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",FwCtx.PhysicalPath);
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);
}