importjavax.microedition.midlet.*;importjavax.microedition.lcdui.*;publicclassGIFMIDletextendsMIDletimplementsCommandListener{privateDisplaydisplay;privateCommandexitCommand;//退出程序按钮privateCommandplayCommand;//启动播放按钮privateFormmyform;//主界面表单privateTextFieldtext;//接收用户对间隔时间的设置值privat