@Echo Off
setlocal enabledelayedexpansion
title QQ临时对话!
:start
cls
set numb=
set numa=
echo.
ECHO ╭──§──────────§──╮
ECHO │ § QQ临时对话 § │
ECHO │ §──────────§ │
ECHO │ A. 输入姓名或学号 │
ECHO │ B. 直接输入QQ号 │
ECHO │ C. 退出 │
ECHO │ │
ECHO ╰────────────────╯
echo.
SET Choice=
SET /P Choice=操作(A/B/C):
ECHO.
IF NOT '%Choice%'=='' SET Choice=%Choice:~0,1%
IF /I '%Choice%'=='A' GOTO A
IF /I '%Choice%'=='B' GOTO B
IF /I '%Choice%'=='C' GOTO C
GOTO Start
:B
Set /p numb=对方QQ号码:
IF /I '%numb%'=='' GOTO start
start tencent://Message/?Uin=%numb%
cls
GOTO Start
:a
Set /p numa=输入姓名或学号:
IF /I '%numa%'=='' GOTO start