法一：

?引用Ionip.ZIP.DLll

????? /// <summary>
??????? /// 壓縮文件夾
??????? /// </summary>
??????? /// <param name="FilePath">需要壓縮文件夾路徑</param>
??????? /// <param name="FileName">壓縮后文件名</param>
??????? /// <param name="SavePath">壓縮后存放路徑</param>
??????? /// <param name="PassWord">壓縮密碼，null為無密碼</param>
??????? /// <returns>異常消息，成功返回null</returns>
??????? public static string SetZipFile(string FilePath, string FileName, string SavePath, string PassWord)
??????? {
??????????? try
??????????? {
??????????????? ZipFile zipfile = new ZipFile(SavePath + "\\" + FileName + ".zip", Encoding.Default);
??????????????? if (PassWord != string.Empty)
??????????????????? zipfile.Password = PassWord;
??????????????? zipfile.AddDirectory(FilePath);
??????????????? zipfile.Save();
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? return ex.ToString();
??????????? }
??????????? return null;
??????? }

??????? /// <summary>
??????? /// 解壓文件
??????? /// </summary>
??????? /// <param name="FilePath">zip文件路徑</param>
??????? /// <param name="ReleasePath">解壓路徑</param>
??????? /// <param name="FileName">需要解壓的文件名</param>
??????? /// <param name="PassWord">解壓密碼 null為無密碼</param>
??????? /// <returns>異常消息，成功返回null</returns>
??????? public static string ReleaseFile(string FilePath, string ReleasePath, string[] FileName, string PassWord)
??????? {
??????????? try
??????????? {
??????????????? ZipFile zipfile = ZipFile.Read(FilePath);
??????????????? if (PassWord != string.Empty)
??????????????????? zipfile.Password = PassWord;
??????????????? foreach (string filename in FileName)
??????????????????? zipfile[filename].Extract(ReleasePath);
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? return ex.ToString();
??????????? }
??????????? return null;
??????? }

??????? /// <summary>
??????? /// 解壓全部文件
??????? /// </summary>
??????? /// <param name="FilePath">zip文件路徑</param>
??????? /// <param name="ReleasePath">解壓路徑</param>
??????? /// <param name="PassWord">解壓密碼，null為無密碼</param>
??????? /// <returns>異常消息，成功返回null</returns>
??????? public string ReleaseAllFile(string FilePath, string ReleasePath, string PassWord)
??????? {
??????????? try
??????????? {
??????????????? ZipFile zipfile = ZipFile.Read(FilePath);
??????????????? if (PassWord != string.Empty)
??????????????????? zipfile.Password = PassWord;
??????????????? foreach (ZipEntry zipentry in zipfile)
??????????????????? zipentry.Extract(ReleasePath);
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? return ex.ToString();
??????????? }
??????????? return null;
??????? }

??????? /// <summary>
??????? /// 從zip文件中移除文件
??????? /// </summary>
??????? /// <param name="FilePath">zip文件路徑</param>
??????? /// <param name="FileName">要移除的文件名集合</param>
??????? /// <returns>異常消息，成功返回null</returns>
??????? public string DelFile(string FilePath, string[] FileName)
??????? {
??????????? try
??????????? {
??????????????? ZipFile zipfile = ZipFile.Read(FilePath);
??????????????? foreach (string filename in FileName)
??????????????????? zipfile.RemoveEntry(filename);
??????????????? zipfile.Save();
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? return ex.ToString();
??????????? }
??????????? return null;
??????? }

??????? /// <summary>
??????? /// 向zip文件內添加文件
??????? /// </summary>
??????? /// <param name="FilePath">zip文件路徑</param>
??????? /// <param name="AddFilePath">要添加的文件路徑集合</param>
??????? /// <returns></returns>
??????? public string AddFile(string FilePath, string[] AddFilePath)
??????? {
??????????? try
??????????? {
??????????????? ZipFile zipfile = ZipFile.Read(FilePath);
??????????????? zipfile.AddFiles(AddFilePath);
??????????????? zipfile.Save();
??????????? }
??????????? catch (Exception ex)
??????????? {
??????????????? return ex.ToString();
??????????? }
??????????? return null;
??????? }

法二：

?? 1本地安裝Win.rar程序

?? 2

string strzipPath = path + "\\" + Program.filename.Replace("\0", ""); //帶解壓的zip
????? System.Diagnostics.Process Process1 = new System.Diagnostics.Process();
?? Process1.StartInfo.FileName = "Winrar.exe";
??????????????????????????????????? Process1.StartInfo.CreateNoWindow = true;
??????????????????????????????????? Process1.StartInfo.Arguments = " x -p123456 " + strzipPath + " " + path;
??????????????????????????????????? Process1.Start();
path? 解壓到哪個路徑，注意中間要有空格

x -p密碼 待解壓zip?? 解壓到哪個路徑? 解壓縮

a -p密碼 壓縮到哪個文件? 壓縮路徑? 壓縮

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