C#实现字符串进制转换方法汇总

        /// 
 /// 进制转换 /// 
 ///  /// 原来的进制格式 /// 要转换成的进制格式 ///  public string ConvertGenericBinary(string input, byte fromType, byte toType) { string output = input; switch (fromType) { case 2: output = ConvertGenericBinaryFromBinary(input, toType); break; case 8: output = ConvertGenericBinaryFromOctal(input, toType); break; case 10: output = ConvertGenericBinaryFromDecimal(input, toType); break; case 16: output = ConvertGenericBinaryFromHexadecimal(input, toType); break; default: break; } return output; } /// 
 /// 从二进制转换成其他进制 /// 
 ///  ///  ///  private string ConvertGenericBinaryFromBinary(string input, byte toType) { switch (toType) { case 8: //先转换成十进制然后转八进制 input = Convert.ToString(Convert.ToInt32(input, 2), 8); break; case 10: input = Convert.ToInt32(input, 2).ToString(); break; case 16: input = Convert.ToString(Convert.ToInt32(input, 2), 16); break; default: break; } return input; } /// 
 /// 从八进制转换成其他进制 /// 
 ///  ///  ///  private string ConvertGenericBinaryFromOctal(string input, byte toType) { switch (toType) { case 2: input = Convert.ToString(Convert.ToInt32(input, 8), 2); break; case 10: input = Convert.ToInt32(input, 8).ToString(); break; case 16: input = Convert.ToString(Convert.ToInt32(input, 8), 16); break; default: break; } return input; } /// 
 /// 从十进制转换成其他进制 /// 
 ///  ///  ///  private string ConvertGenericBinaryFromDecimal(string input, int toType) { string output = ""; int intInput = Convert.ToInt32(input); switch (toType) { case 2: output = Convert.ToString(intInput, 2); break; case 8: output = Convert.ToString(intInput, 8); break; case 16: output = Convert.ToString(intInput, 16); break; default: output = input; break; } return output; } /// 
 /// 从十六进制转换成其他进制 /// 
 ///  ///  ///  private string ConvertGenericBinaryFromHexadecimal(string input, int toType) { switch (toType) { case 2: input = Convert.ToString(Convert.ToInt32(input, 16), 2); break; case 8: input = Convert.ToString(Convert.ToInt32(input, 16), 8); break; case 10: input = Convert.ToInt32(input, 16).ToString(); break; default: break; } return input; }

 string s1 = Convert.ToString(3, 2);

 string s2 = Convert.ToString(3, 2).PadLeft(4, '0');          

  string s3 = Convert.ToString(3, 2).PadRight(4, '0');

 string s4 = Convert.ToString(0xf, 2).PadLeft(8, '0');             string s5 = Convert.ToString(0xF, 2).PadLeft(8, '0');  //不区分大小写，结果一样。           

   string s6 = Convert.ToString(0xf, 10);                  //结果：15,string类型             string s7 = Convert.ToString(0xf, 10).PadLeft(4, '0');  //结果：0015,string类型             int s8 = Convert.ToInt32("f", 16);                     //结果：15，int类型        

  int s9 = Convert.ToInt32("1111", 2);          

  int s10 = Convert.ToInt32("30", 16);         

 string s12 = string.Format("{0:x0}", 15);             // 第2种方法：             string s12 = convert.ToString(15,16);            

  string s13 = string.Format("{0:x}", Convert.ToInt32("1111", 2));         

    int s14 = Convert.ToInt32('A');        

     string s15 = "AB";             int s16 = Convert.ToInt32(Convert.ToChar(s15[0]));             Console.WriteLine(s16);      

  byte[] bt = new byte[4] { 0x7b, 0x14, 0x2e, 0x3f };             float ff = BitConverter.ToSingle(bt, 0);         

  float f = 0.68f;             string str1 = BitConverter.ToString(BitConverter.GetBytes(f)).Replace("-", ""); //结果：7B142E3F             string str2 = BitConverter.ToString(BitConverter.GetBytes(f));    //结果：7B-14-2E-3F          

  int n = 49;             string str1 = n.ToString();     //结果：49             string str2 = n.ToString("x");  //结果：0x31         

    string str = "31";             int i = Convert.ToInt32(str);  //结果：31       

 byte bt = 0x31;             int i = Convert.ToInt32(bt);  //结果;49           

 ushort[] val ;                   List result = new List();            result.AddRange(BitConverter.GetBytes(val[0]));            result.AddRange(BitConverter.GetBytes(val[1]));            float JG= BitConverter.ToSingle(result.ToArray(), 0); 

  float value;            ushort lowOrderValue = BitConverter.ToUInt16(BitConverter.GetBytes(value), 2);            ushort highOrderValue = BitConverter.ToUInt16(BitConverter.GetBytes(value), 0);