SET/P vcvarsall_dir="Please input the path of visual studio command Prompt, such as C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat =======>"
settmp_var=!vcvarsall_dir!
call:remove_space
setvcvarsall_dir=!tmp_var!
IFNOTEXIST"%vcvarsall_dir%"(
echo"------------%vcvarsall_dir% not exist------------"