80 lines
3.0 KiB
C#
80 lines
3.0 KiB
C#
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using ICSharpCode.SharpZipLib.Zip1;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace PCRobot.Utils
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{
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internal class ZipArchive
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{
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/// <summary>
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/// 功能：解压zip格式的文件。
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/// </summary>
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/// <param name="zipFilePath">压缩文件路径</param>
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/// <param name="unZipDir">解压文件存放路径,为空时默认与压缩文件同一级目录下，跟压缩文件同名的文件夹</param>
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/// <param name="err">出错信息</param>
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/// <returns>解压是否成功</returns>
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public static void UnZip(string zipFilePath, string unZipDir)
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{
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if (zipFilePath == string.Empty)
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{
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throw new Exception("压缩文件不能为空！");
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}
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if (!File.Exists(zipFilePath))
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{
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throw new System.IO.FileNotFoundException("压缩文件不存在！");
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}
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//解压文件夹为空时默认与压缩文件同一级目录下，跟压缩文件同名的文件夹
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if (unZipDir == string.Empty)
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unZipDir = zipFilePath.Replace(Path.GetFileName(zipFilePath),
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Path.GetFileNameWithoutExtension(zipFilePath));
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if (!unZipDir.EndsWith("/"))
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unZipDir += "/";
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if (!Directory.Exists(unZipDir))
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Directory.CreateDirectory(unZipDir);
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using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipFilePath)))
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{
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ZipEntry theEntry;
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while ((theEntry = s.GetNextEntry()) != null)
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{
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string directoryName = Path.GetDirectoryName(theEntry.Name);
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string fileName = Path.GetFileName(theEntry.Name);
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if (directoryName.Length > 0)
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{
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Directory.CreateDirectory(unZipDir + directoryName);
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}
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if (!directoryName.EndsWith("/"))
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directoryName += "/";
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if (fileName != String.Empty)
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{
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using (FileStream streamWriter = File.Create(unZipDir + theEntry.Name))
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{
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int size = 5048;
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byte[] data = new byte[size];
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while (true)
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{
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size = s.Read(data, 0, data.Length);
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if (size > 0)
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{
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streamWriter.Write(data, 0, size);
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}
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else
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{
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break;
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}
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}
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}
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}
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}
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}
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}
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}
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}
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