asp.net 压缩解压缩zip文件(5)

                    entry.DateTime = DateTime.Now; 
                    entry.Size = fs.Length; 
                    fs.Close(); 
                    crc.Reset(); 
                    crc.Update(buffer); 
                    entry.Crc = crc.Value; 
                    s.PutNextEntry(entry); 
                    s.Write(buffer, 0, buffer.Length); 
                } 
            } 
            catch 
            { 
                res = false; 
            } 
            finally 
            { 
                if (fs != null) 
                { 
                    fs.Close(); 
                    fs = null; 
                } 
                if (entry != null) 
                { 
                    entry = null; 
                } 
                GC.Collect();