/// <summary>
/// 单件模式返回SqlServerDB实例
/// </summary>
/// <param name="connectStr">链接字符串<remarks>确保sqlserver链接字符串中database=master</remarks></param>
/// <param name="databaseName">数据库名</param>
/// <param name="dBType">数据库类型</param>
/// <returns>SqlServerDB 实例</returns>
public static SqlServerDB GetInstance()
{
System.Threading.Monitor.Enter(lockObj);
if (instance == null)
instance = new SqlServerDB();
System.Threading.Monitor.Exit(lockObj);
return instance;
}
/// <summary>
/// 单件模式返回SqlServerDB实例
/// </summary>
/// <param name="connectStr">链接字符串<remarks>确保sqlserver链接字符串中database=master</remarks></param>
/// <param name="databaseName">数据库名</param>
/// <param name="dBType">数据库类型</param>
/// <returns>SqlServerDB 实例</returns>
public static SqlServerDB GetInstance()
{
System.Threading.Monitor.Enter(lockObj);
if (instance == null)
{
instance = new SqlServerDB();
}
System.Threading.Monitor.Exit(lockObj);
return(instance);
}