using
System;
namespace
DotNet.Utilities
{
/// <summary>
/// Rmb 的摘要说明。
/// </summary>
public
class
Rmb
{
/// <summary>
/// 转换人民币大小金额
/// </summary>
/// <param name="num">金额</param>
/// <returns>返回大写形式</returns>
public
static
string
CmycurD(
decimal
num)
{
string
str1 =
"零壹贰叁肆伍陆柒捌玖"
;
//0-9所对应的汉字
string
str2 =
"万仟佰拾亿仟佰拾万仟佰拾元角分"
;
//数字位所对应的汉字
string
str3 =
""
;
//从原num值中取出的值
string
str4 =
""
;
//数字的字符串形式
string
str5 =
""
;
//人民币大写金额形式
int
i;
//循环变量
int
j;
//num的值乘以100的字符串长度
string
ch1 =
""
;
//数字的汉语读法
string
ch2 =
""
;
//数字位的汉字读法
int
nzero = 0;
//用来计算连续的零值是几个
int
temp;
//从原num值中取出的值
num = Math.Round(Math.Abs(num), 2);
//将num取绝对值并四舍五入取2位小数
str4 = ((
long
)(num * 100)).ToString();
//将num乘100并转换成字符串形式
j = str4.Length;
//找出最高位
if
(j > 15) {
return
"溢出"
; }
str2 = str2.Substring(15 - j);
//取出对应位数的str2的值。如:200.55,j为5所以str2=佰拾元角分
//循环取出每一位需要转换的值
for
(i = 0; i < j; i++)
{
str3 = str4.Substring(i, 1);
//取出需转换的某一位的值
temp = Convert.ToInt32(str3);
//转换为数字
if
(i != (j - 3) && i != (j - 7) && i != (j - 11) && i != (j - 15))
{
//当所取位数不为元、万、亿、万亿上的数字时
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
{
//该位是万亿,亿,万,元位等关键位
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))
{
//如果该位是亿位或元位,则必须写上
ch2 = str2.Substring(i, 1);
}
str5 = str5 + ch1 + ch2;
if
(i == j - 1 && str3 ==
"0"
)
{
//最后一位(分)为0时,加上“整”
str5 = str5 +
'整'
;
}
}
if
(num == 0)
{
str5 =
"零元整"
;
}
return
str5;
}
/**/
/// <summary>
/// 一个重载,将字符串先转换成数字在调用CmycurD(decimal num)
/// </summary>
/// <param name="num">用户输入的金额,字符串形式未转成decimal</param>
/// <returns></returns>
public
static
string
CmycurD(
string
numstr)
{
try
{
decimal
num = Convert.ToDecimal(numstr);
return
CmycurD(num);
}
catch
{
return
"非数字形式!"
;
}
}
}
}