@echo off rem
rem 注释
tastkill /f /im a.exe
cd %CD%
%CD:~0,1%:
cd %Cd%b
start %CD%a.exe
cd ..
cd %Cd%a
start %CD%b.exe
bat处理打开关门exe
原文：http://www.cnblogs.com/dayspring/p/5532417.html
