函数原型:waitKey(int delay=0)
函数说明:The function waitKey waits for a key event infinitely (when delay ≤ 0 ) or for delay milliseconds, when it is positive.函数说明:The function waitKey
函数原型:waitKey(int delay=0)
函数说明:The function waitKey waits for a key event infinitely (when delay ≤ 0 ) or for delay milliseconds, when it is positive.函数说明:The function waitKey