public DbOper() { conn=System.Configuration.ConfigurationSettings.AppSettings["constr"].ToString(); server=cut(conn,"server=",";"); uid=cut(conn,"uid=",";"); pwd=cut(conn,"pwd=",";"); database=cut(conn,"database=",";"); } public string cut(string str,string bg,string ed) { string sub; sub=str.Substring(str.IndexOf(bg)+bg.Length); sub=sub.Substring(0,sub.IndexOf(";")); return sub; } /// <summary> /// 数据库备份 /// </summary> public bool DbBackup(string url) { SQLDMO.Backup oBackup = new SQLDMO.BackupClass(); SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass(); try { oSQLServer.LoginSecure = false; oSQLServer.Connect(server,uid, pwd); oBackup.Action = SQLDMO.SQLDMO_BACKUP_TYPE.SQLDMOBackup_Database; oBackup.Database = database; oBackup.Files = url;//"d:/Northwind.bak"; oBackup.BackupSetName = database; oBackup.BackupSetDescription = "数据库备份"; oBackup.Initialize = true; oBackup.SQLBackup(oSQLServer); return true; } catch { return false; throw; } finally { oSQLServer.DisConnect(); } } /// <summary> /// 数据库恢复 /// </summary> public string DbRestore(string url) { if(exepro()!=true)//执行存储过程 { return "操作失败"; } else { SQLDMO.Restore oRestore = new SQLDMO.RestoreClass(); SQLDMO.SQLServer oSQLServer = new SQLDMO.SQLServerClass(); try { oSQLServer.LoginSecure = false; oSQLServer.Connect(server, uid, pwd); oRestore.Action = SQLDMO.SQLDMO_RESTORE_TYPE.SQLDMORestore_Database; oRestore.Database = database; oRestore.Files = url;//@"d:/Northwind.bak"; oRestore.FileNumber = 1; oRestore.ReplaceDatabase = true; oRestore.SQLRestore(oSQLServer); return "ok"; } catch(Exception e) { return "恢复数据库失败"; throw; } finally { oSQLServer.DisConnect(); } } } private bool exepro() { SqlConnection conn1 = new SqlConnection("server="+server+";uid="+uid+";pwd="+pwd+";database=master"); SqlCommand cmd = new SqlCommand("killspid",conn1); cmd.CommandType = CommandType.StoredProcedure; cmd.Parameters.Add("@dbname","port"); try { conn1.Open(); cmd.ExecuteNonQuery(); return true; } catch(Exception ex) { return false; } finally { conn1.Close(); } } } } |