SaveLoadCtrl.cs

using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Runtime.Serialization;


public class SaveLoadCtrl
{
    public static byte[] ObjectToBytes(object obj)
    {
        using (MemoryStream ms = new MemoryStream())
        {
            IFormatter formatter = new BinaryFormatter();
            formatter.Serialize(ms, obj);
            return ms.GetBuffer();
        }
    }

    public static object BytesToObject(byte[] Bytes)
    {
        using (MemoryStream ms = new MemoryStream(Bytes))
        {
            IFormatter formatter = new BinaryFormatter();
            return formatter.Deserialize(ms);
        }
    }

    public static void SaveData<T>(T obj, string path)
    {
        FileStream fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
        BinaryFormatter bf = new BinaryFormatter();
        bf.Serialize(fs, obj);
        fs.Close();
    }

    public static T LoadData<T>(string path)
    {
        if (File.Exists(path))
        {
            FileStream fs = new FileStream(path, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
            if (fs.Length != 0)
            {
                BinaryFormatter bf = new BinaryFormatter();
                T res = (T)bf.Deserialize(fs);
                fs.Close();
                return res;
            }
            fs.Close();
            return default(T);
        }
        return default(T);
    }
}

读取

SaveLoadC trl.LoadData<List<GXRS>>(Directory.GetCurrentDirectory() + "\GxRS1.dat");

存入

SaveLoadCtrl.SaveData<List<GXRS>>(dtList1, Directory.GetCurrentDirectory() + "\GxRS1.dat");