c# unity 压缩文件夹ZIP

第一、加载Dll库 ICSharpCode.SharpZipLib  下载地址链接：https://pan.baidu.com/s/18H7k9Elq7cbqE5SyTcRPyg

第二、调用代码

static void CreateZip(string sourceFilePath, string destinationZipFilePath) {
        if(sourceFilePath[sourceFilePath.Length - 1] != System.IO.Path.DirectorySeparatorChar)
            sourceFilePath += System.IO.Path.DirectorySeparatorChar;
        ZipOutputStream zipStream = new ZipOutputStream(File.Create(destinationZipFilePath));
        zipStream.SetLevel(0);  // 压缩级别 0-9
        CreateZipFiles(sourceFilePath, zipStream, sourceFilePath.Length);
        zipStream.Finish();
        zipStream.Close();
    }

    /// 递归压缩文件
    static void CreateZipFiles(string sourceFilePath, ZipOutputStream zipStream, int subIndex) {
        Crc32 crc = new Crc32();
        string[] filesArray = Directory.GetFileSystemEntries(sourceFilePath);
        foreach(string file in filesArray) {
            if(Directory.Exists(file))                     //如果当前是文件夹，递归
            {
                CreateZipFiles(file, zipStream, subIndex);
            } else                                            //如果是文件，开始压缩
              {
                FileStream fileStream = File.OpenRead(file);
                byte[] buffer = new byte[fileStream.Length];
                fileStream.Read(buffer, 0, buffer.Length);
                string tempFile = file.Substring(subIndex);
                ZipEntry entry = new ZipEntry(tempFile);
                entry.DateTime = DateTime.Now;
                entry.Size = fileStream.Length;
                fileStream.Close();
                crc.Reset();
                crc.Update(buffer);
                entry.Crc = crc.Value;
                zipStream.PutNextEntry(entry);
                zipStream.Write(buffer, 0, buffer.Length);
            }
        }
    }

程序员事半功倍工具