ECHO. goto next4 :next4 ECHO. ECHO. ------------------------------------------------------------------------- ECHo 防止人侵和攻击. 如果要退出请按Ctrl+C ECHO YES=next set NO=this set ignore (this time 30 Second default for y) ECHO. ------------------------------------------------------------------------- CHOICE /T 30 /C yn /D y if errorlevel 2 goto next5 if errorlevel 1 goto next41