钱小写转换大写

str += arr[m];
}
}
}
else
{
arr[j] = "";
// Console.WriteLine("請輸入：");
str = Console.ReadLine();
size = str.Length;
if (str != "")
len = size;
}
}
//如果len==0说明就没有给len赋值，即输入的数为整数，反之为小数，則要去掉小數點
if (len == 0)
else
{
str = "";
for (int m = 0; m <= len; m++)
{
for (int i = 0; i <= len; i++)
{
if (arr[i] == ".")
{
len = size + 2;
}
else
{
//判断原输入的数小数点后面是几位，如果大于两位，则用四舍五入保留两位
//四舍五入方法
str = "";
if ((size - len) > 1)
{
if (int.Parse(arr[len + 1]) > 4)
{
arr[len] = (int.Parse(arr[len]) + 1).ToString();
for (int i = len; i >= 0; i--)
}
else
{
arr[i] = "";
else
arr[j - 2] = (int.Parse(arr[j - 2]) + 1).ToString();
j = 0;
}
}
}
for (int n = 0; ; )
{
string str;
int size;
for (int i = 0; ; )
{
Console.WriteLine("請輸入(最大只能輸999999999.99)：");
{
if (int.Parse(arr[j]) > 9)
{
i = 0;
}
}
}
else
arr[j] = "0";
if (arr[j - 1] != ".")
arr[j - 1] = (int.Parse(arr[j - 1]) + 1).ToString();
{
if ((size - i - 1) > 1)
len = i + 2;
if ((size - i - 1) == 1)
{
str += arr[m];
}
}
{
if (arr[i] != "." && arr[i] != "")
{
if (int.Parse(arr[i]) > 9)
}
}
string[] arr = new string[size + 2];
string[] list = new string[size + 2];
int len = 0;
i++;
}
else
{
break;
}
str = "";
for (int m = 0; m <= len; m+i; j >= 0; j--)
{
if (arr[j] != ".")
}
else
{
str += "";
else
str += arr[i];
}
}
}
else
{
for (int i = 0; i <= len; i++)
{
if (double.Parse(str) > 999999999.99)
{
Console.WriteLine("最大只能輸999999999.99，請重新輸入：");
//找出保留两位后的长度（len）
for (int i = 0; i < size; i++)
{
arr[i] = str.Substring(i, 1);
if (arr[i] == ".")