java_十进制数转换为二进制,八进制,十六进制数的算法
java Ê®½øÖÆÊýת»»Îª¶þ½øÖÆ,°Ë½øÖÆ,Ê®Áù½øÖÆÊýµÄË㕨 using System;using System.Collections.Generic;using ponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;namespace ExDtoB{public partial class Form1 : Form{public Form1(){InitializeComponent();}//Ê®½øÖÆת¶þÖÆpublic string DtoB(int d){string b = "";//ÅжϸÃÊýÈç¹ûСÓÚ2£¬ÔòÖ±½ÓÊä³öif (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;}//Ê®½øÖÆת°Ë½øÖÆpublic 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;}//Ê®½øÖÆתʮÁù½øÖÆpublic 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);//ÅжÏÊÇ•ñ´óÓÚ10£¬Èç¹û´óÓÚ10£¬Ôòת»»ÎªA~FµÄ¸ñʽd = c;} while (c >= 16);x = chang(d);for (int j = m.Length - 1; j >= 0; j--){x += m[j];}}return x;}//ÅжÏÊÇ•ñΪ10~15Ö®¼äµÄÊý£¬Èç¹ûÊÇÔò½øÐÐת»»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));//ʮת¶þ½øÖÆ }private void button2_Click(object sender, EventArgs e){textBox2.Text = DtoO(Convert.ToInt32(textBox1.Text));//ʮת°Ë½øÖÆ }private void button3_Click(object sender, EventArgs e){textBox2.Text = DtoX(Convert.ToInt32(textBox1.Text));//ʮתʮÁù½øÖÆ }}}
