更新

SharpCompressStudy.Core/CommonUtility.cs

@@ -19,6 +19,7 @@ using SharpCompress.Archives.Rar;
 using SharpCompress.Archives.GZip;
 using SharpCompress.Archives.Tar;
 using SharpCompress.Archives.SevenZip;
+using SharpCompress.Readers;
 
 namespace SharpCompressStudy.Core
 {
@@ -62,17 +63,33 @@ namespace SharpCompressStudy.Core
 
         private static void DecompressRarFile(string fileName, bool isDelete)
         {
+            ArgumentNullException.ThrowIfNull(fileName);
+
+            var extName = Path.GetExtension(fileName);
+
+            var descDir = Path.Combine(Path.GetDirectoryName(fileName)!, new FileInfo(fileName).Name.Replace(extName,"") + "\\");
+
+            if (!Directory.Exists(descDir))
+            {
+                Directory.CreateDirectory(descDir);
+            }
+
             try
             {
-                var extName = Path.GetExtension(fileName).Trim().ToLower();
+                using (Stream stream = File.OpenRead(fileName))
-                switch (extName)
                 {
-                    case ".rar":
+                    var reader = ReaderFactory.Open(stream);
-                        break;
+                    while (reader.MoveToNextEntry())
-                    default:
+                    {
-                        break;
+                        if (!reader.Entry.IsDirectory)
+                        {
+                            Console.WriteLine(reader.Entry.Key);
+                            reader.WriteEntryToDirectory(descDir, new ExtractionOptions() { ExtractFullPath = true, Overwrite = true });
+                        }
+                    }
                 }
 
+
                 if (isDelete)
                 {
                     File.Delete(fileName);

SharpCompressStudy.Core/SharpCompressStudy.Core.csproj

@@ -17,6 +17,9 @@
     <None Update="Resource\学习.rar">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
+    <None Update="Resource\学习2.rar">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
   </ItemGroup>
 
 </Project>

SharpCompressStudy.Test/CommonUtilityTest.cs

@@ -3,10 +3,17 @@ namespace SharpCompressStudy
     public class CommonUtilityTest
     {
         [Fact]
-        public void Test1()
+        public void Zip_Test()
         {
             var file = AppDomain.CurrentDomain.BaseDirectory + "/Resource/" + "利港模型AB文件.zip";
             CommonUtility.Decompress(file,false);
         }
+
+        [Fact]
+        public void Rar_Test()
+        {
+            var file = AppDomain.CurrentDomain.BaseDirectory + "/Resource/" + "ѧϰ.rar";
+            CommonUtility.Decompress(file, false);
+        }
     }
 }

SharpCompressStudy.Test/WinRarFileTest.cs

@@ -20,15 +20,41 @@ namespace SharpCompressStudy.Core
         [Fact]
         public void ExtractFromRar_Test()
         {
-            var rarFilePath = AppDomain.CurrentDomain.BaseDirectory + "Resource\\ѧϰ.rar";
 
-            var extractPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resource\\", Guid.NewGuid().ToString() + "\\");
+            var rarFilePath = AppDomain.CurrentDomain.BaseDirectory + "Resource\\学习2.rar";
-            if (!Directory.Exists(extractPath))
+
+            if (!File.Exists(rarFilePath))
             {
-                Directory.CreateDirectory(extractPath);
+                throw new FileNotFoundException("Rar文件不存在");
             }
+
+            //扩展名
+            var extName = Path.GetExtension(rarFilePath);
+
+            //文件名
+            var rarFileName = Path.GetFileName(rarFilePath).Replace(extName, "");
+
+            //不带扩展名的文件名
+            var rarFileNameWithoutExt = Path.GetFileNameWithoutExtension(rarFilePath);
+
+            //解压根目录
+            var extractPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resource\\models\\temp\\", Guid.NewGuid().ToString() + "\\");
+
             using (var archive = RarArchive.Open(rarFilePath))
             {
+                //压缩文件是否包含同名根目录(abc.rar解决后是否有一个名为abc的根目录)
+                if (archive.Entries.Where(f => f.IsDirectory && f.Key == rarFileNameWithoutExt).Count() != 1)
+                {
+                    extractPath = Path.Combine(extractPath, rarFileNameWithoutExt);
+                }
+
+                //创建解压目录
+                if (!Directory.Exists(extractPath))
+                {
+                    Directory.CreateDirectory(extractPath);
+                }
+
+                //解压所有文件到指定目录
                 foreach (var entry in archive.Entries)
                 {
                     if (!entry.IsDirectory)