os

osController

myDisk

- track: int- section: int

+getReadingTime(int physicalAddress):double + getCurTrack():int+getCurSection():int

osData

+class PCB+class Request+class Status+class Statistic

cfgManager

+ cfgManager()：+loadParameter()：void

mainWindow

-loaded:bool -initialized:bool

-on_btn_loadPara_clicked(): void -on_btn_initialize_clicked(): void -on_btn_processOne_clicked(): void -on_btn_processMany_clicked():void -on_btn_showStatistics_clicked():void