使用cocoaPod pod 'OpenCV' 在使用到的地方 ViewController 改为c++编译模式(后缀变为.mm) 由于 OpenCV 和 UIKit 冲突,要把导入的头文件 放在 文件的最前面 include "opencv2/core.hpp" include "opencv2/imgproc.hpp" include "opencv2/imgcodecs.hpp" include "opencv2/highgui.hpp" include <opencv2/imgcodecs/ios.h> include <opencv2/imgproc/imgproc.hpp> import "ViewController.h"