& ltbody style = " overflow-x:hidden；溢出-y:隱藏；text-align:center " >
& ltbody left margin = 0 top margin = 0 on context menu = ' return false ' ondragstart = ' return false ' on selection start = ' return false ' on select = ' document . selection . empty()' oncopy = ' document . selection . empty()' onbeforecopy = ' return false ' onmouseup = ' document . selection . empty()' & gt；
& ltbody oncontext menu = " event . return value = false " & gt；
& lt/body & gt；