代码：//stdafx.h:includefileforstandardsystemincludefiles,//orprojectspecificincludefilesthatareusedfrequently,but//arechangedinfrequently//#if!defined(AFX_STDAFX_H__C4B5DA9B_21EA_47D6_9253_A4245E58FBF5__INCLUDED_)#defineAFX_STDAFX_H__C4B5DA9B_21EA_47D6_9253_A4245E58FBF5__INCLUDED_#if_MSC_VER>