字符是'零'，则去掉
{
ret = ret.Substring(1);
}
if (ret[ret.Length - 1] == '零') //若最后一个字符是'零'，则去掉
{
ret = ret.Substring(0, ret.Length - 1);
}
return(ret + strDW); //加上本单元的单位
}