一、hdc 1、设备 hdc帮助手册 >hdc-h OpenHarmonydeviceconnector(HDC)... ---------------------------------globalcommands:---------------------------------- -h/helpPrinthdchelp -v/versionPrinthdcversion -l0-5Setruntimeloglevel -tconnectkeyUsedevicewithgivenconnectkey checkservercheckclient-serverversion ch...