环境: win10 + python3.6 + VS2017(社区版)
[step1]
https://github.com/cocodataset/cocoapi 下载COCO源码
[step2]
编辑 cocoapi-master\PythonAPI 下的setup.py文件
把extra_compile_args=['-Wno-cpp', '-Wno-unused-function', '-std=c99']改为extra_compile_args=['-std=c99']
[step3]
在cocoapi-master\PythonAPI下启动命令行,运行python .\setup.py install