C#调用WinRAR来压缩和解压缩文件 Windows系统中C#调用WinRAR来压缩和解压缩文件的方法
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过程说明都在注释里，我们直接来看代码：
压缩：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using ICSharpCode.SharpZipLib.Zip;
using System.Diagnostics;
public class winrar
{
#region 压缩文件
/// <summary>
/// 压缩文件
/// </summary>
/// <param name="filesPath">压缩文件及完整路径(D:\abc)</param>
/// <param name="zipFilePath">压缩包所存完整路径(D:\a.zip或d:\a.rar)</param>
public static void CreateZipFile(string filesPath, string zipFilePath)
{
if (!Directory.Exists(filesPath))
{
Console.WriteLine("Cannot find directory '{0}'", filesPath);
return;
}
try
{
string[] filenames = Directory.GetFiles(filesPath);
using (ZipOutputStream s = new ZipOutputStream(File.Create(zipFilePath)))
{
s.SetLevel(9); // 压缩级别 0-9
//s.Password = "123"; //Zip压缩文件密码
byte[] buffer = new byte[4096]; //缓冲区大小
foreach (string file in filenames)
{
ZipEntry entry = new ZipEntry(Path.GetFileName(file));
entry.DateTime = DateTime.Now;
s.PutNextEntry(entry);
using (FileStream fs = File.OpenRead(file))
{
int sourceBytes;
do
{
sourceBytes = fs.Read(buffer, 0, buffer.Length);
s.Write(buffer, 0, sourceBytes);
} while (sourceBytes > 0);
}
}
s.Finish();
s.Close();
}
}
catch (Exception ex)
{
AutoCompare.ErrorLog.SaveError(ex, "压缩文件出错！");
}
}
#endregion
#region 解压文件
/// <summary>
/// 解压文件
/// </summary>
/// <param name="zipFilePath">解压文件及完整路径(d:\a.zip或d:\a.rar)</param>
public static void UnZipFile(string zipFilePath)
{
if (!File.Exists(zipFilePath))
{
Console.WriteLine("Cannot find file '{0}'", zipFilePath);
return;
}
using (ZipInputStream s = new ZipInputStream(File.OpenRead(zipFilePath)))
{
ZipEntry theEntry;
while ((theEntry = s.GetNextEntry()) != null)
{
Console.WriteLine(theEntry.Name);
string directoryName = Path.GetDirectoryName(theEntry.Name);
string fileName = Path.GetFileName(theEntry.Name);
// create directory
if (directoryName.Length > 0)
{
Directory.CreateDirectory(directoryName);
}
if (fileName != String.Empty)
{
using (FileStream streamWriter = File.Create(theEntry.Name))
{
int size = 2048;
byte[] data = new byte[2048];
while (true)
{
size = s.Read(data, 0, data.Length);
if (size > 0)
{
streamWriter.Write(data, 0, size);
}
else
{
break;
}
}
}
}
}
}
}
#endregion
string rarFile=@"C:\Program Files\WinRAR\WinRAR.exe";//winrar之所在的路径，这里找执行文件所在文件夹和"C:\Program Files\WinRAR\WinRAR.exe
#region RAR压缩文件（支持路径中含有空格）
/// <summary>
/// 压缩到.rar
/// </summary>
/// <param name="intputPath">输入目录</param>
/// <param name="outputPath">输出目录</param>
/// <param name="outputFileName">输出文件名</param>
public static void CompressRar(string intputPath, string outputPath, string outputFileName)
{
//rar 执行时的命令、参数
string rarCmd;
//启动进程的参数
ProcessStartInfo processStartInfo;
//进程对象
Process process;
//命令参数
rarCmd = " a " + outputFileName + " " + intputPath + " -r -ep1";
//rar路径
string rarFile = System.Windows.Forms.Application.StartupPath + @"\rar.exe";
if (outputPath.IndexOf(' ') > 0 || intputPath.IndexOf(' ') > 0)
{
rarCmd = " a " + outputFileName + " \"" + intputPath + "\" -r -ep1";
}
if (!File.Exists(System.Windows.Forms.Application.StartupPath + @"\rar.exe"))
{
rarFile=@"C:\Program Files\WinRAR\WinRAR.exe";
}
try
{
//判断输入目录是否存在
if (!Directory.Exists(intputPath))
{
throw new ArgumentException("CompressRar'arge : inputPath isn't exsit.");
}
//创建启动进程的参数
processStartInfo = new ProcessStartInfo();
//指定启动文件名
processStartInfo.FileName = @"C:\Program Files\WinRAR\WinRAR.exe";
//指定启动该文件时的命令、参数
processStartInfo.Arguments = rarCmd;
//指定启动窗口模式：隐藏
processStartInfo.WindowStyle = ProcessWindowStyle.Hidden;
//指定压缩后到达路径
processStartInfo.WorkingDirectory = outputPath;
//创建进程对象
process = new Process();
//指定进程对象启动信息对象
process.StartInfo = processStartInfo;
//启动进程
process.Start();
//指定进程自行退行为止
process.WaitForExit();
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#region RAR解压文件（支持路径中含有空格）
/// <summary>
/// 解压文件
/// </summary>
/// <param name="outputPath">解压到的路径</param>
/// <param name="inputPath">压缩包所在路径（解压路径需存在）</param>
/// <param name="inputFileName">压缩包名</param>
/// <returns></returns>
public static void DecompressRar(string outputPath, string inputPath, string inputFileName)
{
//rar 执行时的命令、参数
string rarCmd;
//启动进程的参数
ProcessStartInfo processStartInfo;
//进程对象
Process process;
//rar路径
string rarFile =System.Windows.Forms.Application.StartupPath + @"\rar.exe" ;
//命令参数
rarCmd = " e " + inputFileName + " " + outputPath + " -r -ep1";
if (outputPath.IndexOf(' ') > 0 || inputPath.IndexOf(' ') > 0)
{
rarCmd = "x -inul -y -o+ -ep1 \"" + inputPath + "\\" + inputFileName + "\" \"" + outputPath+"\"";
}
if (!File.Exists(System.Windows.Forms.Application.StartupPath + @"\rar.exe"))
{
rarFile=@"C:\Program Files\WinRAR\WinRAR.exe";
}
try
{
//创建启动进程的参数
processStartInfo = new ProcessStartInfo();
//指定启动文件名
processStartInfo.FileName = rarFile;
//指定启动该文件时的命令、参数
processStartInfo.Arguments = rarCmd;
//指定启动窗口模式：隐藏
processStartInfo.WindowStyle = ProcessWindowStyle.Hidden;
//指定解压后到达路径（文件夹需要存在）
processStartInfo.WorkingDirectory = inputPath;
//创建进程对象
process = new Process();
//指定进程对象启动信息对象
process.StartInfo = processStartInfo;
//启动进程
process.Start();
//指定进程自行退行为止
process.WaitForExit();
//释放资源
process.Close();
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
}
解压：
class UseWinRar
{
private string rarExeFile = null;//WinRar.exe路径
private bool useAble = false;//标志WinRar是否可用
public UseWinRar()//构造方法
{
rarExeFile = getRarExe();
useAble = !string.IsNullOrEmpty(rarExeFile);//如果WinRar.exe路径不为空，说明可用
}
public static string getRarExe()//获取WinRar所在磁盘路径
{
string rarExe = null;
RegistryKey regKey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\WinRAR.exe");
if (regKey == null)
{
return null;
}
rarExe = regKey.GetValue("").ToString();
regKey.Close();//关闭注册表
return rarExe;
}
public bool exeRarCmd(string cmd)//执行某个命令
{
if (!useAble)
{
return false;
}
Process process = new Process();//新建一个过程
ProcessStartInfo startInfo = new ProcessStartInfo(rarExeFile);//新建一个启动信息
startInfo.Arguments = cmd;//设置启动信息的执行参数
//startInfo.WorkingDirectory = workDirectory;//设置启动信息的工作目录
startInfo.WindowStyle = ProcessWindowStyle.Hidden;//设置程序后台运行
process.StartInfo = startInfo;//设置过程的启动信息
process.Start();//开始过程
return true;
}
public bool unZipAll(string zipFile, string targetDirectory)//将指定压缩文件解压到指定目录
{
if (! File.Exists(zipFile))
{
return false;
}
string zipCmd = "x " + zipFile +" "+ targetDirectory + " -y -ibck";//后台解压压缩文件中全部文件到指定目录
exeRarCmd(zipCmd);//执行解压操作
return true;
}
public bool unZipToCurrentDirectory(string zipFile)//将压缩文件解压到当前目录
{
if (!File.Exists(zipFile))
{
return false;
}
FileInfo fileInfo = new FileInfo(zipFile);
return unZipAll(zipFile, fileInfo.DirectoryName);
}
}
Main:
public static void Main()
{
UseWinRar rar = new UseWinRar();
string[] zipFiles = Directory.GetFiles(Environment.CurrentDirectory, "*.zip");//获取所有zip文件路径
foreach (string zipFile in zipFiles)
{
rar.unZipToCurrentDirectory(zipFile);
}
}
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