/// <summary>
/// 改变数字
/// </summary>
/// <param name="num">数字</param>
public void ChangeNum(double num)
{
if (num >= 0 && !IsPostive)
{
PostiveAndNegativeChanged?.Invoke(this, new PostiveAndNegativeChangedEventArgs {
OldValue = IsPostive, NewValue = true
});
IsPostive = true;
}
else if (num < 0 && IsPostive)
{
PostiveAndNegativeChanged?.Invoke(this, new PostiveAndNegativeChangedEventArgs {
OldValue = IsPostive, NewValue = false
});
IsPostive = false;
}
num = Math.Abs(num);
string numstr = num.ToString();
if (numstr.IndexOf("E+") >= 0)
{
string[] numstmp = Regex.Split(numstr, "E+");
numstr = numstmp[0];
int x = 1;
if (numstmp[0].IndexOf(".") >= 0)
{
numstr = numstr.Replace(".", "");
x = numstmp[0].Length - numstmp[0].IndexOf(".");
}
for (int i = x - 1; i < int.Parse(numstmp[1]); i++)
{
numstr += "0";
}
}
int[] numids = new int[6];
if (num >= 10000)
{
if (num >= 100000000)
{
string tmp1 = numstr.Split('.')[0];
string tmp2 = tmp1.Substring(0, tmp1.Length - 8); //整数部分
string tmp3 = tmp1.Substring(tmp2.Length, 1); //小数部分
numids[5] = -2;
numids[4] = int.Parse(tmp1.Substring(tmp2.Length + 1, 1)) >= 5 ? int.Parse(tmp3) + 1 : int.Parse(tmp3);
if (numids[4] >= 10)
{
numids[4] -= 10;
tmp2 = (int.Parse(tmp2) + 1).ToString();
}
for (int i = 1; i <= 4; i++)
{
if (tmp2.Length - i >= 0)
{
numids[4 - i] = int.Parse(tmp2.Substring(tmp2.Length - i, 1));
}
else
{
if (4 - i == 3)
{
numids[3] = 0;
}
else
{
numids[4 - i] = -3;
}
}
}
}
else
{
string tmp1 = numstr.Split('.')[0];
string tmp2 = tmp1.Substring(0, tmp1.Length - 4); //整数部分
string tmp3 = tmp1.Substring(tmp2.Length, 1); //小数部分
numids[5] = -1;
numids[4] = int.Parse(tmp1.Substring(tmp2.Length + 1, 1)) >= 5 ? int.Parse(tmp3) + 1 : int.Parse(tmp3);
if (numids[4] >= 10)
{
numids[4] -= 10;
tmp2 = (int.Parse(tmp2) + 1).ToString();
}
for (int i = 1; i <= 4; i++)
{
if (tmp2.Length - i >= 0)
{
numids[4 - i] = int.Parse(tmp2.Substring(tmp2.Length - i, 1));
}
else
{
numids[4 - i] = -3;
}
}
}
}
else
{
string[] tmp1 = numstr.Split('.');
for (int i = 1; i <= 4; i++)
{
if (tmp1[0].Length - i >= 0)
{
numids[4 - i] = int.Parse(tmp1[0].Substring(tmp1[0].Length - i, 1));
}
else
{
numids[4 - i] = -3;
}
}
if (tmp1.Length > 1)
{
for (int i = 0; i < 2; i++)
{
if (tmp1[1].Length - i > 0)
{
numids[4 + i] = int.Parse(tmp1[1].Substring(i, 1));
}
else
{
numids[4 + i] = 0;
}
}
}
}
N4.ChangeNum(numids[0]);
N3.ChangeNum(numids[1]);
N2.ChangeNum(numids[2]);
N1.ChangeNum(numids[3]);
if (numids[4] == 0 && numids[5] == 0)
{
numpoint.Visibility = Visibility.Hidden;
P1.Visibility = Visibility.Hidden;
P2.Visibility = Visibility.Hidden;
ViewPanel.Margin = new Thickness(30, 0, -28, 0);
}
else
{
numpoint.Visibility = Visibility.Visible;
P1.Visibility = Visibility.Visible;
P2.Visibility = Visibility.Visible;
ViewPanel.Margin = new Thickness(1, 0, 1, 0);
P1.ChangeNum(numids[4]);
P2.ChangeNum(numids[5]);
}
}