using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms;namespace ExDtoB { public partial class Form1 : Form { public Form1() { InitializeComponent(); } //十进制转二制 public string DtoB(int d) { string b = ""; //判断该数如果小于2,则直接输出 if (d < 2) { b = d.ToString(); } else { int c; int s = 0; int n = d; while (n >= 2) { s++; n = n / 2; } int[] m = new int[s]; int i = 0; do { c = d / 2; m[i++] = d % 2; d = c; } while (c >= 2); b = d.ToString(); for (int j = m.Length - 1; j >=0; j--) { b += m[j].ToString (); } } return b; } //十进制转八进制 public string DtoO(int d) { string o = ""; if (d < 8) { o = d.ToString(); } else { int c;
int s=0; int n=d; int temp = d; while (n >= 8) { s++; n = n / 8; } int[] m = new int[s]; int i = 0; do { c = d / 8; m[i++] = d % 8; d = c; } while (c >= 8); o = d.ToString(); for (int j = m.Length - 1; j >= 0; j--) { o += m[j]; } } return o; } //十进制转十六进制 public string DtoX(int d) { string x = ""; if (d < 16) { x = chang(d); } else { int c; int s = 0; int n = d; int temp = d; while (n >= 16) { s++; n = n / 16; } string [] m = new string[s]; int i = 0; do { c = d / 16; m[i++] = chang(d % 16);//判断是否大于10,如果大于10,则转换为A~F的格式 d = c; } while (c >= 16); x = chang(d); for (int j = m.Length - 1; j >= 0; j--) { x += m[j]; } } return x; } //判断是否为10~15之间的数,如果是则进行转换 public string chang(int d) { string x = ""; switch (d) { case 10: x = "A"; break; case 11: x = "B"; break; case 12: x = "C"; break; case 13: x = "D"; break; case 14: x = "E"; break; case 15: x = "F"; break; default: x = d.ToString(); break; } return x; } private void button1_Click(object sender, EventArgs e) { textBox2.Text = DtoB(Convert.ToInt32(textBox1.Text));//十转二进制 } private void button2_Click(object sender, EventArgs e) { textBox2.Text = DtoO(Convert.ToInt32(textBox1.Text));//十转八进制 } private void button3_Click(object sender, EventArgs e) { textBox2.Text = DtoX(Convert.ToInt32(textBox1.Text));//十转十六进制 } } }
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;namespace ExDtoB
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
} //十进制转二制
public string DtoB(int d)
{
string b = "";
//判断该数如果小于2,则直接输出
if (d < 2)
{
b = d.ToString();
}
else
{
int c;
int s = 0;
int n = d;
while (n >= 2)
{
s++;
n = n / 2;
}
int[] m = new int[s];
int i = 0;
do
{
c = d / 2;
m[i++] = d % 2;
d = c;
} while (c >= 2);
b = d.ToString();
for (int j = m.Length - 1; j >=0; j--)
{
b += m[j].ToString ();
}
}
return b;
}
//十进制转八进制
public string DtoO(int d)
{
string o = "";
if (d < 8)
{
o = d.ToString();
}
else
{
int c;
int s=0;
int n=d;
int temp = d;
while (n >= 8)
{
s++;
n = n / 8;
}
int[] m = new int[s];
int i = 0;
do
{
c = d / 8;
m[i++] = d % 8;
d = c;
} while (c >= 8);
o = d.ToString();
for (int j = m.Length - 1; j >= 0; j--)
{
o += m[j];
}
}
return o;
}
//十进制转十六进制
public string DtoX(int d)
{
string x = "";
if (d < 16)
{
x = chang(d);
}
else
{
int c;
int s = 0;
int n = d;
int temp = d;
while (n >= 16)
{
s++;
n = n / 16;
}
string [] m = new string[s];
int i = 0;
do
{
c = d / 16;
m[i++] = chang(d % 16);//判断是否大于10,如果大于10,则转换为A~F的格式
d = c;
} while (c >= 16);
x = chang(d);
for (int j = m.Length - 1; j >= 0; j--)
{
x += m[j];
}
}
return x;
}
//判断是否为10~15之间的数,如果是则进行转换
public string chang(int d)
{
string x = "";
switch (d)
{
case 10:
x = "A";
break;
case 11:
x = "B";
break;
case 12:
x = "C";
break;
case 13:
x = "D";
break;
case 14:
x = "E";
break;
case 15:
x = "F";
break;
default:
x = d.ToString();
break;
}
return x;
} private void button1_Click(object sender, EventArgs e)
{
textBox2.Text = DtoB(Convert.ToInt32(textBox1.Text));//十转二进制
} private void button2_Click(object sender, EventArgs e)
{
textBox2.Text = DtoO(Convert.ToInt32(textBox1.Text));//十转八进制
} private void button3_Click(object sender, EventArgs e)
{
textBox2.Text = DtoX(Convert.ToInt32(textBox1.Text));//十转十六进制
}
}
}
Console.WriteLine(Convert.ToString(i, 2));
Console.WriteLine(Convert.ToString(i, 8));
Console.WriteLine(Convert.ToString(i, 16));