private static DalBase CreateDalBase(string connNameOrString)
{
//ABCConn
DalBase db = GetDalBaseBy(ConnObject.Create(connNameOrString));
if (!string.IsNullOrEmpty(connNameOrString) && db.ConnObj.Master.ConnName.ToLower() != connNameOrString.ToLower() && connNameOrString.EndsWith("Conn"))//需要切换配置。
{
//Conn A库
//BConn xxx 找不到时，找默认库。
DBResetResult result = db.ChangeDatabase(connNameOrString.Substring(0, connNameOrString.Length - 4));
if (result == DBResetResult.Yes) // 写入缓存
{
db.ConnObj.SaveToCache(connNameOrString);
}
}
return(db);
}
//private const string SqlClient = "System.Data.SqlClient";
//private const string OleDb = "System.Data.OleDb";
//private const string OracleClient = "System.Data.OracleClient";
//private const string SQLiteClient = "System.Data.SQLite";
//private const string MySqlClient = "MySql.Data.MySqlClient";
//private const string SybaseClient = "Sybase.Data.AseClient";
//private const string PostgreClient = "System.Data.NpgSqlClient";
//private const string TxtClient = "CYQ.Data.TxtClient";
//private const string XmlClient = "CYQ.Data.XmlClient";
//private const string XHtmlClient = "CYQ.Data.XHtmlClient";
/// <summary>
/// ¼òµ¥¹¤³§£¨Factory Method£©
/// </summary>
public static DalBase CreateDal(string connNameOrString)
{
//ABCConn
DalBase db = GetDalBaseBy(ConnObject.Create(connNameOrString));
if (db.ConnObj.Master.ConnName != connNameOrString && connNameOrString.EndsWith("Conn"))//ÐèÒªÇл»ÅäÖá£
{
//Conn A¿â
//BConn xxx ÕÒ²»µ½Ê±£¬ÕÒĬÈÏ¿â¡£
DBResetResult result = db.ChangeDatabase(connNameOrString.Substring(0, connNameOrString.Length - 4));
if (result == DBResetResult.Yes) // дÈ뻺´æ
{
db.ConnObj.SaveToCache(connNameOrString);
}
}
return(db);
}