GUI 文本框、复选框、单选框、下拉列表

版权声明：本文为博主原创文章，转载请注明出处。 https://blog.csdn.net/chu_jian86a/article/details/79269199

ComponentInWindow.java文件：

import java.awt.*;

import javax.swing.*;


public class ComponentInWindow extends JFrame {
	JTextField text;
	JButton button;
	JCheckBox checkBox1,checkBox2,checkBox3;
	JRadioButton radio1,radio2;
	ButtonGroup group;
	JComboBox comBox;
	JTextArea area;
	public ComponentInWindow(){
		init();
		setVisible(true);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
	void init() {
		// TODO Auto-generated method stub
		setLayout(new FlowLayout());
		JLabel label = new JLabel("文本框：");
		add(label);
		text = new JTextField(10);
		add(text);
		button = new JButton("确定");
		add(button);
		checkBox1 = new JCheckBox("喜欢音乐");//复选框
		checkBox2 = new JCheckBox("喜欢旅游");
		checkBox3 = new JCheckBox("喜欢篮球");
		add(checkBox1);
		add(checkBox2);
		add(checkBox3);
		group = new ButtonGroup();
		radio1 = new JRadioButton("帅哥");//单选按钮
		radio2 = new JRadioButton("美女");
		group.add(radio1);
		group.add(radio2);
		add(radio1);
		add(radio2);
		comBox = new JComboBox();//下拉列表
		comBox.addItem("音乐天地");
		comBox.addItem("武术海洋");
		comBox.addItem("象棋乐园");
		add(comBox);
		area = new JTextArea(6,12);
		add(new JScrollPane(area));
	}
	
}

Example3.java文件：

public class Example3 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		ComponentInWindow win = new ComponentInWindow();
		win.setBounds(100,100,300,260);
		win.setTitle("常用组件");
	}

}

效果图：