/// <summary>创建连接</summary>
/// <param name="dbtype">数据库类型</param>
/// <param name="connectionString">连接字符串</param>
/// <returns></returns>
public static DbConn CreateConn(DbType dbtype, string connectionString)
{
DbConn cn = null;
switch (dbtype)
{
case DbType.SQLSERVER:
cn = new DbConnSql();
break;
case DbType.ORACLE:
cn = new DbConnOracle();
break;
default:
throw new Exception("该数据库类型不适合使用CreateConn，请用new创建！");
}
cn.ConnString = connectionString;
return cn;
}
/// <summary>创建连接</summary>
/// <param name="dbtype">数据库类型</param>
/// <param name="ACn">已有的连接</param>
/// <returns></returns>
public static DbConn CreateConn(DbType dbtype, DbConnection ACn)
{
DbConn cn = null;
switch (dbtype)
{
case DbType.SQLSERVER:
cn = new DbConnSql();
break;
case DbType.ORACLE:
cn = new DbConnOracle();
break;
default:
throw new Exception("该数据库类型不适合使用CreateConn，请用new创建！");
}
cn._conn = ACn;
return(cn);
}