java的Swing点击Button左键,右键,双击

女爷i 2022-04-10 09:58 287阅读 0赞

import java.awt.Color;
    import java.awt.Container;
    import java.awt.FlowLayout;
    import java.awt.TextArea;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
    import java.awt.event.MouseAdapter;
    import java.awt.event.MouseEvent;
    
    import javax.swing.JButton;
    import javax.swing.JDialog;
    import javax.swing.JFrame;
    import javax.swing.JLabel;
    import javax.swing.JTextArea;
    public class Frame extends JFrame {
        private JButton b[];
        private JTextArea text;
        // 构造方法
        public Frame(String s) {
           // 设置标题栏内容
             setTitle(s);
           // 设置初始化窗口位置
             setBounds(100, 100, 500, 350);
             text=new JTextArea(1,8);
             text.setText("");
             add(text);
           // 设置窗口布局
             setLayout(new FlowLayout());
            // 创建按钮对象
             b=new JButton[4];
             FlowLayout flow=new FlowLayout();
             flow.setAlignment(FlowLayout.LEFT);
             flow.setHgap(2);
             flow.setVgap(8);
             setLayout(flow);
             b[1]=new JButton("button");
             add(b[1]);
             b[1].addMouseListener(new EventListener1());
    //         b[2]=new JButton("button2");
    //         b[3]=new JButton("button3");
    //       for(int i=1;i<b.length;i++){
           b[i]=new JButton(""+i);
    //       // 把按钮容器添加到JFrame容器上
    //       add(b[i]);
    //    }    
    //       for(int i=1;i<=3;i++){
    //      	 b[i].addMouseListener(new EventListener1());
    //        }
             validate();
            // 设置窗口可视化
            setVisible(true);
            // 设置窗口关闭
            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        }
    class EventListener1 extends MouseAdapter
    {
    	public void mouseClicked(MouseEvent e)
    	{	String outStr ="";
    	if(e.getButton() == e.BUTTON1)
    	{
    	outStr = "左键";
    	}
    	else if(e.getButton() == e.BUTTON3)
    	{
    	outStr = "右键";
    	}
    	if(e.getClickCount() == 2)
    	{
    	outStr = outStr + "双击";
    	}
    	else
    	{
    	outStr = outStr + "点击";
    	}
    	System.out.println(outStr);
    	}	
    }
    public static void main(String[] args) {
            new Frame("验证");
        }
    }