public static AccessUtil SingleSqlDBUtil()
{
if (accessUtil == null)
{
accessUtil = new AccessUtil();
return(accessUtil);
}
else
{
return(accessUtil);
}
}
/// <summary>
/// 构造函数注入。单例模式。
/// </summary>
/// <param name="dbType"></param>
private DBFactory(DBType dbType)
{
switch (dbType)
{
case DBType.sql:
dBUtil = SqlDBUtil.SingleSqlDBUtil();
break;
case DBType.access:
dBUtil = AccessUtil.SingleSqlDBUtil();
break;
default:
dBUtil = SqlDBUtil.SingleSqlDBUtil();
break;
}
}