1,新建一个空项目,定义头文件,源文件,
//CameraDLLl.h
extern "C" __declspec(dllexport) bool IAInitCamera(char cameraIp[]);
extern "C" __declspec(dllexport) bool IASetCameraReady(char saveImagePath[], int timeOut);
extern "C" __declspec(dllexport) bool IAGetCaptureStatus();
extern "C" __declspec(dllexport