asp.net 压缩解压缩zip文件(12)

                    streamWriter.Close(); 
                    streamWriter = null; 
                } 
                if (theEntry != null) 
                { 
                    theEntry = null; 
                } 
                if (s != null) 
                { 
                    s.Close(); 
                    s = null; 
                } 
                GC.Collect(); 
                GC.Collect(1); 
            } 
        } 
    } 
 
    public class ZipHelper 
    { 
        #region 私有变量 
        String the_rar; 
        RegistryKey the_Reg; 
        Object the_Obj; 
        String the_Info; 
        ProcessStartInfo the_StartInfo; 
        Process the_Process; 
        #endregion 
 
        /// <summary> 
        /// 压缩 
        /// </summary> 
        /// <param name="zipname">要解压的文件名</param> 
        /// <param name="zippath">要压缩的文件目录</param> 
        /// <param name="dirpath">初始目录</param>