firstfactory.java

来自「程序设计模式java入门源码大全」· Java 代码 · 共 23 行

public class FirstFactory 
{
  String type;

  public FirstFactory(String t)
  {
    type = t;
  }

  public Connection createConnection()
  {
    if (type.equals("Oracle")){
      return new OracleConnection();
    }
    else if (type.equals("SQL Server")){
      return new SqlServerConnection();
    }
    else {
      return new MySqlConnection();
    }
  }
}