C# 整型数和浮点型数的进制转换

1.十进制转二进制

        /// <summary>
        /// 十进制转二进制
        /// </summary>
        public class Convert10To2
        {
            /// <summary>
            /// 将十进制的16位整型数转换为16位二进制字符串
            /// </summary>
            /// <param name="i"></param>
            /// <returns></returns>
            public static bool TryTo2(short i, out string v)
            {
                try
                {
                    v = Convert.ToString(i, 2).PadLeft(16, '0');
                    return true;
                }
                catch (Exception)
                {
                    v = default;
                    return false;
                }
            }

            /// <summary>
            /// 将十进制的32位整型数转换为32位二进制字符串
            /// </summary>
            /// <param name="i"></param>
            /// <returns></returns>
            public static bool TryTo2(int i, out string v)
            {
                try
                {
                    v = Convert.ToString(i, 2).PadLeft(32, '0');
                    return true;
                }
                catch (Exception)
                {
                    v = default;
                    return false;
                }
            }

            /// <summary>
            /// 将十进制的64位整型数转换为64位二进制字符串
            /// </summary>
            /// <param name="i"></param>
            /// <returns></returns>
            public static bool TryTo2(long i, out string v)
            {
                try
                {
                    v = Convert.ToString(i, 2).PadLeft(64, '0');
                    return true;
                }
                catch (Exception)
                {
                    v = default;
                    return false;
                }
            }

            /// <summary>
            /// 将十进制的32位单精度浮点数转换为32位二进制字符串
            /// </summary>
            /// <param name="i"></param>
            /// <param name="v"></param>
            /// <returns></returns>
            public static bool TryTo2(float i, out string v)
            {
                try
                {
                    float j = i;
                    i = Math.Abs(i);
                    int i_left = Convert.ToInt32(Math.Floor(i));//获取整数部分
                    float i_right = i - i_left;//获取小数部分
                    TryTo2(i_left, out string left);//整数部分转换为二进制
                    string right = "";
                    while (i_right != 1)//小数部分转换为二进制
                    {
                        float temp = i_right * 2;
                        right += temp >= 1 ? "1" : "0";
                        if (temp == 1 || temp == 0)
                        {
                            break;
                        }
                        i_right = temp > 1 ? temp - 1 : temp;
                    }
                    string S = j > 0 ? "0" : "1";//获取符号位的二进制
                    if (!left.Contains("1"))
                    {
                        int e = 127 - (right.IndexOf('1') + 1);//获取指数位的十进制
                        TryTo2(e, out string E);//获取指数位的二进制
                        string M = right.Substring(right.IndexOf('1') + 1);
                        if (M.Length > 23)
                        {
                            M = M.Substring(0, 23);
                        }
                        else if (M.Length < 23)
                        {
                            M = M.PadRight(23, '0');
                        }
                        v = S + E.Substring(E.Length - 8) + M;
                    }
                    else
                    {
                        int e = left.Length - left.IndexOf('1') - 1 + 127;//获取指数位的十进制
                        TryTo2(e, out string E);//获取指数位的二进制
                        var z = (left.IndexOf('1') + 1);//获取最高正数位
                        string M = ((z >= left.Length ? "" : left.Substring(z)) + right);//获取尾数
                        if (M.Length > 23)
                        {
                            M = M.Substring(0, 23);
                        }
                        else if (M.Length < 23)
                        {
                            M = M.PadRight(23, '0');
                        }
                        v = S + E.Substring(E.Length - 8) + M;
                    }
                    return true;
                }
                catch (Exception)
                {
                    v = default;
                    return false;
                }
            }
        }

2.二进制转十进制

        /// <summary>
        /// 二进制转十进制
        /// </summary>
        public class Convert2To10
        {
            /// <summary>
            /// 将32位二进制字符串转换为十进制的单精度浮点数
            /// </summary>
            /// <param name="i"></param>
            /// <param name="v"></param>
            /// <returns></returns>
            public static bool TryTo10(string i, out float v)
            {
                try
                {
                    var s = i.Substring(0, 1);//获取符号位字符串
                    var e = i.Substring(1, 8);//获取指数位字符串
                    var m = i.Substring(9);//获取尾数字符串
                    TryTo10(s, out int S);//把符号转换成十进制
                    TryTo10(e, out int E);//获取指数转换成十进制
                    var m_left = $"1{m.Substring(0, E - 127)}";//获取整数部分二进制字符串
                    var m_right = m.Substring(E - 127);//获取小数部分二进制字符串
                    TryTo10(m_left, out int left);//把整数部分转换为十进制
                    var right = 0f;
                    for (int index = 0; index < m_right.Length; index++)//把小数部分转换为十进制
                    {
                        var temp_value = Convert.ToSingle(m_right[index].ToString());
                        var temp_index = Convert.ToSingle(Math.Pow(2, -(index + 1)));
                        right += (temp_value * temp_index);
                    }
                    v = left + right;//合并整数部分和小数部分
                    v = S == 1 ? -v : v;//添加符号
                    return true;
                }
                catch
                {
                    v = default;
                    return false;
                }
            }

            /// <summary>
            /// 将32位二进制字符串转换为十进制的32位整型数
            /// </summary>
            /// <param name="i"></param>
            /// <param name="v"></param>
            /// <returns></returns>
            public static bool TryTo10(string i, out int v)
            {
                try
                {
                    v = Convert.ToInt32(i, 2);
                    return true;
                }
                catch
                {
                    v = default;
                    return false;
                }
            }
        }