using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.IO.Compression;
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/**//// <summary>
/// ZipUtility 的摘要说明
/// </summary>
public class ZipUtility
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{
public ZipUtility()
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{
//
// TODO: 在此处添加构造函数逻辑
//
}
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public static void Compress(Stream source, Stream destination)
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{
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using (GZipStream output = new GZipStream(destination, CompressionMode.Compress))
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{
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Pump(source, output);
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}
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}
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public static void Decompress(Stream source, Stream destination)
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{
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using (GZipStream input = new GZipStream(source, CompressionMode.Decompress))
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{
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Pump(input, destination);
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}
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}
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private static void Pump(Stream input, Stream output)
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{
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byte[] bytes = new byte[4096];
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int n;
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while ((n = input.Read(bytes, 0, bytes.Length)) != 0)
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{
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output.Write(bytes, 0, n);
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}
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}
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}
简单应用:
protected void Button1_Click(object sender, EventArgs e)
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{
FileStream fs=File.OpenWrite("d:/Data.txt");
Stream c=this.FileUpload1.PostedFile.InputStream;
ZipUtility.Decompress(c, fs);
fs.Close();
c.Close();
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}
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