找了好久也不知道KDevelop里面如何调试控制台程序，后来阅读Kdevelop上面的FAQ终于找到了答案～～～
Debugging a console application : How do I get the console to show so I can enter data?
In the Project Options dialog, go to the Debugger tab and check Enable separate terminal for application IO
～～～～就是一句话，简简单单，让我迷惑了很久～～～～