由于刚开始接触XML时要么遇到编译错误,要么API太复杂，因此封装一个MS XML的类，接口见XMLMake.h和XMLParse.h文件，内附说明和Demo代码-Since the beginning of contact when either XML encountered compile errors or API too complicated and therefore a package of MS XML categor

利用QT的http模块，与face++ API进行通信，包括人脸上传、人脸对比、人脸识别(Using the HTTP module of QT to communicate with face++ API, including face upload, face contrast, face recognition)