visual studio 2013错误：error MSB8020

将vs2012的项目用vs2013编辑器打开会出现如下错误提示：

错误    1    error MSB8020: The build tools for Visual Studio 2012 (Platform Toolset = 'v110') cannot be found. To build using the v110 build tools, please install Visual Studio 2012 build tools.  Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Upgrade Solution...".    C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V120\Microsoft.Cpp.Platform.targets    64    5    MFCApplication1

解决方式：

右击项目-->属性-->常规-->平台工具集

修改为如下即可：