hq624517491

1.@echo %random%
  @pause

2.@echo off
  @echo ========请输入=========
  @set /p a=

3.@set /a a=%random%
  @if %a% gtr 10000 echo %a%大于10000
  @if not %a% gtr 10000 echo %a%小于10000
  @pause

4.
@echo off
@echo ======请输入密码=========
:1
@set /p b=
@set a= admin
if %a%==%b% echo 你输入为admin,密码正确 & goto 2
if not %a%==%b% echo 你输入不正确,请重新输入 & goto 1

:2
@ping 127.0.0.1 -n 3 > nul
exit

pause