示例#1
0
        private void btExportMemoryZip_Click(object sender, EventArgs e)
        {
            try
            {
                SaveFileDialog f = new SaveFileDialog();
                f.Filter = "Zip|*.zip";
                f.FileName = "ZipTest " + DateTime.Now.ToString("yyyyMMdd HHmmss") + ".zip";
                if (f.ShowDialog() != System.Windows.Forms.DialogResult.OK)
                {
                    return;
                }

                string zipFilePath = f.FileName;
                string zipFileName = "SqlDump.sql";

                using (MemoryStream ms = new MemoryStream())
                {
                    using (TextWriter tw = new StreamWriter(ms, new UTF8Encoding(false)))
                    {
                        using (MySqlConnection conn = new MySqlConnection(Program.ConnectionString))
                        {
                            using (MySqlCommand cmd = new MySqlCommand())
                            {
                                using (MySqlBackup mb = new MySqlBackup(cmd))
                                {
                                    cmd.Connection = conn;
                                    conn.Open();

                                    mb.ExportToTextWriter(tw);
                                    conn.Close();

                                    using (ZipStorer zip = ZipStorer.Create(zipFilePath, "MySQL Dump"))
                                    {
                                        ms.Position = 0;
                                        zip.AddStream(ZipStorer.Compression.Deflate, zipFileName, ms, DateTime.Now, "MySQL Dump");
                                    }
                                }
                            }
                        }
                    }
                }

                MessageBox.Show("Done.");
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
            }
        }