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参考
https://blog.csdn.net/lki_suidongdong/article/details/20942977
重点：
实现多级子目录的压缩，类似winrar，可以选择是否排除基准目录
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public
void ZipDirectoryTest()
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{
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string path = System.IO.Path.Combine(System.IO.Path.GetTempPath(), DateTime.Now.Ticks.ToString());
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foreach (string sub in
new
string[] { "bin", "release", "test", "test\\bin", "" })
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{
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string subPath = System.IO.Path.Combine(path, sub);
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if (!System.IO.Directory.Exists(subPath))
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System.IO.Directory.CreateDirectory(subPath);
9 System.IO.File.WriteAllText(System.IO.Path.Combine(subPath, "1.cs"), "");
10 System.IO.File.WriteAllText(System.IO.Path.Combine(subPath, "1.txt"), "");
11 System.IO.File.WriteAllText(System.IO.Path.Combine(subPath, "1.html"), "");
12 System.IO.File.WriteAllText(System.IO.Path.Combine(subPath, "1.bin"), "");
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}
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Console.WriteLine(path);
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new ZipHelper().ZipDirectory(path, "e:\\temp\\tt.zip",false);
18 ZipHelper.UnZip("e:\\temp\\tt.zip", "e:\\temp\\tt2");
19
//System.IO.Directory.Delete(path, true);
20
//Q.Helper.FileHelper.SelectFile(path);
21 }
代码
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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using ICSharpCode.SharpZipLib;
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using ICSharpCode.SharpZipLib.Zip;
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#if NETSTANDARD2_0
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using ICSharpCode.SharpZipLib.Checksum;
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#else
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using ICSharpCode.SharpZipLib.Checksums;
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#endif
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namespace Q.Helper.Zip
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{
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///
<summary>
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/// 适用与ZIP压缩
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///
</summary>
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public
class ZipHelper
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{
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public
int Level
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{
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get; set;
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}
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#region 压缩
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///
<summary>
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/// 递归压缩文件夹的内部方法(排除相对路径)
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///
</summary>
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///
<param name="folderToZip">要压缩的文件夹路径</param>
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///
<param name="zipStream">压缩输出流</param>
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///
<param name="parentFolderName">此文件夹的上级文件夹</param>
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///
<param name="includeFloderName">是否包含目录名</param>
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///
<returns></returns>
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private
bool ZipDirectory(string folderToZip, ZipOutputStream zipStream, string parentFolderName, bool createBaseFolder = true)
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{
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75 folderToZip = folderToZip.Replace("\\", "/");
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bool result = true;
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string[] folders, files;
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81 ZipEntry ent = null;
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83 FileStream fs = null;
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85 Crc32 crc = new Crc32();
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87
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try
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{
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string entPath = Path.Combine(parentFolderName, Path.GetFileName(folderToZip) + "/").Replace("\\", "/");
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if (!createBaseFolder)
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97 entPath = entPath.Substring(entPath.IndexOf("/") + 1);
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if (!string.IsNullOrEmpty(entPath))
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{
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103 ent = new ZipEntry(entPath);
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Console.WriteLine(entPath);
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zipStream.PutNextEntry(ent);
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zipStream.Flush();
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}
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113 files = Directory.GetFiles(folderToZip);
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foreach (string file in files)
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{
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119 fs = File.OpenRead(file);
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byte[] buffer = new
byte[fs.Length];
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125 fs.Read(buffer, 0, buffer.Length);
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127 entPath = Path.Combine(parentFolderName, Path.GetFileName(folderToZip) + "/" + Path.GetFileName(file)).Replace("\\", "/");
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129
if (!createBaseFolder)
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131 entPath = entPath.Substring(entPath.IndexOf("/") + 1);
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Console.WriteLine(entPath);
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135 ent = new ZipEntry(entPath);
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137 ent.DateTime = DateTime.Now;
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139 ent.Size = fs.Length;
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141
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fs.Close();
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145
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crc.Reset();
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crc.Update(buffer);
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151
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153 ent.Crc = crc.Value;
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zipStream.PutNextEntry(ent);
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157 zipStream.Write(buffer, 0, buffer.Length);
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}
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161
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}
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catch (Exception ex)
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{
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169 result = false;
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throw ex;
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173
}
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175
finally
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177
{
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if (fs != null)
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{
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fs.Close();
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fs.Dispose();
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}
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if (ent != null)
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{
192
193 ent = null;
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195
}
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197
GC.Collect();
198
199 GC.Collect(1);
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201
}
202
203
204
205 folders = Directory.GetDirectories(folderToZip);
206
207
//多级递归时需要记住相对目录
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209
foreach (string folder in folders)
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{
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213
if (!ZipDirectory(folder, zipStream, Path.Combine(parentFolderName, Path.GetFileName(folderToZip)), createBaseFolder))
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215
return
false;
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217
}
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219
return result;
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221
}
222
223
224
225
///
<summary>
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227
/// 压缩文件夹
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229
///
</summary>
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231
///
<param name="folderToZip">要压缩的文件夹路径</param>
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///
<param name="zipedFile">压缩文件完整路径</param>
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///
<param name="password">密码</param>
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///
<returns>是否压缩成功</returns>
238
239
public
bool ZipDirectory(string folderToZip, string zipedFile, string password, bool includeFloderName = true)
240
241
{
242
243
bool result = false;
244
245
if (!Directory.Exists(folderToZip))
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return result;
248
249
250
251 ZipOutputStream zipStream = new ZipOutputStream(File.Create(zipedFile));
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253
zipStream.SetLevel(Level);
254
255
if (!string.IsNullOrEmpty(password)) zipStream.Password = password;
256
257
258
259 result = ZipDirectory(folderToZip, zipStream, "", includeFloderName);
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261
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zipStream.Finish();
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zipStream.Close();
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267
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269
return result;
270
271
}
272
273
274
275
///
<summary>
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277
/// 压缩文件夹
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279
///
</summary>
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281
///
<param name="folderToZip">要压缩的文件夹路径</param>
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283
///
<param name="zipedFile">压缩文件完整路径</param>
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285
///
<returns>是否压缩成功</returns>
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287
public
bool ZipDirectory(string folderToZip, string zipedFile, bool includeFloderName = true)
288
289
{
290
291
bool result = ZipDirectory(folderToZip, zipedFile, "", includeFloderName);
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293
return result;
294
295
}
296
297
298
299
///
<summary>
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301
/// 压缩文件
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303
///
</summary>
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305
///
<param name="fileToZip">要压缩的文件全名</param>
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///
<param name="zipedFile">压缩后的文件名</param>
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309
///
<param name="password">密码</param>
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311
///
<returns>压缩结果</returns>
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313
public
bool ZipFile(string fileToZip, string zipedFile, string password)
314
315
{
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317
bool result = true;
318
319 ZipOutputStream zipStream = null;
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321 FileStream fs = null;
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323 ZipEntry ent = null;
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325
326
327
if (!File.Exists(fileToZip))
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329
return
false;
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331
332
333
try
334
335
{
336
337 fs = File.OpenRead(fileToZip);
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339
byte[] buffer = new
byte[fs.Length];
340
341 fs.Read(buffer, 0, buffer.Length);
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343
fs.Close();
344
345
346
347 fs = File.Create(zipedFile);
348
349 zipStream = new ZipOutputStream(fs);
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351
if (!string.IsNullOrEmpty(password)) zipStream.Password = password;
352
353 ent = new ZipEntry(Path.GetFileName(fileToZip));
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zipStream.PutNextEntry(ent);
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357
zipStream.SetLevel(Level);
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359
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361 zipStream.Write(buffer, 0, buffer.Length);
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363
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365
}
366
367
catch
368
369
{
370
371 result = false;
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}
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375
finally
376
377
{
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379
if (zipStream != null)
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381
{
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zipStream.Finish();
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zipStream.Close();
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