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opencv拍照 头文件 需下载opencv相关库和头文件，放在相应位置 #include <opencv2/hoghgui/hihgui.hpp> #include <opencv2/imgproc/imgproc.hpp> #include <opencv2/core/core.hpp> using namespace cv; class takephoto { public: void openCamera(); void takephoto(); public

QT TCP/IP post通讯 头文件 #include <QNetworkAccessManager> #include <QNetWorkRequest> #include <QnetWorkReply> QNetWorkAccessManager *m_pNetworkmanage; QNetWorkReply *m_Networkreply; 源文件 #include <QJsonDocument> #include <QJsonObject