//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>
/// <param name="dbConn"></param>
/// <returns></returns>
public static DbBase CreateDal(string connNameOrString)
{
//ABCConn
DbBase db = GetDbBaseBy(ConnObject.Create(connNameOrString));
if (db.connObject.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.connObject.SaveToCache(connNameOrString);
}
}
return(db);
}
/// <summary>
/// 简单工厂（Factory Method）
/// </summary>
/// <param name="dbConn"></param>
/// <returns></returns>
public static DbBase CreateDal(string dbConn)
{
DbBase db = GetDbBaseBy(GetConnObject(dbConn));
if (db.connObject.Master.ConfigName != dbConn && dbConn.EndsWith("Conn"))//需要切换配置。
{
DbResetResult result = db.ChangeDatabase(dbConn.Substring(0, dbConn.Length - 4));
if (result == DbResetResult.Yes) // 写入缓存
{
if (!connDicCache.ContainsKey(dbConn))
{
connDicCache.Set(dbConn, db.connObject);
}
}
}
return(db);
//ConnEntity cEntity = GetConnString(dbConn);
//DbBase db = GetDbBaseBy(cEntity.Conn, cEntity.ProviderName);
//db.connObject = cEntity;
//return db;
}