相关文档
中文路径名乱码问题
private static void SetCode()
{
// 需要注意的是 默认编码如果有中文的文件名或目录将会乱码，甚至解压的数据出错。所以设置一下支持中文的编码
ZipConstants.DefaultCodePage = Encoding.UTF8.CodePage;
}
ZipHelper.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using ICSharpCode.SharpZipLib;
using ICSharpCode.SharpZipLib.Zip;
using ICSharpCode.SharpZipLib.Checksums;
/// <summary>
/// 适用与ZIP压缩
/// </summary>
public class ZipHelper
{
private static void SetCode()
{
// 需要注意的是 默认编码如果有中文的文件名或目录将会乱码，甚至解压的数据出错。所以设置一下支持中文的编码
ZipConstants.DefaultCodePage = Encoding.UTF8.CodePage;
}
private static List<string> ignoreExts = new List<string>(new string[]{ ".meta", ".manifest"});
private static List<string> ignoreFiles = new List<string>(new string[]{ ".ds_store"});
#region 压缩
/// <summary>
/// 递归压缩文件夹的内部方法
/// </summary>
/// <param name="folderToZip">要压缩的文件夹路径</param>
/// <param name="zipStream">压缩输出流</param>
/// <param name="parentFolderName">此文件夹的上级文件夹</param>
/// <returns></returns>
private static bool ZipDirectory(string folderToZip, ZipOutputStream zipStream, string parentFolderName)
{
SetCode();
bool result = true;
string[] folders, files;
ZipEntry ent = null;
FileStream fs = null;
FileInfo fileInfo = null;
Crc32 crc = new Crc32();
try
{
folders = Directory.GetDirectories(folderToZip, "*", SearchOption.AllDirectories);
files = Directory.GetFiles(folderToZip, "*.*", SearchOption.AllDirectories)
.Where(s => !ignoreExts.Contains(Path.GetExtension(s).ToLower()) && !ignoreFiles.Contains(Path.GetFileName(s).ToLower()) ).ToArray();
parentFolderName = folderToZip;
if (!parentFolderName.EndsWith("/"))
parentFolderName += "/";
// 可以不需要压入文件夹。压人后在Mac下用默认的zip工具解压不了
// foreach(string folder in folders)
// {
// ent = new ZipEntry(folder.Replace(parentFolderName, "") + "/");
// zipStream.PutNextEntry(ent);
// zipStream.Flush();
// }
foreach(string file in files)
{
fileInfo = new FileInfo(file);
fs = File.OpenRead(file);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
ent = new ZipEntry(file.Replace(parentFolderName, ""));
ent.DateTime = fileInfo.LastWriteTime;
ent.Size = fs.Length;
fs.Close();
crc.Reset();
crc.Update(buffer);
ent.Crc = crc.Value;
zipStream.PutNextEntry(ent);
zipStream.Write(buffer, 0, buffer.Length);
}
}
catch
{
result = false;
}
finally
{
if (fs != null)
{
fs.Close();
fs.Dispose();
}
if (ent != null)
{
ent = null;
}
GC.Collect();
GC.Collect(1);
}
return result;
}
/// <summary>
/// 压缩文件夹
/// </summary>
/// <param name="folderToZip">要压缩的文件夹路径</param>
/// <param name="zipedFile">压缩文件完整路径</param>
/// <param name="password">密码</param>
/// <returns>是否压缩成功</returns>
public static bool ZipDirectory(string folderToZip, string zipedFile, string password)
{
bool result = false;
if (!Directory.Exists(folderToZip))
return result;
ZipOutputStream zipStream = new ZipOutputStream(File.Create(zipedFile));
zipStream.SetLevel(9);
if (!string.IsNullOrEmpty(password)) zipStream.Password = password;
string fullPath = Path.GetFullPath(folderToZip);
string parentPath = Path.GetFullPath(fullPath + "/../");
result = ZipDirectory(fullPath, zipStream, parentPath);
zipStream.Finish();
zipStream.Close();
return result;
}
/// <summary>
/// 压缩文件夹
/// </summary>
/// <param name="folderToZip">要压缩的文件夹路径</param>
/// <param name="zipedFile">压缩文件完整路径</param>
/// <returns>是否压缩成功</returns>
public static bool ZipDirectory(string folderToZip, string zipedFile)
{
bool result = ZipDirectory(folderToZip, zipedFile, null);
return result;
}
/// <summary>
/// 压缩文件
/// </summary>
/// <param name="fileToZip">要压缩的文件全名</param>
/// <param name="zipedFile">压缩后的文件名</param>
/// <param name="password">密码</param>
/// <returns>压缩结果</returns>
public static bool ZipFile(string fileToZip, string zipedFile, string password)
{
SetCode();
bool result = true;
ZipOutputStream zipStream = null;
FileStream fs = null;
ZipEntry ent = null;
if (!File.Exists(fileToZip))
return false;
try
{
fs = File.OpenRead(fileToZip);
byte[] buffer = new byte[fs.Length];
fs.Read(buffer, 0, buffer.Length);
fs.Close();
fs = File.Create(zipedFile);
zipStream = new ZipOutputStream(fs);
if (!string.IsNullOrEmpty(password)) zipStream.Password = password;
ent = new ZipEntry(Path.GetFileName(fileToZip));
zipStream.PutNextEntry(ent);
zipStream.SetLevel(6);
zipStream.Write(buffer, 0, buffer.Length);
}
catch
{
result = false;
}
finally
{
if (zipStream != null)
{
zipStream.Finish();
zipStream.Close();
}
if (ent != null)
{
ent = null;
}
if (fs != null)
{
fs.Close();
fs.Dispose();
}
}
GC.Collect();
GC.Collect(1);
return result;
}
/// <summary>
/// 压缩文件
/// </summary>
/// <param name="fileToZip">要压缩的文件全名</param>
/// <param name="zipedFile">压缩后的文件名</param>
/// <returns>压缩结果</returns>
public static bool ZipFile(string fileToZip, string zipedFile)
{
bool result = ZipFile(fileToZip, zipedFile, null);
return result;
}
/// <summary>
/// 压缩文件或文件夹
/// </summary>
/// <param name="fileToZip">要压缩的路径</param>
/// <param name="zipedFile">压缩后的文件名</param>
/// <param name="password">密码</param>
/// <returns>压缩结果</returns>
public static bool Zip(string fileToZip, string zipedFile, string password)
{
bool result = false;
if (Directory.Exists(fileToZip))
result = ZipDirectory(fileToZip, zipedFile, password);
else if (File.Exists(fileToZip))
result = ZipFile(fileToZip, zipedFile, password);
return result;
}
/// <summary>
/// 压缩文件或文件夹
/// </summary>
/// <param name="fileToZip">要压缩的路径</param>
/// <param name="zipedFile">压缩后的文件名</param>
/// <returns>压缩结果</returns>
public static bool Zip(string fileToZip, string zipedFile)
{
bool result = Zip(fileToZip, zipedFile, null);
return result;
}
#endregion
#region 解压
/// <summary>
/// 解压功能(解压压缩文件到指定目录)
/// </summary>
/// <param name="fileToUnZip">待解压的文件</param>
/// <param name="zipedFolder">指定解压目标目录</param>
/// <param name="password">密码</param>
/// <returns>解压结果</returns>
public static bool UnZip(string zipFilePath, string unZipDir, string password)
{
try
{
SetCode();
if (zipFilePath == string.Empty)
{
throw new Exception("压缩文件不能为空！");
}
if (!File.Exists(zipFilePath))
{
throw new FileNotFoundException("压缩文件不存在！");
}
//解压文件夹为空时默认与压缩文件同一级目录下，跟压缩文件同名的文件夹
if (unZipDir == string.Empty)
unZipDir = zipFilePath.Replace(Path.GetFileName(zipFilePath), Path.GetFileNameWithoutExtension(zipFilePath));
if (!unZipDir.EndsWith("/"))
unZipDir += "/";
UnZip(File.OpenRead(zipFilePath), unZipDir, password);
}
catch(Exception e)
{
UnityEngine.Debug.LogError(e);
return false;
}
return true;
}
public static bool UnZip(Stream baseInputStream, string unZipDir, string password)
{
try
{
SetCode();
if (!unZipDir.EndsWith("/"))
unZipDir += "/";
if (!Directory.Exists(unZipDir))
Directory.CreateDirectory(unZipDir);
using (var s = new ZipInputStream(baseInputStream))
{
if(!string.IsNullOrEmpty(password)) s.Password = password;
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
if (!string.IsNullOrEmpty(directoryName))
{
Directory.CreateDirectory(unZipDir + directoryName);
}
if (directoryName != null && !directoryName.EndsWith("/"))
{
}
if (fileName != String.Empty)
{
using (FileStream streamWriter = File.Create(unZipDir + theEntry.Name))
{
int size;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
streamWriter.Write(data, 0, size);
}
else
{
break;
}
}
}
}
}
}
}
catch(Exception e)
{
UnityEngine.Debug.LogError(e);
return false;
}
return true;
}
/// <summary>
/// 解压功能(解压压缩文件到指定目录)
/// </summary>
/// <param name="fileToUnZip">待解压的文件</param>
/// <param name="zipedFolder">指定解压目标目录</param>
/// <returns>解压结果</returns>
public static bool UnZip(string fileToUnZip, string zipedFolder)
{
bool result = UnZip(fileToUnZip, zipedFolder, null);
return result;
}
public static bool UnZip(Stream baseInputStream, string unZipDir)
{
return UnZip(baseInputStream, unZipDir, null);
}
public static bool UnZip(byte[] data, string unZipDir)
{
MemoryStream stream = new MemoryStream(data);
stream.Position = 0;
bool result = UnZip(stream, unZipDir, null);
stream.Dispose();
stream.Close();
return result;
}
#endregion
}
测试
using UnityEngine;
using System.Collections;
using System.IO;
public class TestZip : MonoBehaviour {
[ContextMenu("ZipDir")]
public void ZipDir()
{
string dir = "dir";
string zipFile = "blog.zip";
ZipHelper.ZipDirectory(dir, zipFile);
}
[ContextMenu("UnZip")]
public void UnZip()
{
string zipFile = "blog.zip";
string outDir = "zipout";
ZipHelper.UnZip(zipFile, outDir);
}
[ContextMenu("UnZip2")]
public void UnZip2()
{
StartCoroutine(LoadZip());
}
IEnumerator LoadZip()
{
string zipFile = "blog.zip";
string outDir = "zipout";
WWW www = new WWW("file:///" + Application.dataPath + "/../" + zipFile);
yield return www;
ZipHelper.UnZip(www.bytes, outDir);
}
}