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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| using SharpCompress.Archives; | ||
| using SharpCompress.Archives.SevenZip; | ||
| using SharpCompress.Common; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace System.Application | ||
| { | ||
| public static class SevenZipHelper | ||
| { | ||
| /// <summary> | ||
| /// 解压压缩包文件 | ||
| /// </summary> | ||
| /// <param name="filePath">要解压的压缩包文件路径</param> | ||
| /// <param name="dirPath">要解压的文件夹路径，文件夹必须不存在</param> | ||
| /// <param name="progress">进度值监听</param> | ||
| /// <param name="maxProgress"></param> | ||
| /// <returns></returns> | ||
| public static bool Unpack(string filePath, string dirPath, | ||
| IProgress<float>? progress = null, | ||
| float maxProgress = 100f) | ||
| { | ||
| if (!File.Exists(filePath)) return false; | ||
| if (Directory.Exists(dirPath)) return false; | ||
|
|
||
| using var fs = File.OpenRead(filePath); | ||
| float length = fs.Length; | ||
| var isFinish = false; | ||
| CancellationTokenSource? cts = null; | ||
| async void ProgressMonitor() | ||
| { | ||
| try | ||
| { | ||
| while (!isFinish) | ||
| { | ||
| var value = fs.Position / length * maxProgress; | ||
| progress!.Report(value); | ||
| await Task.Delay(200, cts.Token); | ||
| } | ||
| } | ||
| catch (OperationCanceledException) | ||
| { | ||
| } | ||
| } | ||
| Directory.CreateDirectory(dirPath); | ||
| using var archive = SevenZipArchive.Open(fs); | ||
| var hasProgress = progress != null; | ||
| if (hasProgress) | ||
| { | ||
| cts = new(); | ||
| try | ||
| { | ||
| Task.Factory.StartNew(ProgressMonitor, cts.Token); | ||
| } | ||
| catch (OperationCanceledException) | ||
| { | ||
| } | ||
| } | ||
| var files = archive.Entries.Where(entry => !entry.IsDirectory).ToArray(); | ||
| for (int i = 0; i < files.Length; i++) | ||
| { | ||
| var file = files[i]; | ||
| file.WriteToDirectory(dirPath, new ExtractionOptions() | ||
| { | ||
| ExtractFullPath = true, | ||
| Overwrite = true | ||
| }); | ||
| } | ||
| isFinish = true; | ||
| if (hasProgress) | ||
| { | ||
| cts!.Cancel(); | ||
| progress!.Report(maxProgress); | ||
| } | ||
| return true; | ||
| } | ||
| } | ||
| } |
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