使用C#在Windows上调用7-zip压缩文件
可以设置输出文件的路径也可以留空，留空则会在压缩文件创建一个同名的.压缩包
可以设置压缩包的密码
可以设置压缩包的加密方式(ASE-256),可以使用LZMA但是加密码会报错
可以设置压缩包的格式(zip)，可以使用7z但是加密码会报错
添加了密码最大长度的限制（98个字符，7zip限制的）
在7-ZIP的图形界面可以选择7z格式压缩可以输入中文的密码
using System;
using System.Diagnostics;
namespace 文件的压缩
{
internal class Program
{
private static void Main(string[] args)
{
Console.WriteLine("你好，接下来开始压缩文件");
ZipsHelper.CompressedInformation compressedInformation = new ZipsHelper.CompressedInformation(
@"E:\压缩文件测试\压缩文件_Orgion\V_1696602827.txt",
"",
"",
ZipsHelper.CompressedFileType.Zip,
ZipsHelper.CompressedPackageEncryptionMode.AES256);
//压缩 E:\压缩文件测试\压缩文件_Orgion\V1696602827.txt
//到 E:\压缩文件测试\压缩文件_Orgion\V1696602827.zip
ZipsHelper.DoCompressedFile(compressedInformation);
Console.ReadKey();
}
}
/// <summary>
/// zip文件压缩
/// </summary>
public class ZipsHelper
{
/// <summary>
/// 压缩文件
/// </summary>
public static void DoCompressedFile(CompressedInformation compressedInformation)
{
// 设置7-Zip可执行文件的路径，根据你的安装路径进行修改
string sevenZipExePath = @"C:\Program Files\7-Zip\7z.exe";
if (!System.IO.File.Exists(sevenZipExePath))
{
Console.WriteLine($"未能找到7z.exe ，请检查路径，当前路径是：{sevenZipExePath}");
return;
}
if (compressedInformation.Password.Length > 98)
{
Console.WriteLine($"压缩取消，密码长度过长，最大长度是98，当前长度是：{compressedInformation.Password.Length}。");
return;
}
string encryptionMethod;//压缩包的加密方式
if (compressedInformation.CompressedPackageEncryptionMode == CompressedPackageEncryptionMode.AES256)
{
encryptionMethod = "-mem=AES256";
}
//else if (compressedInformation.CompressedPackageEncryptionMode == CompressedPackageEncryptionMode.LZMA)
//{
//encryptionMethod = "-mhe=on -m0=BCJ2 -m1=LZMA2 -m2=LZMA2 -m3=LZMA2 -mb0:1 -mb0s1:2 -mb0s2:3";
//}
else
{
encryptionMethod = "-mem=AES256";
}
string format;//设置压缩包的格式
if (compressedInformation.CompressedFileType == CompressedFileType.Zip)
{
compressedInformation.CompressedFilePath += ".zip";//添加压缩包的文件后缀
format = "zip";
}
else
{
format = "7z";
}
string arguments;//压缩的参数
//构建7-Zip命令行参数
if (compressedInformation.Password == "")//当选择了压缩的加密方式但是密码为空的时候不能压缩
{
arguments = $"a -t{format} \"{compressedInformation.CompressedFilePath}\" \"{compressedInformation.FilePathToCompress}\"";
}
else
{
arguments = $"a -t{format} \"{compressedInformation.CompressedFilePath}\" \"{compressedInformation.FilePathToCompress}\" {encryptionMethod} -p{compressedInformation.Password}";
}
Console.WriteLine(arguments);
// 创建一个新的进程来运行7-Zip
Process process = new Process();
process.StartInfo.FileName = sevenZipExePath;
process.StartInfo.Arguments = arguments;
process.StartInfo.UseShellExecute = false;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.CreateNoWindow = true;
// 启动7-Zip进程并等待其完成
process.Start();
process.WaitForExit();
// 处理输出结果
string output = process.StandardOutput.ReadToEnd();
string error = process.StandardError.ReadToEnd();
if (string.IsNullOrEmpty(error))
{
Console.WriteLine("文件压缩成功！");
}
else
{
Console.WriteLine("文件压缩失败，错误信息：" + error);
}
Console.WriteLine();
Console.WriteLine();
Console.WriteLine();
Console.WriteLine();
Console.WriteLine(output);
}
/// <summary>
/// 压缩包类型
/// </summary>
public enum CompressedFileType
{
Zip = 1,
// _7Z = 2
}
/// <summary>
/// 压缩包加密格式
/// </summary>
public enum CompressedPackageEncryptionMode
{
AES256,
// LZMA,
}
public class CompressedInformation
{
/// <summary>
/// 压缩文件路径
/// </summary>
private string filePathToCompress;
/// <summary>
/// 输出文件路径
/// </summary>
private string compressedFilePath;
/// <summary>
/// 密码
/// </summary>
private string password;
/// <summary>
/// 压缩包类型
/// </summary>
private CompressedFileType compressedFileType;
/// <summary>
/// 压缩包加密格式
/// </summary>
private CompressedPackageEncryptionMode compressedPackageEncryptionMode;
public string FilePathToCompress { get => filePathToCompress; set => filePathToCompress = value; }
public string CompressedFilePath { get => compressedFilePath; set => compressedFilePath = value; }
public string Password { get => password; set => password = value; }
public CompressedFileType CompressedFileType { get => compressedFileType; set => compressedFileType = value; }
public CompressedPackageEncryptionMode CompressedPackageEncryptionMode { get => compressedPackageEncryptionMode; set => compressedPackageEncryptionMode = value; }
/// <summary>
/// 压缩命令参数
/// </summary>
/// <param name="filePathToCompress">压缩文件路径</param>
/// <param name="compressedFilePath">压缩包输出路径</param>
/// <param name="password">密码</param>
/// <param name="compressedFileType">压缩包格式</param>
/// <param name="compressedPackageEncryptionMode">压缩包加密方式</param>
public CompressedInformation(string filePathToCompress,
string compressedFilePath = "",
string password = "",
CompressedFileType compressedFileType = CompressedFileType.Zip,
CompressedPackageEncryptionMode compressedPackageEncryptionMode = CompressedPackageEncryptionMode.AES256)
{
this.FilePathToCompress = filePathToCompress;
this.CompressedFilePath = compressedFilePath;
this.Password = password;
this.CompressedFileType = compressedFileType;
this.CompressedPackageEncryptionMode = compressedPackageEncryptionMode;
if (compressedFilePath == "")
{
GetFileNameAndExtension(filePathToCompress, out compressedFilePath);
this.CompressedFilePath = compressedFilePath;
}
}
public static void GetFileNameAndExtension(string filePath, out string pathWithoutExtension)
{
pathWithoutExtension = System.IO.Path.ChangeExtension(filePath, null); // 去除文件后缀
}
}
}
}