TA的每日心情 | 开心
2021-3-12 23:18 |
|---|
签到天数: 2 天 [LV.1]初来乍到
|
|
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
/**
* <p>Title: 在swing中使用HTML语言</p>
* <p>Description: 演示使用html语言在swing面板上构造
* 显示信息</p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Filename: HtmlDemo.java</p>
* @version 1.0
*/
class HtmlDemo extends JPanel
implements ActionListener {
JLabel theLabel;
JTextArea htmlTextArea;
/**
*<br>方法说明：构造器，描述窗体中的成员
*<br>输入参数：
*<br>返回类型：
*/ public HtmlDemo() {
setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS)); String initialText = "<html>
" +
"颜色和字体测试:
" +
"<ul>
" +
"<li><font color=red>red</font>
" +
"<li><font color=blue>blue</font>
" +
"<li><font color=green>green</font>
" +
"<li><font size=-2>small</font>
" +
"<li><font size=+2>large</font>
" +
"<li><i>italic</i>
" +
"<li><b>bold</b>
" +
"</ul>
";
//定义一个文本框
htmlTextArea = new JTextArea(10, 20);
htmlTextArea.setText(initialText);
JScrollPane scrollPane = new JScrollPane(htmlTextArea);
//定义按钮
JButton changeTheLabel = new JButton("改变显示");
changeTheLabel.setMnemonic(KeyEvent.VK_C);
changeTheLabel.setAlignmentX(Component.CENTER_ALIGNMENT);
changeTheLabel.addActionListener(this);
//定义标签
theLabel = new JLabel(initialText) {
public Dimension getPreferredSize() {
return new Dimension(200, 200);
}
public Dimension getMinimumSize() {
return new Dimension(200, 200);
}
public Dimension getMaximumSize() {
return new Dimension(200, 200);
}
};
//设置标签的对齐方式
theLabel.setVerticalAlignment(SwingConstants.CENTER);
theLabel.setHorizontalAlignment(SwingConstants.CENTER);
//构造一个带边框的左边的编辑面板
JPanel leftPanel = new JPanel();
leftPanel.setLayout(new BoxLayout(leftPanel, BoxLayout.PAGE_AXIS));
leftPanel.setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createTitledBorder(
"编辑HTML，点击按钮显示结果。"),
BorderFactory.createEmptyBorder(10,10,10,10)));
leftPanel.add(scrollPane);
leftPanel.add(Box.createRigidArea(new Dimension(0,10)));
leftPanel.add(changeTheLabel);
//构造一个带边框的右边显示的面板
JPanel rightPanel = new JPanel();
rightPanel.setLayout(new BoxLayout(rightPanel, BoxLayout.PAGE_AXIS));
rightPanel.setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createTitledBorder("这里使用标签显示HTML结果"),
BorderFactory.createEmptyBorder(10,10,10,10)));
rightPanel.add(theLabel);
setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
add(leftPanel);
add(Box.createRigidArea(new Dimension(10,0)));
add(rightPanel);
}
/**
*<br>方法说明：事件监听，当用户点击按钮触发
*<br>输入参数：
*<br>返回类型：
*/
public void actionPerformed(ActionEvent e) {
theLabel.setText(htmlTextArea.getText());
}
/**
*<br>方法说明：主方法
*<br>输入参数：
*<br>返回类型：
*/
public static void main(String[] args) { JFrame.setDefaultLookAndFeelDecorated(true); //创建窗体
JFrame frame = new JFrame("HtmlDemo");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //创建面板
JComponent newContentPane = new HtmlDemo();
newContentPane.setOpaque(true);
frame.setContentPane(newContentPane); //显示窗体
frame.pack();
frame.setVisible(true);
}
} 程序运行图:
源码下载：http://file.javaxxz.com/2014/11/6/235615734.zip |
|
|手机版|Java学习者论坛
( 声明：本站资料整理自互联网，用于Java学习者交流学习使用，对资料版权不负任何法律责任，若有侵权请及时联系客服屏蔽删除 )
发表于 2014-11-6 23:56:16