利用powershell随便写的一些垃圾,小工具而已(。
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 | @echo offmode con lines=30 cols=60
 %1 mshta vbscript:CreateObject("Shell.Application").ShellExecute("cmd.exe","/c %~s0 ::","","runas",1)(window.close)&&exit
 cd /d "%~dp0"
 :main
 cls
 echo.Choose the number:
 echo.
 echo. 1.change hosts (1)
 echo.
 echo. 2.reset hosts (2)
 echo.-----------------------------------------------------------
 
 set /p choice=Input number and press enter:
 
 echo.
 if %choice%==1 goto host DNS
 if %choice%==2 goto CL
 cls
 "set choice="
 echo input error!
 ping 127.0.1 -n "2">nul
 goto main
 
 
 :host DNS
 cls
 copy /y "hosts" "%SystemRoot%\System32\drivers\etc\hosts"
 ipconfig /flushdns
 cls
 echo.               done
 echo.
 goto end
 
 :CL
 cls
 @echo 127.0.0.1 localhost > %SystemRoot%\System32\drivers\etc\hosts
 ipconfig /flushdns
 cls
 echo                done
 echo.
 goto end
 
 :end
 echo Press any key to exit.
 @Pause>nul
 
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