#include<opencv2/opencv.hpp>#include<iostream>
using namespace cv;
using namespace std;intmain(int argc,char** argv){
Mat src =imread("F:/opencv_learn/Basics/test/testopencv/test.jpg");if(src.empty()){printf("no img");}namedWindow("test", CV_WINDOW_AUTOSIZE);imshow("test", src);waitKey(0);return0;}