using System;
using System.Collections.Generic; using System.Text; using System.Runtime.Serialization.Formatters.Binary; using System.IO; using System.IO.Compression; using System.Windows.Forms;
namespace Vjsdn_Tester
{
public class TestZipObject
{
/// <summary>
///测试简单序列化/反序列化对象
/// </summary>
public void Test()
{
SerilizabledObject obj = new SerilizabledObject();
byte[] bs = ZipObject.CompressionObject(obj); object o = ZipObject.DecompressionObject(bs); //还原,ok MessageBox.Show((o as SerilizabledObject).getName());
}
/// <summary>
/// 序列化对象,将对象写入文件,然后还原.
/// </summary>
public void TestReadWriteFile()
{
SerilizabledObject obj = new SerilizabledObject();
byte[] bs = ZipObject.CompressionObject(obj);
//将数组写入文件
Stream writer = new FileStream("E:\\test.shape", FileMode.Create, FileAccess.Write, FileShare.Write); writer.Write(bs, 0, bs.Length); writer.Flush(); writer.Close();
//读取文件,先写入数组,再从数组转换为对象.Easy! FileStream fs = File.Open("E:\\test.shape", FileMode.Open); byte[] bss = new byte[fs.Length]; int i = fs.Read(bss, 0, (int)fs.Length);
object o = ZipObject.DecompressionObject(bss); //还原,ok MessageBox.Show((o as SerilizabledObject).getName());
}
}
/// <summary>
///测试用对象
/// </summary>
[Serializable]
public class SerilizabledObject
{
string id = "id001";
string name = "www.vjsdn.com";
public SerilizabledObject() { }
public string getName()
{
return this.name;
}
}
/// <summary>
///压缩解压object
/// </summary>
public class ZipObject
{
#region压缩解压object
public static byte[] CompressionObject(object DataOriginal)
{
if (DataOriginal == null) return null;
BinaryFormatter bFormatter = new BinaryFormatter();
MemoryStream mStream = new MemoryStream();
bFormatter.Serialize(mStream, DataOriginal); byte[] bytes = mStream.ToArray();
MemoryStream oStream = new MemoryStream();
DeflateStream zipStream = new DeflateStream(oStream, CompressionMode.Compress); zipStream.Write(bytes, 0, bytes.Length); zipStream.Flush(); zipStream.Close(); return oStream.ToArray();
}
public static object DecompressionObject(byte[] bytes)
{
if (bytes == null) return null;
MemoryStream mStream = new MemoryStream(bytes);
mStream.Seek(0, SeekOrigin.Begin); DeflateStream unZipStream = new DeflateStream(mStream, CompressionMode.Decompress, true);
object dsResult = null;
BinaryFormatter bFormatter = new BinaryFormatter();
dsResult = (object)bFormatter.Deserialize(unZipStream);
return dsResult;
}
#endregion
}
}
测试代码:
private void button7_Click(object sender, EventArgs e)
{
new TestZipObject().Test(); // 测试简单序列化/反序列化对象new TestZipObject().TestReadWriteFile(); // 序列化对象,将对象写入文件,然后还原.
}