ICSharpCode.SharpZipLib.dll下載地址
1、壓縮某個指定目錄下日誌，將日誌壓縮到CompressionDirectory文件夾中，並清除原來未壓縮日誌。
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#region 壓縮logs目錄下日誌
public
static
void
CompresslogDic() {
try {
string logFilePath = AppDomain.CurrentDomain.BaseDirectory +
"logs";
DirectoryInfo logsDic =
new
DirectoryInfo(logFilePath); FileInfo[] bipLog = logsDic.GetFiles();
DateTime dt = DateTime.Now;
List<FILEINFO> logsInOneDay =
new
List<FILEINFO>(); for
(int
i = 0; i < bipLog.Length; i++)
{
if
(bipLog[i].Name.Substring(bipLog[i].Name.Length -
3) !=
"zip")
{
logsInOneDay.Add(bipLog[i]);
}
}
if
(logsInOneDay.Count > 0)
{
try {
if
(!Directory.Exists(logsDic.FullName + "\\CompressionDirectory"))
{
Directory.CreateDirectory(logsDic.FullName +
"\\CompressionDirectory");
}
string compressFileName = dt.ToString("yyyy-MM-dd");
if
(File.Exists(logsDic.FullName + "\\CompressionDirectory\\"
+ dt.ToString("yyyy-MM-dd") +
".zip"))
{
Guid guid = Guid.NewGuid();
compressFileName = compressFileName +
"-"
+ guid.ToString(); }
compressFileName +=
".zip";
Compress(logsInOneDay, logsDic.FullName +
"\\CompressionDirectory\\"
+ compressFileName, 9,
100);
foreach (FileInfo fileInfo in logsInOneDay)
{
try {
fileInfo.Delete();
}
catch
(Exception e) {
//錯誤信息記錄處理
}
}
}
catch
(Exception e) {
//錯誤信息記錄處理
}
}
}
catch
(Exception e) {
//錯誤信息記錄處理
}
}
#endregion |
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#region 壓縮logs子目錄下日誌
public
static
void
CompresslogsDic() { try {
string logFilePath = AppDomain.CurrentDomain.BaseDirectory +
"logs";
DirectoryInfo logsDic =
new
DirectoryInfo(logFilePath); FileInfo[] bipLog = logsDic.GetFiles();
DateTime dt = DateTime.Now;
DirectoryInfo[] subLosgDic = logsDic.GetDirectories();
foreach (DirectoryInfo bankDic in subLosgDic)
{
dt = DateTime.Now;
bipLog = bankDic.GetFiles();
List<FILEINFO> logsInOneDay =
new
List<FILEINFO>(); for
(int
i = 0; i < bipLog.Length; i++)
{
if
(bipLog[i].Name.Substring(bipLog[i].Name.Length -
3) !=
"zip")
{
logsInOneDay.Add(bipLog[i]);
}
}
if
(logsInOneDay.Count > 0)
{
try {
if
(!Directory.Exists(bankDic.FullName + "\\CompressionDirectory"))
{
Directory.CreateDirectory(bankDic.FullName +
"\\CompressionDirectory");
}
string compressFileName = dt.ToString("yyyy-MM-dd");
if
(File.Exists(bankDic.FullName + "\\CompressionDirectory\\"
+ dt.ToString("yyyy-MM-dd") +
".zip"))
{
Guid guid = Guid.NewGuid();
compressFileName = compressFileName +
"-"
+ guid.ToString(); }
compressFileName +=
".zip";
Compress(logsInOneDay, bankDic.FullName +
"\\CompressionDirectory\\"
+ compressFileName, 9,
100);
foreach (FileInfo fileInfo in logsInOneDay)
{
try {
fileInfo.Delete();
}
catch
(Exception e) {
//錯誤信息記錄處理
}
}
}
catch
(Exception e) {
//錯誤信息記錄處理
}
}
}
}
catch
(Exception e) {
//錯誤信息記錄處理
}
} #endregion |
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#region 壓縮文件
/// <SUMMARY>
/// 壓縮文件
/// </SUMMARY>
/// <PARAM name="fileNames">要打包的文件列表</PARAM>
/// <PARAM name="GzipFileName">目標文件名</PARAM>
/// <PARAM name="CompressionLevel">壓縮品質級別（0~9）</PARAM>
/// <PARAM name="SleepTimer">休眠時間（單位毫秒）</PARAM>
public
static
void
Compress(List<FILEINFO> fileNames, string GzipFileName,
int
CompressionLevel, int
SleepTimer) { ZipOutputStream s =
new
ZipOutputStream(File.Create(GzipFileName)); try {
s.SetLevel(CompressionLevel);
//0 - store only to 9 - means best compression
foreach (FileInfo file in fileNames)
{
FileStream fs =
null;
try {
fs = file.Open(FileMode.Open, FileAccess.ReadWrite);
}
catch {
continue;
}
// 將文件分批讀入緩衝區
byte[] data =
new
byte[2048];
int
size = 2048;
ZipEntry entry =
new
ZipEntry(Path.GetFileName(file.Name)); entry.DateTime = (file.CreationTime > file.LastWriteTime ? file.LastWriteTime : file.CreationTime);
s.PutNextEntry(entry);
while
(true)
{
size = fs.Read(data,
0, size);
if
(size <= 0)
break;
s.Write(data,
0, size);
}
fs.Close();
Thread.Sleep(SleepTimer);
}
}
finally {
s.Finish();
s.Close();
}
} #endregion |
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#region 解壓縮文件
/// <SUMMARY>
/// 解壓縮文件
/// </SUMMARY>
/// <PARAM name="GzipFile">壓縮包文件名</PARAM>
/// <PARAM name="targetPath">解壓縮目標路徑</PARAM>
public
static
void
Decompress(string GzipFile, string targetPath) {
//string directoryName = Path.GetDirectoryName(targetPath + "//") + "//";
string directoryName = targetPath;
if
(!Directory.Exists(directoryName)) Directory.CreateDirectory(directoryName);//生成解壓目錄
string CurrentDirectory = directoryName;
byte[] data =
new
byte[2048];
int
size = 2048;
ZipEntry theEntry =
null;
using (ZipInputStream s =
new
ZipInputStream(File.OpenRead(GzipFile))) {
while
((theEntry = s.GetNextEntry()) != null)
{
if
(theEntry.IsDirectory) {// 該結點是目錄
if
(!Directory.Exists(CurrentDirectory + theEntry.Name)) Directory.CreateDirectory(CurrentDirectory + theEntry.Name);
}
else {
if
(theEntry.Name != String.Empty) {
//檢查多級目錄是否存在
if
(theEntry.Name.Contains("//"))
{
string parentDirPath = theEntry.Name.Remove(theEntry.Name.LastIndexOf("//")
+ 1);
if
(!Directory.Exists(parentDirPath)) {
Directory.CreateDirectory(CurrentDirectory + parentDirPath);
}
}
//解壓文件到指定的目錄
using (FileStream streamWriter = File.Create(CurrentDirectory + theEntry.Name))
{
while
(true)
{
size = s.Read(data,
0, data.Length);
if
(size <= 0)
break;
streamWriter.Write(data,
0, size);
}
streamWriter.Close();
}
}
}
}
s.Close();
}
}
#endregion |
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#region 壓縮文件夾
/// <SUMMARY>
/// 壓縮文件夾
/// </SUMMARY>
/// <PARAM name="dirPath">要打包的文件夾</PARAM>
/// <PARAM name="GzipFileName">目標文件名</PARAM>
/// <PARAM name="CompressionLevel">壓縮品質級別（0~9）</PARAM>
/// <PARAM name="deleteDir">是否刪除原文件夾</PARAM>
public
static
void
CompressDirectory(string dirPath, string GzipFileName,
int
CompressionLevel, bool deleteDir) { //壓縮文件爲空時默認與壓縮文件夾同一級目錄
if
(GzipFileName == string.Empty) {
GzipFileName = dirPath.Substring(dirPath.LastIndexOf("//")
+ 1);
GzipFileName = dirPath.Substring(0, dirPath.LastIndexOf("//"))
+ "//"
+ GzipFileName + ".zip";
}
//if (Path.GetExtension(GzipFileName) != ".zip")
//{
// GzipFileName = GzipFileName + ".zip";
//}
using (ZipOutputStream zipoutputstream =
new
ZipOutputStream(File.Create(GzipFileName))) {
zipoutputstream.SetLevel(CompressionLevel);
ICSharpCode.SharpZipLib.Checksums.Crc32 crc =
new
ICSharpCode.SharpZipLib.Checksums.Crc32(); Dictionary<STRING, DateTime> fileList = GetAllFies(dirPath);
foreach (KeyValuePair<STRING, DateTime> item in fileList)
{
FileStream fs = File.OpenRead(item.Key.ToString());
byte[] buffer =
new
byte[fs.Length];
fs.Read(buffer,
0, buffer.Length);
ZipEntry entry =
new
ZipEntry(item.Key.Substring(dirPath.Length)); entry.DateTime = item.Value;
entry.Size = fs.Length;
fs.Close();
crc.Reset();
crc.Update(buffer);
entry.Crc = crc.Value;
zipoutputstream.PutNextEntry(entry);
zipoutputstream.Write(buffer,
0, buffer.Length);
}
}
if
(deleteDir) {
Directory.Delete(dirPath,
true);
}
} #endregion |
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#region 獲取所有文件
/// <SUMMARY>
/// 獲取所有文件
/// </SUMMARY>
/// <RETURNS></RETURNS>
private
static
Dictionary<STRING, DateTime> GetAllFies(string dir)
{ Dictionary<STRING, DateTime> FilesList =
new
Dictionary<STRING, DateTime>(); DirectoryInfo fileDire =
new
DirectoryInfo(dir); if
(!fileDire.Exists) {
throw
new
System.IO.FileNotFoundException("目錄:"
+ fileDire.FullName + "沒有找到!");
}
GetAllDirFiles(fileDire, FilesList);
GetAllDirsFiles(fileDire.GetDirectories(), FilesList);
return
FilesList; } #endregion |
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#region 獲取一個文件夾下的所有文件夾裏的文件
/// <SUMMARY>
/// 獲取一個文件夾下的所有文件夾裏的文件
/// </SUMMARY>
/// <PARAM name="dirs"></PARAM>
/// <PARAM name="filesList"></PARAM>
private
static
void
GetAllDirsFiles(DirectoryInfo[] dirs, Dictionary<STRING, DateTime> filesList)
{ foreach (DirectoryInfo dir in dirs)
{
foreach (FileInfo file in dir.GetFiles("*.*"))
{
filesList.Add(file.FullName, file.LastWriteTime);
}
GetAllDirsFiles(dir.GetDirectories(), filesList);
}
} #endregion |
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#region 獲取一個文件夾下的文件
/// <SUMMARY>
/// 獲取一個文件夾下的文件
/// </SUMMARY>
/// <PARAM name="dir">目錄名稱</PARAM>
/// <PARAM name="filesList">文件列表HastTable</PARAM>
private
static
void
GetAllDirFiles(DirectoryInfo dir, Dictionary<STRING, DateTime> filesList)
{ foreach (FileInfo file in dir.GetFiles("*.*"))
{
filesList.Add(file.FullName, file.LastWriteTime);
}
} #endregion |