/// <summary>
/// 制作压缩包（单个文件压缩）
/// </summary>
/// <param name="sourceFileName">原文件</param>
/// <param name="zipFileName">压缩文件</param>
/// <param name="zipEnum">压缩算法枚举</param>
/// <returns>压缩成功标志</returns>
public static bool ZipFile(string srcFileName, string zipFileName, ZipEnum zipEnum, ref Exception e)
{
bool flag = true;
ZipEntry ent = null;
try
{
switch (zipEnum)
{
case ZipEnum.BZIP2:
FileStream inStream = File.OpenRead(srcFileName);
FileStream outStream = File.Open(zipFileName, FileMode.Create);
//参数true表示压缩完成后，inStream和outStream连接都释放
BZip2.Compress(inStream, outStream, true, 4096);
inStream.Close();
outStream.Close();
break;
case ZipEnum.GZIP:
{
string strDirecory = zipFileName.Substring(0, zipFileName.LastIndexOf('\\'));
if (!Directory.Exists(strDirecory))
{
Directory.CreateDirectory(strDirecory);
}
FileStream srcFile = File.OpenRead(srcFileName);
ZipOutputStream zipFile = new ZipOutputStream(File.Open(zipFileName, FileMode.Create));
byte[] fileData = new byte[srcFile.Length];
srcFile.Read(fileData, 0, (int)srcFile.Length);
ent = new ZipEntry(Path.GetFileName(srcFileName));
zipFile.PutNextEntry(ent);
zipFile.SetLevel(6);
zipFile.Write(fileData, 0, fileData.Length);
srcFile.Close();
zipFile.Close();
}
break;
default: break;
}
}
catch (Exception ex)
{
e = ex;
flag = false;
}
return(flag);
}
public static bool UnZipFile(string zipFileName, string srcFileName, ZipEnum zipEnum)
{
var ret = true;
try
{
switch (zipEnum)
{
case ZipEnum.BZIP2:
var inFile = File.OpenRead(zipFileName);
var outFile = File.Open(srcFileName, FileMode.Create);
BZip2.Decompress(inFile, outFile, true);
inFile.Close();
outFile.Close();
break;
case ZipEnum.GZIP:
var srcFile = File.Open(srcFileName, FileMode.Create);
var zipFile = new GZipInputStream(File.OpenRead(zipFileName));
int buffersize = 2048; //设置缓冲区大小
byte[] fileData = new byte[buffersize]; //创建缓冲数据
while (buffersize > 0) //一直读取到文件末尾
{
buffersize = zipFile.Read(fileData, 0, buffersize);
srcFile.Write(fileData, 0, buffersize); //写入目标文件
}
srcFile.Close();
zipFile.Close();
break;
default: break;
}
}
catch (Exception)
{
ret = false;
throw;
}
return(ret);
}
/// <summary>
/// 制作压缩包（单个文件压缩）
/// </summary>
/// <param name="srcFileName">原文件</param>
/// <param name="zipFileName">压缩文件</param>
/// <param name="zipEnum">压缩算法枚举</param>
/// <returns>压缩成功标志</returns>
public static bool ZipFile(string srcFileName, string zipFileName, ZipEnum zipEnum)
{
bool flag = true;
try
{
switch (zipEnum)
{
case ZipEnum.BZIP2:
FileStream inStream = File.OpenRead(srcFileName);
FileStream outStream = File.Open(zipFileName, FileMode.Create);
//参数true表示压缩完成后，inStream和outStream连接都释放
BZip2.Compress(inStream, outStream, 4096);
inStream.Close();
outStream.Close();
break;
case ZipEnum.GZIP:
FileStream srcFile = File.OpenRead(srcFileName);
GZipOutputStream zipFile = new GZipOutputStream(File.Open(zipFileName, FileMode.Create));
byte[] fileData = new byte[srcFile.Length];
srcFile.Read(fileData, 0, (int)srcFile.Length);
zipFile.Write(fileData, 0, fileData.Length);
srcFile.Close();
zipFile.Close();
break;
default: break;
}
}
catch
{
flag = false;
}
return(flag);
}
/// <summary>
/// 解压缩包（单个文件解压缩）
/// </summary>
/// <param name="zipFileName">压缩文件</param>
/// <param name="unzipFileName">解压缩文件</param>
/// <param name="zipEnum">压缩算法枚举</param>
/// <returns>压缩成功标志</returns>
public static bool UnZipFile(string zipFileName, string unzipFileName, ZipEnum zipEnum)
{
bool flag = true;
try
{
switch (zipEnum)
{
case ZipEnum.BZIP2:
using (FileStream inStream = File.OpenRead(zipFileName))
using (FileStream outStream = File.Open(unzipFileName, FileMode.Create))
{
BZip2.Decompress(inStream, outStream, true);
}
break;
case ZipEnum.GZIP:
using (GZipInputStream zipFile = new GZipInputStream(File.OpenRead(zipFileName)))
using (FileStream destFile = File.Open(unzipFileName, FileMode.Create))
{
int bufferSize = 2048 * 2;
byte[] fileData = new byte[bufferSize];
while (bufferSize > 0)
{
bufferSize = zipFile.Read(fileData, 0, bufferSize);
destFile.Write(fileData, 0, bufferSize);
}
}
break;
default: break;
}
}
catch
{
flag = false;
}
return(flag);
}
/// <summary>
/// 制作压缩包（单个文件压缩）
/// </summary>
/// <param name="sourceFileName">原文件</param>
/// <param name="zipFileName">压缩文件</param>
/// <param name="zipEnum">压缩算法枚举</param>
/// <returns>压缩成功标志</returns>
public static bool ZipFile(string srcFileName, string zipFileName, ZipEnum zipEnum)
{
bool flag = true;
try
{
switch (zipEnum)
{
case ZipEnum.BZIP2:
using (FileStream inStream = File.OpenRead(srcFileName))
using (FileStream outStream = File.Open(zipFileName, FileMode.Create))
{
//参数true表示压缩完成后，inStream和outStream连接都释放
BZip2.Compress(inStream, outStream, true, 4096);
}
break;
case ZipEnum.GZIP:
using (FileStream srcFile = File.OpenRead(srcFileName))
using (GZipOutputStream zipFile = new GZipOutputStream(File.Open(zipFileName, FileMode.Create)))
{
byte[] fileData = new byte[srcFile.Length];
srcFile.Read(fileData, 0, (int)srcFile.Length);
zipFile.Write(fileData, 0, fileData.Length);
zipFile.Flush();
}
break;
default: break;
}
}
catch (Exception er)
{
Console.WriteLine(er.ToString());
flag = false;
}
return(flag);
}
