//uses 子句一般这样写 uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs; //这样写更清晰,因为Delphi忽略换行 uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs; //如果不在系统可以识别的路径中需要这样写: uses Unitx in 'c:\temp\Unitx.pas'