.NET利用Ionic.Zip.dll进行文件压缩解压

最新推荐文章于 2025-05-03 14:14:41 发布

曹悠然

最新推荐文章于 2025-05-03 14:14:41 发布

阅读量695

点赞数 1

分类专栏： NET小记文章标签： .net c#

本文链接：https://blog.youkuaiyun.com/weixin_40233187/article/details/128277010

版权

NET小记专栏收录该内容

10 篇文章

订阅专栏

本文介绍了使用Ionic.Zip.dll组件实现文件的压缩与解压缩方法，包括普通压缩、分卷压缩及解压功能。提供了具体的C#代码实现，并设置了压缩级别、密码保护等功能。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

        //引用Ionic.Zip.dll组件
        using Ionic.Zip;
        
        /// <summary>
        /// 加压文件
        /// </summary>
        /// <param name="listPath">待加压各文件的路径</param>
        /// <param name="savePath">加压路径</param>
        public void CompressFile(List<string> testPaths, string savePath)
        {
             var coding = System.Text.Encoding.GetEncoding("gb2312");
             ZipFile zf = new ZipFile(coding);
             zf.Password = "压缩包密码";
             zf.CompressionLevel = Ionic.Zlib.CompressionLevel.Level9;
             foreach (var testPath in testPaths)
             {
                  if (!File.Exists(testPath))
                      continue;
                  zf.AddFile(testPath,".");
             }
             zf.Save(savePath);
             zf.Dispose();
        }

        /// <summary>
        /// 解压文件
        /// </summary>
        /// <param name="filePath">压缩文件路径</param>
        /// <param name="extractPath">解压目录</param>
        public void DeCompressFile(string filePath, string testPath)
        {
            if (!Directory.Exists(testPath))
                 Directory.CreateDirectory(testPath);
            var coding = System.Text.Encoding.GetEncoding("gb2312");
            ZipFile zf = new ZipFile(filePath, coding);
            zf.Password = "压缩包密码";
            zf.ExtractAll(testPath);
            zf.Dispose();
        }

        /// <summary>
        /// 分卷压缩
        /// </summary>
        /// <param name="listPath"></param>
        /// <param name="savePath"></param>
        /// <param name="password"></param>
        /// <param name="segmentSize"></param>
        public void MultiPartarChiveCompress(string SourcePath, string savePath,string password,        int fileSize)
        {
            ZipFile zip = new ZipFile(Encoding.GetEncoding("utf-8"));
            if (!string.IsNullOrEmpty(password))
                 zip.Password = password;
            zip.MaxOutputSegmentSize = fileSize;//fileSize 被压缩的文件大小
            zip.UseZip64WhenSaving = Zip64Option.Always;
            zip.BufferSize = 1024;
            zip.CaseSensitiveRetrieval = true;//是否区分大小写
            zip.CompressionLevel = Ionic.Zlib.CompressionLevel.BestCompression;//压缩等级，枚举值
            zip.AddFile(SourcePath, ".");
            zip.Save(savePath);
            zip.Dispose();
        }