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資源簡介

本程序是基于 sharpcompress-master 設計的演示程序。
開原地址：https://github.com/adamhathcock/sharpcompress。
1. 程序主要展示了壓縮文件的解壓縮，支持的文件類型有：rar、zip、7zip、Gzip、tar......等壓縮格式，展示了密碼解壓、分卷解壓、解壓進度等功能。
2. 不支持“帶密碼的分卷壓縮文件”的解壓；無密碼分卷壓縮、單個帶密碼文件正常解壓。
3. 此程序在設計中，對組件源代碼進行了修改，與原組件代碼對照查看。
4、sharpcompress-master組件功能繁多，比如，文件壓縮為圖片、壓縮文件內文件添加刪除、更名等等，對照現有的壓縮軟件，功能均具備，可在代碼中查看使用。本示例只是展示了解壓縮功能。

此程序為識別全部壓縮格式，未引用DLL，全部為cs文件，如有錯誤，自行對照修正。 




private void Uncompress(string archiveFile, string destinationPath, string password = null)
        {
            var archive = ArchiveFactory.Open(archiveFile, new ReaderOptions()
            {
                Password = password,
                LeaveStreamOpen = true
            });
            volumes = archive.Entries.Count();

            archive.EntryExtractionBegin  = archive_EntryExtractionBegin;
            archive.FilePartExtractionBegin  = archive_FilePartExtractionBegin;
            archive.CompressedBytesRead  = archive_CompressedBytesRead;

            Task.Run(() =>
            {
                long order = 0;
                foreach (var entry in archive.Entries)
                {
                    if (!entry.IsDirectory)
                    {
                        entry.WriteToDirectory(destinationPath, new ExtractionOptions()
                        {
                            ExtractFullPath = true,
                            Overwrite = true,
                        });
                    }
                    order  ;
                    this.CrossThreadCalls(() =>
                    {
                        if (volumes > 1)
                        {
                            progress[0].Value = CreatePercentage(order, volumes);
                        }
                    });
                }
                MessageBox.Show("解壓縮任務完成 ！");
            });
        }

        private void archive_EntryExtractionBegin(object sender, ArchiveExtractionEventArgs<IArchiveEntry> e)
        {
            entryTotal = e.Item.Size;
            info_builde1 = "提取文件: "   e.Item.Key   "；\r";
        }

        private void archive_FilePartExtractionBegin(object sender, FilePartExtractionBeginEventArgs e)
        {
            partTotal = e.Size;
            info_builde2 = "分卷："   e.Name   "；\r";
        }

        private void archive_CompressedBytesRead(object sender, CompressedBytesReadEventArgs e)
        {
            string percentage = entryTotal.HasValue ? CreatePercentage(e.CompressedBytesRead, entryTotal.Value).ToString() : "Unknown";
            info_builde = info_builde1   info_builde2   "字節："   e.CompressedBytesRead   "；百分比："   percentage   "%";
            this.CrossThreadCalls(() =>
            {
                compress_Info.Text = info_builde;
                progress[1].Value = int.Parse(percentage) > 100 || int.Parse(percentage) < 0 ? 100 : int.Parse(percentage);
                if (volumes < 2) progress[0].Value = progress[1].Value;
                Application.DoEvents();
            });
        }

        private int CreatePercentage(long n, long d)
        {
            return (int)(((double)n / (double)d) * 100);
        }

資源截圖

代碼片段和文件信息 

using?System.Threading;
using?System.Windows.Forms;

public?static?class?CrossThreadCall
{
????public?static?void?CrossThreadCalls（this?Control?ctl?ThreadStart?del）
????{
????????if?（del?==?null）?return;
????????if?（ctl.InvokeRequired）??ctl.Invoke（del?null）;
????????else?del（）;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.????129024??2019-07-21?21:18??compress_Demo\.vs\compress_Demo\v15\.suo

?????文件??????????0??2019-07-21?06:22??compress_Demo\.vs\compress_Demo\v15\Server\sqlite3\db.lock

?????文件????1523712??2019-07-21?21:02??compress_Demo\.vs\compress_Demo\v15\Server\sqlite3\storage.ide

?????文件??????32768??2019-07-21?20:15??compress_Demo\.vs\compress_Demo\v15\Server\sqlite3\storage.ide-shm

?????文件????4449632??2019-07-21?21:11??compress_Demo\.vs\compress_Demo\v15\Server\sqlite3\storage.ide-wal

?????文件????????189??2019-07-21?06:22??compress_Demo\compress_Demo\App.config

?????文件?????813568??2019-07-21?21:11??compress_Demo\compress_Demo\bin\Debug\compress_Demo.exe

?????文件??????28717??2019-07-21?21:01??compress_Demo\compress_Demo\compress_Demo.csproj

?????文件???????2352??2019-06-28?15:48??compress_Demo\compress_Demo\contextUI\ConextControl.cs

?????文件????????644??2019-07-21?21:02??compress_Demo\compress_Demo\contextUI\ConextDrawText.cs

?????文件??????64180??2019-07-21?07:14??compress_Demo\compress_Demo\contextUI\ConextFontAwesome.cs

?????文件???????5771??2019-06-23?09:32??compress_Demo\compress_Demo\contextUI\ConextForm.cs

?????文件????????304??2019-07-20?11:55??compress_Demo\compress_Demo\CrossThreadCall.cs

?????文件??????16052??2019-07-21?21:11??compress_Demo\compress_Demo\Form1.cs

?????文件????????525??2019-07-21?06:22??compress_Demo\compress_Demo\Program.cs

?????文件???????1324??2019-07-21?06:22??compress_Demo\compress_Demo\Properties\AssemblyInfo.cs

?????文件???????2839??2019-07-21?06:22??compress_Demo\compress_Demo\Properties\Resources.Designer.cs

?????文件???????5612??2019-07-21?06:22??compress_Demo\compress_Demo\Properties\Resources.resx

?????文件???????1100??2019-07-21?06:22??compress_Demo\compress_Demo\Properties\Settings.Designer.cs

?????文件????????249??2019-07-21?06:22??compress_Demo\compress_Demo\Properties\Settings.settings

?????文件???????5831??2019-07-21?07:15??compress_Demo\compress_Demo\Resource.Designer.cs

?????文件??????11950??2019-07-21?07:15??compress_Demo\compress_Demo\Resource.resx

?????文件?????165548??2019-07-21?07:10??compress_Demo\compress_Demo\Resources\fontawesome-webfont.ttf

?????文件???????7071??2019-06-27?04:16??compress_Demo\compress_Demo\SharpCompress\Archives\AbstractArchive.cs

?????文件???????5103??2019-06-27?04:16??compress_Demo\compress_Demo\SharpCompress\Archives\AbstractWritableArchive.cs

?????文件???????5596??2019-06-27?04:16??compress_Demo\compress_Demo\SharpCompress\Archives\ArchiveFactory.cs

?????文件???????6226??2019-06-27?04:16??compress_Demo\compress_Demo\SharpCompress\Archives\GZip\GZipArchive.cs

?????文件????????901??2019-06-27?04:16??compress_Demo\compress_Demo\SharpCompress\Archives\GZip\GZipArchiveEntry.cs

?????文件???????1866??2019-06-27?04:16??compress_Demo\compress_Demo\SharpCompress\Archives\GZip\GZipWritableArchiveEntry.cs

?????文件???????1757??2019-06-27?04:16??compress_Demo\compress_Demo\SharpCompress\Archives\IArchive.cs

............此處省略391個文件信息

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