public string
ConvertSum(string str)
{
if (!IsPositveDecimal(str))
return "沒有數(shù)據(jù)!";
if (Double.Parse(str) > 999999999999.99)
return "金額溢出";
char[] ch = new char[1];
ch[0] = '.'; //小數(shù)點
string[] splitstr = null; //定義按小數(shù)點分割后的字符串?dāng)?shù)組
splitstr = str.Split(ch[0]);//按小數(shù)點分割字符串
if (splitstr.Length == 1) //只有整數(shù)部分
return ConvertData(str) + "圓整";
else //有小數(shù)部分
{
string rstr;
rstr = ConvertData(splitstr[0]) + "圓";//轉(zhuǎn)換整數(shù)部分
string xiaoshu = ConvertXiaoShu(splitstr[1]);
rstr += (xiaoshu == "") ? "整" : xiaoshu;//轉(zhuǎn)換小數(shù)部分
return rstr;
}
}
/// <summary>
/// 判斷是否是正數(shù)字字符串
/// </summary>
/// <param name="str"> 判斷字符串</param>
/// <returns>如果是數(shù)字，返回true，否則返回false</returns>
public bool IsPositveDecimal(string str)
{
Decimal d;
try
{
d = Decimal.Parse(str);
}
catch (Exception)
{
return false;
}
if (d > 0)
return true;
else
return false;
}
/// <summary>
/// 轉(zhuǎn)換數(shù)字（整數(shù)）
/// </summary>
/// <param name="str">需要轉(zhuǎn)換的整數(shù)數(shù)字字符串</param>
/// <returns>轉(zhuǎn)換成中文大寫后的字符串</returns>
public string ConvertData(string str)
{
string tmpstr = "";
string rstr = "";
int strlen = str.Length;
if (strlen <= 4)//數(shù)字長度小于四位
{
rstr = ConvertDigit(str);
}
else
{
if (strlen <= 8)//數(shù)字長度大于四位，小于八位
{
tmpstr = str.Substring(strlen - 4, 4);//先截取最后四位數(shù)字
rstr = ConvertDigit(tmpstr);//轉(zhuǎn)換最后四位數(shù)字
tmpstr = str.Substring(0, strlen - 4);//截取其余數(shù)字
//將兩次轉(zhuǎn)換的數(shù)字加上萬后相連接
rstr = String.Concat(ConvertDigit(tmpstr) + "萬", rstr);
rstr = rstr.Replace("零萬", "萬");
rstr = rstr.Replace("零零", "零");
}
else
if (strlen <= 12)//數(shù)字長度大于八位，小于十二位
{
tmpstr = str.Substring(strlen - 4, 4);//先截取最后四位數(shù)字
rstr = ConvertDigit(tmpstr);//轉(zhuǎn)換最后四位數(shù)字
tmpstr = str.Substring(strlen - 8, 4);//再截取四位數(shù)字
rstr = String.Concat(ConvertDigit(tmpstr) + "萬", rstr);
tmpstr = str.Substring(0, strlen - 8);
rstr = String.Concat(ConvertDigit(tmpstr) + "億", rstr);
rstr = rstr.Replace("零億", "億");
rstr = rstr.Replace("零萬", "零");
rstr = rstr.Replace("零零", "零");
rstr = rstr.Replace("零零", "零");
}
}
strlen = rstr.Length;
if (strlen >= 2)
{
switch (rstr.Substring(strlen - 2, 2))
{
case "佰零": rstr = rstr.Substring(0, strlen - 2) + "佰"; break;
case "仟零": rstr = rstr.Substring(0, strlen - 2) + "仟"; break;
case "萬零": rstr = rstr.Substring(0, strlen - 2) + "萬"; break;
case "億零": rstr = rstr.Substring(0, strlen - 2) + "億"; break;
}
}
return rstr;
}
/// <summary>
/// 轉(zhuǎn)換數(shù)字（小數(shù)部分）
/// </summary>
/// <param name="str">需要轉(zhuǎn)換的小數(shù)部分?jǐn)?shù)字字符串</param>
/// <returns>轉(zhuǎn)換成中文大寫后的字符串</returns>
public string ConvertXiaoShu(string str)
{
int strlen = str.Length;
string rstr;
if (strlen == 1)
{
rstr = ConvertChinese(str) + "角";
return rstr;
}
else
{
string tmpstr = str.Substring(0, 1);
rstr = ConvertChinese(tmpstr) + "角";
tmpstr = str.Substring(1, 1);
rstr += ConvertChinese(tmpstr) + "分";
rstr = rstr.Replace("零分", "");
rstr = rstr.Replace("零角", "");
return rstr;
}
}
