C# ZipHelper C#公共类 -- ZipArchive实现压缩和解压
从网上找来个ZipArchive来压缩和解压缩的类，供参考吧
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using Shared; namespace Helpers
{
public static class ZipFileHelper {
#region Methods /// <summary>
/// 创建 zip 存档，该存档包含指定目录的文件和目录。
/// </summary>
/// <param name="sourceDirectoryName">要存档的目录的路径，指定为相对路径或绝对路径。 相对路径是指相对于当前工作目录的路径。</param>
/// <param name="destinationArchiveFileName">要生成的存档路径，指定为相对路径或绝对路径。 相对路径是指相对于当前工作目录的路径。</param>
/// <param name="compressionLevel"></param>
/// <param name="includeBaseDirectory">压缩包中是否包含父目录</param>
public static bool CreatZipFileFromDirectory(string sourceDirectoryName, string destinationArchiveFileName,
CompressionLevel compressionLevel = CompressionLevel.NoCompression,
bool includeBaseDirectory = true)
{
try
{
if (Directory.Exists(sourceDirectoryName)) //目录
if (!File.Exists(destinationArchiveFileName))
{
ZipFile.CreateFromDirectory(sourceDirectoryName, destinationArchiveFileName,
compressionLevel, includeBaseDirectory);
}
else
{
var toZipFileDictionaryList = GetAllDirList(sourceDirectoryName, includeBaseDirectory); using (
var archive = ZipFile.Open(destinationArchiveFileName, ZipArchiveMode.Update)
)
{
foreach (var toZipFileKey in toZipFileDictionaryList.Keys)
if (toZipFileKey != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(toZipFileKey);
var toDelArchives = new List<ZipArchiveEntry>();
foreach (var zipArchiveEntry in archive.Entries)
if (toZipedFileName != null &&
(zipArchiveEntry.FullName.StartsWith(toZipedFileName) ||
toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
toDelArchives.Add(zipArchiveEntry);
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(toZipFileKey, toZipFileDictionaryList[toZipFileKey],
compressionLevel);
}
}
}
else if (File.Exists(sourceDirectoryName))
if (!File.Exists(destinationArchiveFileName))
ZipFile.CreateFromDirectory(sourceDirectoryName, destinationArchiveFileName,
compressionLevel, false);
else
using (
var archive = ZipFile.Open(destinationArchiveFileName, ZipArchiveMode.Update)
)
{
if (sourceDirectoryName != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(sourceDirectoryName);
var toDelArchives = new List<ZipArchiveEntry>();
foreach (var zipArchiveEntry in archive.Entries)
if (toZipedFileName != null &&
(zipArchiveEntry.FullName.StartsWith(toZipedFileName) ||
toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
toDelArchives.Add(zipArchiveEntry);
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(sourceDirectoryName, toZipedFileName, compressionLevel);
}
}
else
return false;
return true;
}
catch (Exception exception)
{
LogHelper.LogError("Error! ", exception);
MessageBox.Show(exception.StackTrace, exception.Source);
return false;
}
} /// <summary>
/// 创建 zip 存档，该存档包含指定目录的文件和目录。
/// </summary>
/// <param name="sourceDirectoryName">要存档的目录的路径，指定为相对路径或绝对路径。 相对路径是指相对于当前工作目录的路径。</param>
/// <param name="destinationArchiveFileName">要生成的存档路径，指定为相对路径或绝对路径。 相对路径是指相对于当前工作目录的路径。</param>
/// <param name="compressionLevel"></param>
public static bool CreatZipFileFromDictionary(Dictionary<string, string> sourceDirectoryName,
string destinationArchiveFileName,
CompressionLevel compressionLevel = CompressionLevel.NoCompression)
{
try
{
using (FileStream zipToOpen = new FileStream(destinationArchiveFileName, FileMode.OpenOrCreate))
{
using (ZipArchive archive = new ZipArchive(zipToOpen, ZipArchiveMode.Update))
{
foreach (var toZipFileKey in sourceDirectoryName.Keys)
if (toZipFileKey != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(toZipFileKey);
var toDelArchives = new List<ZipArchiveEntry>();
foreach (var zipArchiveEntry in archive.Entries)
if (toZipedFileName != null &&
(zipArchiveEntry.FullName.StartsWith(toZipedFileName) ||
toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
toDelArchives.Add(zipArchiveEntry);
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(toZipFileKey, sourceDirectoryName[toZipFileKey],
compressionLevel);
}
}
}
return true;
}
catch (Exception exception)
{
LogHelper.LogError("Error! ", exception);
MessageBox.Show(exception.StackTrace, exception.Source);
return false;
}
} /// <summary>
/// 递归删除文件夹目录及文件
/// </summary>
/// <param name="baseDirectory"></param>
/// <returns></returns>
public static bool DeleteFolder(string baseDirectory)
{
var successed = true;
try
{
if (Directory.Exists(baseDirectory)) //如果存在这个文件夹删除之
{
foreach (var directory in Directory.GetFileSystemEntries(baseDirectory))
if (File.Exists(directory))
File.Delete(directory); //直接删除其中的文件
else
successed = DeleteFolder(directory); //递归删除子文件夹
Directory.Delete(baseDirectory); //删除已空文件夹
}
}
catch (Exception exception)
{
LogHelper.LogError("Error! ", exception);
successed = false;
}
return successed;
} /// <summary>
/// 调用bat删除目录，以防止系统底层的异步删除机制
/// </summary>
/// <param name="dirPath"></param>
/// <returns></returns>
public static bool DeleteDirectoryWithCmd(string dirPath)
{
var process = new Process(); //string path = ...;//bat路径
var processStartInfo = new ProcessStartInfo("CMD.EXE", "/C rd /S /Q \"" + dirPath + "\"")
{
UseShellExecute = false,
RedirectStandardOutput = true
}; //第二个参数为传入的参数，string类型以空格分隔各个参数
process.StartInfo = processStartInfo;
process.Start();
process.WaitForExit();
var output = process.StandardOutput.ReadToEnd();
if (string.IsNullOrWhiteSpace(output))
return true;
return false;
} /// <summary>
/// 调用bat删除文件，以防止系统底层的异步删除机制
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public static bool DelFileWithCmd(string filePath)
{
var process = new Process(); //string path = ...;//bat路径
var processStartInfo = new ProcessStartInfo("CMD.EXE", "/C del /F /S /Q \"" + filePath + "\"")
{
UseShellExecute = false,
RedirectStandardOutput = true
}; //第二个参数为传入的参数，string类型以空格分隔各个参数
process.StartInfo = processStartInfo;
process.Start();
process.WaitForExit();
var output = process.StandardOutput.ReadToEnd();
if (output.Contains(filePath))
return true;
return false;
} /// <summary>
/// 获取目录下所有[文件名，要压缩的相对文件名]字典
/// </summary>
/// <param name="strBaseDir"></param>
/// <param name="includeBaseDirectory"></param>
/// <param name="namePrefix"></param>
/// <returns></returns>
public static Dictionary<string, string> GetAllDirList(string strBaseDir,
bool includeBaseDirectory = false, string namePrefix = "")
{
var resultDictionary = new Dictionary<string, string>();
var directoryInfo = new DirectoryInfo(strBaseDir);
var directories = directoryInfo.GetDirectories();
var fileInfos = directoryInfo.GetFiles();
if (includeBaseDirectory)
namePrefix += directoryInfo.Name + "\\";
foreach (var directory in directories)
resultDictionary =
resultDictionary.Concat(GetAllDirList(directory.FullName, true, namePrefix))
.ToDictionary(k => k.Key, k => k.Value); //.FullName是某个子目录的绝对地址，
foreach (var fileInfo in fileInfos)
if (!resultDictionary.ContainsKey(fileInfo.FullName))
resultDictionary.Add(fileInfo.FullName, namePrefix + fileInfo.Name);
return resultDictionary;
} /// <summary>
/// Zip解压并更新目标文件
/// </summary>
/// <param name="zipFilePath">Zip压缩包路径</param>
/// <param name="unZipDir">解压目标路径</param>
/// <returns></returns>
public static bool UnZip(string zipFilePath, string unZipDir)
{
bool resualt;
try
{
unZipDir = unZipDir.EndsWith(@"\") ? unZipDir : unZipDir + @"\";
var directoryInfo = new DirectoryInfo(unZipDir);
if (!directoryInfo.Exists)
directoryInfo.Create();
var fileInfo = new FileInfo(zipFilePath);
if (!fileInfo.Exists)
return false;
using (
var zipToOpen = new FileStream(zipFilePath, FileMode.Open, FileAccess.ReadWrite,
FileShare.Read))
{
using (var archive = new ZipArchive(zipToOpen, ZipArchiveMode.Read))
{
foreach (var zipArchiveEntry in archive.Entries)
if (!zipArchiveEntry.FullName.EndsWith("/"))
{
var entryFilePath = Regex.Replace(zipArchiveEntry.FullName.Replace("/", @"\"),
@"^\\*", "");
var filePath = directoryInfo + entryFilePath; //设置解压路径
var content = new byte[zipArchiveEntry.Length];
zipArchiveEntry.Open().Read(content, , content.Length); if (File.Exists(filePath) && content.Length == new FileInfo(filePath).Length)
continue; //跳过相同的文件，否则覆盖更新 var sameDirectoryNameFilePath = new DirectoryInfo(filePath);
if (sameDirectoryNameFilePath.Exists)
{
sameDirectoryNameFilePath.Delete(true);
DeleteDirectoryWithCmd(filePath);
/*if (!DeleteDirectoryWithCmd(filePath))
{
Console.WriteLine(filePath + "删除失败");
resualt = false;
break;
}*/
}
var sameFileNameFilePath = new FileInfo(filePath);
if (sameFileNameFilePath.Exists)
{
sameFileNameFilePath.Delete();
DelFileWithCmd(filePath);
/*if (!DelFileWithCmd(filePath))
{
Console.WriteLine(filePath + "删除失败");
resualt = false;
break;
}*/
}
var greatFolder = Directory.GetParent(filePath);
if (!greatFolder.Exists) greatFolder.Create();
File.WriteAllBytes(filePath, content);
}
}
}
resualt = true;
}
catch
(Exception exception)
{
LogHelper.LogError("Error! ", exception);
resualt = false;
}
return resualt;
} #endregion
}
}
出处：https://www.cnblogs.com/Chary/p/No0000DF.html
==============================================
自己在项目中的使用：
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Diagnostics;
using System.Text.RegularExpressions;
using System.Windows.Forms; namespace Car.AutoUpdate.Comm
{
public class ZipArchiveHelper
{ #region Methods /// <summary>
/// 创建 zip 存档，该文档包含指定目录的文件和子目录。
/// </summary>
/// <param name="sourceDirectoryName">将要压缩存档的文件目录的路径，可以为相对路径或绝对路径。 相对路径是指相对于当前工作目录的路径。</param>
/// <param name="destinationArchiveFileName">将要生成的压缩包的存档路径，可以为相对路径或绝对路径。相对路径是指相对于当前工作目录的路径。</param>
/// <param name="compressionLevel">指示压缩操作是强调速度还是强调压缩大小的枚举值</param>
/// <param name="includeBaseDirectory">压缩包中是否包含父目录</param>
public static bool CreatZip(string sourceDirectoryName, string destinationArchiveFileName, CompressionLevel compressionLevel = CompressionLevel.NoCompression, bool includeBaseDirectory = true)
{
try
{
if (Directory.Exists(sourceDirectoryName))
if (!File.Exists(destinationArchiveFileName))
{
ZipFile.CreateFromDirectory(sourceDirectoryName, destinationArchiveFileName, compressionLevel, includeBaseDirectory);
}
else
{
var toZipFileDictionaryList = GetAllDirList(sourceDirectoryName, includeBaseDirectory);
using (var archive = ZipFile.Open(destinationArchiveFileName, ZipArchiveMode.Update))
{
foreach (var toZipFileKey in toZipFileDictionaryList.Keys)
if (toZipFileKey != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(toZipFileKey);
var toDelArchives = new List<ZipArchiveEntry>();
foreach (var zipArchiveEntry in archive.Entries)
if (toZipedFileName != null && (zipArchiveEntry.FullName.StartsWith(toZipedFileName) || toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
toDelArchives.Add(zipArchiveEntry);
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(toZipFileKey, toZipFileDictionaryList[toZipFileKey], compressionLevel);
}
}
}
else if (File.Exists(sourceDirectoryName))
if (!File.Exists(destinationArchiveFileName))
ZipFile.CreateFromDirectory(sourceDirectoryName, destinationArchiveFileName, compressionLevel, false);
else
using (var archive = ZipFile.Open(destinationArchiveFileName, ZipArchiveMode.Update))
{
if (sourceDirectoryName != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(sourceDirectoryName);
var toDelArchives = new List<ZipArchiveEntry>();
foreach (var zipArchiveEntry in archive.Entries)
if (toZipedFileName != null && (zipArchiveEntry.FullName.StartsWith(toZipedFileName) || toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
toDelArchives.Add(zipArchiveEntry);
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(sourceDirectoryName, toZipedFileName, compressionLevel);
}
}
else
return false;
return true;
}
catch (Exception ex)
{
LogHelper.Error("Error! ", ex);
//MessageBox.Show(ex.StackTrace, ex.Source);
UtilityHelper.ShowMessageDialog(ex.StackTrace);
return false;
}
} /// <summary>
/// 创建 zip 存档，该存档包含指定目录的文件和目录。
/// </summary>
/// <param name="sourceDirectoryName">将要压缩存档的文件目录的路径，可以为相对路径或绝对路径。 相对路径是指相对于当前工作目录的路径。</param>
/// <param name="destinationArchiveFileName">将要生成的压缩包的存档路径，可以为相对路径或绝对路径。 相对路径是指相对于当前工作目录的路径。</param>
/// <param name="compressionLevel">指示压缩操作是强调速度还是强调压缩大小的枚举值</param>
public static bool CreatZip(Dictionary<string, string> sourceDirectoryName, string destinationArchiveFileName, CompressionLevel compressionLevel = CompressionLevel.NoCompression)
{
try
{
using (FileStream zipToOpen = new FileStream(destinationArchiveFileName, FileMode.OpenOrCreate))
{
using (ZipArchive archive = new ZipArchive(zipToOpen, ZipArchiveMode.Update))
{
foreach (var toZipFileKey in sourceDirectoryName.Keys)
if (toZipFileKey != destinationArchiveFileName)
{
var toZipedFileName = Path.GetFileName(toZipFileKey);
var toDelArchives = new List<ZipArchiveEntry>();
foreach (var zipArchiveEntry in archive.Entries)
if (toZipedFileName != null && (zipArchiveEntry.FullName.StartsWith(toZipedFileName) || toZipedFileName.StartsWith(zipArchiveEntry.FullName)))
toDelArchives.Add(zipArchiveEntry);
foreach (var zipArchiveEntry in toDelArchives)
zipArchiveEntry.Delete();
archive.CreateEntryFromFile(toZipFileKey, sourceDirectoryName[toZipFileKey], compressionLevel);
}
}
}
return true;
}
catch (Exception ex)
{
LogHelper.Error("Error! ", ex);
UtilityHelper.ShowMessageDialog(ex.StackTrace);
return false;
}
} /// <summary>
/// 递归删除磁盘上的指定文件夹目录及文件
/// </summary>
/// <param name="baseDirectory"></param>
/// <returns></returns>
private static bool DeleteFolder(string baseDirectory)
{
var successed = true;
try
{
if (Directory.Exists(baseDirectory)) //如果存在这个文件夹删除之
{
foreach (var directory in Directory.GetFileSystemEntries(baseDirectory))
if (File.Exists(directory))
File.Delete(directory); //直接删除其中的文件
else
successed = DeleteFolder(directory); //递归删除子文件夹
Directory.Delete(baseDirectory); //删除已空文件夹
}
}
catch (Exception ex)
{
LogHelper.Error("Error! ", ex);
successed = false;
}
return successed;
} /// <summary>
/// 调用CMD，命令行删除磁盘上的指定目录，以防止系统底层的异步删除机制
/// </summary>
/// <param name="dirPath"></param>
/// <returns></returns>
private static bool DeleteDirectoryWithCmd(string dirPath)
{
var process = new Process();
//ProcessStartInfo构造方法的第二个参数是执行第一个命令的所需要传入的参数，以空格分隔各个参数
var processStartInfo = new ProcessStartInfo("CMD.EXE", "/C rd /S /Q \"" + dirPath + "\"") { UseShellExecute = false, RedirectStandardOutput = true };
process.StartInfo = processStartInfo;
process.Start();
process.WaitForExit();
var output = process.StandardOutput.ReadToEnd();
if (string.IsNullOrWhiteSpace(output))
return true;
return false;
} /// <summary>
/// 调用CMD，命令行删除磁盘上的指定目录，以防止系统底层的异步删除机制
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
private static bool DelFileWithCmd(string filePath)
{
var process = new Process();
//ProcessStartInfo构造方法的第二个参数是执行第一个命令的所需要传入的参数，以空格分隔各个参数
var processStartInfo = new ProcessStartInfo("CMD.EXE", "/C del /F /S /Q \"" + filePath + "\"") { UseShellExecute = false, RedirectStandardOutput = true };
process.StartInfo = processStartInfo;
process.Start();
process.WaitForExit();
var output = process.StandardOutput.ReadToEnd();
if (output.Contains(filePath))
return true;
return false;
} /// <summary>
/// 递归获取磁盘上的指定目录下所有文件的集合，返回类型是：字典[文件名，要压缩的相对文件名]
/// </summary>
/// <param name="strBaseDir"></param>
/// <param name="includeBaseDirectory"></param>
/// <param name="namePrefix"></param>
/// <returns></returns>
private static Dictionary<string, string> GetAllDirList(string strBaseDir, bool includeBaseDirectory = false, string namePrefix = "")
{
var resultDictionary = new Dictionary<string, string>();
var directoryInfo = new DirectoryInfo(strBaseDir);
var directories = directoryInfo.GetDirectories();
var fileInfos = directoryInfo.GetFiles();
if (includeBaseDirectory)
namePrefix += directoryInfo.Name + "\\";
foreach (var directory in directories)
resultDictionary = resultDictionary.Concat(GetAllDirList(directory.FullName, true, namePrefix)).ToDictionary(k => k.Key, k => k.Value); //FullName是某个子目录的绝对地址，
foreach (var fileInfo in fileInfos)
if (!resultDictionary.ContainsKey(fileInfo.FullName))
resultDictionary.Add(fileInfo.FullName, namePrefix + fileInfo.Name);
return resultDictionary;
} /// <summary>
/// 解压Zip文件，并覆盖保存到指定的目标路径文件夹下
/// </summary>
/// <param name="zipFilePath">将要解压缩的zip文件的路径</param>
/// <param name="unZipDir">解压后将zip中的文件存储到磁盘的目标路径</param>
/// <returns></returns>
public static bool UnZip(string zipFilePath, string unZipDir)
{
bool resualt;
try
{
unZipDir = unZipDir.EndsWith(@"\") ? unZipDir : unZipDir + @"\";
var directoryInfo = new DirectoryInfo(unZipDir);
if (!directoryInfo.Exists)
directoryInfo.Create();
var fileInfo = new FileInfo(zipFilePath);
if (!fileInfo.Exists)
return false;
using (var zipToOpen = new FileStream(zipFilePath, FileMode.Open, FileAccess.ReadWrite, FileShare.Read))
{
using (var archive = new ZipArchive(zipToOpen, ZipArchiveMode.Read))
{
foreach (var zipArchiveEntry in archive.Entries)
if (!zipArchiveEntry.FullName.EndsWith("/"))
{
var entryFilePath = Regex.Replace(zipArchiveEntry.FullName.Replace("/", @"\"), @"^\\*", "");
var filePath = directoryInfo + entryFilePath; //设置解压路径
var content = new byte[zipArchiveEntry.Length];
zipArchiveEntry.Open().Read(content, , content.Length); // mq 2019-06-14: 注销下面的代码，全部覆盖现有文件
//if (File.Exists(filePath) && content.Length == new FileInfo(filePath).Length)
//{
// continue; //跳过相同的文件，否则覆盖更新
//}
//var sameDirectoryNameFilePath = new DirectoryInfo(filePath);
//if (sameDirectoryNameFilePath.Exists)
//{
// sameDirectoryNameFilePath.Delete(true);
// DeleteDirectoryWithCmd(filePath);
//}
//var sameFileNameFilePath = new FileInfo(filePath);
//if (sameFileNameFilePath.Exists)
//{
// sameFileNameFilePath.Delete();
// DelFileWithCmd(filePath);
// /*if (!DelFileWithCmd(filePath))
// {
// Console.WriteLine(filePath + "删除失败");
// resualt = false;
// break;
// }*/
//} var greatFolder = Directory.GetParent(filePath);
if (!greatFolder.Exists)
greatFolder.Create();
File.WriteAllBytes(filePath, content);
}
}
}
resualt = true;
}
catch (Exception ex)
{
LogHelper.Error("Error! ", ex);
resualt = false;
}
return resualt;
} /// <summary>
/// 获取Zip压缩包中的文件列表
/// </summary>
/// <param name="zipFilePath">Zip压缩包文件的物理路径</param>
/// <returns></returns>
public static List<string> GetZipFileList(string zipFilePath)
{
List<string> fList = new List<string>();
if (!File.Exists(zipFilePath))
return fList;
try
{
using (var zipToOpen = new FileStream(zipFilePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var archive = new ZipArchive(zipToOpen, ZipArchiveMode.Read))
{
foreach (var zipArchiveEntry in archive.Entries)
if (!zipArchiveEntry.FullName.EndsWith("/"))
fList.Add(Regex.Replace(zipArchiveEntry.FullName.Replace("/", @"\"), @"^\\*", ""));
}
}
}
catch (Exception ex)
{
LogHelper.Error("Error! ", ex);
}
return fList;
} #endregion
}
}
C# ZipHelper C#公共类 -- ZipArchive实现压缩和解压的更多相关文章
- PHP扩展类ZipArchive实现压缩解压Zip文件和文件打包下载
文章转载自:https://my.oschina.net/junn/blog/104464 PHP ZipArchive 是PHP自带的扩展类,可以轻松实现ZIP文件的压缩和解压,使用前首先要确保PH ...
- PHP扩展类ZipArchive实现压缩解压Zip文件和文件打包下载 && Linux下的ZipArchive配置开启压缩 &&搞个鸡巴毛，写少了个‘/’号，浪费了一天
PHP ZipArchive 是PHP自带的扩展类,可以轻松实现ZIP文件的压缩和解压,使用前首先要确保PHP ZIP 扩展已经开启,具体开启方法就不说了,不同的平台开启PHP扩增的方法网上都有,如有 ...
- ZipHelper 压缩和解压帮助类
ZipHelper 压缩和解压帮助类 关于本文档的说明 本文档基于ICSharpCode.SharpZipLib.dll的封装,常用的解压和压缩方法都已经涵盖在内,都是经过项目实战积累下来的 欢迎传播 ...
- 【C#公共帮助类】WinRarHelper帮助类，实现文件或文件夹压缩和解压，实战干货
关于本文档的说明 本文档使用WinRAR方式来进行简单的压缩和解压动作,纯干货,实际项目这种压缩方式用的少一点,一般我会使用第三方的压缩dll来实现,就如同我上一个压缩类博客,压缩的是zip文件htt ...
- c#自带压缩类实现的多文件压缩和解压
用c#自带的System.IO.Compression命名空间下的压缩类实现的多文件压缩和解压功能,缺点是多文件压缩包的解压只能调用自身的解压方法,和现有的压缩软件不兼容.下面的代码没有把多文件的目录 ...
- 利用c#自带的类对文件进行压缩和解压处理
在做网络传输文件的小例子的时候,当传输的文件比较大的时候,我们通常都是将文件经过压缩之后才进行传输,以前都是利用第三方插件来对文件进行压缩的,但是现在我发现了c#自带的类库也能够实现文件的压缩,实际上 ...
- Linux 时间日期类、搜索查找类、 压缩和解压类指令
l 时间日期类 date指令-显示当前日期 基本语法 1) date (功能描述:显示当前时间) 2) date +%Y (功能描述:显示当前年份) 3) date +%m (功能描述:显示当前月份) ...
- Linux时间日期类，压缩和解压类
一.时间日期类 1.data指令 1.基本指令 date 显示当前日期 data +%Y 显示当前年份 data +%m 显示当前月份 data +%d 显示当前天 data +%Y-%m-%d %H ...
- 【转】Java压缩和解压文件工具类ZipUtil
特别提示:本人博客部分有参考网络其他博客,但均是本人亲手编写过并验证通过.如发现博客有错误,请及时提出以免误导其他人,谢谢!欢迎转载,但记得标明文章出处:http://www.cnblogs.com/ ...
随机推荐
- Rancher2.0中邮件通知的设置
1-邮件通知的设置-中国电信189邮箱 2-2-邮件通知的设置-腾讯免费企业邮箱 **说明:网易163邮箱.QQ邮箱没有设置成功,可能是因为邮箱设置得太安全的缘故. 参考链接: 中国电信189邮箱 ...
- Speak Confident English
I hope you don'd mind me asking... I know I shouldn't ask, but.... - Well, before I answer that ...
- Redis入门指南之一（简介）
1. 简介 Redis是一个开源的.高性能的.基于键值对的缓存与存储系统,通过提供多种键值数据类型来适应不同的场景下的缓存与存储需求.同时Redis的诸多高级功能使其可以胜任消息队列.任务队列等不同的 ...
- 整合MyBatis（springboot）
pom文件: <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>m ...
- 《HTTP 权威指南》笔记:第十四章 安全 HTTP
 HTTPS 与 HTTP 不同,其在传输层与应用层之间添加了一个 SSL/TLS 的安全层.机制:所有的 HTTP 请求与响应都要通过 SSL/TLS 先进行加密,再进行传输. 基础知识 密码 c ...
- 机器学习之 XGBoost和LightGBM
目录 1.基本知识点简介 2.梯度提升树GBDT算法 2.1 思路和原理 2.2 梯度代替残差建立CART回归树 3.XGBoost提升树算法 3.1 XGBoost原理 3.2 XGBoost中损失 ...
- 万年不变话题cookie，简单总结
cookie是面试中经常会问到的一个问题,但是就我的项目实践来看,我用到的次数极少.有时候用到也不是为了存储用户名密码,只是存储一些需要记住的状态.可能和我的经验尚浅,涉足的项目不算多有关.这里简单做 ...
- selenium java ，执行js改变页面
1.面对页面一些页面上的限制而导致某些选择按钮无法选中的问题 很多时候由于页面上的一些限制会导致我们无法无法正常用webdriver来实现我们手动的正常操作,这时候我们可以通过执行js来适当的改变页面 ...
- Oracle数据库联机重定义讲解及错误处理
1.1. 关键字:联机重定义/SYNC_INTERIM_TABLE/GATHER_TABLE_STATS 1.2. 需求:数据表的清理机制需要优化 离线消息表采用delete的方式定期对过期的数据进行 ...
- 2015-10-20 sql2
SQL SERVER(二) 三.插入,更新,删除,添加 3.1ins ...