util/image.go
@@ -26,7 +26,8 @@ //jpeg.Encode(f, subImg, nil) //写入文件 img,_ := gocv.NewMatFromBytes(int(y1-y0),int(x1-x0),gocv.MatTypeCV8UC3,dbyte) region := img.Region(image.Rectangle{image.Point{x0,y0},image.Point{x1,y1}}) rect := image.Rect(x0,y0,x1,y1) region := img.Region(rect) bytes, _ := gocv.IMEncode(".jpg", region) return bytes } }