尝试将1个动作监听器用于多个按钮

时间:2019-03-26 17:49:31

标签: java grid jbutton actionlistener

因此,我尝试编写危险游戏,但要注意的是,我仅尝试将按钮分配给1个动作侦听器,以便所有按钮都可以独立运行,但可以从1个动作侦听器工作。

我尝试了很多,没有任何效果!     打包jep;

import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;

import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;

public class jep implements ActionListener{


   public  JButton[][] t = new JButton[6][6];

public static void main(String[] args) {
    new jep();
    }
static int n = 100;

public jep() {


    JFrame frame = new JFrame("Jeopardy");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);   
    frame.setSize(1920,1080);
    frame.setLayout(new GridLayout(6, 5));
    frame.setVisible(true);
    for (int r = 0; r < 6; r++) {
        for (int c = 0; c < 5; c++) {
            String vakue = String.valueOf(n);
            t[r][c] = new JButton(vakue);
            t[r][c].setBackground(Color.BLUE);
            t[r][c].setForeground(Color.YELLOW);
            t[r][c].addActionListener(this);
            frame.add(t[r][c]);
        }
        n = n +300;
    }

@Override
public void actionPerformed(ActionEvent arg0) {
    // TODO Auto-generated method stub

}

我正在尝试获取它,以便我可以仅使用1个动作侦听器单击多个按钮,但我只能获得一个网格

2 个答案:

答案 0 :(得分:0)

您可以使用AbstractButton(JButton的超类).setActionCommand,然后在侦听器中使用action命令确定行和列

您应该使用JTable,而不是创建6 x 6的JButton数组,而是设置呈现器以将单元格值呈现为按钮(或其他方式),并按照此处的建议在表模型中添加listSelectionListener来获取行和点击时的列值。如这里的建议:Get position of Click JTable while using Cell renderer

学习JTable以及如何使用渲染等可能需要一些时间。但是我认为对于这个问题,您无论如何都处于学习环境中,这不是为企业而做的事情吗?因此,我建议您花时间学习JTable。我向您保证,您最终将对最终产品更加满意。

答案 1 :(得分:0)

这里是更正后的代码,按下按钮即可打印到控制台。请检查代码中的注释:

<div class="container">
  <div class="myBox headerTitle">
    <h1> HELLO THERE </h1>
  </div>

  <div class="myBox bottomLeft">
    <h2> Title </h2>
    <p> Some shit </p>
  </div>
  <div class="myBox bottomLeft">
    <h2> Title </h2>
    <p> Some shit </p>
  </div>
    <div class="myBox bottomRight">
      <h2> Title </h2>
      <p> Some shit </p>
    </div>
    <div class="myBox bottomRight">
      <h2> Title </h2>
      <p> Some shit </p>
  </div>
</div>

输出(当您按下多个按钮时):

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class Jep implements ActionListener { // class name has to start with a capital letter

    int i = 6;
    int j = 5;

    public JButton[][] t = new JButton[i][j];

    public static void main(String[] args) {
        new Jep();
    }

    static int n = 100;

    public Jep() {
        JFrame frame = new JFrame("Jeopardy");

        JPanel[][] panelHolder = new JPanel[i][j]; // use panels to add you buttons, check this for details:
        // https://stackoverflow.com/questions/2510159/can-i-add-a-component-to-a-specific-grid-cell-when-a-gridlayout-is-used

        frame.setLayout(new GridLayout(i, j));
        frame.setVisible(true);

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(1920, 1080);


        frame.setVisible(true);
        for (int r = 0; r < 6; r++) {
            for (int c = 0; c < 5; c++) {
                String vakue = String.valueOf(n);
                t[r][c] = new JButton(vakue);
                t[r][c].setBackground(Color.BLUE);
                t[r][c].setForeground(Color.BLACK);
                t[r][c].addActionListener(this);

                panelHolder[r][c] = new JPanel();

                panelHolder[r][c].add(t[r][c]);

                frame.add(panelHolder[r][c]);

                n = n + 300;
            }
        }
    }

    @Override
    public void actionPerformed(ActionEvent arg0) {
        System.out.println("press, value = " + arg0.getActionCommand()); // here is a simple system out log statement
    }
}

应用程序Winodow: enter image description here

希望这会有所帮助。

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