关于visual studio和vc版本之间的对应关系
VC7: Visual studio.net
VC7.1: Visual studio 2003
VC8: Visual studio 2005
VC9: Visual studio 2008
VC10: Visual studio 2010
VC11: Visual studio 2012
VC12: Visual studio 2013
VC14: Visual studio 2015
VC14.1: Visual studio 2017