unity ZIP壓縮解壓 Byte[]資料壓縮解壓
阿新 • • 發佈：2019-01-04
在網上看了一些相關資源，都比較散；為了方便以後檢視，我就整理一下 記性比較差長時間不接觸說不定就忘了
我這給一個ICSharpCode.SharpZipLib的下載連結：https://pan.baidu.com/s/1o8QcYkq
朋友們也可以百度找最新的下載一個就行
public class ZIP { private static ZIP instance; public static ZIP Instance { get { if (instance == null) instance = new ZIP(); return instance; } } // Use this for initialization void Start() { } /// <summary> /// 解壓zip /// </summary> /// <param name="path"></param> public void DecompressionZIP(string path, string dirPath, Action<bool> callback = null) { Main._instance.StartCoroutine(UnzipWithPath(path, dirPath, callback)); } private int totalCount; private int doneCount; private int indicatorStep = 1; public IEnumerator UnzipWithPath(string path, string dirPath, Action<bool> callback = null) { //將codepage編碼設定對應的字元編碼 ZipConstants.DefaultCodePage = Encoding.UTF8.CodePage; //這是根目錄的路徑 //ZipEntry：檔案條目 就是該目錄下所有的檔案列表(也就是所有檔案的路徑) ZipEntry zip = null; //輸入的所有的檔案流都是儲存在這裡面的 ZipInputStream zipInStream = null; //讀取檔案流到zipInputStream zipInStream = new ZipInputStream(File.OpenRead(path)); bool isError = false; while ((zip = zipInStream.GetNextEntry()) != null) { //Debug.Log("name is:" + zip.Name + " zipStream " + zipInStream); bool error = UnzipFile(zip, zipInStream, dirPath); if (error) { UIUtils.LogError("error:錯誤！！！！！！！！！"); if (callback != null) callback(false); isError = true; break; } doneCount++; if (doneCount % indicatorStep == 0) yield return new WaitForEndOfFrame(); } try { zipInStream.Close(); } catch (Exception ex) { UIUtils.Log("UnZip Error"); throw ex; } if (!isError) { if (callback != null) callback(true); //解壓完成後刪除zip File.Delete(path); UIUtils.Log("解壓完成：" + path); } } static bool UnzipFile(ZipEntry zip, ZipInputStream zipInStream, string dirPath) { try { //檔名不為空 if (!string.IsNullOrEmpty(zip.Name)) { string filePath = dirPath; filePath += ("/" + zip.Name); if (BundleManager.Instance.CheckLoadAssetBundle(filePath)) UIUtils.LogError("刪除更新包資源"); filePath = filePath.Replace("//", "/"); UIUtils.LogError(filePath + "==" + zip.Name); //如果是一個新的檔案路徑 這裡需要建立這個檔案路徑 if (IsDirectory(filePath)) {//是資料夾則不需要處理 if (!Directory.Exists(filePath)) //沒有則夾建立資料夾 { UIUtils.LogError("建立Directory" + filePath); Directory.CreateDirectory(filePath); } UIUtils.LogError("這是資料夾"); } else { //找到資料夾 string directory = GetDirectory(filePath); UIUtils.LogError("得到檔案" + directory); if (!string.IsNullOrEmpty(filePath)) {//檢測是否有資料夾 if (!Directory.Exists(directory)) //沒有則夾建立資料夾 { UIUtils.LogError("建立Directory" + directory); Directory.CreateDirectory(directory); } } FileStream fs = null; //當前資料夾下有該檔案 刪掉 重新建立 UIUtils.LogError("檢測檔案" + filePath); if (File.Exists(filePath)) { UIUtils.LogError("Delete Files:::"); File.Delete(filePath); } UIUtils.LogError("建立檔案" + filePath); fs = File.Create(filePath); int size = 2048; byte[] data = new byte[2048]; //每次讀取2MB 直到把這個內容讀完 while (true) { size = zipInStream.Read(data, 0, data.Length); //小於0， 也就讀完了當前的流 if (size > 0) { fs.Write(data, 0, size); } else { break; } } fs.Close(); } } return false; } catch (Exception e) { UIUtils.LogError(e); return true; } } /// <summary> /// 目錄檔案 /// </summary> /// <param name="path"></param> /// <returns></returns> static string GetDirectory(string path) { for (int i = path.Length - 1; i >= 0; --i) { if (path[i] == '/') { string stringPath = new string(path.ToCharArray(), 0, i); return stringPath.ToString(); } } return null; } /// <summary> /// 是否是目錄資料夾 /// </summary> /// <param name="path"></param> /// <returns></returns> static bool IsDirectory(string path) { if (path[path.Length - 1] == '/') { return true; } return false; } /// <summary> /// 壓縮 /// </summary> /// <param name="param"></param> /// <returns></returns> public static string CompressStringToString(string param) { byte[] data = Encoding.UTF8.GetBytes(param); return CompressByteToString(data); } public static string CompressByteToString(byte[] inputBytes) { return Convert.ToBase64String(CompressByteToByte(inputBytes)); } public static byte[] CompressByteToByte(byte[] inputBytes) { MemoryStream ms = new MemoryStream(); Stream stream = new ICSharpCode.SharpZipLib.BZip2.BZip2OutputStream(ms); try { stream.Write(inputBytes, 0, inputBytes.Length); } finally { stream.Close(); ms.Close(); } return ms.ToArray(); } /// <summary> /// 解壓 /// </summary> /// <param name="param"></param> /// <returns></returns> public static string DecompressStringToString(string param) { byte[] buffer = Convert.FromBase64String(param); return DecompressByteToString(buffer) ; } public static string DecompressByteToString(byte[] inputBytes) { string commonString = ""; MemoryStream ms = new MemoryStream(inputBytes); Stream sm = new ICSharpCode.SharpZipLib.BZip2.BZip2InputStream(ms); //這裡要指明要讀入的格式，要不就有亂碼 StreamReader reader = new StreamReader(sm, Encoding.UTF8); try { commonString = reader.ReadToEnd(); } finally { sm.Close(); ms.Close(); } return commonString; } public static byte[] DecompressByteToByte(byte[] inputBytes) { MemoryStream ms = new MemoryStream(inputBytes); Stream sm = new ICSharpCode.SharpZipLib.BZip2.BZip2InputStream(ms); byte[] data = new byte[sm.Length]; int count = 0; MemoryStream re = new MemoryStream(); while ((count = sm.Read(data, 0, data.Length)) != 0) { re.Write(data, 0, count); } sm.Close(); ms.Close(); return re.ToArray(); } public static byte[] DecompressStringToByte(string param) { byte[] buffer = Convert.FromBase64String(param); MemoryStream ms = new MemoryStream(buffer); Stream sm = new ICSharpCode.SharpZipLib.BZip2.BZip2InputStream(ms); byte[] data = new byte[sm.Length]; int count = 0; MemoryStream re = new MemoryStream(); //這裡要指明要讀入的格式，要不就有亂碼 StreamReader reader = new StreamReader(sm, Encoding.UTF8); try { while ((count = sm.Read(data, 0, data.Length)) != 0) { re.Write(data, 0, count); } } finally { sm.Close(); ms.Close(); } return re.ToArray(); } }