法一：调用winrar
using Microsoft.Win32;
using System.Diagnostics;
protected void Button1_Click(object sender, EventArgs e)
{
RAR(@"E:\95413594531\GIS", "tmptest", @"E:\95413594531\");
}
/// <summary>
/// 压缩文件
/// </summary>
/// <param name="DFilePath">需要压缩的文件夹或者单个文件</param>
/// <param name="DRARName">生成压缩文件的文件名</param>
/// <param name="DRARPath">生成压缩文件保存路径</param>
/// <returns></returns>
protected bool RAR(string DFilePath, string DRARName,string DRARPath)
{
String the_rar;
RegistryKey the_Reg;
Object the_Obj;
String the_Info;
ProcessStartInfo the_StartInfo;
Process the_Process;
try
{
the_Reg = Registry.ClassesRoot.OpenSubKey(@"Applications\WinRAR.exe\Shell\Open\Command");
the_Obj = the_Reg.GetValue("");
the_rar = the_Obj.ToString();
the_Reg.Close();
the_rar = the_rar.Substring(1, the_rar.Length - 7);
the_Info = " a " + " " + DRARName + " " + DFilePath +" -ep1"; //命令 +
