C#实现批量压缩和解压缩的示例代码

这篇文章主要为大家详细介绍了如何利用C#实现批量压缩和解压缩的功能,文中的示例代码讲解详细,对我们学习C#有一定的帮助,感兴趣的小伙伴可以跟随小编一起了解一下

实践过程

效果

代码

public partial class Form1 : Form { public Form1() { InitializeComponent(); } #region 压缩文件及文件夹 ///  /// 递归压缩文件夹方法 ///  ///  /// 压缩文件输出流对象 ///  private bool ZipFileDictory(string FolderToZip, ZipOutputStream ZOPStream, string ParentFolderName) { bool res = true; string[] folders, filenames; ZipEntry entry = null; FileStream fs = null; Crc32 crc = new Crc32(); try { //创建当前文件夹 entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/"));  //加上 “/” 才会当成是文件夹创建 ZOPStream.PutNextEntry(entry); ZOPStream.Flush(); //先压缩文件,再递归压缩文件夹 filenames = Directory.GetFiles(FolderToZip); foreach (string file in filenames) { //打开压缩文件 fs = File.OpenRead(file); byte[] buffer = new byte[fs.Length]; fs.Read(buffer, 0, buffer.Length); entry = new ZipEntry(Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip) + "/" + Path.GetFileName(file))); entry.DateTime = DateTime.Now; entry.Size = fs.Length; fs.Close(); crc.Reset(); crc.Update(buffer); entry.Crc = crc.Value; ZOPStream.PutNextEntry(entry); ZOPStream.Write(buffer, 0, buffer.Length); } } catch { res = false; } finally { if (fs != null) { fs.Close(); fs = null; } if (entry != null) { entry = null; } GC.Collect(); GC.Collect(1); } folders = Directory.GetDirectories(FolderToZip); foreach (string folder in folders) { if (!ZipFileDictory(folder, ZOPStream, Path.Combine(ParentFolderName, Path.GetFileName(FolderToZip)))) { return false; } } return res; } ///  /// 压缩目录 ///  /// 待压缩的文件夹 /// 压缩后的文件名 ///  private bool ZipFileDictory(string FolderToZip, string ZipedFile) { bool res; if (!Directory.Exists(FolderToZip)) { return false; } ZipOutputStream ZOPStream = new ZipOutputStream(File.Create(ZipedFile)); ZOPStream.SetLevel(6); res = ZipFileDictory(FolderToZip, ZOPStream, ""); ZOPStream.Finish(); ZOPStream.Close(); return res; } ///  /// 压缩文件和文件夹 ///  /// 待压缩的文件或文件夹 /// 压缩后生成的压缩文件名,全路径格式 ///  public bool Zip(String FileToZip, String ZipedFile) { if (Directory.Exists(FileToZip)) { return ZipFileDictory(FileToZip, ZipedFile); } else { return false; } } #endregion #region 复制文件// public void CopyFile(string[] list,string strNewPath,ToolStripProgressBar TSPBar) { try { TSPBar.Maximum = list.Length; string strNewFile = "c:\\" + strNewPath; if (!Directory.Exists(strNewFile)) Directory.CreateDirectory(strNewFile); foreach (object objFile in list) { string strFile = objFile.ToString(); string Filename = strFile.Substring(strFile.LastIndexOf("\\") + 1, strFile.Length - strFile.LastIndexOf("\\") - 1); File.Copy(strFile, strNewFile+"\\"+Filename, true); TSPBar.Value += 1; } } catch (Exception ex) { MessageBox.Show(ex.Message); } } #endregion #region 解压文件 ///  /// 解压文件 ///  /// 待解压的文件 /// 指定解压目标目录 public void UnZip(string FileToUpZip, string ZipedFolder) { if (!File.Exists(FileToUpZip)) { return; } if (!Directory.Exists(ZipedFolder)) { Directory.CreateDirectory(ZipedFolder); } ZipInputStream ZIPStream = null; ZipEntry theEntry = null; string fileName; FileStream streamWriter = null; try { //生成一个GZipInputStream流,用来打开压缩文件 ZIPStream = new ZipInputStream(File.OpenRead(FileToUpZip)); while ((theEntry = ZIPStream.GetNextEntry()) != null) { if (theEntry.Name != String.Empty) { fileName = Path.Combine(ZipedFolder, theEntry.Name); //判断文件路径是否是文件夹 if (fileName.EndsWith("/") || fileName.EndsWith("\\")) { Directory.CreateDirectory(fileName); continue; } //生成一个文件流,它用来生成解压文件 streamWriter = File.Create(fileName); int size = 2048;//指定压缩块的大小,一般为2048的倍数 byte[] data = new byte[2048];//指定缓冲区的大小 while (true) { size = ZIPStream.Read(data, 0, data.Length);//读入一个压缩块 if (size > 0) { streamWriter.Write(data, 0, size);//写入解压文件代表的文件流 } else { break;//若读到压缩文件尾,则结束 } } } } } finally { if (streamWriter != null) { streamWriter.Close(); streamWriter = null; } if (theEntry != null) { theEntry = null; } if (ZIPStream != null) { ZIPStream.Close(); ZIPStream = null; } GC.Collect(); GC.Collect(1); } } #endregion string[] files;//存储要进行压缩的文件数组 string[] files2;//存储要进行解压缩的文件数组 private void button1_Click(object sender, EventArgs e)//选择批量压缩的文件 { if (openFileDialog1.ShowDialog() == DialogResult.OK) { files = openFileDialog1.FileNames; string file = ""; for (int i = 0; i  1) { if (saveFileDialog1.ShowDialog() == DialogResult.OK) { string strNewPath = DateTime.Now.ToString("yyyyMMddhhmmss"); CopyFile(files, strNewPath, toolStripProgressBar1); Zip("c:\\"+strNewPath,saveFileDialog1.FileName); Directory.Delete("c:\\" + strNewPath, true); MessageBox.Show("压缩文件成功"); } } toolStripProgressBar1.Value = 0; } else { MessageBox.Show("警告:请选择要进行批量压缩的文件!","警告",MessageBoxButtons.OK,MessageBoxIcon.Error); } } catch { } } private void button4_Click(object sender, EventArgs e) { try { if (txtfiles2.Text.Trim() != "") { toolStripProgressBar1.Maximum = files2.Length; for (int i = 0; i 
partial class Form1 { ///  /// 必需的设计器变量。 ///  private System.ComponentModel.IContainer components = null; ///  /// 清理所有正在使用的资源。 ///  /// 如果应释放托管资源,为 true;否则为 false。 protected override void Dispose(bool disposing) { if (disposing && (components != null)) { components.Dispose(); } base.Dispose(disposing); } #region Windows 窗体设计器生成的代码 ///  /// 设计器支持所需的方法 - 不要 /// 使用代码编辑器修改此方法的内容。 ///  private void InitializeComponent() { this.groupBox1 = new System.Windows.Forms.GroupBox(); this.button1 = new System.Windows.Forms.Button(); this.txtfiles = new System.Windows.Forms.TextBox(); this.label1 = new System.Windows.Forms.Label(); this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog(); this.button2 = new System.Windows.Forms.Button(); this.groupBox2 = new System.Windows.Forms.GroupBox(); this.button3 = new System.Windows.Forms.Button(); this.txtfiles2 = new System.Windows.Forms.TextBox(); this.label2 = new System.Windows.Forms.Label(); this.button4 = new System.Windows.Forms.Button(); this.openFileDialog2 = new System.Windows.Forms.OpenFileDialog(); this.statusStrip1 = new System.Windows.Forms.StatusStrip(); this.toolStripStatusLabel1 = new System.Windows.Forms.ToolStripStatusLabel(); this.toolStripProgressBar1 = new System.Windows.Forms.ToolStripProgressBar(); this.saveFileDialog1 = new System.Windows.Forms.SaveFileDialog(); this.groupBox1.SuspendLayout(); this.groupBox2.SuspendLayout(); this.statusStrip1.SuspendLayout(); this.SuspendLayout(); // // groupBox1 // this.groupBox1.Controls.Add(this.button1); this.groupBox1.Controls.Add(this.txtfiles); this.groupBox1.Controls.Add(this.label1); this.groupBox1.ForeColor = System.Drawing.Color.Black; this.groupBox1.Location = new System.Drawing.Point(12, 12); this.groupBox1.Name = "groupBox1"; this.groupBox1.Size = new System.Drawing.Size(432, 63); this.groupBox1.TabIndex = 0; this.groupBox1.TabStop = false; this.groupBox1.Text = "批量压缩文件"; // // button1 // this.button1.Location = new System.Drawing.Point(383, 24); this.button1.Name = "button1"; this.button1.Size = new System.Drawing.Size(43, 23); this.button1.TabIndex = 2; this.button1.Text = "..."; this.button1.UseVisualStyleBackColor = true; this.button1.Click += new System.EventHandler(this.button1_Click); // // txtfiles // this.txtfiles.BackColor = System.Drawing.Color.White; this.txtfiles.Location = new System.Drawing.Point(116, 25); this.txtfiles.Name = "txtfiles"; this.txtfiles.ReadOnly = true; this.txtfiles.Size = new System.Drawing.Size(260, 21); this.txtfiles.TabIndex = 1; // // label1 // this.label1.AutoSize = true; this.label1.Location = new System.Drawing.Point(6, 28); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(113, 12); this.label1.TabIndex = 0; this.label1.Text = "选择要压缩的文件:"; // // openFileDialog1 // this.openFileDialog1.InitialDirectory = "c:"; this.openFileDialog1.Multiselect = true; // // button2 // this.button2.Location = new System.Drawing.Point(128, 172); this.button2.Name = "button2"; this.button2.Size = new System.Drawing.Size(85, 23); this.button2.TabIndex = 3; this.button2.Text = "批量压缩"; this.button2.UseVisualStyleBackColor = true; this.button2.Click += new System.EventHandler(this.button2_Click); // // groupBox2 // this.groupBox2.Controls.Add(this.button3); this.groupBox2.Controls.Add(this.txtfiles2); this.groupBox2.Controls.Add(this.label2); this.groupBox2.ForeColor = System.Drawing.Color.Black; this.groupBox2.Location = new System.Drawing.Point(12, 91); this.groupBox2.Name = "groupBox2"; this.groupBox2.Size = new System.Drawing.Size(432, 63); this.groupBox2.TabIndex = 4; this.groupBox2.TabStop = false; this.groupBox2.Text = "批量解压缩文件"; // // button3 // this.button3.Location = new System.Drawing.Point(383, 24); this.button3.Name = "button3"; this.button3.Size = new System.Drawing.Size(43, 23); this.button3.TabIndex = 2; this.button3.Text = "..."; this.button3.UseVisualStyleBackColor = true; this.button3.Click += new System.EventHandler(this.button3_Click); // // txtfiles2 // this.txtfiles2.BackColor = System.Drawing.Color.White; this.txtfiles2.Location = new System.Drawing.Point(128, 24); this.txtfiles2.Name = "txtfiles2"; this.txtfiles2.ReadOnly = true; this.txtfiles2.Size = new System.Drawing.Size(248, 21); this.txtfiles2.TabIndex = 1; // // label2 // this.label2.AutoSize = true; this.label2.Location = new System.Drawing.Point(6, 28); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(125, 12); this.label2.TabIndex = 0; this.label2.Text = "选择要解压缩的文件:"; // // button4 // this.button4.Location = new System.Drawing.Point(233, 172); this.button4.Name = "button4"; this.button4.Size = new System.Drawing.Size(85, 23); this.button4.TabIndex = 5; this.button4.Text = "批量解压缩"; this.button4.UseVisualStyleBackColor = true; this.button4.Click += new System.EventHandler(this.button4_Click); // // openFileDialog2 // this.openFileDialog2.DefaultExt = "RAR"; this.openFileDialog2.Filter = "压缩文件|*.rar;*.zip"; this.openFileDialog2.InitialDirectory = "c:"; this.openFileDialog2.Multiselect = true; // // statusStrip1 // this.statusStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] { this.toolStripStatusLabel1, this.toolStripProgressBar1}); this.statusStrip1.Location = new System.Drawing.Point(0, 200); this.statusStrip1.Name = "statusStrip1"; this.statusStrip1.Size = new System.Drawing.Size(456, 22); this.statusStrip1.TabIndex = 6; this.statusStrip1.Text = "statusStrip1"; // // toolStripStatusLabel1 // this.toolStripStatusLabel1.AutoSize = false; this.toolStripStatusLabel1.Name = "toolStripStatusLabel1"; this.toolStripStatusLabel1.Size = new System.Drawing.Size(100, 17); this.toolStripStatusLabel1.Text = "执行进度:"; this.toolStripStatusLabel1.TextAlign = System.Drawing.ContentAlignment.MiddleRight; // // toolStripProgressBar1 // this.toolStripProgressBar1.Name = "toolStripProgressBar1"; this.toolStripProgressBar1.Size = new System.Drawing.Size(200, 16); // // saveFileDialog1 // this.saveFileDialog1.Filter = "RAR|*.rar"; // // Form1 // this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.ClientSize = new System.Drawing.Size(456, 222); this.Controls.Add(this.statusStrip1); this.Controls.Add(this.button4); this.Controls.Add(this.groupBox2); this.Controls.Add(this.button2); this.Controls.Add(this.groupBox1); this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle; this.MaximizeBox = false; this.Name = "Form1"; this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = "批量解压缩"; this.groupBox1.ResumeLayout(false); this.groupBox1.PerformLayout(); this.groupBox2.ResumeLayout(false); this.groupBox2.PerformLayout(); this.statusStrip1.ResumeLayout(false); this.statusStrip1.PerformLayout(); this.ResumeLayout(false); this.PerformLayout(); } #endregion private System.Windows.Forms.GroupBox groupBox1; private System.Windows.Forms.TextBox txtfiles; private System.Windows.Forms.Label label1; private System.Windows.Forms.Button button1; private System.Windows.Forms.OpenFileDialog openFileDialog1; private System.Windows.Forms.Button button2; private System.Windows.Forms.GroupBox groupBox2; private System.Windows.Forms.Button button3; private System.Windows.Forms.TextBox txtfiles2; private System.Windows.Forms.Label label2; private System.Windows.Forms.Button button4; private System.Windows.Forms.OpenFileDialog openFileDialog2; private System.Windows.Forms.StatusStrip statusStrip1; private System.Windows.Forms.ToolStripProgressBar toolStripProgressBar1; private System.Windows.Forms.ToolStripStatusLabel toolStripStatusLabel1; private System.Windows.Forms.SaveFileDialog saveFileDialog1; } 

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