在控制台中检测按键 [英] Detect a key press in console
本文介绍了在控制台中检测按键的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想在用户按下某个键时执行某个功能。这将在控制台中运行,代码使用Java。我该怎么做呢?我几乎没有关键按键/键盘的知识,所以我也可以使用一个解释。
I want to execute a certain function when a user presses a key. This will be run in the console, and the code is in Java. How do I do this? I have almost zero knowledge of key presses/keydowns, so I could really use an explanation as well.
推荐答案
如果你想玩控制台,你可以从这开始:
If you want to play with the console, you can start with this:
import java.util.Scanner;
public class ScannerTest {
public static void main(String[] args) {
Scanner keyboard = new Scanner(System.in);
boolean exit = false;
while (!exit) {
System.out.println("Enter command (quit to exit):");
String input = keyboard.nextLine();
if(input != null) {
System.out.println("Your input is : " + input);
if ("quit".equals(input)) {
System.out.println("Exit programm");
exit = true;
} else if ("x".equals(input)) {
//Do something
}
}
}
keyboard.close();
}
}
只需运行ScannerTest并输入任何文字,然后按
Simply run ScannerTest and type any text, followed by
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