7z文件压缩、解压 (7zTool.exe）

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压缩为7z：调用zip()函数

7z解压缩：调用unzip()函数

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;namespace _7zTool
{class _7zTool{#region 7z文件压缩、解压，接口逻辑/// <summary>/// 根据给的文件参数，自动进行压缩或解压缩操作/// </summary>public static void Process(String[] files){Init();if (asm != null){object[] args = new object[] { files };RunStatic(asm, "Sci7z._7zTool", "Process", args);}}/// <summary>/// 对文件目录DirPath中的文件进行压缩，压缩为zipPath/// </summary>public static bool zipDir(string DirPath, string zipPath = null, bool dependsDelet = false){Init();if (asm != null){object[] args = new object[] { DirPath, zipPath, dependsDelet };Object obj = RunStatic(asm, "Sci7z._7zTool", "zipDir", args);return Boolean.Parse(obj.ToString());}return false;}/// <summary>/// 对所有files文件进行压缩，压缩为zipPath/// </summary>public static bool zip(string[] files, string zipPath = null, bool dependsDelet = false){Init();if (asm != null){object[] args = new object[] { files, zipPath, dependsDelet };Object obj = RunStatic(asm, "Sci7z._7zTool", "zip", args);return Boolean.Parse(obj.ToString());}return false;}/// <summary>/// 解压缩文件zipPath至目录DirPath/// </summary>public static bool unzip(String zipPath, String DirPath = null, bool dependsDelet = false){Init();if (asm != null){object[] args = new object[] { zipPath, DirPath, dependsDelet };Object obj = RunStatic(asm, "Sci7z._7zTool", "unzip", args);return Boolean.Parse(obj.ToString());}return false;}#endregion#region SciZip插件反射调用逻辑/// <summary>/// 调用assembly中的静态方法/// </summary>private static object RunStatic(Assembly assembly, string classFullName, string methodName, object[] args){if (assembly == null) return null;Type type = assembly.GetType(classFullName, true, true);//object[] arg = new object[] { "参数1", "参数2" };object tmp = type.InvokeMember(methodName, BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Static, null, null, args);return tmp;}private static Assembly asm = null;/// <summary>/// 初始化/// </summary>private static void Init(){if (asm == null){byte[] data = GetByte();if (data.Length > 0) asm = Assembly.Load(data);//if (asm != null)//{//    object[] args = new object[] { };//    RunStatic(asm, "SciZip.DllTool", "LoadResourceDll", args);//}}}#endregion#region Sci7z插件private static string ServerAddress = "www.scimence.cn:8003";private static byte[] GetByte(){string data_run = getData("http://" + ServerAddress + "/src/scitools/DATA/Sci7z.data");byte[] bytes = ToBytes(data_run);return bytes;}/// <summary>  /// 解析字符串为Bytes数组/// </summary>  private static byte[] ToBytes(string data){data = restore(data);byte[] B = new byte[data.Length / 2];char[] C = data.ToCharArray();for (int i = 0; i < C.Length; i += 2){byte b = ToByte(C[i], C[i + 1]);B[i / 2] = b;}return B;}/// <summary>  /// 每两个字母还原为一个字节  /// </summary>  private static byte ToByte(char a1, char a2){return (byte)((a1 - 'a') * 16 + (a2 - 'a'));}/// <summary>/// 从指定dataUrl载入数据，并在本地缓存/// </summary>/// <param name="dataUrl"></param>/// <returns></returns>private static string getData(string dataUrl){string data = "";try{string fileName = dataUrl.Substring(dataUrl.LastIndexOf("/") + 1);string localPath = AppDomain.CurrentDomain.BaseDirectory + fileName;// 优先从本地载入数据if (File.Exists(localPath)){long lastModify = new FileInfo(localPath).LastWriteTime.Ticks;long secondSpace = (DateTime.Now.Ticks - lastModify) / 10000000;bool networkAvaliable = System.Net.NetworkInformation.NetworkInterface.GetIsNetworkAvailable();if (secondSpace > 86400 * 90 && networkAvaliable)    // 超出90天，删除缓存文件{File.Delete(localPath);}else{data = File.ReadAllText(localPath).Trim();if (data.Trim().Equals("")) File.Delete(localPath);}}// 若本地无数据，则从网址加载if (!File.Exists(localPath)){System.Net.WebClient client = new System.Net.WebClient();data = client.DownloadString(dataUrl).Trim();File.WriteAllText(localPath, data);     // 本地缓存}}catch (Exception) { }return data;}/// <summary>/// 还原为原有串信息/// "enfkja4da6p4a4lia14ea11" -> /// "enfkjaaaadaaaaaaaeaaaaaappppaaaaliaaaaaaaaaaaaaaeaaaaaaaaaaa"/// </summary>/// <param name="shrinkStr"></param>/// <returns></returns>private static string restore(string shrinkStr){char C = ' ';StringBuilder builder = new StringBuilder();string numStr = "";foreach (char c in shrinkStr){if ('a' <= c && c <= 'z'){if (!numStr.Equals("")){int n = Int32.Parse(numStr);while (n-- > 1) builder.Append(C.ToString());numStr = "";}builder.Append(c.ToString());C = c;}else if ('0' <= c && c <= '9'){numStr += c.ToString();}}if ('a' <= C && C <= 'z'){if (!numStr.Equals("")){int n = Int32.Parse(numStr);while (n-- > 1) builder.Append(C.ToString());numStr = "";}}return builder.ToString();}#endregion}
}

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