var exePath = @"C:\Program Files\7-Zip\7z.exe";
            var path = @"I:\work\MusicCatcher2\WindowsFormsApplication1\bin\Debug\";
            var fileName = @"1.zip";
            var cmd = "x \"" + path + fileName + "\" -y -aos -o\"" + path+"temp\\\"";//目的文件夹
            Process process = new Process
            {
                StartInfo = {FileName = exePath, Arguments = cmd, WindowStyle = ProcessWindowStyle.Hidden}
            };
            process.Start();
            process.WaitForExit();
            process.Close();