private static void testDbConnection(DBAccess _instance) { DataBaseAccess dba = _instance.CreateInstance(); try { dba.ExecuteScalar("SELECT 1"); } catch (Exception exc) { throw new Exception("[" + dba.DbType.ToString() + "]数据库连接失败,请检查连接信息是否有正确!"); } }
/// <summary> /// 初始化数据库 /// </summary> public static void Initialize(string connectionString,string dataTablePrefix) { if (String.IsNullOrEmpty(connectionString)) { throw new NullReferenceException("请检查系统是否被授权或使用CmsDataBase.Initialize初始化数据库连接"); } connectionString = connectionString.Replace("$ROOT", String.Intern(AppDomain.CurrentDomain.BaseDirectory)); DataBaseType dbType=DataBaseType.MySQL; DataBaseAccess db= DBAccessCreator.GetDbAccess(connectionString, ref dbType); _instance = new DBAccess(dbType, db.DataBaseAdapter.ConnectionString); _instance.TablePrefix = dataTablePrefix; //测试数据库连接 testDbConnection(_instance); }