Python kbhit() 问题 [英] Python kbhit() problems

问题描述

我正在尝试编写一个非常简单的程序，该程序将等待 x 秒，然后检查是否按下了某个键，然后根据此结果将进入代码下方的不同循环.我有这个代码:

I'm trying to write a very simple program that will wait for x seconds before checking to see it a key has been pressed then, depending on this outcome will go into a different loop further down the code. I have this code:

import msvcrt
import time
import sys

time.sleep(1)
if msvcrt.kbhit():
    sys.stdout.write('y')
else:
    sys.stdout.write('n')

所以我在第一次启动时按任意键(使 kbhit ==true)但它总是落在第二个语句并打印n".有什么建议我做错了吗?

So I press any key when it first starts (making kbhit ==true) but it always just falls to the second statement and prints 'n'. Any suggestions what I'm doing wrong?

{使用 Python 2.7 和空闲}

{Using Python 2.7 and IDLE}

谢谢

推荐答案

msvcrt.kbhit() 函数只有在它所在的程序已经从 Windows 命令行(或如果当您双击其 .py 文件时为其输入和输出打开了控制台窗口).

The msvcrt.kbhit() function will only work if the program it is in has been run from the windows command line (or if a console window is opened for its input and output when you double click on its .py file).

如果您从 IDLE 运行或使用 pythonw.exe 解释器，程序将不会连接到控制台窗口和 console-IO 命令 来自 msvcrt 将不起作用.

If you run from IDLE or using the pythonw.exe interpreter, the program won't be connected to a console window and the console-IO commands from msvcrt won't work.

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