C#将 List<double> 转为 byte[]

逃离我推掉我的手 2022-02-17 13:42 277阅读 0赞

实例代码

using System;
    using System.Collections.Generic;
    using System.IO;
    
    namespace ConvertTest
    {
        class Program
        {
            //将List<double> 转为 byte[]
            static byte[] ConvertDoubleArrayToBytes(List<double> matrix)
            {
                if (matrix == null)
                {
                    return new byte[0];
                }
                using (MemoryStream stream = new MemoryStream())
                {
                    BinaryWriter bw = new BinaryWriter(stream);
                    foreach (var item in matrix)
                    {
                        bw.Write(item);
                    }
                    return stream.ToArray();
                }
            }
            //将byte[] 转为 List<double>
            static List<double> ConvertBytesToDoubleArray(byte[] matrix)
            {
                if (matrix == null)
                    return null;
    
                List<double> result = new List<double>();
                using (var br = new BinaryReader(new MemoryStream(matrix)))
                {
                    var ptCount = matrix.Length/8;
                    for (int i = 0; i < ptCount; i++)
                    {
                        result.Add(br.ReadDouble());
                    }
                    return result;
                }          
            }
            
            static void Main(string[] args)
            {
                List<double> data = new List<double> { 1.0 ,2.0 ,3.0 ,4.0 ,5.0 ,6.0 ,7.0};
                byte[] bdata = ConvertDoubleArrayToBytes(data);
                data = ConvertBytesToDoubleArray(bdata);
                foreach (var item in data)
                {
                    Console.WriteLine(item);
                }
                Console.ReadKey();
            }
        }
    }

运行结果

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