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使用C#在Windows上调用7-zip压缩文件

news 2025/6/24 9:00:26

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.zipZipsHelper.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-ZipProcess 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}}}}

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