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- //using ICSharpCode.SharpZipLib.Checksums;
- using ICSharpCode.SharpZipLib.Zip;
- using System;
- using System.Collections.Generic;
- using System.IO;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- namespace BaseLibRWFile
- {
- /// <summary>
- /// 压缩类
- /// </summary>
- public class ZipOperate
- {
- /// <summary>
- /// 压缩文件
- /// </summary>
- /// <param name="strFile"></param>
- /// <param name="strZip"></param>
- public void ZipFile(string strFile, string strZip)
- {
- var len = strFile.Length;
- var strlen = strFile[len - 1];
- if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar)
- {
- strFile += Path.DirectorySeparatorChar;
- }
- ZipOutputStream outstream = new ZipOutputStream(File.Create(strZip));
- outstream.SetLevel(6);
- Zip(strFile, outstream, strFile);
- outstream.Finish();
- outstream.Close();
- }
- public void Zip(string strFile, ZipOutputStream outstream, string staticFile)
- {
- //if (strFile[strFile.Length - 1] != Path.DirectorySeparatorChar)
- //{
- // strFile += Path.DirectorySeparatorChar;
- //}
- //Crc32 crc = new Crc32();
- ////获取指定目录下所有文件和子目录文件名称
- //string[] filenames = Directory.GetFileSystemEntries(strFile);
- ////遍历文件
- //foreach (string file in filenames)
- //{
- // if (Directory.Exists(file))
- // {
- // Zip(file, outstream, staticFile);
- // }
- // //否则,直接压缩文件
- // else
- // {
- // //打开文件
- // FileStream fs = File.OpenRead(file);
- // //定义缓存区对象
- // byte[] buffer = new byte[fs.Length];
- // //通过字符流,读取文件
- // fs.Read(buffer, 0, buffer.Length);
- // //得到目录下的文件(比如:D:\Debug1\test),test
- // string tempfile = file.Substring(staticFile.LastIndexOf("\\") + 1);
- // ZipEntry entry = new ZipEntry(tempfile);
- // entry.DateTime = DateTime.Now;
- // entry.Size = fs.Length;
- // fs.Close();
- // crc.Reset();
- // crc.Update(buffer);
- // entry.Crc = crc.Value;
- // outstream.PutNextEntry(entry);
- // //写文件
- // outstream.Write(buffer, 0, buffer.Length);
- // }
- //}
- }
- }
- /// <summary>
- /// 解压方法
- /// </summary>
- public class UnZipFloClass
- {
- public string UnZipFile(string TargetFile, string fileDir, ref string msg)
- {
- string rootFile = "";
- msg = "";
- try
- {
- //读取压缩文件(zip文件),准备解压缩
- ZipInputStream inputstream = new ZipInputStream(File.OpenRead(TargetFile.Trim()));
- ZipEntry entry;
- string path = fileDir;
- //解压出来的文件保存路径
- string rootDir = "";
- //根目录下的第一个子文件夹的名称
- while ((entry = inputstream.GetNextEntry()) != null)
- {
- rootDir = Path.GetDirectoryName(entry.Name);
- //得到根目录下的第一级子文件夹的名称
- if (rootDir.IndexOf("\\") >= 0)
- {
- rootDir = rootDir.Substring(0, rootDir.IndexOf("\\") + 1);
- }
- string dir = Path.GetDirectoryName(entry.Name);
- //得到根目录下的第一级子文件夹下的子文件夹名称
- string fileName = Path.GetFileName(entry.Name);
- //根目录下的文件名称
- if (dir != "")
- {
- //创建根目录下的子文件夹,不限制级别
- if (!Directory.Exists(fileDir + "\\" + dir))
- {
- path = fileDir + "\\" + dir;
- //在指定的路径创建文件夹
- Directory.CreateDirectory(path);
- }
- }
- else if (dir == "" && fileName != "")
- {
- //根目录下的文件
- path = fileDir;
- rootFile = fileName;
- }
- else if (dir != "" && fileName != "")
- {
- //根目录下的第一级子文件夹下的文件
- if (dir.IndexOf("\\") > 0)
- {
- //指定文件保存路径
- path = fileDir + "\\" + dir;
- }
- }
- if (dir == rootDir)
- {
- //判断是不是需要保存在根目录下的文件
- path = fileDir + "\\" + rootDir;
- }
-
- //以下为解压zip文件的基本步骤
- //基本思路:遍历压缩文件里的所有文件,创建一个相同的文件
- if (fileName != String.Empty)
- {
- FileStream fs = File.Create(path + "\\" + fileName);
- int size = 2048;
- byte[] data = new byte[2048];
- while (true)
- {
- size = inputstream.Read(data, 0, data.Length);
- if (size > 0)
- {
- fs.Write(data, 0, size);
- }
- else
- {
- break;
- }
- }
- fs.Close();
- }
- }
- inputstream.Close();
- msg = "解压成功!";
- return rootFile;
- }
- catch (Exception ex)
- {
- msg = "解压失败,原因:" + ex.Message;
- return "1;" + ex.Message;
- }
- }
- }
- //压缩文件
- //private void btnZipFlo_Click(object sender, EventArgs e)
- // {
- // string[] strs = new string[2];
- // //待压缩文件目录
- // strs[0] = "D:\\DeBug1\\";
- // //压缩后的目标文件
- // strs[1] = "D:\\Debug2\\FrpTest.zip";
- // ZipFloClass zc = new ZipFloClass();
- // zc.ZipFile(strs[0], strs[1]);
- // }
- /// <summary>
- /// 批量解压事件
- /// </summary>
- /// <param name="sender"></param>
- /// <param name="e"></param>
- //private void btnBatchUnZipFlo_Click(object sender, EventArgs e)
- //{
- // string msg = "";
- // string path2 = "D:\\Debug2\\";
- // string path3 = "D:\\Debug3\\";
- // //获取指定目录下所有文件和子文件名称(所有待解压的压缩文件)
- // string[] files = Directory.GetFileSystemEntries(path2);
- // UnZipFloClass uzc = new UnZipFloClass();
- // //遍历所有压缩文件路径
- // foreach (string file in files)
- // {
- // //获取压缩包名称(包括后缀名)
- // var filename = file.Substring(file.LastIndexOf("\\") + 1);
- // //得到压缩包名称(没有后缀)
- // filename = filename.Substring(0, filename.LastIndexOf("."));
- // //判断解压的路径是否存在
- // if (!Directory.Exists(path3 + filename))
- // {
- // //没有,则创建这个路径
- // Directory.CreateDirectory(path3 + filename);
- // }
- // //调用解压方法(参数1:待解压的压缩文件路径(带后缀名),参数2:解压后存放的文件路径,参数3:返工是否解压成功)
- // uzc.unZipFile(file, path3 + filename, ref msg);
- // }
- // MessageBox.Show("批量解压成功");
- //}
- }
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