pip 尝试从源代码构建包.因此，您将需要库和 VS2008 编译器的开发头文件，所有这些设置起来都相当痛苦.

pip tries to build packages from source. So you'll need development headers for libraries and VS2008 compiler, all of which is rather painful to set up.

从这里下载失败包的预构建二进制文件更容易:http://www.lfd.uci.edu/~gohlke/pythonlibs/

It's easier to download prebuilt binaries for failed packages from here: http://www.lfd.uci.edu/~gohlke/pythonlibs/

然后重试安装scrapy.